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| year | name | value | lastValue | |
|---|---|---|---|---|
| 1975 | Imperial Oil Resources Limited | 61 | ||
| 1975 | BP Canada Energy Company | 49 | ||
| 1975 | Imperial Oil Resources | 42 | ||
| 1975 | Petro-Canada | 30 | ||
| 1975 | Gulf Canada Limited | 21 | ||
| 1975 | Pembina Resources Limited | 12 | ||
| 1975 | Chevron Canada Limited | 11 | ||
| 1975 | Dome Petroleum Ltd. | 9 | ||
| 1975 | ExxonMobil Canada Energy | 9 | ||
| 1975 | Pembina Pipeline Corporation | 8 | ||
| 1975 | 652181 Alberta Ltd. | 7 | ||
| 1975 | Hudson's Bay O & G | 7 | ||
| 1975 | Renaissance Energy Ltd. | 7 | ||
| 1975 | Shell Canada Resources Ltd. | 7 | ||
| 1975 | ConocoPhillips Canada (BRC) Ltd. | 6 | ||
| 1975 | Crestar Energy Inc. | 6 | ||
| 1975 | ExxonMobil Canada Ltd. | 6 | ||
| 1975 | Federated Pipe Lines Ltd. | 5 | ||
| 1975 | Husky Oil Operations Limited | 5 | ||
| 1975 | Pacific Petroleums Ltd. | 5 | ||
| 1975 | Redwater Water Disposal Company Limited | 5 | ||
| 1975 | 177293 Canada Ltd. | 4 | ||
| 1975 | Anadarko Canada Corporation | 4 | ||
| 1975 | Dorset Exploration Ltd. | 4 | ||
| 1975 | Francana Oil & Gas Ltd. | 4 | ||
| 1975 | Home Oil Company Limited | 4 | ||
| 1975 | Suncor Energy Inc. | 4 | ||
| 1975 | Enerplus Resources Corporation | 3 | ||
| 1975 | NS Industries Canada Limited | 3 | ||
| 1975 | Omv (canada) Ltd. | 3 | ||
| 1975 | Repsol Oil & Gas Canada Inc. | 3 | ||
| 1975 | Shell Canada Limited | 3 | ||
| 1975 | Texas International Petroleum of Canada Ltd | 3 | ||
| 1975 | Western Decalta Pete(1977)ltd | 3 | ||
| 1975 | Bow River Pipe Lines Ltd | 2 | ||
| 1975 | Encana Corporation | 2 | ||
| 1975 | Encor Energy Corporation Inc. | 2 | ||
| 1975 | Great Plains Development Company Of Canada Ltd. | 2 | ||
| 1975 | Gulf Alberta Pipe Line Company Limited | 2 | ||
| 1975 | Imperial Oil Resources Ventures Limited | 2 | ||
| 1975 | Vintage Resource Corp. | 2 | ||
| 1975 | 625894 Alberta Inc. | 1 | ||
| 1975 | Bhp Petroleum (canada) Inc. | 1 | ||
| 1975 | Big Valley Energy Corporation | 1 | ||
| 1975 | Calibre Energy Inc. | 1 | ||
| 1975 | Canterra Energy Ltd. | 1 | ||
| 1975 | Chevron Canada Properties Limited | 1 | ||
| 1975 | Cox, Edwin Lochridge | 1 | ||
| 1975 | Gulf Canada Resources Limited | 1 | ||
| 1975 | Keles Production Company Ltd. | 1 | ||
| 1975 | Koch Exploration Canada, Ltd. | 1 | ||
| 1975 | Koch Pipelines Ltd | 1 | ||
| 1975 | McColl-Frontenac Petroleum ULC | 1 | ||
| 1975 | Mitchell & Associates Ltd. | 1 | ||
| 1975 | Murphy Oil Company Ltd. | 1 | ||
| 1975 | Musketeer Energy Limited | 1 | ||
| 1975 | Nexen Energy ULC | 1 | ||
| 1975 | Numac Oil & Gas | 1 | ||
| 1975 | Provident Resources Ltd. | 1 | ||
| 1975 | Rising Resources Ltd. | 1 | ||
| 1975 | Roxy-Clarion Petroleum Ltd. | 1 | ||
| 1975 | Star Oil & Gas Ltd. | 1 | ||
| 1975 | Tempo Resources Ltd | 1 | ||
| 1975 | The Marathon Oil Co. | 1 | ||
| 1976 | BP Canada Energy Company | 103 | 49.0 | |
| 1976 | Imperial Oil Resources Limited | 97 | 61.0 | |
| 1976 | Imperial Oil Resources | 83 | 42.0 | |
| 1976 | Petro-Canada | 57 | 30.0 | |
| 1976 | Gulf Canada Limited | 27 | 21.0 | |
| 1976 | ExxonMobil Canada Energy | 20 | 9.0 | |
| 1976 | Pembina Resources Limited | 20 | 12.0 | |
| 1976 | Chevron Canada Limited | 18 | 11.0 | |
| 1976 | Crestar Energy Inc. | 15 | 6.0 | |
| 1976 | Dome Petroleum Ltd. | 15 | 9.0 | |
| 1976 | Enerplus Resources Corporation | 14 | 3.0 | |
| 1976 | ExxonMobil Canada Ltd. | 14 | 6.0 | |
| 1976 | Renaissance Energy Ltd. | 14 | 7.0 | |
| 1976 | Federated Pipe Lines Ltd. | 12 | 5.0 | |
| 1976 | Home Oil Company Limited | 12 | 4.0 | |
| 1976 | Hudson's Bay O & G | 12 | 7.0 | |
| 1976 | Husky Oil Operations Limited | 11 | 5.0 | |
| 1976 | Suncor Energy Inc. | 11 | 4.0 | |
| 1976 | 652181 Alberta Ltd. | 10 | 7.0 | |
| 1976 | Pembina Pipeline Corporation | 10 | 8.0 | |
| 1976 | Redwater Water Disposal Company Limited | 10 | 5.0 | |
| 1976 | Big Valley Energy Corporation | 9 | 1.0 | |
| 1976 | 177293 Canada Ltd. | 8 | 4.0 | |
| 1976 | Anadarko Canada Corporation | 8 | 4.0 | |
| 1976 | McColl-Frontenac Petroleum ULC | 8 | 1.0 | |
| 1976 | ConocoPhillips Canada (BRC) Ltd. | 7 | 6.0 | |
| 1976 | Dorset Exploration Ltd. | 7 | 4.0 | |
| 1976 | Encana Corporation | 7 | 2.0 | |
| 1976 | Repsol Oil & Gas Canada Inc. | 6 | 3.0 | |
| 1976 | Rising Resources Ltd. | 6 | 1.0 | |
| 1976 | Western Decalta Pete(1977)ltd | 6 | 3.0 | |
| 1976 | 625894 Alberta Inc. | 5 | 1.0 | |
| 1976 | Shell Canada Limited | 5 | 3.0 | |
| 1976 | Bow River Pipe Lines Ltd | 4 | 2.0 | |
| 1976 | Calgary Crude Oil Limited | 4 | ||
| 1976 | Encor Energy Corporation Inc. | 4 | 2.0 | |
| 1976 | Great Plains Development Company Of Canada Ltd. | 4 | 2.0 | |
| 1976 | Omv (canada) Ltd. | 4 | 3.0 | |
| 1976 | Equis Energy Corp. | 3 | ||
| 1976 | Gulf Alberta Pipe Line Company Limited | 3 | 2.0 | |
| 1976 | Imperial Oil Resources Ventures Limited | 3 | 2.0 | |
| 1976 | Koch Pipelines Ltd | 3 | 1.0 | |
| 1976 | Murphy Oil Company Ltd. | 3 | 1.0 | |
| 1976 | Battle Creek Developments Ltd. | 2 | ||
| 1976 | Bhp Petroleum (canada) Inc. | 2 | 1.0 | |
| 1976 | Blake Resources Ltd. | 2 | ||
| 1976 | Calibre Energy Inc. | 2 | 1.0 | |
| 1976 | Canada Cities Service Pete Co | 2 | ||
| 1976 | Canterra Energy Ltd. | 2 | 1.0 | |
| 1976 | Comaplex Resources International Ltd. | 2 | ||
| 1976 | EOG Resources Canada Inc. | 2 | ||
| 1976 | Keles Production Company Ltd. | 2 | 1.0 | |
| 1976 | Lindstrom Resources Limited | 2 | ||
| 1976 | Nexen Energy ULC | 2 | 1.0 | |
| 1976 | Rainbow Pipe Line Company Ulc | 2 | ||
| 1976 | Vikor Resources Ltd. | 2 | ||
| 1976 | 18613 Alberta Ltd. | 1 | ||
| 1976 | Amax Petroleum Of Canada Inc. | 1 | ||
| 1976 | Bumper Development Corporation Ltd. | 1 | ||
| 1976 | Devon Canada Corporation | 1 | ||
| 1976 | Devon NEC Corporation | 1 | ||
| 1976 | ExxonMobil Resources Ltd. | 1 | ||
| 1976 | Gage Canadian Oil And Gas Corporation | 1 | ||
| 1976 | Inter-Provincial Gas Company (1964) Limited | 1 | ||
| 1976 | International Colin Energy Corporation | 1 | ||
| 1976 | International Reef Resources Ltd. | 1 | ||
| 1976 | Interprovincial Pipe Line Company | 1 | ||
| 1976 | J. M. Huber Corporation | 1 | ||
| 1976 | Petro-Canada Enterprises Inc. | 1 | ||
| 1976 | Proventures Ltd. | 1 | ||
| 1976 | Tenneco Oil & Minerals | 1 | ||
| 1976 | Ulster Petroleums Ltd. | 1 | ||
| 1976 | Universal Explorations Ltd. | 1 | ||
| 1976 | Valley Pipeline Company Limited | 1 | ||
| 1977 | BP Canada Energy Company | 152 | 103.0 | |
| 1977 | Imperial Oil Resources Limited | 146 | 97.0 | |
| 1977 | Imperial Oil Resources | 108 | 83.0 | |
| 1977 | Petro-Canada | 83 | 57.0 | |
| 1977 | 652181 Alberta Ltd. | 37 | 10.0 | |
| 1977 | Gulf Canada Limited | 37 | 27.0 | |
| 1977 | ExxonMobil Canada Energy | 33 | 20.0 | |
| 1977 | Home Oil Company Limited | 31 | 12.0 | |
| 1977 | Husky Oil Operations Limited | 30 | 11.0 | |
| 1977 | Enerplus Resources Corporation | 29 | 14.0 | |
| 1977 | Pembina Resources Limited | 27 | 20.0 | |
| 1977 | Dome Petroleum Ltd. | 26 | 15.0 | |
| 1977 | ExxonMobil Canada Ltd. | 23 | 14.0 | |
| 1977 | Chevron Canada Limited | 21 | 18.0 | |
| 1977 | Federated Pipe Lines Ltd. | 21 | 12.0 | |
| 1977 | Crestar Energy Inc. | 18 | 15.0 | |
| 1977 | Hudson's Bay O & G | 16 | 12.0 | |
| 1977 | Renaissance Energy Ltd. | 16 | 14.0 | |
| 1977 | Repsol Oil & Gas Canada Inc. | 15 | 6.0 | |
| 1977 | Suncor Energy Inc. | 14 | 11.0 | |
| 1977 | Big Valley Energy Corporation | 13 | 9.0 | |
| 1977 | 177293 Canada Ltd. | 12 | 8.0 | |
| 1977 | Encana Corporation | 12 | 7.0 | |
| 1977 | Pembina Pipeline Corporation | 12 | 10.0 | |
| 1977 | Redwater Water Disposal Company Limited | 12 | 10.0 | |
| 1977 | Anadarko Canada Corporation | 10 | 8.0 | |
| 1977 | McColl-Frontenac Petroleum ULC | 10 | 8.0 | |
| 1977 | Shell Canada Resources Ltd. | 10 | 7.0 | |
| 1977 | ConocoPhillips Canada (BRC) Ltd. | 9 | 7.0 | |
| 1977 | Dorset Exploration Ltd. | 8 | 7.0 | |
| 1977 | Shell Canada Limited | 8 | 5.0 | |
| 1977 | Bow River Pipe Lines Ltd | 7 | 4.0 | |
| 1977 | Great Plains Development Company Of Canada Ltd. | 7 | 4.0 | |
| 1977 | Koch Pipelines Ltd | 7 | 3.0 | |
| 1977 | Calgary Crude Oil Limited | 5 | 4.0 | |
| 1977 | Gulf Alberta Pipe Line Company Limited | 5 | 3.0 | |
| 1977 | Comaplex Resources International Ltd. | 4 | 2.0 | |
| 1977 | Murphy Oil Company Ltd. | 4 | 3.0 | |
| 1977 | Rainbow Pipe Line Company Ulc | 4 | 2.0 | |
| 1977 | Canterra Energy Ltd. | 3 | 2.0 | |
| 1977 | Devon NEC Corporation | 3 | 1.0 | |
| 1977 | EOG Resources Canada Inc. | 3 | 2.0 | |
| 1977 | Gulf Canada Resources Limited | 3 | 1.0 | |
| 1977 | Nexen Energy ULC | 3 | 2.0 | |
| 1977 | Ranchmen's Resources Ltd. | 3 | ||
| 1977 | Tenneco Oil & Minerals | 3 | 1.0 | |
| 1977 | Husky Oil Ltd. | 2 | ||
| 1977 | International Colin Energy Corporation | 2 | 1.0 | |
| 1977 | Interprovincial Pipe Line Company | 2 | 1.0 | |
| 1977 | J. M. Huber Corporation | 2 | 1.0 | |
| 1977 | Koch Exploration Canada, Ltd. | 2 | 1.0 | |
| 1977 | Legal Oil & Gas Ltd. | 2 | ||
| 1977 | Meekwap Pipe Line Ltd | 2 | ||
| 1977 | Numac Oil & Gas | 2 | 1.0 | |
| 1977 | Terasen Pipelines (Trans Mountain) Inc. | 2 | ||
| 1977 | Tumit Petroleums Ltd. | 2 | ||
| 1977 | Canadian Roxy Petroleum Ltd. | 1 | ||
| 1977 | Colenco Petroleum Ltd. | 1 | ||
| 1977 | ConocoPhillips Canada Resources Corp. | 1 | ||
| 1977 | Gascan Resources Ltd. | 1 | ||
| 1977 | Norwest Oil & Gas Corp. | 1 | ||
| 1977 | Nufield Operators Ltd | 1 | ||
| 1977 | Rocky Mountain Drilling Ltd | 1 | ||
| 1977 | White Resource Management Ltd. | 1 | ||
| 1978 | BP Canada Energy Company | 205 | 152.0 | |
| 1978 | Imperial Oil Resources Limited | 198 | 146.0 | |
| 1978 | Imperial Oil Resources | 118 | 108.0 | |
| 1978 | Petro-Canada | 99 | 83.0 | |
| 1978 | Home Oil Company Limited | 51 | 31.0 | |
| 1978 | 652181 Alberta Ltd. | 48 | 37.0 | |
| 1978 | ExxonMobil Canada Energy | 45 | 33.0 | |
| 1978 | Gulf Canada Limited | 43 | 37.0 | |
| 1978 | Dome Petroleum Ltd. | 38 | 26.0 | |
| 1978 | Husky Oil Operations Limited | 37 | 30.0 | |
| 1978 | Encana Corporation | 34 | 12.0 | |
| 1978 | Enerplus Resources Corporation | 33 | 29.0 | |
| 1978 | Pembina Resources Limited | 31 | 27.0 | |
| 1978 | ExxonMobil Canada Ltd. | 30 | 23.0 | |
| 1978 | Crestar Energy Inc. | 25 | 18.0 | |
| 1978 | Federated Pipe Lines Ltd. | 24 | 21.0 | |
| 1978 | Chevron Canada Limited | 23 | 21.0 | |
| 1978 | Hudson's Bay O & G | 22 | 16.0 | |
| 1978 | Redwater Water Disposal Company Limited | 21 | 12.0 | |
| 1978 | Repsol Oil & Gas Canada Inc. | 21 | 15.0 | |
| 1978 | Shell Canada Limited | 19 | 8.0 | |
| 1978 | Renaissance Energy Ltd. | 17 | 16.0 | |
| 1978 | Suncor Energy Inc. | 17 | 14.0 | |
| 1978 | Anadarko Canada Corporation | 16 | 10.0 | |
| 1978 | 177293 Canada Ltd. | 15 | 12.0 | |
| 1978 | Big Valley Energy Corporation | 15 | 13.0 | |
| 1978 | Pembina Pipeline Corporation | 14 | 12.0 | |
| 1978 | Shell Canada Resources Ltd. | 13 | 10.0 | |
| 1978 | Western Decalta Pete(1977)ltd | 11 | 6.0 | |
| 1978 | ConocoPhillips Canada (BRC) Ltd. | 10 | 9.0 | |
| 1978 | Dorset Exploration Ltd. | 10 | 8.0 | |
| 1978 | Great Plains Development Company Of Canada Ltd. | 9 | 7.0 | |
| 1978 | 625894 Alberta Inc. | 8 | 5.0 | |
| 1978 | Koch Pipelines Ltd | 8 | 7.0 | |
| 1978 | Pacific Petroleums Ltd. | 8 | 5.0 | |
| 1978 | Rainbow Pipe Line Company Ulc | 6 | 4.0 | |
| 1978 | Comaplex Resources International Ltd. | 5 | 4.0 | |
| 1978 | Francana Oil & Gas Ltd. | 5 | 4.0 | |
| 1978 | Nexen Energy ULC | 5 | 3.0 | |
| 1978 | Canadian Natural Resources Limited | 4 | ||
| 1978 | Gulf Canada Resources Limited | 4 | 3.0 | |
| 1978 | Legal Oil & Gas Ltd. | 4 | 2.0 | |
| 1978 | Ranchmen's Resources Ltd. | 4 | 3.0 | |
| 1978 | Consolidated Trans-Can Res | 3 | ||
| 1978 | Husky Oil Ltd. | 3 | 2.0 | |
| 1978 | International Colin Energy Corporation | 3 | 2.0 | |
| 1978 | J. M. Huber Corporation | 3 | 2.0 | |
| 1978 | Numac Oil & Gas | 3 | 2.0 | |
| 1978 | Union Pacific Resources Inc. | 3 | ||
| 1978 | Alberta Ethane Development Company Ltd. | 2 | ||
| 1978 | Chevron Canada Properties Limited | 2 | 1.0 | |
| 1978 | Devon Canada Corporation | 2 | 1.0 | |
| 1978 | ExxonMobil Resources Ltd. | 2 | 1.0 | |
| 1978 | Petro-Canada Enterprises Inc. | 2 | 1.0 | |
| 1978 | Wainoco Oil Ltd. | 2 | ||
| 1978 | Alcon Petroleums Ltd. | 1 | ||
| 1978 | Bridges Energy Inc. | 1 | ||
| 1978 | Camino Industries Inc. | 1 | ||
| 1978 | Cremona Pipe Lines Ltd. | 1 | ||
| 1978 | Getty Oil Company | 1 | ||
| 1978 | Inter-City Gas Corporation | 1 | ||
| 1978 | Mont Resources Limited | 1 | ||
| 1978 | Pangaea Petroleum Limited | 1 | ||
| 1978 | Pioneer Natural Resources Canada Inc. | 1 | ||
| 1978 | Scurry-Rainbow Limited | 1 | ||
| 1978 | Texaco Canada Ltd. | 1 | ||
| 1978 | United Western Oil & Gas Ltd. | 1 | ||
| 1978 | Westcoast Petroleum (1985) Ltd. | 1 | ||
| 1979 | BP Canada Energy Company | 267 | 205.0 | |
| 1979 | Imperial Oil Resources Limited | 238 | 198.0 | |
| 1979 | Imperial Oil Resources | 130 | 118.0 | |
| 1979 | Petro-Canada | 112 | 99.0 | |
| 1979 | ExxonMobil Canada Energy | 75 | 45.0 | |
| 1979 | Home Oil Company Limited | 69 | 51.0 | |
| 1979 | 652181 Alberta Ltd. | 56 | 48.0 | |
| 1979 | Gulf Canada Limited | 54 | 43.0 | |
| 1979 | Husky Oil Operations Limited | 47 | 37.0 | |
| 1979 | Dome Petroleum Ltd. | 44 | 38.0 | |
| 1979 | Enerplus Resources Corporation | 41 | 33.0 | |
| 1979 | Encana Corporation | 36 | 34.0 | |
| 1979 | Pembina Resources Limited | 35 | 31.0 | |
| 1979 | ExxonMobil Canada Ltd. | 32 | 30.0 | |
| 1979 | Repsol Oil & Gas Canada Inc. | 32 | 21.0 | |
| 1979 | Shell Canada Limited | 32 | 19.0 | |
| 1979 | Chevron Canada Limited | 30 | 23.0 | |
| 1979 | Redwater Water Disposal Company Limited | 30 | 21.0 | |
| 1979 | Federated Pipe Lines Ltd. | 29 | 24.0 | |
| 1979 | Crestar Energy Inc. | 28 | 25.0 | |
| 1979 | Hudson's Bay O & G | 23 | 22.0 | |
| 1979 | Anadarko Canada Corporation | 22 | 16.0 | |
| 1979 | Suncor Energy Inc. | 21 | 17.0 | |
| 1979 | Renaissance Energy Ltd. | 18 | 17.0 | |
| 1979 | Big Valley Energy Corporation | 17 | 15.0 | |
| 1979 | 177293 Canada Ltd. | 16 | 15.0 | |
| 1979 | Pembina Pipeline Corporation | 16 | 14.0 | |
| 1979 | Western Decalta Pete(1977)ltd | 15 | 11.0 | |
| 1979 | Nexen Energy ULC | 14 | 5.0 | |
| 1979 | Shell Canada Resources Ltd. | 14 | 13.0 | |
| 1979 | 625894 Alberta Inc. | 12 | 8.0 | |
| 1979 | Dorset Exploration Ltd. | 12 | 10.0 | |
| 1979 | McColl-Frontenac Petroleum ULC | 12 | 10.0 | |
| 1979 | Koch Pipelines Ltd | 11 | 8.0 | |
| 1979 | Great Plains Development Company Of Canada Ltd. | 10 | 9.0 | |
| 1979 | Rainbow Pipe Line Company Ulc | 9 | 6.0 | |
| 1979 | Bow River Pipe Lines Ltd | 8 | 7.0 | |
| 1979 | Encor Energy Corporation Inc. | 7 | 4.0 | |
| 1979 | Calgary Crude Oil Limited | 6 | 5.0 | |
| 1979 | Canterra Energy Ltd. | 6 | 3.0 | |
| 1979 | Comaplex Resources International Ltd. | 6 | 5.0 | |
| 1979 | Gulf Alberta Pipe Line Company Limited | 6 | 5.0 | |
| 1979 | Canadian Natural Resources Limited | 5 | 4.0 | |
| 1979 | Gulf Canada Resources Limited | 5 | 4.0 | |
| 1979 | International Colin Energy Corporation | 5 | 3.0 | |
| 1979 | Amax Petroleum Of Canada Inc. | 4 | 1.0 | |
| 1979 | Equis Energy Corp. | 4 | 3.0 | |
| 1979 | Husky Oil Ltd. | 4 | 3.0 | |
| 1979 | Numac Oil & Gas | 4 | 3.0 | |
| 1979 | Tenneco Oil & Minerals | 4 | 3.0 | |
| 1979 | Union Pacific Resources Inc. | 4 | 3.0 | |
| 1979 | Battle Creek Developments Ltd. | 3 | 2.0 | |
| 1979 | Chevron Canada Properties Limited | 3 | 2.0 | |
| 1979 | Inter-City Gas Corporation | 3 | 1.0 | |
| 1979 | Interprovincial Pipe Line Company | 3 | 2.0 | |
| 1979 | Keles Production Company Ltd. | 3 | 2.0 | |
| 1979 | 529979 Alberta Limited | 2 | ||
| 1979 | Mitchell & Associates Ltd. | 2 | 1.0 | |
| 1979 | Roxy-Clarion Petroleum Ltd. | 2 | 1.0 | |
| 1979 | Tesoro Petroleum Corporation | 2 | ||
| 1979 | The Marathon Oil Co. | 2 | 1.0 | |
| 1979 | Bearspaw Petroleum Ltd. | 1 | ||
| 1979 | Canadian 88 Resources Inc. | 1 | ||
| 1979 | Cynthia Gas Gathering Company Limited | 1 | ||
| 1979 | Desoto Resources Limited | 1 | ||
| 1979 | Gulf Canada Frontier Exploration Limited | 1 | ||
| 1979 | Inverness Hydrocarbons Ltd. | 1 | ||
| 1979 | Liftlock Resources Ltd. | 1 | ||
| 1979 | Madison Oil Company | 1 | ||
| 1979 | Morrison Petroleums Ltd. | 1 | ||
| 1979 | Newcal Energy Inc. | 1 | ||
| 1979 | Rimbey Pipe Line Co. Ltd. | 1 | ||
| 1979 | Rio Alto Exploration Ltd. | 1 | ||
| 1979 | Tiverton Petroleums Ltd. | 1 | ||
| 1979 | Uno-Tex Petroleum Corporation | 1 | ||
| 1980 | BP Canada Energy Company | 326 | 267.0 | |
| 1980 | Imperial Oil Resources Limited | 308 | 238.0 | |
| 1980 | Imperial Oil Resources | 137 | 130.0 | |
| 1980 | Petro-Canada | 135 | 112.0 | |
| 1980 | Home Oil Company Limited | 114 | 69.0 | |
| 1980 | ExxonMobil Canada Energy | 106 | 75.0 | |
| 1980 | Gulf Canada Limited | 72 | 54.0 | |
| 1980 | Husky Oil Operations Limited | 61 | 47.0 | |
| 1980 | 652181 Alberta Ltd. | 60 | 56.0 | |
| 1980 | Dome Petroleum Ltd. | 48 | 44.0 | |
| 1980 | Repsol Oil & Gas Canada Inc. | 46 | 32.0 | |
| 1980 | Enerplus Resources Corporation | 45 | 41.0 | |
| 1980 | Pembina Resources Limited | 45 | 35.0 | |
| 1980 | Encana Corporation | 41 | 36.0 | |
| 1980 | Chevron Canada Limited | 39 | 30.0 | |
| 1980 | Shell Canada Limited | 38 | 32.0 | |
| 1980 | Redwater Water Disposal Company Limited | 35 | 30.0 | |
| 1980 | ExxonMobil Canada Ltd. | 34 | 32.0 | |
| 1980 | Anadarko Canada Corporation | 33 | 22.0 | |
| 1980 | Federated Pipe Lines Ltd. | 32 | 29.0 | |
| 1980 | Suncor Energy Inc. | 26 | 21.0 | |
| 1980 | Big Valley Energy Corporation | 20 | 17.0 | |
| 1980 | Western Decalta Pete(1977)ltd | 20 | 15.0 | |
| 1980 | 177293 Canada Ltd. | 19 | 16.0 | |
| 1980 | Pembina Pipeline Corporation | 19 | 16.0 | |
| 1980 | 625894 Alberta Inc. | 18 | 12.0 | |
| 1980 | Dorset Exploration Ltd. | 17 | 12.0 | |
| 1980 | Nexen Energy ULC | 16 | 14.0 | |
| 1980 | Shell Canada Resources Ltd. | 16 | 14.0 | |
| 1980 | Koch Pipelines Ltd | 13 | 11.0 | |
| 1980 | McColl-Frontenac Petroleum ULC | 13 | 12.0 | |
| 1980 | ConocoPhillips Canada (BRC) Ltd. | 12 | 10.0 | |
| 1980 | Bow River Pipe Lines Ltd | 10 | 8.0 | |
| 1980 | Encor Energy Corporation Inc. | 10 | 7.0 | |
| 1980 | International Colin Energy Corporation | 10 | 5.0 | |
| 1980 | Rainbow Pipe Line Company Ulc | 10 | 9.0 | |
| 1980 | Gulf Canada Resources Limited | 9 | 5.0 | |
| 1980 | Union Pacific Resources Inc. | 9 | 4.0 | |
| 1980 | Barcomp Petroleum Ltd. | 8 | ||
| 1980 | Battle Creek Developments Ltd. | 7 | 3.0 | |
| 1980 | Canterra Energy Ltd. | 7 | 6.0 | |
| 1980 | Murphy Oil Company Ltd. | 7 | 4.0 | |
| 1980 | Chevron Canada Properties Limited | 5 | 3.0 | |
| 1980 | Equis Energy Corp. | 5 | 4.0 | |
| 1980 | Imperial Oil Resources Ventures Limited | 5 | 3.0 | |
| 1980 | Numac Oil & Gas | 5 | 4.0 | |
| 1980 | Ranchmen's Resources Ltd. | 5 | 4.0 | |
| 1980 | Inter-City Gas Corporation | 4 | 3.0 | |
| 1980 | Keles Production Company Ltd. | 4 | 3.0 | |
| 1980 | Tiverton Petroleums Ltd. | 4 | 1.0 | |
| 1980 | Westcoast Petroleum (1985) Ltd. | 4 | 1.0 | |
| 1980 | 529979 Alberta Limited | 3 | 2.0 | |
| 1980 | Tumit Petroleums Ltd. | 3 | 2.0 | |
| 1980 | Bluewater Oil & Gas Limited | 2 | ||
| 1980 | Bridges Energy Inc. | 2 | 1.0 | |
| 1980 | Canadian Roxy Petroleum Ltd. | 2 | 1.0 | |
| 1980 | Desoto Resources Limited | 2 | 1.0 | |
| 1980 | Morrison Petroleums Ltd. | 2 | 1.0 | |
| 1980 | Newcal Energy Inc. | 2 | 1.0 | |
| 1980 | Cangild Resources Ltd. | 1 | ||
| 1980 | Cigol International Ltd. | 1 | ||
| 1980 | Encal Oil And Gas Ltd. | 1 | ||
| 1980 | Hamilton Brothers Canadian Gas Company Ltd. | 1 | ||
| 1980 | Pemoco Ltd. | 1 | ||
| 1980 | Penn West Petroleum Acquisition Ltd. | 1 | ||
| 1980 | Samson Resources Company | 1 | ||
| 1980 | Town Of Coleman | 1 | ||
| 1981 | BP Canada Energy Company | 387 | 326.0 | |
| 1981 | Imperial Oil Resources Limited | 361 | 308.0 | |
| 1981 | Petro-Canada | 184 | 135.0 | |
| 1981 | Home Oil Company Limited | 172 | 114.0 | |
| 1981 | Imperial Oil Resources | 143 | 137.0 | |
| 1981 | ExxonMobil Canada Energy | 139 | 106.0 | |
| 1981 | Gulf Canada Limited | 82 | 72.0 | |
| 1981 | Husky Oil Operations Limited | 74 | 61.0 | |
| 1981 | 652181 Alberta Ltd. | 63 | 60.0 | |
| 1981 | Repsol Oil & Gas Canada Inc. | 54 | 46.0 | |
| 1981 | Pembina Resources Limited | 53 | 45.0 | |
| 1981 | Encana Corporation | 52 | 41.0 | |
| 1981 | Dome Petroleum Ltd. | 49 | 48.0 | |
| 1981 | Enerplus Resources Corporation | 49 | 45.0 | |
| 1981 | Shell Canada Limited | 49 | 38.0 | |
| 1981 | Chevron Canada Limited | 45 | 39.0 | |
| 1981 | Redwater Water Disposal Company Limited | 41 | 35.0 | |
| 1981 | Crestar Energy Inc. | 40 | 28.0 | |
| 1981 | Anadarko Canada Corporation | 37 | 33.0 | |
| 1981 | Renaissance Energy Ltd. | 28 | 18.0 | |
| 1981 | Suncor Energy Inc. | 28 | 26.0 | |
| 1981 | Hudson's Bay O & G | 24 | 23.0 | |
| 1981 | Nexen Energy ULC | 22 | 16.0 | |
| 1981 | Pembina Pipeline Corporation | 22 | 19.0 | |
| 1981 | 625894 Alberta Inc. | 21 | 18.0 | |
| 1981 | Big Valley Energy Corporation | 21 | 20.0 | |
| 1981 | Western Decalta Pete(1977)ltd | 21 | 20.0 | |
| 1981 | 177293 Canada Ltd. | 20 | 19.0 | |
| 1981 | Dorset Exploration Ltd. | 20 | 17.0 | |
| 1981 | Shell Canada Resources Ltd. | 17 | 16.0 | |
| 1981 | McColl-Frontenac Petroleum ULC | 16 | 13.0 | |
| 1981 | Barcomp Petroleum Ltd. | 15 | 8.0 | |
| 1981 | Koch Pipelines Ltd | 14 | 13.0 | |
| 1981 | International Colin Energy Corporation | 12 | 10.0 | |
| 1981 | Rainbow Pipe Line Company Ulc | 12 | 10.0 | |
| 1981 | Union Pacific Resources Inc. | 12 | 9.0 | |
| 1981 | Encor Energy Corporation Inc. | 11 | 10.0 | |
| 1981 | Gulf Canada Resources Limited | 11 | 9.0 | |
| 1981 | Murphy Oil Company Ltd. | 10 | 7.0 | |
| 1981 | Canterra Energy Ltd. | 9 | 7.0 | |
| 1981 | Rising Resources Ltd. | 9 | 6.0 | |
| 1981 | Battle Creek Developments Ltd. | 8 | 7.0 | |
| 1981 | Chevron Canada Properties Limited | 8 | 5.0 | |
| 1981 | Gulf Alberta Pipe Line Company Limited | 7 | 6.0 | |
| 1981 | Amax Petroleum Of Canada Inc. | 6 | 4.0 | |
| 1981 | Equis Energy Corp. | 6 | 5.0 | |
| 1981 | EOG Resources Canada Inc. | 5 | 3.0 | |
| 1981 | Tenneco Oil & Minerals | 5 | 4.0 | |
| 1981 | Tiverton Petroleums Ltd. | 5 | 4.0 | |
| 1981 | Devon NEC Corporation | 4 | 3.0 | |
| 1981 | Koch Exploration Canada, Ltd. | 4 | 2.0 | |
| 1981 | NS Industries Canada Limited | 4 | 3.0 | |
| 1981 | Wainoco Oil & Gas Limited | 4 | ||
| 1981 | 7246366 Canada Ltd. | 3 | ||
| 1981 | Morrison Petroleums Ltd. | 3 | 2.0 | |
| 1981 | Newcal Energy Inc. | 3 | 2.0 | |
| 1981 | Rigel Oil & Gas Ltd. | 3 | ||
| 1981 | Camino Industries Inc. | 2 | 1.0 | |
| 1981 | Canadian 88 Resources Inc. | 2 | 1.0 | |
| 1981 | Cangild Resources Ltd. | 2 | 1.0 | |
| 1981 | HCO Energy Company Ltd. | 2 | ||
| 1981 | Penn West Petroleum Acquisition Ltd. | 2 | 1.0 | |
| 1981 | Canadian Forest Oil Ltd. | 1 | ||
| 1981 | Encana Western Resources Ltd. | 1 | ||
| 1981 | Lario Oil & Gas Company | 1 | ||
| 1981 | Petrol Properties Ltd. | 1 | ||
| 1981 | Resman Holdings Ltd. | 1 | ||
| 1981 | Samson Courage Energy Inc. | 1 | ||
| 1981 | Zama Holdings Ltd | 1 | ||
| 1982 | BP Canada Energy Company | 448 | 387.0 | |
| 1982 | Imperial Oil Resources Limited | 415 | 361.0 | |
| 1982 | Petro-Canada | 224 | 184.0 | |
| 1982 | Home Oil Company Limited | 203 | 172.0 | |
| 1982 | ExxonMobil Canada Energy | 170 | 139.0 | |
| 1982 | Imperial Oil Resources | 151 | 143.0 | |
| 1982 | Gulf Canada Limited | 89 | 82.0 | |
| 1982 | Husky Oil Operations Limited | 89 | 74.0 | |
| 1982 | Pembina Resources Limited | 72 | 53.0 | |
| 1982 | 652181 Alberta Ltd. | 66 | 63.0 | |
| 1982 | Shell Canada Limited | 63 | 49.0 | |
| 1982 | Repsol Oil & Gas Canada Inc. | 62 | 54.0 | |
| 1982 | Chevron Canada Limited | 60 | 45.0 | |
| 1982 | Encana Corporation | 59 | 52.0 | |
| 1982 | Enerplus Resources Corporation | 52 | 49.0 | |
| 1982 | Dome Petroleum Ltd. | 51 | 49.0 | |
| 1982 | Crestar Energy Inc. | 50 | 40.0 | |
| 1982 | Redwater Water Disposal Company Limited | 49 | 41.0 | |
| 1982 | Anadarko Canada Corporation | 44 | 37.0 | |
| 1982 | Renaissance Energy Ltd. | 42 | 28.0 | |
| 1982 | Federated Pipe Lines Ltd. | 40 | 32.0 | |
| 1982 | ExxonMobil Canada Ltd. | 36 | 34.0 | |
| 1982 | 625894 Alberta Inc. | 33 | 21.0 | |
| 1982 | Suncor Energy Inc. | 29 | 28.0 | |
| 1982 | Pembina Pipeline Corporation | 24 | 22.0 | |
| 1982 | Dorset Exploration Ltd. | 23 | 20.0 | |
| 1982 | Nexen Energy ULC | 23 | 22.0 | |
| 1982 | 177293 Canada Ltd. | 22 | 20.0 | |
| 1982 | Western Decalta Pete(1977)ltd | 22 | 21.0 | |
| 1982 | Barcomp Petroleum Ltd. | 17 | 15.0 | |
| 1982 | Koch Pipelines Ltd | 17 | 14.0 | |
| 1982 | McColl-Frontenac Petroleum ULC | 17 | 16.0 | |
| 1982 | Rising Resources Ltd. | 16 | 9.0 | |
| 1982 | International Colin Energy Corporation | 15 | 12.0 | |
| 1982 | Union Pacific Resources Inc. | 14 | 12.0 | |
| 1982 | ConocoPhillips Canada (BRC) Ltd. | 13 | 12.0 | |
| 1982 | Gulf Canada Resources Limited | 12 | 11.0 | |
| 1982 | Bow River Pipe Lines Ltd | 11 | 10.0 | |
| 1982 | Great Plains Development Company Of Canada Ltd. | 11 | 10.0 | |
| 1982 | Murphy Oil Company Ltd. | 11 | 10.0 | |
| 1982 | Canterra Energy Ltd. | 10 | 9.0 | |
| 1982 | Chevron Canada Properties Limited | 10 | 8.0 | |
| 1982 | Amax Petroleum Of Canada Inc. | 9 | 6.0 | |
| 1982 | Comaplex Resources International Ltd. | 8 | 6.0 | |
| 1982 | Gulf Alberta Pipe Line Company Limited | 8 | 7.0 | |
| 1982 | Westcoast Petroleum (1985) Ltd. | 8 | 4.0 | |
| 1982 | EOG Resources Canada Inc. | 7 | 5.0 | |
| 1982 | Ranchmen's Resources Ltd. | 7 | 5.0 | |
| 1982 | Imperial Oil Resources Ventures Limited | 6 | 5.0 | |
| 1982 | Newcal Energy Inc. | 6 | 3.0 | |
| 1982 | Tenneco Oil & Minerals | 6 | 5.0 | |
| 1982 | Sarg Oils Ltd. | 4 | ||
| 1982 | Tri-Star Petroleum Inc. | 4 | ||
| 1982 | Calibre Energy Inc. | 3 | 2.0 | |
| 1982 | Canada Northwest Energy Limited | 3 | ||
| 1982 | Canadian 88 Resources Inc. | 3 | 2.0 | |
| 1982 | Meekwap Pipe Line Ltd | 3 | 2.0 | |
| 1982 | Zama Holdings Ltd | 3 | 1.0 | |
| 1982 | ConocoPhillips Canada Resources Corp. | 2 | 1.0 | |
| 1982 | Inverness Hydrocarbons Ltd. | 2 | 1.0 | |
| 1982 | Rio Alto Exploration Ltd. | 2 | 1.0 | |
| 1982 | Samson Courage Energy Inc. | 2 | 1.0 | |
| 1982 | Samson Resources Company | 2 | 1.0 | |
| 1982 | Acanthus Resources Ltd. | 1 | ||
| 1982 | American Trading and Production Corporation | 1 | ||
| 1982 | BHP Billiton (Trinidad-East Coast) Ltd. | 1 | ||
| 1982 | Cabre Exploration Ltd. | 1 | ||
| 1982 | Medallion Petroleums Ltd. | 1 | ||
| 1982 | Penn West Canadian Fuel Ltd. | 1 | ||
| 1982 | Skye Resources Ltd. | 1 | ||
| 1982 | Texas Gulf Sulphur Company | 1 | ||
| 1983 | BP Canada Energy Company | 514 | 448.0 | |
| 1983 | Imperial Oil Resources Limited | 471 | 415.0 | |
| 1983 | Petro-Canada | 259 | 224.0 | |
| 1983 | Home Oil Company Limited | 244 | 203.0 | |
| 1983 | ExxonMobil Canada Energy | 203 | 170.0 | |
| 1983 | Imperial Oil Resources | 161 | 151.0 | |
| 1983 | Husky Oil Operations Limited | 117 | 89.0 | |
| 1983 | Gulf Canada Limited | 99 | 89.0 | |
| 1983 | Pembina Resources Limited | 90 | 72.0 | |
| 1983 | Shell Canada Limited | 81 | 63.0 | |
| 1983 | Repsol Oil & Gas Canada Inc. | 75 | 62.0 | |
| 1983 | Encana Corporation | 71 | 59.0 | |
| 1983 | 652181 Alberta Ltd. | 67 | 66.0 | |
| 1983 | Anadarko Canada Corporation | 67 | 44.0 | |
| 1983 | Chevron Canada Limited | 66 | 60.0 | |
| 1983 | Crestar Energy Inc. | 58 | 50.0 | |
| 1983 | Dome Petroleum Ltd. | 57 | 51.0 | |
| 1983 | Enerplus Resources Corporation | 55 | 52.0 | |
| 1983 | Redwater Water Disposal Company Limited | 53 | 49.0 | |
| 1983 | Renaissance Energy Ltd. | 52 | 42.0 | |
| 1983 | Federated Pipe Lines Ltd. | 42 | 40.0 | |
| 1983 | 625894 Alberta Inc. | 38 | 33.0 | |
| 1983 | ExxonMobil Canada Ltd. | 38 | 36.0 | |
| 1983 | Suncor Energy Inc. | 34 | 29.0 | |
| 1983 | Pembina Pipeline Corporation | 26 | 24.0 | |
| 1983 | Dorset Exploration Ltd. | 25 | 23.0 | |
| 1983 | Nexen Energy ULC | 24 | 23.0 | |
| 1983 | 177293 Canada Ltd. | 23 | 22.0 | |
| 1983 | Rising Resources Ltd. | 22 | 16.0 | |
| 1983 | Union Pacific Resources Inc. | 19 | 14.0 | |
| 1983 | Barcomp Petroleum Ltd. | 18 | 17.0 | |
| 1983 | International Colin Energy Corporation | 18 | 15.0 | |
| 1983 | McColl-Frontenac Petroleum ULC | 18 | 17.0 | |
| 1983 | Bow River Pipe Lines Ltd | 14 | 11.0 | |
| 1983 | Gulf Canada Resources Limited | 14 | 12.0 | |
| 1983 | Amax Petroleum Of Canada Inc. | 13 | 9.0 | |
| 1983 | Murphy Oil Company Ltd. | 13 | 11.0 | |
| 1983 | Rainbow Pipe Line Company Ulc | 13 | 12.0 | |
| 1983 | Comaplex Resources International Ltd. | 12 | 8.0 | |
| 1983 | Chevron Canada Properties Limited | 11 | 10.0 | |
| 1983 | Battle Creek Developments Ltd. | 10 | 8.0 | |
| 1983 | EOG Resources Canada Inc. | 10 | 7.0 | |
| 1983 | Newcal Energy Inc. | 8 | 6.0 | |
| 1983 | Calgary Crude Oil Limited | 7 | 6.0 | |
| 1983 | Keles Production Company Ltd. | 6 | 4.0 | |
| 1983 | Koch Exploration Canada, Ltd. | 6 | 4.0 | |
| 1983 | Pemoco Ltd. | 5 | 1.0 | |
| 1983 | 529979 Alberta Limited | 4 | 3.0 | |
| 1983 | Bluewater Oil & Gas Limited | 4 | 2.0 | |
| 1983 | Cangild Resources Ltd. | 4 | 2.0 | |
| 1983 | Morrison Petroleums Ltd. | 4 | 3.0 | |
| 1983 | Zama Holdings Ltd | 4 | 3.0 | |
| 1983 | Alberta Energy Company Ltd. | 3 | ||
| 1983 | ConocoPhillips Canada Resources Corp. | 3 | 2.0 | |
| 1983 | Devon Canada Corporation | 3 | 2.0 | |
| 1983 | Penn West Petroleum Acquisition Ltd. | 3 | 2.0 | |
| 1983 | Texas Gulf Sulphur Company | 3 | 1.0 | |
| 1983 | Ulster Petroleums Ltd. | 3 | 1.0 | |
| 1983 | Bumper Development Corporation Ltd. | 2 | 1.0 | |
| 1983 | Dorchester Exploration, Inc. | 2 | ||
| 1983 | E. Martens Enterprises Ltd. | 2 | ||
| 1983 | Northwestern Utilities Limited | 2 | ||
| 1983 | Resman Holdings Ltd. | 2 | 1.0 | |
| 1983 | Alberta Eastern Gas Limited | 1 | ||
| 1983 | Altmark Energy Inc. | 1 | ||
| 1983 | Enermark Inc. | 1 | ||
| 1983 | Gibson Energy ULC | 1 | ||
| 1983 | Numac Energy Inc. | 1 | ||
| 1983 | Pennzoil Petroleums Ltd. | 1 | ||
| 1983 | Pensionfund Energy Resources Limited | 1 | ||
| 1983 | Prairie Mines & Royalty ULC | 1 | ||
| 1984 | BP Canada Energy Company | 587 | 514.0 | |
| 1984 | Imperial Oil Resources Limited | 500 | 471.0 | |
| 1984 | Petro-Canada | 302 | 259.0 | |
| 1984 | Home Oil Company Limited | 270 | 244.0 | |
| 1984 | ExxonMobil Canada Energy | 253 | 203.0 | |
| 1984 | Imperial Oil Resources | 181 | 161.0 | |
| 1984 | Husky Oil Operations Limited | 152 | 117.0 | |
| 1984 | Gulf Canada Limited | 108 | 99.0 | |
| 1984 | Pembina Resources Limited | 99 | 90.0 | |
| 1984 | Shell Canada Limited | 99 | 81.0 | |
| 1984 | Encana Corporation | 96 | 71.0 | |
| 1984 | Repsol Oil & Gas Canada Inc. | 89 | 75.0 | |
| 1984 | Anadarko Canada Corporation | 88 | 67.0 | |
| 1984 | Chevron Canada Limited | 81 | 66.0 | |
| 1984 | 652181 Alberta Ltd. | 71 | 67.0 | |
| 1984 | Crestar Energy Inc. | 70 | 58.0 | |
| 1984 | Dome Petroleum Ltd. | 70 | 57.0 | |
| 1984 | Renaissance Energy Ltd. | 69 | 52.0 | |
| 1984 | Enerplus Resources Corporation | 61 | 55.0 | |
| 1984 | Redwater Water Disposal Company Limited | 60 | 53.0 | |
| 1984 | Federated Pipe Lines Ltd. | 46 | 42.0 | |
| 1984 | 625894 Alberta Inc. | 42 | 38.0 | |
| 1984 | ExxonMobil Canada Ltd. | 40 | 38.0 | |
| 1984 | Rising Resources Ltd. | 30 | 22.0 | |
| 1984 | Pembina Pipeline Corporation | 27 | 26.0 | |
| 1984 | 177293 Canada Ltd. | 26 | 23.0 | |
| 1984 | Hudson's Bay O & G | 26 | 24.0 | |
| 1984 | Nexen Energy ULC | 25 | 24.0 | |
| 1984 | Big Valley Energy Corporation | 22 | 21.0 | |
| 1984 | Koch Pipelines Ltd | 22 | 17.0 | |
| 1984 | Comaplex Resources International Ltd. | 20 | 12.0 | |
| 1984 | McColl-Frontenac Petroleum ULC | 20 | 18.0 | |
| 1984 | Koch Exploration Canada, Ltd. | 19 | 6.0 | |
| 1984 | Bow River Pipe Lines Ltd | 17 | 14.0 | |
| 1984 | Gulf Canada Resources Limited | 17 | 14.0 | |
| 1984 | Chevron Canada Properties Limited | 15 | 11.0 | |
| 1984 | Murphy Oil Company Ltd. | 15 | 13.0 | |
| 1984 | Rainbow Pipe Line Company Ulc | 14 | 13.0 | |
| 1984 | Battle Creek Developments Ltd. | 13 | 10.0 | |
| 1984 | Great Plains Development Company Of Canada Ltd. | 12 | 11.0 | |
| 1984 | Newcal Energy Inc. | 12 | 8.0 | |
| 1984 | Canterra Energy Ltd. | 11 | 10.0 | |
| 1984 | Pemoco Ltd. | 10 | 5.0 | |
| 1984 | Gulf Alberta Pipe Line Company Limited | 9 | 8.0 | |
| 1984 | Devon Canada Corporation | 8 | 3.0 | |
| 1984 | Ranchmen's Resources Ltd. | 8 | 7.0 | |
| 1984 | Canadian 88 Resources Inc. | 7 | 3.0 | |
| 1984 | Equis Energy Corp. | 7 | 6.0 | |
| 1984 | Keles Production Company Ltd. | 7 | 6.0 | |
| 1984 | Canadian Natural Resources Limited | 6 | 5.0 | |
| 1984 | Cangild Resources Ltd. | 6 | 4.0 | |
| 1984 | Devon NEC Corporation | 6 | 4.0 | |
| 1984 | Morrison Petroleums Ltd. | 6 | 4.0 | |
| 1984 | Ulster Petroleums Ltd. | 6 | 3.0 | |
| 1984 | Cigol International Ltd. | 5 | 1.0 | |
| 1984 | Husky Oil Ltd. | 5 | 4.0 | |
| 1984 | NS Industries Canada Limited | 5 | 4.0 | |
| 1984 | Penn West Petroleum Acquisition Ltd. | 5 | 3.0 | |
| 1984 | Stealth Resources Limited | 5 | ||
| 1984 | Alberta Energy Company Ltd. | 4 | 3.0 | |
| 1984 | Bumper Development Corporation Ltd. | 4 | 2.0 | |
| 1984 | Canada Northwest Energy Limited | 4 | 3.0 | |
| 1984 | Interprovincial Pipe Line Company | 4 | 3.0 | |
| 1984 | Rigel Oil & Gas Ltd. | 4 | 3.0 | |
| 1984 | Tesoro Petroleum Corporation | 4 | 2.0 | |
| 1984 | Vikor Resources Ltd. | 3 | 2.0 | |
| 1984 | ATCO Midstream Processing Ltd. | 2 | ||
| 1984 | Acanthus Resources Ltd. | 2 | 1.0 | |
| 1984 | Alberta Eastern Gas Limited | 2 | 1.0 | |
| 1984 | Alcon Petroleums Ltd. | 2 | 1.0 | |
| 1984 | Birchill Management Limited | 2 | ||
| 1984 | Cabre Exploration Ltd. | 2 | 1.0 | |
| 1984 | Canadian Forest Oil Ltd. | 2 | 1.0 | |
| 1984 | Drummond Oil & Gas Ltd. | 2 | ||
| 1984 | Gibson Energy ULC | 2 | 1.0 | |
| 1984 | International Reef Resources Ltd. | 2 | 1.0 | |
| 1984 | Nexen Canada Ltd. | 2 | ||
| 1984 | Penquin Works Inc. | 2 | ||
| 1984 | Samedan Oil Of Canada, Inc. | 2 | ||
| 1984 | Saskatchewan Power Corporation | 2 | ||
| 1984 | 1208058 Alberta Ltd. | 1 | ||
| 1984 | Alberta Oil Sands Pipeline Ltd. | 1 | ||
| 1984 | Baloil Resources Ltd. | 1 | ||
| 1984 | Barons Oil Limited | 1 | ||
| 1984 | Brae Canada Ltd. | 1 | ||
| 1984 | ConocoPhillips Canada Limited | 1 | ||
| 1984 | Intensity Resources Ltd. | 1 | ||
| 1984 | Lariat Oil & Gas Ltd. | 1 | ||
| 1984 | New York Oils Limited | 1 | ||
| 1984 | Oakwood Petroleums Ltd. | 1 | ||
| 1984 | Paddle Petroleum Ltd. | 1 | ||
| 1984 | Phillips Petroleum Company Western Hemisphere | 1 | ||
| 1984 | Taku Gas Limited | 1 | ||
| 1984 | Total Petroleum, Inc. | 1 | ||
| 1984 | Triwaste Cleancare Inc. | 1 | ||
| 1985 | BP Canada Energy Company | 734 | 587.0 | |
| 1985 | Imperial Oil Resources Limited | 564 | 500.0 | |
| 1985 | Petro-Canada | 330 | 302.0 | |
| 1985 | ExxonMobil Canada Energy | 304 | 253.0 | |
| 1985 | Home Oil Company Limited | 292 | 270.0 | |
| 1985 | Imperial Oil Resources | 202 | 181.0 | |
| 1985 | Husky Oil Operations Limited | 200 | 152.0 | |
| 1985 | Shell Canada Limited | 153 | 99.0 | |
| 1985 | Pembina Resources Limited | 128 | 99.0 | |
| 1985 | Gulf Canada Limited | 119 | 108.0 | |
| 1985 | Repsol Oil & Gas Canada Inc. | 110 | 89.0 | |
| 1985 | Encana Corporation | 108 | 96.0 | |
| 1985 | Anadarko Canada Corporation | 104 | 88.0 | |
| 1985 | Chevron Canada Limited | 94 | 81.0 | |
| 1985 | Crestar Energy Inc. | 83 | 70.0 | |
| 1985 | Renaissance Energy Ltd. | 83 | 69.0 | |
| 1985 | Dome Petroleum Ltd. | 74 | 70.0 | |
| 1985 | 652181 Alberta Ltd. | 72 | 71.0 | |
| 1985 | Enerplus Resources Corporation | 64 | 61.0 | |
| 1985 | Redwater Water Disposal Company Limited | 64 | 60.0 | |
| 1985 | 625894 Alberta Inc. | 51 | 42.0 | |
| 1985 | Federated Pipe Lines Ltd. | 48 | 46.0 | |
| 1985 | ExxonMobil Canada Ltd. | 43 | 40.0 | |
| 1985 | Suncor Energy Inc. | 39 | 34.0 | |
| 1985 | Rising Resources Ltd. | 33 | 30.0 | |
| 1985 | Pembina Pipeline Corporation | 30 | 27.0 | |
| 1985 | Nexen Energy ULC | 29 | 25.0 | |
| 1985 | 177293 Canada Ltd. | 28 | 26.0 | |
| 1985 | Comaplex Resources International Ltd. | 27 | 20.0 | |
| 1985 | Dorset Exploration Ltd. | 27 | 25.0 | |
| 1985 | Encor Energy Corporation Inc. | 26 | 11.0 | |
| 1985 | Koch Pipelines Ltd | 25 | 22.0 | |
| 1985 | Koch Exploration Canada, Ltd. | 24 | 19.0 | |
| 1985 | Union Pacific Resources Inc. | 24 | 19.0 | |
| 1985 | Rainbow Pipe Line Company Ulc | 22 | 14.0 | |
| 1985 | Chevron Canada Properties Limited | 20 | 15.0 | |
| 1985 | Bow River Pipe Lines Ltd | 19 | 17.0 | |
| 1985 | International Colin Energy Corporation | 19 | 18.0 | |
| 1985 | Murphy Oil Company Ltd. | 19 | 15.0 | |
| 1985 | Gulf Canada Resources Limited | 18 | 17.0 | |
| 1985 | Amax Petroleum Of Canada Inc. | 17 | 13.0 | |
| 1985 | Battle Creek Developments Ltd. | 16 | 13.0 | |
| 1985 | ConocoPhillips Canada (BRC) Ltd. | 15 | 13.0 | |
| 1985 | Canterra Energy Ltd. | 12 | 11.0 | |
| 1985 | Devon NEC Corporation | 12 | 6.0 | |
| 1985 | Samson Resources Company | 12 | 2.0 | |
| 1985 | Westcoast Petroleum (1985) Ltd. | 11 | 8.0 | |
| 1985 | Ranchmen's Resources Ltd. | 10 | 8.0 | |
| 1985 | Tesoro Petroleum Corporation | 10 | 4.0 | |
| 1985 | Cigol International Ltd. | 8 | 5.0 | |
| 1985 | Enermark Inc. | 8 | 1.0 | |
| 1985 | Husky Oil Ltd. | 8 | 5.0 | |
| 1985 | Taku Gas Limited | 8 | 1.0 | |
| 1985 | Ulster Petroleums Ltd. | 7 | 6.0 | |
| 1985 | Alberta Energy Company Ltd. | 6 | 4.0 | |
| 1985 | Interprovincial Pipe Line Company | 6 | 4.0 | |
| 1985 | Legal Oil & Gas Ltd. | 6 | 4.0 | |
| 1985 | Numac Oil & Gas | 6 | 5.0 | |
| 1985 | Rigel Oil & Gas Ltd. | 6 | 4.0 | |
| 1985 | Canada Northwest Energy Limited | 5 | 4.0 | |
| 1985 | Inverness Hydrocarbons Ltd. | 5 | 2.0 | |
| 1985 | Vikor Resources Ltd. | 5 | 3.0 | |
| 1985 | Alberta Eastern Gas Limited | 4 | 2.0 | |
| 1985 | Desoto Resources Limited | 4 | 2.0 | |
| 1985 | Skye Resources Ltd. | 4 | 1.0 | |
| 1985 | ATCO Midstream Processing Ltd. | 3 | 2.0 | |
| 1985 | Camino Industries Inc. | 3 | 2.0 | |
| 1985 | Coseka Resources Limited | 3 | ||
| 1985 | Encal Oil And Gas Ltd. | 3 | 1.0 | |
| 1985 | Gentra Energy Corporation | 3 | ||
| 1985 | Gibson Energy ULC | 3 | 2.0 | |
| 1985 | Northwestern Utilities Limited | 3 | 2.0 | |
| 1985 | Pennzoil Petroleums Ltd. | 3 | 1.0 | |
| 1985 | 2349507 Canada Inc. | 2 | ||
| 1985 | American Trading and Production Corporation | 2 | 1.0 | |
| 1985 | BHP Billiton (Trinidad-East Coast) Ltd. | 2 | 1.0 | |
| 1985 | Baloil Resources Ltd. | 2 | 1.0 | |
| 1985 | Barrington Petroleum Ltd. | 2 | ||
| 1985 | Bearspaw Petroleum Ltd. | 2 | 1.0 | |
| 1985 | Brae Canada Ltd. | 2 | 1.0 | |
| 1985 | Cwcp Resources Inc. | 2 | ||
| 1985 | D & R Oils Ltd. | 2 | ||
| 1985 | Hamilton Brothers Canadian Gas Company Ltd. | 2 | 1.0 | |
| 1985 | Husky Oil Operations Ltd. | 2 | ||
| 1985 | Intensity Resources Ltd. | 2 | 1.0 | |
| 1985 | Murphy Canada Exploration Company | 2 | ||
| 1985 | Nova Corporation Of Alberta | 2 | ||
| 1985 | Oakwood Petroleums Ltd. | 2 | 1.0 | |
| 1985 | Petrol Properties Ltd. | 2 | 1.0 | |
| 1985 | Capri Drilling (Canada) Inc. | 1 | ||
| 1985 | Causeway Energy Corporation | 1 | ||
| 1985 | DHN Services Ltd. | 1 | ||
| 1985 | Mobil-GC Canada Ltd | 1 | ||
| 1986 | BP Canada Energy Company | 844 | 734.0 | |
| 1986 | Imperial Oil Resources Limited | 607 | 564.0 | |
| 1986 | ExxonMobil Canada Energy | 362 | 304.0 | |
| 1986 | Petro-Canada | 354 | 330.0 | |
| 1986 | Home Oil Company Limited | 316 | 292.0 | |
| 1986 | Husky Oil Operations Limited | 247 | 200.0 | |
| 1986 | Imperial Oil Resources | 216 | 202.0 | |
| 1986 | Shell Canada Limited | 181 | 153.0 | |
| 1986 | Pembina Resources Limited | 146 | 128.0 | |
| 1986 | Chevron Canada Limited | 129 | 94.0 | |
| 1986 | Gulf Canada Limited | 126 | 119.0 | |
| 1986 | Encana Corporation | 123 | 108.0 | |
| 1986 | Repsol Oil & Gas Canada Inc. | 119 | 110.0 | |
| 1986 | Anadarko Canada Corporation | 113 | 104.0 | |
| 1986 | Crestar Energy Inc. | 98 | 83.0 | |
| 1986 | Renaissance Energy Ltd. | 96 | 83.0 | |
| 1986 | 652181 Alberta Ltd. | 75 | 72.0 | |
| 1986 | Dome Petroleum Ltd. | 75 | 74.0 | |
| 1986 | Enerplus Resources Corporation | 70 | 64.0 | |
| 1986 | Redwater Water Disposal Company Limited | 65 | 64.0 | |
| 1986 | 625894 Alberta Inc. | 59 | 51.0 | |
| 1986 | Federated Pipe Lines Ltd. | 53 | 48.0 | |
| 1986 | Suncor Energy Inc. | 49 | 39.0 | |
| 1986 | Encor Energy Corporation Inc. | 34 | 26.0 | |
| 1986 | Nexen Energy ULC | 34 | 29.0 | |
| 1986 | Rising Resources Ltd. | 34 | 33.0 | |
| 1986 | Dorset Exploration Ltd. | 31 | 27.0 | |
| 1986 | Pembina Pipeline Corporation | 31 | 30.0 | |
| 1986 | 177293 Canada Ltd. | 29 | 28.0 | |
| 1986 | Koch Exploration Canada, Ltd. | 29 | 24.0 | |
| 1986 | Bow River Pipe Lines Ltd | 26 | 19.0 | |
| 1986 | Koch Pipelines Ltd | 26 | 25.0 | |
| 1986 | Rainbow Pipe Line Company Ulc | 26 | 22.0 | |
| 1986 | Union Pacific Resources Inc. | 25 | 24.0 | |
| 1986 | International Colin Energy Corporation | 24 | 19.0 | |
| 1986 | Amax Petroleum Of Canada Inc. | 23 | 17.0 | |
| 1986 | Chevron Canada Properties Limited | 22 | 20.0 | |
| 1986 | Gulf Canada Resources Limited | 21 | 18.0 | |
| 1986 | McColl-Frontenac Petroleum ULC | 21 | 20.0 | |
| 1986 | ConocoPhillips Canada (BRC) Ltd. | 17 | 15.0 | |
| 1986 | Great Plains Development Company Of Canada Ltd. | 14 | 12.0 | |
| 1986 | Samson Resources Company | 14 | 12.0 | |
| 1986 | Canterra Energy Ltd. | 13 | 12.0 | |
| 1986 | Newcal Energy Inc. | 13 | 12.0 | |
| 1986 | Taku Gas Limited | 13 | 8.0 | |
| 1986 | EOG Resources Canada Inc. | 12 | 10.0 | |
| 1986 | Pemoco Ltd. | 12 | 10.0 | |
| 1986 | Westcoast Petroleum (1985) Ltd. | 12 | 11.0 | |
| 1986 | Enermark Inc. | 11 | 8.0 | |
| 1986 | Tesoro Petroleum Corporation | 11 | 10.0 | |
| 1986 | Ulster Petroleums Ltd. | 11 | 7.0 | |
| 1986 | Devon Canada Corporation | 10 | 8.0 | |
| 1986 | Cigol International Ltd. | 9 | 8.0 | |
| 1986 | Husky Oil Ltd. | 9 | 8.0 | |
| 1986 | Canada Northwest Energy Limited | 8 | 5.0 | |
| 1986 | Equis Energy Corp. | 8 | 7.0 | |
| 1986 | Numac Oil & Gas | 8 | 6.0 | |
| 1986 | Petrol Properties Ltd. | 8 | 2.0 | |
| 1986 | Alberta Energy Company Ltd. | 7 | 6.0 | |
| 1986 | Canadian Natural Resources Limited | 7 | 6.0 | |
| 1986 | Intensity Resources Ltd. | 7 | 2.0 | |
| 1986 | Interprovincial Pipe Line Company | 7 | 6.0 | |
| 1986 | Morrison Petroleums Ltd. | 7 | 6.0 | |
| 1986 | Pioneer Natural Resources Canada Inc. | 7 | 1.0 | |
| 1986 | Barrington Petroleum Ltd. | 6 | 2.0 | |
| 1986 | Bluewater Oil & Gas Limited | 6 | 4.0 | |
| 1986 | Encal Oil And Gas Ltd. | 6 | 3.0 | |
| 1986 | NS Industries Canada Limited | 6 | 5.0 | |
| 1986 | Stealth Resources Limited | 6 | 5.0 | |
| 1986 | Vikor Resources Ltd. | 6 | 5.0 | |
| 1986 | Bearspaw Petroleum Ltd. | 4 | 2.0 | |
| 1986 | Bridges Energy Inc. | 4 | 2.0 | |
| 1986 | Canadian Roxy Petroleum Ltd. | 4 | 2.0 | |
| 1986 | Cwcp Resources Inc. | 4 | 2.0 | |
| 1986 | J. M. Huber Corporation | 4 | 3.0 | |
| 1986 | 2349507 Canada Inc. | 3 | 2.0 | |
| 1986 | Alberta Ethane Development Company Ltd. | 3 | 2.0 | |
| 1986 | Pride Energy Inc. | 3 | ||
| 1986 | Rio Alto Exploration Ltd. | 3 | 2.0 | |
| 1986 | 3-D Enterprises | 2 | ||
| 1986 | Barnwell of Canada, Limited | 2 | ||
| 1986 | Medallion Petroleums Ltd. | 2 | 1.0 | |
| 1986 | South Alberta Energy Corp. | 2 | ||
| 1986 | Avord Oil & Gas Ltd | 1 | ||
| 1986 | Blue Range Resource Corporation | 1 | ||
| 1986 | Dekalb Petroleum Corporation | 1 | ||
| 1986 | Glencrest Energy Ltd. | 1 | ||
| 1986 | Husky Pipeline Ltd | 1 | ||
| 1986 | Inter-Base Petroleum Ltd. | 1 | ||
| 1986 | Mac Oils Ltd. | 1 | ||
| 1986 | Norse Explorations Ltd | 1 | ||
| 1986 | Paramount Resources Ltd. | 1 | ||
| 1986 | Piute Petroleums Limited | 1 | ||
| 1986 | Share Mines & Oils Ltd. | 1 | ||
| 1986 | Stephen Oil Limited | 1 | ||
| 1986 | Tripet Resources Limited | 1 | ||
| 1986 | Wintershall Canada Ltd. | 1 | ||
| 1987 | BP Canada Energy Company | 941 | 844.0 | |
| 1987 | Imperial Oil Resources Limited | 662 | 607.0 | |
| 1987 | ExxonMobil Canada Energy | 439 | 362.0 | |
| 1987 | Petro-Canada | 366 | 354.0 | |
| 1987 | Home Oil Company Limited | 354 | 316.0 | |
| 1987 | Husky Oil Operations Limited | 286 | 247.0 | |
| 1987 | Imperial Oil Resources | 228 | 216.0 | |
| 1987 | Shell Canada Limited | 208 | 181.0 | |
| 1987 | Pembina Resources Limited | 153 | 146.0 | |
| 1987 | Chevron Canada Limited | 146 | 129.0 | |
| 1987 | Gulf Canada Limited | 142 | 126.0 | |
| 1987 | Encana Corporation | 140 | 123.0 | |
| 1987 | Repsol Oil & Gas Canada Inc. | 138 | 119.0 | |
| 1987 | Anadarko Canada Corporation | 128 | 113.0 | |
| 1987 | Renaissance Energy Ltd. | 113 | 96.0 | |
| 1987 | Crestar Energy Inc. | 103 | 98.0 | |
| 1987 | 652181 Alberta Ltd. | 79 | 75.0 | |
| 1987 | Dome Petroleum Ltd. | 79 | 75.0 | |
| 1987 | 625894 Alberta Inc. | 74 | 59.0 | |
| 1987 | Enerplus Resources Corporation | 74 | 70.0 | |
| 1987 | Redwater Water Disposal Company Limited | 67 | 65.0 | |
| 1987 | Suncor Energy Inc. | 55 | 49.0 | |
| 1987 | Federated Pipe Lines Ltd. | 54 | 53.0 | |
| 1987 | Nexen Energy ULC | 50 | 34.0 | |
| 1987 | Encor Energy Corporation Inc. | 48 | 34.0 | |
| 1987 | ExxonMobil Canada Ltd. | 45 | 43.0 | |
| 1987 | Pembina Pipeline Corporation | 40 | 31.0 | |
| 1987 | Dorset Exploration Ltd. | 35 | 31.0 | |
| 1987 | Comaplex Resources International Ltd. | 34 | 27.0 | |
| 1987 | Koch Exploration Canada, Ltd. | 33 | 29.0 | |
| 1987 | 177293 Canada Ltd. | 30 | 29.0 | |
| 1987 | Bow River Pipe Lines Ltd | 28 | 26.0 | |
| 1987 | Koch Pipelines Ltd | 27 | 26.0 | |
| 1987 | Rainbow Pipe Line Company Ulc | 27 | 26.0 | |
| 1987 | Big Valley Energy Corporation | 24 | 22.0 | |
| 1987 | Gulf Canada Resources Limited | 24 | 21.0 | |
| 1987 | ConocoPhillips Canada (BRC) Ltd. | 19 | 17.0 | |
| 1987 | Battle Creek Developments Ltd. | 17 | 16.0 | |
| 1987 | Devon Canada Corporation | 17 | 10.0 | |
| 1987 | Husky Oil Ltd. | 16 | 9.0 | |
| 1987 | Great Plains Development Company Of Canada Ltd. | 15 | 14.0 | |
| 1987 | Intensity Resources Ltd. | 15 | 7.0 | |
| 1987 | Canterra Energy Ltd. | 14 | 13.0 | |
| 1987 | Taku Gas Limited | 14 | 13.0 | |
| 1987 | Devon NEC Corporation | 13 | 12.0 | |
| 1987 | Ranchmen's Resources Ltd. | 13 | 10.0 | |
| 1987 | Rio Alto Exploration Ltd. | 13 | 3.0 | |
| 1987 | Enermark Inc. | 12 | 11.0 | |
| 1987 | Tesoro Petroleum Corporation | 12 | 11.0 | |
| 1987 | Equis Energy Corp. | 10 | 8.0 | |
| 1987 | Inverness Hydrocarbons Ltd. | 9 | 5.0 | |
| 1987 | Morrison Petroleums Ltd. | 9 | 7.0 | |
| 1987 | Numac Oil & Gas | 9 | 8.0 | |
| 1987 | Pioneer Natural Resources Canada Inc. | 9 | 7.0 | |
| 1987 | Vikor Resources Ltd. | 9 | 6.0 | |
| 1987 | Alberta Energy Company Ltd. | 8 | 7.0 | |
| 1987 | Barrington Petroleum Ltd. | 8 | 6.0 | |
| 1987 | Canadian Natural Resources Limited | 8 | 7.0 | |
| 1987 | Penn West Petroleum Acquisition Ltd. | 8 | 5.0 | |
| 1987 | Canadian Roxy Petroleum Ltd. | 7 | 4.0 | |
| 1987 | Encal Oil And Gas Ltd. | 7 | 6.0 | |
| 1987 | Imperial Oil Resources Ventures Limited | 7 | 6.0 | |
| 1987 | Stealth Resources Limited | 7 | 6.0 | |
| 1987 | Bearspaw Petroleum Ltd. | 5 | 4.0 | |
| 1987 | Bridges Energy Inc. | 5 | 4.0 | |
| 1987 | Cwcp Resources Inc. | 5 | 4.0 | |
| 1987 | Acanthus Resources Ltd. | 4 | 2.0 | |
| 1987 | Barnwell of Canada, Limited | 4 | 2.0 | |
| 1987 | Birchill Management Limited | 4 | 2.0 | |
| 1987 | Calibre Energy Inc. | 4 | 3.0 | |
| 1987 | Coseka Resources Limited | 4 | 3.0 | |
| 1987 | Gentra Energy Corporation | 4 | 3.0 | |
| 1987 | Gibson Energy ULC | 4 | 3.0 | |
| 1987 | Meekwap Pipe Line Ltd | 4 | 3.0 | |
| 1987 | Murphy Canada Exploration Company | 4 | 2.0 | |
| 1987 | Pride Energy Inc. | 4 | 3.0 | |
| 1987 | 3-D Enterprises | 3 | 2.0 | |
| 1987 | Alcon Petroleums Ltd. | 3 | 2.0 | |
| 1987 | Harvard International Resources Ltd. | 3 | ||
| 1987 | Husky Oil Operations Ltd. | 3 | 2.0 | |
| 1987 | Inter-Base Petroleum Ltd. | 3 | 1.0 | |
| 1987 | Penn West Canadian Fuel Ltd. | 3 | 1.0 | |
| 1987 | Penquin Works Inc. | 3 | 2.0 | |
| 1987 | South Alberta Energy Corp. | 3 | 2.0 | |
| 1987 | Vintage Resource Corp. | 3 | 2.0 | |
| 1987 | Gascan Resources Ltd. | 2 | 1.0 | |
| 1987 | Lehr, Larry | 2 | ||
| 1987 | Mont Resources Limited | 2 | 1.0 | |
| 1987 | Piute Petroleums Limited | 2 | 1.0 | |
| 1987 | Acquifund Resources Limited | 1 | ||
| 1987 | Alberta Products Pipe Line Ltd | 1 | ||
| 1987 | Calpine Canada Natural Gas Company | 1 | ||
| 1987 | Consolidated Norex Res Corp | 1 | ||
| 1987 | Jarrod Oils Ltd. | 1 | ||
| 1987 | Lasmo Exploration(canada)ltd. | 1 | ||
| 1987 | Panther Resources Ltd | 1 | ||
| 1987 | Prairie Oil Royalties Limited | 1 | ||
| 1988 | BP Canada Energy Company | 1106 | 941.0 | |
| 1988 | Imperial Oil Resources Limited | 726 | 662.0 | |
| 1988 | ExxonMobil Canada Energy | 540 | 439.0 | |
| 1988 | Home Oil Company Limited | 385 | 354.0 | |
| 1988 | Petro-Canada | 385 | 366.0 | |
| 1988 | Husky Oil Operations Limited | 315 | 286.0 | |
| 1988 | Imperial Oil Resources | 238 | 228.0 | |
| 1988 | Shell Canada Limited | 234 | 208.0 | |
| 1988 | Chevron Canada Limited | 173 | 146.0 | |
| 1988 | Encana Corporation | 161 | 140.0 | |
| 1988 | Pembina Resources Limited | 158 | 153.0 | |
| 1988 | Repsol Oil & Gas Canada Inc. | 148 | 138.0 | |
| 1988 | Gulf Canada Limited | 145 | 142.0 | |
| 1988 | Anadarko Canada Corporation | 144 | 128.0 | |
| 1988 | Renaissance Energy Ltd. | 127 | 113.0 | |
| 1988 | Crestar Energy Inc. | 107 | 103.0 | |
| 1988 | 625894 Alberta Inc. | 90 | 74.0 | |
| 1988 | 652181 Alberta Ltd. | 81 | 79.0 | |
| 1988 | Dome Petroleum Ltd. | 80 | 79.0 | |
| 1988 | Enerplus Resources Corporation | 80 | 74.0 | |
| 1988 | Redwater Water Disposal Company Limited | 73 | 67.0 | |
| 1988 | Nexen Energy ULC | 61 | 50.0 | |
| 1988 | Suncor Energy Inc. | 61 | 55.0 | |
| 1988 | Encor Energy Corporation Inc. | 59 | 48.0 | |
| 1988 | Federated Pipe Lines Ltd. | 59 | 54.0 | |
| 1988 | ExxonMobil Canada Ltd. | 49 | 45.0 | |
| 1988 | Dorset Exploration Ltd. | 43 | 35.0 | |
| 1988 | Pembina Pipeline Corporation | 41 | 40.0 | |
| 1988 | Koch Exploration Canada, Ltd. | 39 | 33.0 | |
| 1988 | Rising Resources Ltd. | 39 | 34.0 | |
| 1988 | 177293 Canada Ltd. | 32 | 30.0 | |
| 1988 | Gulf Canada Resources Limited | 28 | 24.0 | |
| 1988 | Intensity Resources Ltd. | 28 | 15.0 | |
| 1988 | Koch Pipelines Ltd | 28 | 27.0 | |
| 1988 | ConocoPhillips Canada (BRC) Ltd. | 26 | 19.0 | |
| 1988 | Union Pacific Resources Inc. | 26 | 25.0 | |
| 1988 | Amax Petroleum Of Canada Inc. | 25 | 23.0 | |
| 1988 | Big Valley Energy Corporation | 25 | 24.0 | |
| 1988 | Chevron Canada Properties Limited | 25 | 22.0 | |
| 1988 | International Colin Energy Corporation | 25 | 24.0 | |
| 1988 | McColl-Frontenac Petroleum ULC | 23 | 21.0 | |
| 1988 | Great Plains Development Company Of Canada Ltd. | 20 | 15.0 | |
| 1988 | Husky Oil Ltd. | 20 | 16.0 | |
| 1988 | Battle Creek Developments Ltd. | 19 | 17.0 | |
| 1988 | Devon Canada Corporation | 18 | 17.0 | |
| 1988 | Pioneer Natural Resources Canada Inc. | 17 | 9.0 | |
| 1988 | Samson Resources Company | 17 | 14.0 | |
| 1988 | Canterra Energy Ltd. | 15 | 14.0 | |
| 1988 | Ranchmen's Resources Ltd. | 15 | 13.0 | |
| 1988 | Tesoro Petroleum Corporation | 15 | 12.0 | |
| 1988 | Devon NEC Corporation | 14 | 13.0 | |
| 1988 | Ulster Petroleums Ltd. | 14 | 11.0 | |
| 1988 | EOG Resources Canada Inc. | 13 | 12.0 | |
| 1988 | Enermark Inc. | 13 | 12.0 | |
| 1988 | Inverness Hydrocarbons Ltd. | 13 | 9.0 | |
| 1988 | Westcoast Petroleum (1985) Ltd. | 13 | 12.0 | |
| 1988 | Canadian Natural Resources Limited | 12 | 8.0 | |
| 1988 | Numac Oil & Gas | 12 | 9.0 | |
| 1988 | Canadian Roxy Petroleum Ltd. | 11 | 7.0 | |
| 1988 | Cigol International Ltd. | 11 | 9.0 | |
| 1988 | Morrison Petroleums Ltd. | 10 | 9.0 | |
| 1988 | Alberta Energy Company Ltd. | 9 | 8.0 | |
| 1988 | Coseka Resources Limited | 9 | 4.0 | |
| 1988 | Penn West Petroleum Acquisition Ltd. | 9 | 8.0 | |
| 1988 | Desoto Resources Limited | 8 | 4.0 | |
| 1988 | Alcon Petroleums Ltd. | 7 | 3.0 | |
| 1988 | Brae Canada Ltd. | 7 | 2.0 | |
| 1988 | Husky Oil Operations Ltd. | 7 | 3.0 | |
| 1988 | Bridges Energy Inc. | 6 | 5.0 | |
| 1988 | Calibre Energy Inc. | 6 | 4.0 | |
| 1988 | Gentra Energy Corporation | 6 | 4.0 | |
| 1988 | Harvard International Resources Ltd. | 6 | 3.0 | |
| 1988 | Alberta Eastern Gas Limited | 5 | 4.0 | |
| 1988 | Birchill Management Limited | 5 | 4.0 | |
| 1988 | Bumper Development Corporation Ltd. | 5 | 4.0 | |
| 1988 | Meekwap Pipe Line Ltd | 5 | 4.0 | |
| 1988 | Murphy Canada Exploration Company | 5 | 4.0 | |
| 1988 | Pride Energy Inc. | 5 | 4.0 | |
| 1988 | 2349507 Canada Inc. | 4 | 3.0 | |
| 1988 | 7246366 Canada Ltd. | 4 | 3.0 | |
| 1988 | Canadian Forest Oil Ltd. | 4 | 2.0 | |
| 1988 | Northwestern Utilities Limited | 4 | 3.0 | |
| 1988 | Transwest Energy Inc. | 4 | ||
| 1988 | Zoller & Danneberg Oil, Ltd. | 4 | ||
| 1988 | 562808 Alberta Ltd. | 3 | ||
| 1988 | Cabre Exploration Ltd. | 3 | 2.0 | |
| 1988 | Piute Petroleums Limited | 3 | 2.0 | |
| 1988 | The Rimoil Corporation | 3 | ||
| 1988 | Alberta Products Pipe Line Ltd | 2 | 1.0 | |
| 1988 | Calpine Canada Natural Gas Company | 2 | 1.0 | |
| 1988 | ConocoPhillips Canada Limited | 2 | 1.0 | |
| 1988 | Dekalb Petroleum Corporation | 2 | 1.0 | |
| 1988 | New York Oils Limited | 2 | 1.0 | |
| 1988 | Phillips Petroleum Company Western Hemisphere | 2 | 1.0 | |
| 1988 | Ranger Oil Limited | 2 | ||
| 1988 | 208650 Alberta Ltd. | 1 | ||
| 1988 | 377772 Alberta Ltd. | 1 | ||
| 1988 | Ausquacan Energy Limited | 1 | ||
| 1988 | Burlington Resources Canada (Hunter) Ltd. | 1 | ||
| 1988 | C. & D. Oil & Gas Ltd. | 1 | ||
| 1989 | BP Canada Energy Company | 1239 | 1106.0 | |
| 1989 | Imperial Oil Resources Limited | 791 | 726.0 | |
| 1989 | ExxonMobil Canada Energy | 648 | 540.0 | |
| 1989 | Petro-Canada | 419 | 385.0 | |
| 1989 | Home Oil Company Limited | 410 | 385.0 | |
| 1989 | Husky Oil Operations Limited | 346 | 315.0 | |
| 1989 | Shell Canada Limited | 254 | 234.0 | |
| 1989 | Imperial Oil Resources | 252 | 238.0 | |
| 1989 | Chevron Canada Limited | 191 | 173.0 | |
| 1989 | Encana Corporation | 188 | 161.0 | |
| 1989 | Pembina Resources Limited | 188 | 158.0 | |
| 1989 | Repsol Oil & Gas Canada Inc. | 160 | 148.0 | |
| 1989 | Anadarko Canada Corporation | 156 | 144.0 | |
| 1989 | Gulf Canada Limited | 153 | 145.0 | |
| 1989 | Renaissance Energy Ltd. | 144 | 127.0 | |
| 1989 | Crestar Energy Inc. | 123 | 107.0 | |
| 1989 | 625894 Alberta Inc. | 97 | 90.0 | |
| 1989 | 652181 Alberta Ltd. | 86 | 81.0 | |
| 1989 | Enerplus Resources Corporation | 86 | 80.0 | |
| 1989 | Dome Petroleum Ltd. | 81 | 80.0 | |
| 1989 | Redwater Water Disposal Company Limited | 75 | 73.0 | |
| 1989 | Nexen Energy ULC | 71 | 61.0 | |
| 1989 | Federated Pipe Lines Ltd. | 69 | 59.0 | |
| 1989 | Suncor Energy Inc. | 65 | 61.0 | |
| 1989 | Encor Energy Corporation Inc. | 61 | 59.0 | |
| 1989 | Dorset Exploration Ltd. | 47 | 43.0 | |
| 1989 | Rising Resources Ltd. | 46 | 39.0 | |
| 1989 | Koch Exploration Canada, Ltd. | 40 | 39.0 | |
| 1989 | 177293 Canada Ltd. | 33 | 32.0 | |
| 1989 | Koch Pipelines Ltd | 32 | 28.0 | |
| 1989 | Gulf Canada Resources Limited | 31 | 28.0 | |
| 1989 | Intensity Resources Ltd. | 30 | 28.0 | |
| 1989 | Bow River Pipe Lines Ltd | 29 | 28.0 | |
| 1989 | Rainbow Pipe Line Company Ulc | 29 | 27.0 | |
| 1989 | Big Valley Energy Corporation | 28 | 25.0 | |
| 1989 | ConocoPhillips Canada (BRC) Ltd. | 27 | 26.0 | |
| 1989 | Union Pacific Resources Inc. | 27 | 26.0 | |
| 1989 | Chevron Canada Properties Limited | 26 | 25.0 | |
| 1989 | Husky Oil Ltd. | 24 | 20.0 | |
| 1989 | McColl-Frontenac Petroleum ULC | 24 | 23.0 | |
| 1989 | Great Plains Development Company Of Canada Ltd. | 23 | 20.0 | |
| 1989 | Western Decalta Pete(1977)ltd | 23 | 22.0 | |
| 1989 | Devon Canada Corporation | 21 | 18.0 | |
| 1989 | Samson Resources Company | 19 | 17.0 | |
| 1989 | Ulster Petroleums Ltd. | 19 | 14.0 | |
| 1989 | Inverness Hydrocarbons Ltd. | 18 | 13.0 | |
| 1989 | Pioneer Natural Resources Canada Inc. | 18 | 17.0 | |
| 1989 | Tesoro Petroleum Corporation | 18 | 15.0 | |
| 1989 | Rio Alto Exploration Ltd. | 17 | 13.0 | |
| 1989 | Canterra Energy Ltd. | 16 | 15.0 | |
| 1989 | Coseka Resources Limited | 16 | 9.0 | |
| 1989 | Desoto Resources Limited | 15 | 8.0 | |
| 1989 | EOG Resources Canada Inc. | 14 | 13.0 | |
| 1989 | NS Industries Canada Limited | 14 | 6.0 | |
| 1989 | Numac Oil & Gas | 14 | 12.0 | |
| 1989 | Canadian Natural Resources Limited | 13 | 12.0 | |
| 1989 | Morrison Petroleums Ltd. | 13 | 10.0 | |
| 1989 | Alberta Energy Company Ltd. | 12 | 9.0 | |
| 1989 | Canadian Roxy Petroleum Ltd. | 12 | 11.0 | |
| 1989 | Cigol International Ltd. | 12 | 11.0 | |
| 1989 | Equis Energy Corp. | 11 | 10.0 | |
| 1989 | Vikor Resources Ltd. | 10 | 9.0 | |
| 1989 | Alcon Petroleums Ltd. | 9 | 7.0 | |
| 1989 | Encal Oil And Gas Ltd. | 9 | 7.0 | |
| 1989 | Brae Canada Ltd. | 8 | 7.0 | |
| 1989 | Canadian 88 Resources Inc. | 8 | 7.0 | |
| 1989 | Gentra Energy Corporation | 8 | 6.0 | |
| 1989 | Birchill Management Limited | 7 | 5.0 | |
| 1989 | Bluewater Oil & Gas Limited | 7 | 6.0 | |
| 1989 | 2349507 Canada Inc. | 6 | 4.0 | |
| 1989 | Murphy Canada Exploration Company | 6 | 5.0 | |
| 1989 | Zama Holdings Ltd | 6 | 4.0 | |
| 1989 | Gibson Energy ULC | 5 | 4.0 | |
| 1989 | Inter-Base Petroleum Ltd. | 5 | 3.0 | |
| 1989 | Northwestern Utilities Limited | 5 | 4.0 | |
| 1989 | Piute Petroleums Limited | 5 | 3.0 | |
| 1989 | Sarg Oils Ltd. | 5 | 4.0 | |
| 1989 | Vintage Resource Corp. | 5 | 3.0 | |
| 1989 | Zoller & Danneberg Oil, Ltd. | 5 | 4.0 | |
| 1989 | Cabre Exploration Ltd. | 4 | 3.0 | |
| 1989 | Penn West Canadian Fuel Ltd. | 4 | 3.0 | |
| 1989 | Prairie Oil Royalties Limited | 4 | 1.0 | |
| 1989 | Alberta Products Pipe Line Ltd | 3 | 2.0 | |
| 1989 | Baloil Resources Ltd. | 3 | 2.0 | |
| 1989 | ConocoPhillips Canada Limited | 3 | 2.0 | |
| 1989 | PGE Resource Corporation | 3 | ||
| 1989 | Consolidated Norex Res Corp | 2 | 1.0 | |
| 1989 | 1333002 Alberta Ltd. | 1 | ||
| 1989 | Cimarron Petroleum Ltd. | 1 | ||
| 1989 | Czar Resources Ltd. | 1 | ||
| 1989 | Devon Aog Corporation | 1 | ||
| 1989 | Inuvialuit Petroleum Corporation | 1 | ||
| 1989 | Newalta Corporation | 1 | ||
| 1989 | North Canadian Oils Limited | 1 | ||
| 1989 | Rife Resources Ltd. | 1 | ||
| 1989 | Ryerson Oil and Gas Limited | 1 | ||
| 1989 | Skelly Oil Co. | 1 | ||
| 1989 | Trans World Oil & Gas Ltd | 1 | ||
| 1989 | Truax Resources Corporation | 1 | ||
| 1990 | BP Canada Energy Company | 1409 | 1239.0 | |
| 1990 | Imperial Oil Resources Limited | 862 | 791.0 | |
| 1990 | ExxonMobil Canada Energy | 751 | 648.0 | |
| 1990 | Petro-Canada | 440 | 419.0 | |
| 1990 | Home Oil Company Limited | 432 | 410.0 | |
| 1990 | Husky Oil Operations Limited | 372 | 346.0 | |
| 1990 | Shell Canada Limited | 269 | 254.0 | |
| 1990 | Imperial Oil Resources | 268 | 252.0 | |
| 1990 | Encana Corporation | 223 | 188.0 | |
| 1990 | Pembina Resources Limited | 208 | 188.0 | |
| 1990 | Chevron Canada Limited | 205 | 191.0 | |
| 1990 | Repsol Oil & Gas Canada Inc. | 172 | 160.0 | |
| 1990 | Gulf Canada Limited | 168 | 153.0 | |
| 1990 | Anadarko Canada Corporation | 161 | 156.0 | |
| 1990 | Renaissance Energy Ltd. | 155 | 144.0 | |
| 1990 | Crestar Energy Inc. | 133 | 123.0 | |
| 1990 | 625894 Alberta Inc. | 108 | 97.0 | |
| 1990 | 652181 Alberta Ltd. | 90 | 86.0 | |
| 1990 | Enerplus Resources Corporation | 90 | 86.0 | |
| 1990 | Nexen Energy ULC | 82 | 71.0 | |
| 1990 | Redwater Water Disposal Company Limited | 80 | 75.0 | |
| 1990 | Federated Pipe Lines Ltd. | 74 | 69.0 | |
| 1990 | Suncor Energy Inc. | 69 | 65.0 | |
| 1990 | Rising Resources Ltd. | 53 | 46.0 | |
| 1990 | Dorset Exploration Ltd. | 51 | 47.0 | |
| 1990 | ExxonMobil Canada Ltd. | 51 | 49.0 | |
| 1990 | Koch Exploration Canada, Ltd. | 50 | 40.0 | |
| 1990 | Pembina Pipeline Corporation | 43 | 41.0 | |
| 1990 | Comaplex Resources International Ltd. | 35 | 34.0 | |
| 1990 | 177293 Canada Ltd. | 34 | 33.0 | |
| 1990 | ConocoPhillips Canada (BRC) Ltd. | 33 | 27.0 | |
| 1990 | Gulf Canada Resources Limited | 33 | 31.0 | |
| 1990 | Koch Pipelines Ltd | 33 | 32.0 | |
| 1990 | Intensity Resources Ltd. | 32 | 30.0 | |
| 1990 | Big Valley Energy Corporation | 31 | 28.0 | |
| 1990 | Chevron Canada Properties Limited | 31 | 26.0 | |
| 1990 | Bow River Pipe Lines Ltd | 30 | 29.0 | |
| 1990 | Husky Oil Ltd. | 27 | 24.0 | |
| 1990 | International Colin Energy Corporation | 26 | 25.0 | |
| 1990 | McColl-Frontenac Petroleum ULC | 26 | 24.0 | |
| 1990 | Devon Canada Corporation | 25 | 21.0 | |
| 1990 | Pioneer Natural Resources Canada Inc. | 23 | 18.0 | |
| 1990 | Ulster Petroleums Ltd. | 23 | 19.0 | |
| 1990 | Inverness Hydrocarbons Ltd. | 22 | 18.0 | |
| 1990 | Barcomp Petroleum Ltd. | 21 | 18.0 | |
| 1990 | Battle Creek Developments Ltd. | 20 | 19.0 | |
| 1990 | Enermark Inc. | 19 | 13.0 | |
| 1990 | Canadian Roxy Petroleum Ltd. | 18 | 12.0 | |
| 1990 | Coseka Resources Limited | 18 | 16.0 | |
| 1990 | EOG Resources Canada Inc. | 16 | 14.0 | |
| 1990 | Morrison Petroleums Ltd. | 16 | 13.0 | |
| 1990 | Ranchmen's Resources Ltd. | 16 | 15.0 | |
| 1990 | Devon NEC Corporation | 15 | 14.0 | |
| 1990 | Numac Oil & Gas | 15 | 14.0 | |
| 1990 | Westcoast Petroleum (1985) Ltd. | 14 | 13.0 | |
| 1990 | Cigol International Ltd. | 13 | 12.0 | |
| 1990 | Encal Oil And Gas Ltd. | 11 | 9.0 | |
| 1990 | Gentra Energy Corporation | 11 | 8.0 | |
| 1990 | Penn West Petroleum Acquisition Ltd. | 10 | 9.0 | |
| 1990 | Alberta Eastern Gas Limited | 7 | 5.0 | |
| 1990 | Barnwell of Canada, Limited | 7 | 4.0 | |
| 1990 | Inter-Base Petroleum Ltd. | 7 | 5.0 | |
| 1990 | Meekwap Pipe Line Ltd | 7 | 5.0 | |
| 1990 | Murphy Canada Exploration Company | 7 | 6.0 | |
| 1990 | Bearspaw Petroleum Ltd. | 6 | 5.0 | |
| 1990 | Canadian Forest Oil Ltd. | 6 | 4.0 | |
| 1990 | Cwcp Resources Inc. | 6 | 5.0 | |
| 1990 | Gibson Energy ULC | 6 | 5.0 | |
| 1990 | Halvar Resources Ltd. | 6 | ||
| 1990 | South Alberta Energy Corp. | 6 | 3.0 | |
| 1990 | Tiverton Petroleums Ltd. | 6 | 5.0 | |
| 1990 | 529979 Alberta Limited | 5 | 4.0 | |
| 1990 | Consolidated Norex Res Corp | 4 | 2.0 | |
| 1990 | Ausquacan Energy Limited | 3 | 1.0 | |
| 1990 | Oakwood Petroleums Ltd. | 3 | 2.0 | |
| 1990 | 1208058 Alberta Ltd. | 2 | 1.0 | |
| 1990 | British-Borneo Oil & Gas Canada Limited | 2 | ||
| 1990 | C. & D. Oil & Gas Ltd. | 2 | 1.0 | |
| 1990 | Jarrod Oils Ltd. | 2 | 1.0 | |
| 1990 | Merit Chinook Ltd. | 2 | ||
| 1990 | Morgan Hydrocarbons Inc. | 2 | ||
| 1990 | Norpet Resources Limited | 2 | ||
| 1990 | Pensionfund Energy Resources Limited | 2 | 1.0 | |
| 1990 | Prairie Mines & Royalty ULC | 2 | 1.0 | |
| 1990 | Prophet Petroleums Ltd. | 2 | ||
| 1990 | Rimbey Pipe Line Co. Ltd. | 2 | 1.0 | |
| 1990 | Wintershall Canada Ltd. | 2 | 1.0 | |
| 1990 | Casa Oil Ltd. | 1 | ||
| 1990 | Compton Oil & Gas Corporation | 1 | ||
| 1990 | Glen Isle Exploration Ltd. | 1 | ||
| 1990 | Mag Tec Industries Inc. | 1 | ||
| 1990 | Mannville Oil & Gas Ltd. | 1 | ||
| 1990 | Olympia Energy Ventures Ltd. | 1 | ||
| 1990 | Pembina Energy Inc. | 1 | ||
| 1990 | Signalta Resources Limited | 1 | ||
| 1990 | Tercero Resources Company | 1 | ||
| 1990 | Trilogy Resource Corporation | 1 | ||
| 1991 | BP Canada Energy Company | 1504 | 1409.0 | |
| 1991 | Imperial Oil Resources Limited | 927 | 862.0 | |
| 1991 | ExxonMobil Canada Energy | 828 | 751.0 | |
| 1991 | Petro-Canada | 460 | 440.0 | |
| 1991 | Home Oil Company Limited | 445 | 432.0 | |
| 1991 | Husky Oil Operations Limited | 401 | 372.0 | |
| 1991 | Shell Canada Limited | 284 | 269.0 | |
| 1991 | Imperial Oil Resources | 273 | 268.0 | |
| 1991 | Encana Corporation | 267 | 223.0 | |
| 1991 | Chevron Canada Limited | 225 | 205.0 | |
| 1991 | Pembina Resources Limited | 224 | 208.0 | |
| 1991 | Repsol Oil & Gas Canada Inc. | 190 | 172.0 | |
| 1991 | Renaissance Energy Ltd. | 186 | 155.0 | |
| 1991 | Gulf Canada Limited | 176 | 168.0 | |
| 1991 | Anadarko Canada Corporation | 175 | 161.0 | |
| 1991 | Crestar Energy Inc. | 145 | 133.0 | |
| 1991 | 625894 Alberta Inc. | 118 | 108.0 | |
| 1991 | Enerplus Resources Corporation | 96 | 90.0 | |
| 1991 | 652181 Alberta Ltd. | 93 | 90.0 | |
| 1991 | Nexen Energy ULC | 86 | 82.0 | |
| 1991 | Redwater Water Disposal Company Limited | 84 | 80.0 | |
| 1991 | Federated Pipe Lines Ltd. | 77 | 74.0 | |
| 1991 | Suncor Energy Inc. | 75 | 69.0 | |
| 1991 | Encor Energy Corporation Inc. | 63 | 61.0 | |
| 1991 | Rising Resources Ltd. | 63 | 53.0 | |
| 1991 | Koch Exploration Canada, Ltd. | 59 | 50.0 | |
| 1991 | Dorset Exploration Ltd. | 53 | 51.0 | |
| 1991 | Pembina Pipeline Corporation | 44 | 43.0 | |
| 1991 | 177293 Canada Ltd. | 37 | 34.0 | |
| 1991 | ConocoPhillips Canada (BRC) Ltd. | 35 | 33.0 | |
| 1991 | Koch Pipelines Ltd | 35 | 33.0 | |
| 1991 | Chevron Canada Properties Limited | 34 | 31.0 | |
| 1991 | Gulf Canada Resources Limited | 34 | 33.0 | |
| 1991 | Bow River Pipe Lines Ltd | 33 | 30.0 | |
| 1991 | Intensity Resources Ltd. | 33 | 32.0 | |
| 1991 | Big Valley Energy Corporation | 32 | 31.0 | |
| 1991 | Husky Oil Ltd. | 32 | 27.0 | |
| 1991 | Pioneer Natural Resources Canada Inc. | 32 | 23.0 | |
| 1991 | Rainbow Pipe Line Company Ulc | 30 | 29.0 | |
| 1991 | Devon Canada Corporation | 29 | 25.0 | |
| 1991 | McColl-Frontenac Petroleum ULC | 29 | 26.0 | |
| 1991 | Enermark Inc. | 27 | 19.0 | |
| 1991 | International Colin Energy Corporation | 27 | 26.0 | |
| 1991 | Inverness Hydrocarbons Ltd. | 27 | 22.0 | |
| 1991 | Ulster Petroleums Ltd. | 26 | 23.0 | |
| 1991 | Great Plains Development Company Of Canada Ltd. | 25 | 23.0 | |
| 1991 | Coseka Resources Limited | 22 | 18.0 | |
| 1991 | Murphy Oil Company Ltd. | 20 | 19.0 | |
| 1991 | Rio Alto Exploration Ltd. | 20 | 17.0 | |
| 1991 | Tesoro Petroleum Corporation | 20 | 18.0 | |
| 1991 | Canadian Roxy Petroleum Ltd. | 19 | 18.0 | |
| 1991 | Morrison Petroleums Ltd. | 19 | 16.0 | |
| 1991 | Taku Gas Limited | 18 | 14.0 | |
| 1991 | NS Industries Canada Limited | 17 | 14.0 | |
| 1991 | Numac Oil & Gas | 17 | 15.0 | |
| 1991 | Ranchmen's Resources Ltd. | 17 | 16.0 | |
| 1991 | 2349507 Canada Inc. | 15 | 6.0 | |
| 1991 | Alcon Petroleums Ltd. | 15 | 9.0 | |
| 1991 | Canadian Natural Resources Limited | 14 | 13.0 | |
| 1991 | Cigol International Ltd. | 14 | 13.0 | |
| 1991 | Penn West Petroleum Acquisition Ltd. | 13 | 10.0 | |
| 1991 | Vikor Resources Ltd. | 13 | 10.0 | |
| 1991 | Encal Oil And Gas Ltd. | 12 | 11.0 | |
| 1991 | Gentra Energy Corporation | 12 | 11.0 | |
| 1991 | Inter-Base Petroleum Ltd. | 10 | 7.0 | |
| 1991 | Petrol Properties Ltd. | 10 | 8.0 | |
| 1991 | Canadian 88 Resources Inc. | 9 | 8.0 | |
| 1991 | Cabre Exploration Ltd. | 8 | 4.0 | |
| 1991 | Calgary Crude Oil Limited | 8 | 7.0 | |
| 1991 | Harvard International Resources Ltd. | 8 | 6.0 | |
| 1991 | Piute Petroleums Limited | 8 | 5.0 | |
| 1991 | Bearspaw Petroleum Ltd. | 7 | 6.0 | |
| 1991 | Canadian Forest Oil Ltd. | 7 | 6.0 | |
| 1991 | Gibson Energy ULC | 7 | 6.0 | |
| 1991 | South Alberta Energy Corp. | 7 | 6.0 | |
| 1991 | Ausquacan Energy Limited | 6 | 3.0 | |
| 1991 | Hamilton Brothers Canadian Gas Company Ltd. | 6 | 2.0 | |
| 1991 | 7246366 Canada Ltd. | 5 | 4.0 | |
| 1991 | Acanthus Resources Ltd. | 5 | 4.0 | |
| 1991 | British-Borneo Oil & Gas Canada Limited | 5 | 2.0 | |
| 1991 | ConocoPhillips Canada Limited | 5 | 3.0 | |
| 1991 | ConocoPhillips Canada Resources Corp. | 5 | 3.0 | |
| 1991 | Norwest Oil & Gas Corp. | 4 | 1.0 | |
| 1991 | Pennzoil Petroleums Ltd. | 4 | 3.0 | |
| 1991 | 1333002 Alberta Ltd. | 3 | 1.0 | |
| 1991 | 208650 Alberta Ltd. | 3 | 1.0 | |
| 1991 | Nova Corporation Of Alberta | 3 | 2.0 | |
| 1991 | Ranger Oil Limited | 3 | 2.0 | |
| 1991 | Tercero Resources Company | 3 | 1.0 | |
| 1991 | Casa Oil Ltd. | 2 | 1.0 | |
| 1991 | Compton Oil & Gas Corporation | 2 | 1.0 | |
| 1991 | Lasmo Exploration(canada)ltd. | 2 | 1.0 | |
| 1991 | Pure Oil & Gas Co Ltd | 2 | ||
| 1991 | Rio Alto Energy Ltd. | 2 | ||
| 1991 | Signalta Resources Limited | 2 | 1.0 | |
| 1991 | Altex Resources Ltd. | 1 | ||
| 1991 | C & T Resources Ltd | 1 | ||
| 1991 | Cavalier Energy Limited | 1 | ||
| 1991 | Eagle Resources Ltd. | 1 | ||
| 1991 | Excel Energy Inc. | 1 | ||
| 1992 | BP Canada Energy Company | 1597 | 1504.0 | |
| 1992 | Imperial Oil Resources Limited | 995 | 927.0 | |
| 1992 | ExxonMobil Canada Energy | 882 | 828.0 | |
| 1992 | Petro-Canada | 490 | 460.0 | |
| 1992 | Home Oil Company Limited | 458 | 445.0 | |
| 1992 | Husky Oil Operations Limited | 426 | 401.0 | |
| 1992 | Shell Canada Limited | 305 | 284.0 | |
| 1992 | Encana Corporation | 301 | 267.0 | |
| 1992 | Imperial Oil Resources | 283 | 273.0 | |
| 1992 | Chevron Canada Limited | 237 | 225.0 | |
| 1992 | Pembina Resources Limited | 237 | 224.0 | |
| 1992 | Renaissance Energy Ltd. | 235 | 186.0 | |
| 1992 | Repsol Oil & Gas Canada Inc. | 206 | 190.0 | |
| 1992 | Anadarko Canada Corporation | 185 | 175.0 | |
| 1992 | Gulf Canada Limited | 180 | 176.0 | |
| 1992 | Crestar Energy Inc. | 157 | 145.0 | |
| 1992 | 625894 Alberta Inc. | 130 | 118.0 | |
| 1992 | 652181 Alberta Ltd. | 94 | 93.0 | |
| 1992 | Nexen Energy ULC | 93 | 86.0 | |
| 1992 | Redwater Water Disposal Company Limited | 88 | 84.0 | |
| 1992 | Federated Pipe Lines Ltd. | 83 | 77.0 | |
| 1992 | Suncor Energy Inc. | 77 | 75.0 | |
| 1992 | Rising Resources Ltd. | 74 | 63.0 | |
| 1992 | Koch Exploration Canada, Ltd. | 64 | 59.0 | |
| 1992 | Dorset Exploration Ltd. | 57 | 53.0 | |
| 1992 | Pembina Pipeline Corporation | 45 | 44.0 | |
| 1992 | 177293 Canada Ltd. | 39 | 37.0 | |
| 1992 | Big Valley Energy Corporation | 37 | 32.0 | |
| 1992 | Chevron Canada Properties Limited | 37 | 34.0 | |
| 1992 | Comaplex Resources International Ltd. | 36 | 35.0 | |
| 1992 | Inverness Hydrocarbons Ltd. | 36 | 27.0 | |
| 1992 | Bow River Pipe Lines Ltd | 35 | 33.0 | |
| 1992 | Gulf Canada Resources Limited | 35 | 34.0 | |
| 1992 | Husky Oil Ltd. | 34 | 32.0 | |
| 1992 | Pioneer Natural Resources Canada Inc. | 34 | 32.0 | |
| 1992 | Ulster Petroleums Ltd. | 34 | 26.0 | |
| 1992 | McColl-Frontenac Petroleum ULC | 33 | 29.0 | |
| 1992 | Rainbow Pipe Line Company Ulc | 32 | 30.0 | |
| 1992 | Devon Canada Corporation | 31 | 29.0 | |
| 1992 | International Colin Energy Corporation | 30 | 27.0 | |
| 1992 | Enermark Inc. | 29 | 27.0 | |
| 1992 | Great Plains Development Company Of Canada Ltd. | 27 | 25.0 | |
| 1992 | Coseka Resources Limited | 26 | 22.0 | |
| 1992 | Morrison Petroleums Ltd. | 24 | 19.0 | |
| 1992 | Tesoro Petroleum Corporation | 24 | 20.0 | |
| 1992 | NS Industries Canada Limited | 22 | 17.0 | |
| 1992 | Battle Creek Developments Ltd. | 21 | 20.0 | |
| 1992 | Canadian Roxy Petroleum Ltd. | 21 | 19.0 | |
| 1992 | Murphy Oil Company Ltd. | 21 | 20.0 | |
| 1992 | Samson Resources Company | 20 | 19.0 | |
| 1992 | Ranchmen's Resources Ltd. | 19 | 17.0 | |
| 1992 | 2349507 Canada Inc. | 18 | 15.0 | |
| 1992 | Numac Oil & Gas | 18 | 17.0 | |
| 1992 | Canadian Natural Resources Limited | 17 | 14.0 | |
| 1992 | EOG Resources Canada Inc. | 17 | 16.0 | |
| 1992 | Alcon Petroleums Ltd. | 16 | 15.0 | |
| 1992 | Desoto Resources Limited | 16 | 15.0 | |
| 1992 | Devon NEC Corporation | 16 | 15.0 | |
| 1992 | Cigol International Ltd. | 15 | 14.0 | |
| 1992 | Westcoast Petroleum (1985) Ltd. | 15 | 14.0 | |
| 1992 | Canadian 88 Resources Inc. | 12 | 9.0 | |
| 1992 | Birchill Management Limited | 11 | 7.0 | |
| 1992 | Petrol Properties Ltd. | 11 | 10.0 | |
| 1992 | Keles Production Company Ltd. | 10 | 7.0 | |
| 1992 | Brae Canada Ltd. | 9 | 8.0 | |
| 1992 | Cabre Exploration Ltd. | 9 | 8.0 | |
| 1992 | British-Borneo Oil & Gas Canada Limited | 8 | 5.0 | |
| 1992 | Meekwap Pipe Line Ltd | 8 | 7.0 | |
| 1992 | Tiverton Petroleums Ltd. | 8 | 6.0 | |
| 1992 | ConocoPhillips Canada Limited | 7 | 5.0 | |
| 1992 | Skye Resources Ltd. | 7 | 4.0 | |
| 1992 | Zoller & Danneberg Oil, Ltd. | 7 | 5.0 | |
| 1992 | 529979 Alberta Limited | 6 | 5.0 | |
| 1992 | Prairie Oil Royalties Limited | 6 | 4.0 | |
| 1992 | Vintage Resource Corp. | 6 | 5.0 | |
| 1992 | Norwest Oil & Gas Corp. | 5 | 4.0 | |
| 1992 | 1333002 Alberta Ltd. | 4 | 3.0 | |
| 1992 | Altex Resources Ltd. | 4 | 1.0 | |
| 1992 | Burlington Resources Canada (Hunter) Ltd. | 4 | 1.0 | |
| 1992 | Mitchell & Associates Ltd. | 4 | 2.0 | |
| 1992 | Camberly Energy Ltd. | 3 | ||
| 1992 | Casa Oil Ltd. | 3 | 2.0 | |
| 1992 | Causeway Energy Corporation | 3 | 1.0 | |
| 1992 | D & R Oils Ltd. | 3 | 2.0 | |
| 1992 | Jarrod Oils Ltd. | 3 | 2.0 | |
| 1992 | Lario Oil & Gas Company | 3 | 1.0 | |
| 1992 | Lasmo Exploration(canada)ltd. | 3 | 2.0 | |
| 1992 | Petrorep (Canada) Ltd. | 3 | ||
| 1992 | Samedan Oil Of Canada, Inc. | 3 | 2.0 | |
| 1992 | Czar Resources Ltd. | 2 | 1.0 | |
| 1992 | Eagle Resources Ltd. | 2 | 1.0 | |
| 1992 | Inverness Energy Ltd. | 2 | ||
| 1992 | Lateral Vector Resources Inc. | 2 | ||
| 1992 | Omega Hydrocarbons Ltd. | 2 | ||
| 1992 | Rife Resources Ltd. | 2 | 1.0 | |
| 1992 | Summit Resources Limited | 2 | ||
| 1992 | City Of Medicine Hat | 1 | ||
| 1992 | Obsidian Energy Ltd. | 1 | ||
| 1992 | Reel Resources Ltd. | 1 | ||
| 1992 | Verlin Resources Ltd. | 1 | ||
| 1993 | BP Canada Energy Company | 1672 | 1597.0 | |
| 1993 | Imperial Oil Resources Limited | 1047 | 995.0 | |
| 1993 | ExxonMobil Canada Energy | 926 | 882.0 | |
| 1993 | Petro-Canada | 511 | 490.0 | |
| 1993 | Home Oil Company Limited | 468 | 458.0 | |
| 1993 | Husky Oil Operations Limited | 448 | 426.0 | |
| 1993 | Encana Corporation | 344 | 301.0 | |
| 1993 | Shell Canada Limited | 335 | 305.0 | |
| 1993 | Imperial Oil Resources | 288 | 283.0 | |
| 1993 | Renaissance Energy Ltd. | 271 | 235.0 | |
| 1993 | Chevron Canada Limited | 256 | 237.0 | |
| 1993 | Pembina Resources Limited | 250 | 237.0 | |
| 1993 | Repsol Oil & Gas Canada Inc. | 220 | 206.0 | |
| 1993 | Anadarko Canada Corporation | 197 | 185.0 | |
| 1993 | Gulf Canada Limited | 183 | 180.0 | |
| 1993 | Crestar Energy Inc. | 168 | 157.0 | |
| 1993 | 625894 Alberta Inc. | 141 | 130.0 | |
| 1993 | Nexen Energy ULC | 97 | 93.0 | |
| 1993 | Federated Pipe Lines Ltd. | 96 | 83.0 | |
| 1993 | Redwater Water Disposal Company Limited | 96 | 88.0 | |
| 1993 | Rising Resources Ltd. | 81 | 74.0 | |
| 1993 | Koch Exploration Canada, Ltd. | 70 | 64.0 | |
| 1993 | Dorset Exploration Ltd. | 61 | 57.0 | |
| 1993 | ExxonMobil Canada Ltd. | 52 | 51.0 | |
| 1993 | Pembina Pipeline Corporation | 50 | 45.0 | |
| 1993 | Big Valley Energy Corporation | 48 | 37.0 | |
| 1993 | McColl-Frontenac Petroleum ULC | 46 | 33.0 | |
| 1993 | Pioneer Natural Resources Canada Inc. | 43 | 34.0 | |
| 1993 | 177293 Canada Ltd. | 41 | 39.0 | |
| 1993 | Koch Pipelines Ltd | 39 | 35.0 | |
| 1993 | Chevron Canada Properties Limited | 38 | 37.0 | |
| 1993 | Ulster Petroleums Ltd. | 38 | 34.0 | |
| 1993 | Comaplex Resources International Ltd. | 37 | 36.0 | |
| 1993 | ConocoPhillips Canada (BRC) Ltd. | 37 | 35.0 | |
| 1993 | Gulf Canada Resources Limited | 37 | 35.0 | |
| 1993 | Inverness Hydrocarbons Ltd. | 37 | 36.0 | |
| 1993 | Bow River Pipe Lines Ltd | 36 | 35.0 | |
| 1993 | Rainbow Pipe Line Company Ulc | 36 | 32.0 | |
| 1993 | Intensity Resources Ltd. | 35 | 33.0 | |
| 1993 | Amax Petroleum Of Canada Inc. | 32 | 25.0 | |
| 1993 | Coseka Resources Limited | 32 | 26.0 | |
| 1993 | International Colin Energy Corporation | 31 | 30.0 | |
| 1993 | Enermark Inc. | 30 | 29.0 | |
| 1993 | Morrison Petroleums Ltd. | 30 | 24.0 | |
| 1993 | Tesoro Petroleum Corporation | 27 | 24.0 | |
| 1993 | NS Industries Canada Limited | 25 | 22.0 | |
| 1993 | Numac Oil & Gas | 24 | 18.0 | |
| 1993 | Canadian Roxy Petroleum Ltd. | 22 | 21.0 | |
| 1993 | Murphy Oil Company Ltd. | 22 | 21.0 | |
| 1993 | Rio Alto Exploration Ltd. | 21 | 20.0 | |
| 1993 | Samson Resources Company | 21 | 20.0 | |
| 1993 | Ranchmen's Resources Ltd. | 20 | 19.0 | |
| 1993 | 2349507 Canada Inc. | 19 | 18.0 | |
| 1993 | Cigol International Ltd. | 17 | 15.0 | |
| 1993 | Gentra Energy Corporation | 16 | 12.0 | |
| 1993 | Birchill Management Limited | 13 | 11.0 | |
| 1993 | Canadian 88 Resources Inc. | 13 | 12.0 | |
| 1993 | Inter-Base Petroleum Ltd. | 12 | 10.0 | |
| 1993 | Altex Resources Ltd. | 11 | 4.0 | |
| 1993 | British-Borneo Oil & Gas Canada Limited | 11 | 8.0 | |
| 1993 | Keles Production Company Ltd. | 11 | 10.0 | |
| 1993 | Barrington Petroleum Ltd. | 10 | 8.0 | |
| 1993 | Harvard International Resources Ltd. | 9 | 8.0 | |
| 1993 | Bearspaw Petroleum Ltd. | 8 | 7.0 | |
| 1993 | ConocoPhillips Canada Limited | 8 | 7.0 | |
| 1993 | Calibre Energy Inc. | 7 | 6.0 | |
| 1993 | Hamilton Brothers Canadian Gas Company Ltd. | 7 | 6.0 | |
| 1993 | Vintage Resource Corp. | 7 | 6.0 | |
| 1993 | ConocoPhillips Canada Resources Corp. | 6 | 5.0 | |
| 1993 | Devon Aog Corporation | 5 | 1.0 | |
| 1993 | Petrorep (Canada) Ltd. | 5 | 3.0 | |
| 1993 | BHP Billiton (Trinidad-East Coast) Ltd. | 4 | 2.0 | |
| 1993 | Casa Oil Ltd. | 4 | 3.0 | |
| 1993 | D & R Oils Ltd. | 4 | 3.0 | |
| 1993 | Lario Oil & Gas Company | 4 | 3.0 | |
| 1993 | New York Oils Limited | 4 | 2.0 | |
| 1993 | Oakwood Petroleums Ltd. | 4 | 3.0 | |
| 1993 | Summit Resources Limited | 4 | 2.0 | |
| 1993 | Czar Resources Ltd. | 3 | 2.0 | |
| 1993 | Inverness Energy Ltd. | 3 | 2.0 | |
| 1993 | Midcon Oil & Gas Limited | 3 | ||
| 1993 | Morgan Hydrocarbons Inc. | 3 | 2.0 | |
| 1993 | Omega Hydrocarbons Ltd. | 3 | 2.0 | |
| 1993 | Alberta Oil Sands Pipeline Ltd. | 2 | 1.0 | |
| 1993 | Excel Energy Inc. | 2 | 1.0 | |
| 1993 | Mannville Oil & Gas Ltd. | 2 | 1.0 | |
| 1993 | Mission Resources Limited | 2 | ||
| 1993 | Newalta Corporation | 2 | 1.0 | |
| 1993 | North Canadian Oils Limited | 2 | 1.0 | |
| 1993 | Obsidian Energy Ltd. | 2 | 1.0 | |
| 1993 | Tripet Resources Limited | 2 | 1.0 | |
| 1993 | Truax Resources Corporation | 2 | 1.0 | |
| 1993 | Universal Explorations Ltd. | 2 | 1.0 | |
| 1993 | CS Resources Limited | 1 | ||
| 1993 | Comrey Resources Inc. | 1 | ||
| 1993 | Hillcrest Resources Ltd. | 1 | ||
| 1993 | Marathon Canada Limited | 1 | ||
| 1993 | Startech Energy Inc. | 1 | ||
| 1994 | BP Canada Energy Company | 1783 | 1672.0 | |
| 1994 | Imperial Oil Resources Limited | 1085 | 1047.0 | |
| 1994 | ExxonMobil Canada Energy | 961 | 926.0 | |
| 1994 | Petro-Canada | 530 | 511.0 | |
| 1994 | Home Oil Company Limited | 491 | 468.0 | |
| 1994 | Husky Oil Operations Limited | 475 | 448.0 | |
| 1994 | Encana Corporation | 408 | 344.0 | |
| 1994 | Shell Canada Limited | 358 | 335.0 | |
| 1994 | Renaissance Energy Ltd. | 318 | 271.0 | |
| 1994 | Imperial Oil Resources | 295 | 288.0 | |
| 1994 | Chevron Canada Limited | 273 | 256.0 | |
| 1994 | Pembina Resources Limited | 255 | 250.0 | |
| 1994 | Repsol Oil & Gas Canada Inc. | 231 | 220.0 | |
| 1994 | Anadarko Canada Corporation | 206 | 197.0 | |
| 1994 | Gulf Canada Limited | 185 | 183.0 | |
| 1994 | Crestar Energy Inc. | 184 | 168.0 | |
| 1994 | 625894 Alberta Inc. | 144 | 141.0 | |
| 1994 | Nexen Energy ULC | 103 | 97.0 | |
| 1994 | Redwater Water Disposal Company Limited | 102 | 96.0 | |
| 1994 | Federated Pipe Lines Ltd. | 98 | 96.0 | |
| 1994 | Enerplus Resources Corporation | 97 | 96.0 | |
| 1994 | 652181 Alberta Ltd. | 96 | 94.0 | |
| 1994 | Rising Resources Ltd. | 85 | 81.0 | |
| 1994 | Suncor Energy Inc. | 82 | 77.0 | |
| 1994 | Koch Exploration Canada, Ltd. | 73 | 70.0 | |
| 1994 | Encor Energy Corporation Inc. | 65 | 63.0 | |
| 1994 | Dorset Exploration Ltd. | 62 | 61.0 | |
| 1994 | Big Valley Energy Corporation | 53 | 48.0 | |
| 1994 | ExxonMobil Canada Ltd. | 53 | 52.0 | |
| 1994 | Pioneer Natural Resources Canada Inc. | 47 | 43.0 | |
| 1994 | 177293 Canada Ltd. | 44 | 41.0 | |
| 1994 | Bow River Pipe Lines Ltd | 44 | 36.0 | |
| 1994 | Ulster Petroleums Ltd. | 41 | 38.0 | |
| 1994 | Gulf Canada Resources Limited | 39 | 37.0 | |
| 1994 | Comaplex Resources International Ltd. | 38 | 37.0 | |
| 1994 | ConocoPhillips Canada (BRC) Ltd. | 38 | 37.0 | |
| 1994 | Inverness Hydrocarbons Ltd. | 38 | 37.0 | |
| 1994 | Intensity Resources Ltd. | 37 | 35.0 | |
| 1994 | Morrison Petroleums Ltd. | 37 | 30.0 | |
| 1994 | Amax Petroleum Of Canada Inc. | 36 | 32.0 | |
| 1994 | Husky Oil Ltd. | 35 | 34.0 | |
| 1994 | NS Industries Canada Limited | 32 | 25.0 | |
| 1994 | Enermark Inc. | 31 | 30.0 | |
| 1994 | Tesoro Petroleum Corporation | 31 | 27.0 | |
| 1994 | Numac Oil & Gas | 25 | 24.0 | |
| 1994 | Samson Resources Company | 25 | 21.0 | |
| 1994 | Ranchmen's Resources Ltd. | 24 | 20.0 | |
| 1994 | Murphy Oil Company Ltd. | 23 | 22.0 | |
| 1994 | 2349507 Canada Inc. | 21 | 19.0 | |
| 1994 | Gentra Energy Corporation | 21 | 16.0 | |
| 1994 | Cigol International Ltd. | 19 | 17.0 | |
| 1994 | Canadian Natural Resources Limited | 18 | 17.0 | |
| 1994 | EOG Resources Canada Inc. | 18 | 17.0 | |
| 1994 | Alberta Energy Company Ltd. | 15 | 12.0 | |
| 1994 | Birchill Management Limited | 15 | 13.0 | |
| 1994 | British-Borneo Oil & Gas Canada Limited | 15 | 11.0 | |
| 1994 | Encal Oil And Gas Ltd. | 15 | 12.0 | |
| 1994 | Inter-Base Petroleum Ltd. | 13 | 12.0 | |
| 1994 | Ausquacan Energy Limited | 11 | 6.0 | |
| 1994 | Barrington Petroleum Ltd. | 11 | 10.0 | |
| 1994 | Cabre Exploration Ltd. | 11 | 9.0 | |
| 1994 | ConocoPhillips Canada Limited | 11 | 8.0 | |
| 1994 | Bluewater Oil & Gas Limited | 9 | 7.0 | |
| 1994 | Meekwap Pipe Line Ltd | 9 | 8.0 | |
| 1994 | Tiverton Petroleums Ltd. | 9 | 8.0 | |
| 1994 | Devon Aog Corporation | 8 | 5.0 | |
| 1994 | Gibson Energy ULC | 8 | 7.0 | |
| 1994 | Murphy Canada Exploration Company | 8 | 7.0 | |
| 1994 | ConocoPhillips Canada Resources Corp. | 7 | 6.0 | |
| 1994 | Inverness Energy Ltd. | 7 | 3.0 | |
| 1994 | Oakwood Petroleums Ltd. | 7 | 4.0 | |
| 1994 | 7246366 Canada Ltd. | 6 | 5.0 | |
| 1994 | D & R Oils Ltd. | 6 | 4.0 | |
| 1994 | Midcon Oil & Gas Limited | 6 | 3.0 | |
| 1994 | Pennzoil Petroleums Ltd. | 6 | 4.0 | |
| 1994 | Pride Energy Inc. | 6 | 5.0 | |
| 1994 | Casa Oil Ltd. | 5 | 4.0 | |
| 1994 | Lario Oil & Gas Company | 5 | 4.0 | |
| 1994 | NOVA Gas Transmission Ltd. | 5 | ||
| 1994 | New York Oils Limited | 5 | 4.0 | |
| 1994 | Norpet Resources Limited | 5 | 2.0 | |
| 1994 | Nova Corporation Of Alberta | 5 | 3.0 | |
| 1994 | Summit Resources Limited | 5 | 4.0 | |
| 1994 | Transwest Energy Inc. | 5 | 4.0 | |
| 1994 | Baloil Resources Ltd. | 4 | 3.0 | |
| 1994 | CS Resources Limited | 4 | 1.0 | |
| 1994 | Camberly Energy Ltd. | 4 | 3.0 | |
| 1994 | Omega Hydrocarbons Ltd. | 4 | 3.0 | |
| 1994 | Penquin Works Inc. | 4 | 3.0 | |
| 1994 | Tercero Resources Company | 4 | 3.0 | |
| 1994 | Bonavista Petroleum Ltd. | 3 | ||
| 1994 | Eagle Resources Ltd. | 3 | 2.0 | |
| 1994 | Obsidian Energy Ltd. | 3 | 2.0 | |
| 1994 | Rife Resources Ltd. | 3 | 2.0 | |
| 1994 | Rio Alto Energy Ltd. | 3 | 2.0 | |
| 1994 | Canadian Cometra, Inc. | 2 | ||
| 1994 | Delta Consultants (1973) Ltd. | 2 | ||
| 1994 | Paddle Petroleum Ltd. | 2 | 1.0 | |
| 1994 | Reel Resources Ltd. | 2 | 1.0 | |
| 1994 | The Wiser Oil Company of Canada Ltd. | 2 | ||
| 1995 | BP Canada Energy Company | 1857 | 1783.0 | |
| 1995 | Imperial Oil Resources Limited | 1119 | 1085.0 | |
| 1995 | ExxonMobil Canada Energy | 991 | 961.0 | |
| 1995 | Petro-Canada | 546 | 530.0 | |
| 1995 | Home Oil Company Limited | 507 | 491.0 | |
| 1995 | Husky Oil Operations Limited | 499 | 475.0 | |
| 1995 | Encana Corporation | 434 | 408.0 | |
| 1995 | Shell Canada Limited | 382 | 358.0 | |
| 1995 | Renaissance Energy Ltd. | 371 | 318.0 | |
| 1995 | Imperial Oil Resources | 302 | 295.0 | |
| 1995 | Chevron Canada Limited | 285 | 273.0 | |
| 1995 | Pembina Resources Limited | 266 | 255.0 | |
| 1995 | Repsol Oil & Gas Canada Inc. | 253 | 231.0 | |
| 1995 | Anadarko Canada Corporation | 210 | 206.0 | |
| 1995 | Crestar Energy Inc. | 197 | 184.0 | |
| 1995 | Gulf Canada Limited | 190 | 185.0 | |
| 1995 | 625894 Alberta Inc. | 147 | 144.0 | |
| 1995 | Nexen Energy ULC | 110 | 103.0 | |
| 1995 | Redwater Water Disposal Company Limited | 106 | 102.0 | |
| 1995 | Enerplus Resources Corporation | 98 | 97.0 | |
| 1995 | Rising Resources Ltd. | 90 | 85.0 | |
| 1995 | Suncor Energy Inc. | 86 | 82.0 | |
| 1995 | Encor Energy Corporation Inc. | 83 | 65.0 | |
| 1995 | Koch Exploration Canada, Ltd. | 77 | 73.0 | |
| 1995 | Pembina Pipeline Corporation | 61 | 50.0 | |
| 1995 | Pioneer Natural Resources Canada Inc. | 50 | 47.0 | |
| 1995 | Ulster Petroleums Ltd. | 47 | 41.0 | |
| 1995 | 177293 Canada Ltd. | 46 | 44.0 | |
| 1995 | Bow River Pipe Lines Ltd | 45 | 44.0 | |
| 1995 | ConocoPhillips Canada (BRC) Ltd. | 42 | 38.0 | |
| 1995 | Koch Pipelines Ltd | 40 | 39.0 | |
| 1995 | Morrison Petroleums Ltd. | 39 | 37.0 | |
| 1995 | Rainbow Pipe Line Company Ulc | 39 | 36.0 | |
| 1995 | Intensity Resources Ltd. | 38 | 37.0 | |
| 1995 | Amax Petroleum Of Canada Inc. | 37 | 36.0 | |
| 1995 | NS Industries Canada Limited | 35 | 32.0 | |
| 1995 | Cigol International Ltd. | 33 | 19.0 | |
| 1995 | Coseka Resources Limited | 33 | 32.0 | |
| 1995 | Enermark Inc. | 33 | 31.0 | |
| 1995 | Tesoro Petroleum Corporation | 33 | 31.0 | |
| 1995 | Samson Resources Company | 26 | 25.0 | |
| 1995 | Canadian Roxy Petroleum Ltd. | 25 | 22.0 | |
| 1995 | Barcomp Petroleum Ltd. | 22 | 21.0 | |
| 1995 | Battle Creek Developments Ltd. | 22 | 21.0 | |
| 1995 | Devon NEC Corporation | 22 | 16.0 | |
| 1995 | Gentra Energy Corporation | 22 | 21.0 | |
| 1995 | Canadian Natural Resources Limited | 19 | 18.0 | |
| 1995 | Taku Gas Limited | 19 | 18.0 | |
| 1995 | Inter-Base Petroleum Ltd. | 18 | 13.0 | |
| 1995 | Barrington Petroleum Ltd. | 15 | 11.0 | |
| 1995 | Startech Energy Inc. | 15 | 1.0 | |
| 1995 | Cabre Exploration Ltd. | 14 | 11.0 | |
| 1995 | Penn West Petroleum Acquisition Ltd. | 14 | 13.0 | |
| 1995 | Vikor Resources Ltd. | 14 | 13.0 | |
| 1995 | ConocoPhillips Canada Limited | 13 | 11.0 | |
| 1995 | Petrol Properties Ltd. | 12 | 11.0 | |
| 1995 | Zoller & Danneberg Oil, Ltd. | 11 | 7.0 | |
| 1995 | Murphy Canada Exploration Company | 10 | 8.0 | |
| 1995 | Ranger Oil Limited | 10 | 3.0 | |
| 1995 | Tiverton Petroleums Ltd. | 10 | 9.0 | |
| 1995 | CS Resources Limited | 9 | 4.0 | |
| 1995 | ConocoPhillips Canada Resources Corp. | 9 | 7.0 | |
| 1995 | Devon Aog Corporation | 9 | 8.0 | |
| 1995 | Oakwood Petroleums Ltd. | 9 | 7.0 | |
| 1995 | Burlington Resources Canada (Hunter) Ltd. | 8 | 4.0 | |
| 1995 | Canadian Forest Oil Ltd. | 8 | 7.0 | |
| 1995 | Lario Oil & Gas Company | 8 | 5.0 | |
| 1995 | Obsidian Energy Ltd. | 8 | 3.0 | |
| 1995 | The Rimoil Corporation | 8 | 3.0 | |
| 1995 | Midcon Oil & Gas Limited | 7 | 6.0 | |
| 1995 | NOVA Gas Transmission Ltd. | 7 | 5.0 | |
| 1995 | Northwestern Utilities Limited | 7 | 5.0 | |
| 1995 | Prairie Oil Royalties Limited | 7 | 6.0 | |
| 1995 | Summit Resources Limited | 7 | 5.0 | |
| 1995 | The Wiser Oil Company of Canada Ltd. | 7 | 2.0 | |
| 1995 | Transwest Energy Inc. | 7 | 5.0 | |
| 1995 | Lasmo Exploration(canada)ltd. | 6 | 3.0 | |
| 1995 | 1333002 Alberta Ltd. | 5 | 4.0 | |
| 1995 | Bonavista Petroleum Ltd. | 5 | 3.0 | |
| 1995 | Lateral Vector Resources Inc. | 5 | 2.0 | |
| 1995 | Signalta Resources Limited | 5 | 2.0 | |
| 1995 | Winfield Energy Ltd. | 5 | ||
| 1995 | C. & D. Oil & Gas Ltd. | 4 | 2.0 | |
| 1995 | Camino Industries Inc. | 4 | 3.0 | |
| 1995 | Morgan Hydrocarbons Inc. | 4 | 3.0 | |
| 1995 | Neutrino Resources Ltd. | 4 | ||
| 1995 | Ramier Resources Ltd. | 4 | ||
| 1995 | Rife Resources Ltd. | 4 | 3.0 | |
| 1995 | American Trading and Production Corporation | 3 | 2.0 | |
| 1995 | Calpine Canada Resources Company | 3 | ||
| 1995 | Gardiner Oil And Gas Limited | 3 | ||
| 1995 | Marathon Canada Limited | 3 | 1.0 | |
| 1995 | Mission Resources Limited | 3 | 2.0 | |
| 1995 | Newalta Corporation | 3 | 2.0 | |
| 1995 | Pensionfund Energy Resources Limited | 3 | 2.0 | |
| 1995 | Westrock Energy Resources Corporation | 3 | ||
| 1995 | Wintershall Canada Ltd. | 3 | 2.0 | |
| 1995 | Ballistic Energy Corporation | 2 | ||
| 1995 | Comrey Resources Inc. | 2 | 1.0 | |
| 1995 | Consolidated HCO Energy Ltd. | 2 | ||
| 1996 | BP Canada Energy Company | 1930 | 1857.0 | |
| 1996 | Imperial Oil Resources Limited | 1163 | 1119.0 | |
| 1996 | ExxonMobil Canada Energy | 1026 | 991.0 | |
| 1996 | Petro-Canada | 565 | 546.0 | |
| 1996 | Home Oil Company Limited | 534 | 507.0 | |
| 1996 | Husky Oil Operations Limited | 531 | 499.0 | |
| 1996 | Encana Corporation | 470 | 434.0 | |
| 1996 | Renaissance Energy Ltd. | 416 | 371.0 | |
| 1996 | Shell Canada Limited | 408 | 382.0 | |
| 1996 | Chevron Canada Limited | 300 | 285.0 | |
| 1996 | Repsol Oil & Gas Canada Inc. | 282 | 253.0 | |
| 1996 | Pembina Resources Limited | 276 | 266.0 | |
| 1996 | Anadarko Canada Corporation | 225 | 210.0 | |
| 1996 | Crestar Energy Inc. | 221 | 197.0 | |
| 1996 | Gulf Canada Limited | 199 | 190.0 | |
| 1996 | 625894 Alberta Inc. | 152 | 147.0 | |
| 1996 | Nexen Energy ULC | 117 | 110.0 | |
| 1996 | Redwater Water Disposal Company Limited | 107 | 106.0 | |
| 1996 | Federated Pipe Lines Ltd. | 102 | 98.0 | |
| 1996 | Enerplus Resources Corporation | 101 | 98.0 | |
| 1996 | Suncor Energy Inc. | 87 | 86.0 | |
| 1996 | Koch Exploration Canada, Ltd. | 82 | 77.0 | |
| 1996 | Pembina Pipeline Corporation | 62 | 61.0 | |
| 1996 | Pioneer Natural Resources Canada Inc. | 56 | 50.0 | |
| 1996 | Ulster Petroleums Ltd. | 53 | 47.0 | |
| 1996 | NS Industries Canada Limited | 49 | 35.0 | |
| 1996 | 177293 Canada Ltd. | 48 | 46.0 | |
| 1996 | Bow River Pipe Lines Ltd | 47 | 45.0 | |
| 1996 | ConocoPhillips Canada (BRC) Ltd. | 46 | 42.0 | |
| 1996 | Morrison Petroleums Ltd. | 46 | 39.0 | |
| 1996 | Cigol International Ltd. | 43 | 33.0 | |
| 1996 | Amax Petroleum Of Canada Inc. | 41 | 37.0 | |
| 1996 | Chevron Canada Properties Limited | 40 | 38.0 | |
| 1996 | Intensity Resources Ltd. | 39 | 38.0 | |
| 1996 | Husky Oil Ltd. | 37 | 35.0 | |
| 1996 | Enermark Inc. | 35 | 33.0 | |
| 1996 | Devon Canada Corporation | 33 | 31.0 | |
| 1996 | Canadian Roxy Petroleum Ltd. | 27 | 25.0 | |
| 1996 | Devon NEC Corporation | 26 | 22.0 | |
| 1996 | Barcomp Petroleum Ltd. | 23 | 22.0 | |
| 1996 | ConocoPhillips Canada Resources Corp. | 23 | 9.0 | |
| 1996 | Obsidian Energy Ltd. | 23 | 8.0 | |
| 1996 | Rio Alto Exploration Ltd. | 22 | 21.0 | |
| 1996 | Canadian Natural Resources Limited | 21 | 19.0 | |
| 1996 | Cabre Exploration Ltd. | 20 | 14.0 | |
| 1996 | Alberta Energy Company Ltd. | 17 | 15.0 | |
| 1996 | Ranger Oil Limited | 15 | 10.0 | |
| 1996 | ConocoPhillips Canada Limited | 14 | 13.0 | |
| 1996 | Stampeder Exploration Ltd. | 12 | ||
| 1996 | Canadian Forest Oil Ltd. | 11 | 8.0 | |
| 1996 | Vintage Resource Corp. | 11 | 7.0 | |
| 1996 | Devon Aog Corporation | 10 | 9.0 | |
| 1996 | Piute Petroleums Limited | 10 | 8.0 | |
| 1996 | Lateral Vector Resources Inc. | 9 | 5.0 | |
| 1996 | Summit Resources Limited | 9 | 7.0 | |
| 1996 | Lasmo Exploration(canada)ltd. | 8 | 6.0 | |
| 1996 | Midcon Oil & Gas Limited | 8 | 7.0 | |
| 1996 | Rigel Oil & Gas Ltd. | 8 | 6.0 | |
| 1996 | 7246366 Canada Ltd. | 7 | 6.0 | |
| 1996 | BHP Billiton (Trinidad-East Coast) Ltd. | 5 | 4.0 | |
| 1996 | Ballistic Energy Corporation | 5 | 2.0 | |
| 1996 | Gardiner Oil And Gas Limited | 5 | 3.0 | |
| 1996 | J. M. Huber Corporation | 5 | 4.0 | |
| 1996 | Mission Resources Limited | 5 | 3.0 | |
| 1996 | Neutrino Resources Ltd. | 5 | 4.0 | |
| 1996 | Rife Resources Ltd. | 5 | 4.0 | |
| 1996 | Rio Alto Energy Ltd. | 5 | 3.0 | |
| 1996 | Samedan Oil Of Canada, Inc. | 5 | 3.0 | |
| 1996 | Samson Canada, Ltd. | 5 | ||
| 1996 | Tercero Resources Company | 5 | 4.0 | |
| 1996 | Marathon Canada Limited | 4 | 3.0 | |
| 1996 | Nexen Canada Ltd. | 4 | 2.0 | |
| 1996 | Numac Energy Inc. | 4 | 1.0 | |
| 1996 | Wainoco Oil Ltd. | 4 | 2.0 | |
| 1996 | Westrock Energy Resources Corporation | 4 | 3.0 | |
| 1996 | 925011 Alberta Ltd. | 3 | ||
| 1996 | Granisko Resources Inc. | 3 | ||
| 1996 | Paddle Petroleum Ltd. | 3 | 2.0 | |
| 1996 | Sceptre Resources Limited | 3 | ||
| 1996 | Universal Explorations Ltd. | 3 | 2.0 | |
| 1996 | Vintage Petroleum Canada, Inc. | 3 | ||
| 1996 | 489429 Alberta Ltd. | 2 | ||
| 1996 | Birchill Resources Limited | 2 | ||
| 1996 | Comstate Resources Ltd. | 2 | ||
| 1996 | Contour Energy Ltd. | 2 | ||
| 1996 | FET Resources Ltd. | 2 | ||
| 1996 | Gulf Canada Frontier Exploration Limited | 2 | 1.0 | |
| 1996 | Maxx Petroleum Ltd. | 2 | ||
| 1996 | Ocelot Energy Inc. | 2 | ||
| 1996 | Response Energy Corporation | 2 | ||
| 1996 | Rhodie Petroleums Ltd. | 2 | ||
| 1996 | 597395 Alberta Ltd. | 1 | ||
| 1996 | Blair Oil Company | 1 | ||
| 1996 | Coachlight Resources Ltd. | 1 | ||
| 1996 | Lionheart Energy Corp. | 1 | ||
| 1996 | Post Energy Corporation | 1 | ||
| 1996 | Prairie Provident Resources Canada Ltd. | 1 | ||
| 1996 | Roan Exploration Ltd. | 1 | ||
| 1996 | Rydal Energy Ltd. | 1 | ||
| 1996 | Scarlet Exploration Inc. | 1 | ||
| 1997 | BP Canada Energy Company | 1981 | 1930.0 | |
| 1997 | Imperial Oil Resources Limited | 1186 | 1163.0 | |
| 1997 | ExxonMobil Canada Energy | 1062 | 1026.0 | |
| 1997 | Petro-Canada | 572 | 565.0 | |
| 1997 | Home Oil Company Limited | 554 | 534.0 | |
| 1997 | Husky Oil Operations Limited | 548 | 531.0 | |
| 1997 | Encana Corporation | 506 | 470.0 | |
| 1997 | Renaissance Energy Ltd. | 472 | 416.0 | |
| 1997 | Shell Canada Limited | 421 | 408.0 | |
| 1997 | Chevron Canada Limited | 318 | 300.0 | |
| 1997 | Repsol Oil & Gas Canada Inc. | 303 | 282.0 | |
| 1997 | Pembina Resources Limited | 281 | 276.0 | |
| 1997 | Crestar Energy Inc. | 235 | 221.0 | |
| 1997 | Anadarko Canada Corporation | 233 | 225.0 | |
| 1997 | Gulf Canada Limited | 203 | 199.0 | |
| 1997 | Nexen Energy ULC | 120 | 117.0 | |
| 1997 | Redwater Water Disposal Company Limited | 109 | 107.0 | |
| 1997 | Federated Pipe Lines Ltd. | 105 | 102.0 | |
| 1997 | Enerplus Resources Corporation | 104 | 101.0 | |
| 1997 | Suncor Energy Inc. | 95 | 87.0 | |
| 1997 | Koch Exploration Canada, Ltd. | 83 | 82.0 | |
| 1997 | Pembina Pipeline Corporation | 64 | 62.0 | |
| 1997 | NS Industries Canada Limited | 63 | 49.0 | |
| 1997 | Pioneer Natural Resources Canada Inc. | 59 | 56.0 | |
| 1997 | Ulster Petroleums Ltd. | 56 | 53.0 | |
| 1997 | Morrison Petroleums Ltd. | 55 | 46.0 | |
| 1997 | ConocoPhillips Canada (BRC) Ltd. | 53 | 46.0 | |
| 1997 | 177293 Canada Ltd. | 51 | 48.0 | |
| 1997 | ConocoPhillips Canada Resources Corp. | 50 | 23.0 | |
| 1997 | Bow River Pipe Lines Ltd | 49 | 47.0 | |
| 1997 | Koch Pipelines Ltd | 42 | 40.0 | |
| 1997 | Intensity Resources Ltd. | 41 | 39.0 | |
| 1997 | Enermark Inc. | 40 | 35.0 | |
| 1997 | Husky Oil Ltd. | 40 | 37.0 | |
| 1997 | Devon Canada Corporation | 35 | 33.0 | |
| 1997 | Obsidian Energy Ltd. | 30 | 23.0 | |
| 1997 | Canadian Natural Resources Limited | 28 | 21.0 | |
| 1997 | Canadian Roxy Petroleum Ltd. | 28 | 27.0 | |
| 1997 | Devon NEC Corporation | 28 | 26.0 | |
| 1997 | Cabre Exploration Ltd. | 22 | 20.0 | |
| 1997 | Alberta Energy Company Ltd. | 18 | 17.0 | |
| 1997 | Stampeder Exploration Ltd. | 18 | 12.0 | |
| 1997 | Barrington Petroleum Ltd. | 17 | 15.0 | |
| 1997 | Desoto Resources Limited | 17 | 16.0 | |
| 1997 | Startech Energy Inc. | 17 | 15.0 | |
| 1997 | Newcal Energy Inc. | 15 | 13.0 | |
| 1997 | Lateral Vector Resources Inc. | 13 | 9.0 | |
| 1997 | Canadian Forest Oil Ltd. | 12 | 11.0 | |
| 1997 | Vintage Resource Corp. | 12 | 11.0 | |
| 1997 | Devon Aog Corporation | 11 | 10.0 | |
| 1997 | Midcon Oil & Gas Limited | 11 | 8.0 | |
| 1997 | Murphy Canada Exploration Company | 11 | 10.0 | |
| 1997 | Piute Petroleums Limited | 11 | 10.0 | |
| 1997 | Summit Resources Limited | 11 | 9.0 | |
| 1997 | Tiverton Petroleums Ltd. | 11 | 10.0 | |
| 1997 | Meekwap Pipe Line Ltd | 10 | 9.0 | |
| 1997 | Bearspaw Petroleum Ltd. | 9 | 8.0 | |
| 1997 | Calgary Crude Oil Limited | 9 | 8.0 | |
| 1997 | Northwestern Utilities Limited | 9 | 7.0 | |
| 1997 | 529979 Alberta Limited | 8 | 6.0 | |
| 1997 | Pride Energy Inc. | 8 | 6.0 | |
| 1997 | Samedan Oil Of Canada, Inc. | 8 | 5.0 | |
| 1997 | The Wiser Oil Company of Canada Ltd. | 8 | 7.0 | |
| 1997 | Vintage Petroleum Canada, Inc. | 8 | 3.0 | |
| 1997 | Neutrino Resources Ltd. | 7 | 5.0 | |
| 1997 | Marathon Canada Limited | 6 | 4.0 | |
| 1997 | Samson Canada, Ltd. | 6 | 5.0 | |
| 1997 | 925011 Alberta Ltd. | 5 | 3.0 | |
| 1997 | Nexen Canada Ltd. | 5 | 4.0 | |
| 1997 | Numac Energy Inc. | 5 | 4.0 | |
| 1997 | Wainoco Oil Ltd. | 5 | 4.0 | |
| 1997 | Ocelot Energy Inc. | 4 | 2.0 | |
| 1997 | Probe Exploration Inc. | 4 | ||
| 1997 | 707001 Alberta Ltd. | 3 | ||
| 1997 | ARC Resources Ltd. | 3 | ||
| 1997 | Baytex Energy Ltd. | 3 | ||
| 1997 | Birchill Resources Limited | 3 | 2.0 | |
| 1997 | Cometra Energy Ltd. | 3 | ||
| 1997 | Consolidated HCO Energy Ltd. | 3 | 2.0 | |
| 1997 | FET Resources Ltd. | 3 | 2.0 | |
| 1997 | Paramount Resources Ltd. | 3 | 1.0 | |
| 1997 | Response Energy Corporation | 3 | 2.0 | |
| 1997 | TKE Energy Inc | 3 | ||
| 1997 | Cimarron Petroleum Ltd. | 2 | 1.0 | |
| 1997 | Lionheart Energy Corp. | 2 | 1.0 | |
| 1997 | Merit Energy Ltd. | 2 | ||
| 1997 | Mountain Energy Inc. | 2 | ||
| 1997 | Prairie Provident Resources Canada Ltd. | 2 | 1.0 | |
| 1997 | Wolverine Energy Corp. | 2 | ||
| 1997 | 2969980 Canada Inc. | 1 | ||
| 1997 | 3504131 Canada Ltd. | 1 | ||
| 1997 | Altana Exploration Company | 1 | ||
| 1997 | Ardent Energy Inc. | 1 | ||
| 1997 | Centurion Energy International Inc. | 1 | ||
| 1997 | Cggs Canadian Gas Gathering Systems Inc. | 1 | ||
| 1997 | Cinabar Enterprises Ltd. | 1 | ||
| 1997 | Devon Energy Canada Corporation | 1 | ||
| 1997 | Elk Point Resources Inc. | 1 | ||
| 1997 | Golden Trend Petroleum Ltd. | 1 | ||
| 1997 | Lexin Resources Ltd. | 1 | ||
| 1998 | BP Canada Energy Company | 2014 | 1981.0 | |
| 1998 | Imperial Oil Resources Limited | 1205 | 1186.0 | |
| 1998 | ExxonMobil Canada Energy | 1084 | 1062.0 | |
| 1998 | Petro-Canada | 585 | 572.0 | |
| 1998 | Home Oil Company Limited | 575 | 554.0 | |
| 1998 | Husky Oil Operations Limited | 562 | 548.0 | |
| 1998 | Encana Corporation | 548 | 506.0 | |
| 1998 | Renaissance Energy Ltd. | 538 | 472.0 | |
| 1998 | Shell Canada Limited | 429 | 421.0 | |
| 1998 | Repsol Oil & Gas Canada Inc. | 338 | 303.0 | |
| 1998 | Chevron Canada Limited | 332 | 318.0 | |
| 1998 | Pembina Resources Limited | 282 | 281.0 | |
| 1998 | Crestar Energy Inc. | 253 | 235.0 | |
| 1998 | Anadarko Canada Corporation | 245 | 233.0 | |
| 1998 | Gulf Canada Limited | 210 | 203.0 | |
| 1998 | Redwater Water Disposal Company Limited | 111 | 109.0 | |
| 1998 | Enerplus Resources Corporation | 108 | 104.0 | |
| 1998 | Federated Pipe Lines Ltd. | 108 | 105.0 | |
| 1998 | Suncor Energy Inc. | 98 | 95.0 | |
| 1998 | NS Industries Canada Limited | 73 | 63.0 | |
| 1998 | Pioneer Natural Resources Canada Inc. | 66 | 59.0 | |
| 1998 | ConocoPhillips Canada Resources Corp. | 65 | 50.0 | |
| 1998 | Pembina Pipeline Corporation | 65 | 64.0 | |
| 1998 | Morrison Petroleums Ltd. | 60 | 55.0 | |
| 1998 | ConocoPhillips Canada (BRC) Ltd. | 58 | 53.0 | |
| 1998 | Ulster Petroleums Ltd. | 58 | 56.0 | |
| 1998 | 177293 Canada Ltd. | 53 | 51.0 | |
| 1998 | Enermark Inc. | 46 | 40.0 | |
| 1998 | Intensity Resources Ltd. | 42 | 41.0 | |
| 1998 | Obsidian Energy Ltd. | 42 | 30.0 | |
| 1998 | Husky Oil Ltd. | 41 | 40.0 | |
| 1998 | Rainbow Pipe Line Company Ulc | 41 | 39.0 | |
| 1998 | Devon Canada Corporation | 37 | 35.0 | |
| 1998 | International Colin Energy Corporation | 33 | 31.0 | |
| 1998 | Canadian Natural Resources Limited | 32 | 28.0 | |
| 1998 | Canadian Roxy Petroleum Ltd. | 31 | 28.0 | |
| 1998 | Devon NEC Corporation | 31 | 28.0 | |
| 1998 | Cabre Exploration Ltd. | 26 | 22.0 | |
| 1998 | Alberta Energy Company Ltd. | 25 | 18.0 | |
| 1998 | Barcomp Petroleum Ltd. | 24 | 23.0 | |
| 1998 | Rio Alto Exploration Ltd. | 23 | 22.0 | |
| 1998 | Stampeder Exploration Ltd. | 20 | 18.0 | |
| 1998 | Barrington Petroleum Ltd. | 19 | 17.0 | |
| 1998 | EOG Resources Canada Inc. | 19 | 18.0 | |
| 1998 | Startech Energy Inc. | 19 | 17.0 | |
| 1998 | ConocoPhillips Canada Limited | 15 | 14.0 | |
| 1998 | HOC Energy Corp. | 15 | ||
| 1998 | Midcon Oil & Gas Limited | 14 | 11.0 | |
| 1998 | Nexen Canada Ltd. | 14 | 5.0 | |
| 1998 | Devon Aog Corporation | 13 | 11.0 | |
| 1998 | Tiverton Petroleums Ltd. | 13 | 11.0 | |
| 1998 | Piute Petroleums Limited | 12 | 11.0 | |
| 1998 | Calgary Crude Oil Limited | 11 | 9.0 | |
| 1998 | Marathon Canada Limited | 11 | 6.0 | |
| 1998 | Pengrowth Corporation | 11 | ||
| 1998 | Bearspaw Petroleum Ltd. | 10 | 9.0 | |
| 1998 | ARC Resources Ltd. | 9 | 3.0 | |
| 1998 | Probe Exploration Inc. | 9 | 4.0 | |
| 1998 | The Wiser Oil Company of Canada Ltd. | 9 | 8.0 | |
| 1998 | Vintage Petroleum Canada, Inc. | 9 | 8.0 | |
| 1998 | Numac Energy Inc. | 8 | 5.0 | |
| 1998 | Calpine Canada Resources Company | 7 | 3.0 | |
| 1998 | D & R Oils Ltd. | 7 | 6.0 | |
| 1998 | Petrorep (Canada) Ltd. | 7 | 5.0 | |
| 1998 | Samson Canada, Ltd. | 7 | 6.0 | |
| 1998 | 925011 Alberta Ltd. | 6 | 5.0 | |
| 1998 | Bonavista Petroleum Ltd. | 6 | 5.0 | |
| 1998 | Cometra Energy Ltd. | 6 | 3.0 | |
| 1998 | Mission Resources Limited | 6 | 5.0 | |
| 1998 | Rife Resources Ltd. | 6 | 5.0 | |
| 1998 | FET Resources Ltd. | 5 | 3.0 | |
| 1998 | Morgan Hydrocarbons Inc. | 5 | 4.0 | |
| 1998 | TKE Energy Inc | 5 | 3.0 | |
| 1998 | Westrock Energy Resources Corporation | 5 | 4.0 | |
| 1998 | 707001 Alberta Ltd. | 4 | 3.0 | |
| 1998 | Baytex Energy Ltd. | 4 | 3.0 | |
| 1998 | Merit Chinook Ltd. | 4 | 2.0 | |
| 1998 | Merit Energy Ltd. | 4 | 2.0 | |
| 1998 | Cggs Canadian Gas Gathering Systems Inc. | 3 | 1.0 | |
| 1998 | Lexin Resources Ltd. | 3 | 1.0 | |
| 1998 | Magin Energy Inc. | 3 | ||
| 1998 | Orion Energy Holdings Inc. | 3 | ||
| 1998 | Prairie Provident Resources Canada Ltd. | 3 | 2.0 | |
| 1998 | Renata Resources Inc. | 3 | ||
| 1998 | Vermilion Resources Ltd. | 3 | ||
| 1998 | Wolverine Energy Corp. | 3 | 2.0 | |
| 1998 | Zargon Oil & Gas Ltd. | 3 | ||
| 1998 | Altagas Services Inc. | 2 | ||
| 1998 | Altana Exploration Company | 2 | 1.0 | |
| 1998 | Ardent Energy Inc. | 2 | 1.0 | |
| 1998 | Chevron Standard Limited | 2 | ||
| 1998 | Coachlight Resources Ltd. | 2 | 1.0 | |
| 1998 | Elk Point Resources Inc. | 2 | 1.0 | |
| 1998 | Koch Pipelines Canada Ltd. | 2 | ||
| 1998 | NAL Resources Limited | 2 | ||
| 1998 | New Cache Petroleums Ltd. | 2 | ||
| 1998 | Paragon Petroleum Corporation | 2 | ||
| 1998 | Primewest Energy Inc. | 2 | ||
| 1998 | Rangeland Resources Ltd. | 2 | ||
| 1998 | Taurus Exploration Canada Ltd. | 2 | ||
| 1999 | BP Canada Energy Company | 2041 | 2014.0 | |
| 1999 | Imperial Oil Resources Limited | 1223 | 1205.0 | |
| 1999 | ExxonMobil Canada Energy | 1111 | 1084.0 | |
| 1999 | Renaissance Energy Ltd. | 595 | 538.0 | |
| 1999 | Petro-Canada | 591 | 585.0 | |
| 1999 | Home Oil Company Limited | 589 | 575.0 | |
| 1999 | Encana Corporation | 583 | 548.0 | |
| 1999 | Husky Oil Operations Limited | 575 | 562.0 | |
| 1999 | Shell Canada Limited | 452 | 429.0 | |
| 1999 | Repsol Oil & Gas Canada Inc. | 364 | 338.0 | |
| 1999 | Chevron Canada Limited | 341 | 332.0 | |
| 1999 | Crestar Energy Inc. | 264 | 253.0 | |
| 1999 | Anadarko Canada Corporation | 251 | 245.0 | |
| 1999 | Gulf Canada Limited | 216 | 210.0 | |
| 1999 | Redwater Water Disposal Company Limited | 112 | 111.0 | |
| 1999 | Federated Pipe Lines Ltd. | 110 | 108.0 | |
| 1999 | Enerplus Resources Corporation | 109 | 108.0 | |
| 1999 | Suncor Energy Inc. | 99 | 98.0 | |
| 1999 | NS Industries Canada Limited | 78 | 73.0 | |
| 1999 | ConocoPhillips Canada Resources Corp. | 77 | 65.0 | |
| 1999 | Pioneer Natural Resources Canada Inc. | 73 | 66.0 | |
| 1999 | Pembina Pipeline Corporation | 66 | 65.0 | |
| 1999 | Obsidian Energy Ltd. | 62 | 42.0 | |
| 1999 | Ulster Petroleums Ltd. | 60 | 58.0 | |
| 1999 | ConocoPhillips Canada (BRC) Ltd. | 59 | 58.0 | |
| 1999 | 177293 Canada Ltd. | 55 | 53.0 | |
| 1999 | Enermark Inc. | 49 | 46.0 | |
| 1999 | Rainbow Pipe Line Company Ulc | 44 | 41.0 | |
| 1999 | Canadian Natural Resources Limited | 42 | 32.0 | |
| 1999 | Devon Canada Corporation | 39 | 37.0 | |
| 1999 | Cabre Exploration Ltd. | 38 | 26.0 | |
| 1999 | Devon NEC Corporation | 35 | 31.0 | |
| 1999 | International Colin Energy Corporation | 35 | 33.0 | |
| 1999 | Alberta Energy Company Ltd. | 33 | 25.0 | |
| 1999 | Canadian Roxy Petroleum Ltd. | 32 | 31.0 | |
| 1999 | Pengrowth Corporation | 30 | 11.0 | |
| 1999 | Rio Alto Exploration Ltd. | 28 | 23.0 | |
| 1999 | Barcomp Petroleum Ltd. | 26 | 24.0 | |
| 1999 | Murphy Oil Company Ltd. | 24 | 23.0 | |
| 1999 | EOG Resources Canada Inc. | 21 | 19.0 | |
| 1999 | Startech Energy Inc. | 20 | 19.0 | |
| 1999 | ARC Resources Ltd. | 18 | 9.0 | |
| 1999 | Nexen Canada Ltd. | 17 | 14.0 | |
| 1999 | Devon Aog Corporation | 16 | 13.0 | |
| 1999 | Marathon Canada Limited | 14 | 11.0 | |
| 1999 | Summit Resources Limited | 13 | 11.0 | |
| 1999 | Bearspaw Petroleum Ltd. | 12 | 10.0 | |
| 1999 | Calgary Crude Oil Limited | 12 | 11.0 | |
| 1999 | Calpine Canada Resources Company | 12 | 7.0 | |
| 1999 | Numac Energy Inc. | 12 | 8.0 | |
| 1999 | Vintage Petroleum Canada, Inc. | 12 | 9.0 | |
| 1999 | Phillips Petroleum Resources, Ltd. | 10 | ||
| 1999 | Gibson Energy ULC | 9 | 8.0 | |
| 1999 | Rigel Oil & Gas Ltd. | 9 | 8.0 | |
| 1999 | Cometra Energy Ltd. | 8 | 6.0 | |
| 1999 | NOVA Gas Transmission Ltd. | 8 | 7.0 | |
| 1999 | Primewest Energy Inc. | 8 | 2.0 | |
| 1999 | Rife Resources Ltd. | 8 | 6.0 | |
| 1999 | Samson Canada, Ltd. | 8 | 7.0 | |
| 1999 | 925011 Alberta Ltd. | 7 | 6.0 | |
| 1999 | Koch Pipelines Canada Ltd. | 7 | 2.0 | |
| 1999 | TKE Energy Inc | 7 | 5.0 | |
| 1999 | Magin Energy Inc. | 6 | 3.0 | |
| 1999 | Ocelot Energy Inc. | 6 | 4.0 | |
| 1999 | Prairie Provident Resources Canada Ltd. | 6 | 3.0 | |
| 1999 | Baytex Energy Ltd. | 5 | 4.0 | |
| 1999 | Cggs Canadian Gas Gathering Systems Inc. | 5 | 3.0 | |
| 1999 | Elk Point Resources Inc. | 5 | 2.0 | |
| 1999 | NAL Resources Limited | 5 | 2.0 | |
| 1999 | Petrobakken Development Ltd. | 5 | ||
| 1999 | Altagas Services Inc. | 4 | 2.0 | |
| 1999 | Archean Energy Ltd. | 4 | ||
| 1999 | Birchill Resources Limited | 4 | 3.0 | |
| 1999 | Renata Resources Inc. | 4 | 3.0 | |
| 1999 | Response Energy Corporation | 4 | 3.0 | |
| 1999 | Vermilion Resources Ltd. | 4 | 3.0 | |
| 1999 | Zargon Oil & Gas Ltd. | 4 | 3.0 | |
| 1999 | Ardent Energy Inc. | 3 | 2.0 | |
| 1999 | Compton Energy Inc. | 3 | ||
| 1999 | Comstate Resources Ltd. | 3 | 2.0 | |
| 1999 | Maxx Petroleum Ltd. | 3 | 2.0 | |
| 1999 | Mountain Energy Inc. | 3 | 2.0 | |
| 1999 | Purchase Oil & Gas Inc. | 3 | ||
| 1999 | SES Equities Ltd. | 3 | ||
| 1999 | 173116 Canada Limited | 2 | ||
| 1999 | Amber Energy Inc. | 2 | ||
| 1999 | Cypress Energy Inc. | 2 | ||
| 1999 | Kaiser-Francis Oil Company Of Canada | 2 | ||
| 1999 | Keyspan Energy Canada Inc. | 2 | ||
| 1999 | Lomalta Petroleums Ltd. | 2 | ||
| 1999 | Omers Resources Limited | 2 | ||
| 1999 | Shenandoah Resources Ltd. | 2 | ||
| 1999 | Texaco Canada Petroleum Inc. | 2 | ||
| 1999 | Twin Rock Resources Ltd. | 2 | ||
| 1999 | Westrock Energy Resources Ii Corporation | 2 | ||
| 1999 | 6385206 Canada Inc. | 1 | ||
| 1999 | ATCO Midstream Ltd. | 1 | ||
| 1999 | Acclaim Oil and Gas Ltd. | 1 | ||
| 1999 | Addison Energy Inc. | 1 | ||
| 1999 | Advantage Oil & Gas Ltd. | 1 | ||
| 2000 | BP Canada Energy Company | 2050 | 2041.0 | |
| 2000 | Imperial Oil Resources Limited | 1240 | 1223.0 | |
| 2000 | ExxonMobil Canada Energy | 1128 | 1111.0 | |
| 2000 | Renaissance Energy Ltd. | 635 | 595.0 | |
| 2000 | Husky Oil Operations Limited | 612 | 575.0 | |
| 2000 | Encana Corporation | 609 | 583.0 | |
| 2000 | Home Oil Company Limited | 595 | 589.0 | |
| 2000 | Petro-Canada | 593 | 591.0 | |
| 2000 | Repsol Oil & Gas Canada Inc. | 394 | 364.0 | |
| 2000 | Chevron Canada Limited | 350 | 341.0 | |
| 2000 | Crestar Energy Inc. | 274 | 264.0 | |
| 2000 | Anadarko Canada Corporation | 256 | 251.0 | |
| 2000 | Gulf Canada Limited | 224 | 216.0 | |
| 2000 | Enerplus Resources Corporation | 114 | 109.0 | |
| 2000 | Federated Pipe Lines Ltd. | 113 | 110.0 | |
| 2000 | Suncor Energy Inc. | 100 | 99.0 | |
| 2000 | NS Industries Canada Limited | 87 | 78.0 | |
| 2000 | ConocoPhillips Canada Resources Corp. | 86 | 77.0 | |
| 2000 | Obsidian Energy Ltd. | 78 | 62.0 | |
| 2000 | Pioneer Natural Resources Canada Inc. | 74 | 73.0 | |
| 2000 | Pembina Pipeline Corporation | 69 | 66.0 | |
| 2000 | ConocoPhillips Canada (BRC) Ltd. | 65 | 59.0 | |
| 2000 | Enermark Inc. | 62 | 49.0 | |
| 2000 | Ulster Petroleums Ltd. | 61 | 60.0 | |
| 2000 | 177293 Canada Ltd. | 58 | 55.0 | |
| 2000 | Canadian Natural Resources Limited | 54 | 42.0 | |
| 2000 | ExxonMobil Canada Ltd. | 54 | 53.0 | |
| 2000 | Pengrowth Corporation | 47 | 30.0 | |
| 2000 | Cabre Exploration Ltd. | 44 | 38.0 | |
| 2000 | Devon Canada Corporation | 42 | 39.0 | |
| 2000 | Rio Alto Exploration Ltd. | 40 | 28.0 | |
| 2000 | Devon NEC Corporation | 39 | 35.0 | |
| 2000 | Alberta Energy Company Ltd. | 36 | 33.0 | |
| 2000 | Barcomp Petroleum Ltd. | 32 | 26.0 | |
| 2000 | ARC Resources Ltd. | 27 | 18.0 | |
| 2000 | EOG Resources Canada Inc. | 23 | 21.0 | |
| 2000 | Marathon Canada Limited | 21 | 14.0 | |
| 2000 | Startech Energy Inc. | 21 | 20.0 | |
| 2000 | Devon Aog Corporation | 19 | 16.0 | |
| 2000 | Vintage Petroleum Canada, Inc. | 18 | 12.0 | |
| 2000 | Primewest Energy Inc. | 17 | 8.0 | |
| 2000 | ConocoPhillips Canada Limited | 16 | 15.0 | |
| 2000 | Paramount Resources (ACL) Ltd. | 16 | ||
| 2000 | Phillips Petroleum Resources, Ltd. | 15 | 10.0 | |
| 2000 | Summit Resources Limited | 15 | 13.0 | |
| 2000 | Numac Energy Inc. | 14 | 12.0 | |
| 2000 | Bearspaw Petroleum Ltd. | 13 | 12.0 | |
| 2000 | Calgary Crude Oil Limited | 13 | 12.0 | |
| 2000 | NOVA Gas Transmission Ltd. | 12 | 8.0 | |
| 2000 | Gibson Energy ULC | 10 | 9.0 | |
| 2000 | Rigel Oil & Gas Ltd. | 10 | 9.0 | |
| 2000 | Archean Energy Ltd. | 9 | 4.0 | |
| 2000 | Cggs Canadian Gas Gathering Systems Inc. | 9 | 5.0 | |
| 2000 | Encana Oil & Gas Co. Ltd. | 9 | ||
| 2000 | Lario Oil & Gas Company | 9 | 8.0 | |
| 2000 | NAL Resources Limited | 9 | 5.0 | |
| 2000 | Rife Resources Ltd. | 9 | 8.0 | |
| 2000 | Samson Canada, Ltd. | 9 | 8.0 | |
| 2000 | Vermilion Resources Ltd. | 9 | 4.0 | |
| 2000 | Birchill Resources Limited | 8 | 4.0 | |
| 2000 | FET Resources Ltd. | 8 | 5.0 | |
| 2000 | Neutrino Resources Ltd. | 8 | 7.0 | |
| 2000 | Prairie Provident Resources Canada Ltd. | 8 | 6.0 | |
| 2000 | Altagas Services Inc. | 7 | 4.0 | |
| 2000 | Baytex Energy Ltd. | 7 | 5.0 | |
| 2000 | Magin Energy Inc. | 7 | 6.0 | |
| 2000 | Paramount Resources Ltd. | 7 | 3.0 | |
| 2000 | Petrobakken Development Ltd. | 7 | 5.0 | |
| 2000 | Renata Resources Inc. | 7 | 4.0 | |
| 2000 | Elk Point Resources Inc. | 6 | 5.0 | |
| 2000 | Maxx Petroleum Ltd. | 6 | 3.0 | |
| 2000 | Merit Energy Ltd. | 6 | 4.0 | |
| 2000 | Compton Energy Inc. | 5 | 3.0 | |
| 2000 | Edge Energy Inc. | 5 | ||
| 2000 | Zargon Oil & Gas Ltd. | 5 | 4.0 | |
| 2000 | Acclaim Oil and Gas Ltd. | 4 | 1.0 | |
| 2000 | Ardent Energy Inc. | 4 | 3.0 | |
| 2000 | Chevron Standard Limited | 4 | 2.0 | |
| 2000 | Comstate Resources Ltd. | 4 | 3.0 | |
| 2000 | Newalta Corporation | 4 | 3.0 | |
| 2000 | Northrock Resources Ltd. | 4 | ||
| 2000 | Triumph Energy Corporation | 4 | ||
| 2000 | Wolverine Energy Corp. | 4 | 3.0 | |
| 2000 | Amber Energy Inc. | 3 | 2.0 | |
| 2000 | Cypress Energy Inc. | 3 | 2.0 | |
| 2000 | Navigo Energy Inc. | 3 | ||
| 2000 | Omers Resources Limited | 3 | 2.0 | |
| 2000 | Samson Calahoo Petroleum Ltd. | 3 | ||
| 2000 | Samson Riata Resources, Ltd. | 3 | ||
| 2000 | Star Oil & Gas Ltd. | 3 | 1.0 | |
| 2000 | Taurus Exploration Canada Ltd. | 3 | 2.0 | |
| 2000 | Westrock Energy Resources Ii Corporation | 3 | 2.0 | |
| 2000 | ANG Gathering & Processing Ltd. | 2 | ||
| 2000 | Advantage Oil & Gas Ltd. | 2 | 1.0 | |
| 2000 | Anterra Resource Services Inc. | 2 | ||
| 2000 | Avid Oil & Gas Ltd. | 2 | ||
| 2000 | Crispin Energy Inc. | 2 | ||
| 2000 | Depar Management Ltd. | 2 | ||
| 2000 | Devon Energy Canada Corporation | 2 | 1.0 | |
| 2000 | Energy North Inc. | 2 | ||
| 2001 | BP Canada Energy Company | 2059 | 2050.0 | |
| 2001 | Imperial Oil Resources Limited | 1253 | 1240.0 | |
| 2001 | ExxonMobil Canada Energy | 1147 | 1128.0 | |
| 2001 | Husky Oil Operations Limited | 678 | 612.0 | |
| 2001 | Encana Corporation | 638 | 609.0 | |
| 2001 | Home Oil Company Limited | 606 | 595.0 | |
| 2001 | Petro-Canada | 594 | 593.0 | |
| 2001 | Shell Canada Limited | 453 | 452.0 | |
| 2001 | Repsol Oil & Gas Canada Inc. | 431 | 394.0 | |
| 2001 | Chevron Canada Limited | 358 | 350.0 | |
| 2001 | Anadarko Canada Corporation | 261 | 256.0 | |
| 2001 | Gulf Canada Limited | 228 | 224.0 | |
| 2001 | Enerplus Resources Corporation | 122 | 114.0 | |
| 2001 | Redwater Water Disposal Company Limited | 119 | 112.0 | |
| 2001 | Federated Pipe Lines Ltd. | 117 | 113.0 | |
| 2001 | Obsidian Energy Ltd. | 106 | 78.0 | |
| 2001 | Suncor Energy Inc. | 101 | 100.0 | |
| 2001 | ConocoPhillips Canada Resources Corp. | 100 | 86.0 | |
| 2001 | NS Industries Canada Limited | 92 | 87.0 | |
| 2001 | Enermark Inc. | 75 | 62.0 | |
| 2001 | Pioneer Natural Resources Canada Inc. | 75 | 74.0 | |
| 2001 | Pembina Pipeline Corporation | 71 | 69.0 | |
| 2001 | ConocoPhillips Canada (BRC) Ltd. | 69 | 65.0 | |
| 2001 | Canadian Natural Resources Limited | 66 | 54.0 | |
| 2001 | Pengrowth Corporation | 64 | 47.0 | |
| 2001 | 177293 Canada Ltd. | 60 | 58.0 | |
| 2001 | Paramount Resources (ACL) Ltd. | 54 | 16.0 | |
| 2001 | Rio Alto Exploration Ltd. | 51 | 40.0 | |
| 2001 | Devon Canada Corporation | 46 | 42.0 | |
| 2001 | Devon NEC Corporation | 45 | 39.0 | |
| 2001 | Alberta Energy Company Ltd. | 37 | 36.0 | |
| 2001 | International Colin Energy Corporation | 36 | 35.0 | |
| 2001 | ARC Resources Ltd. | 32 | 27.0 | |
| 2001 | Marathon Canada Limited | 27 | 21.0 | |
| 2001 | Encana Oil & Gas Co. Ltd. | 26 | 9.0 | |
| 2001 | Primewest Energy Inc. | 24 | 17.0 | |
| 2001 | Vintage Petroleum Canada, Inc. | 23 | 18.0 | |
| 2001 | Devon Aog Corporation | 22 | 19.0 | |
| 2001 | Numac Energy Inc. | 19 | 14.0 | |
| 2001 | ConocoPhillips Canada Limited | 18 | 16.0 | |
| 2001 | Nexen Canada Ltd. | 18 | 17.0 | |
| 2001 | Phillips Petroleum Resources, Ltd. | 18 | 15.0 | |
| 2001 | Summit Resources Limited | 17 | 15.0 | |
| 2001 | Bearspaw Petroleum Ltd. | 14 | 13.0 | |
| 2001 | Calgary Crude Oil Limited | 14 | 13.0 | |
| 2001 | Calpine Canada Resources Company | 14 | 12.0 | |
| 2001 | Probe Exploration Inc. | 13 | 9.0 | |
| 2001 | Vintage Resource Corp. | 13 | 12.0 | |
| 2001 | Murphy Canada Exploration Company | 12 | 11.0 | |
| 2001 | Cggs Canadian Gas Gathering Systems Inc. | 11 | 9.0 | |
| 2001 | Koch Pipelines Canada Ltd. | 11 | 7.0 | |
| 2001 | Lario Oil & Gas Company | 11 | 9.0 | |
| 2001 | Vermilion Resources Ltd. | 11 | 9.0 | |
| 2001 | Archean Energy Ltd. | 10 | 9.0 | |
| 2001 | Gulf Alberta Pipe Line Company Limited | 10 | 9.0 | |
| 2001 | Magin Energy Inc. | 10 | 7.0 | |
| 2001 | Paramount Resources Ltd. | 10 | 7.0 | |
| 2001 | Petrobakken Development Ltd. | 10 | 7.0 | |
| 2001 | Renata Resources Inc. | 10 | 7.0 | |
| 2001 | Samson Canada, Ltd. | 10 | 9.0 | |
| 2001 | The Wiser Oil Company of Canada Ltd. | 10 | 9.0 | |
| 2001 | Avid Oil & Gas Ltd. | 9 | 2.0 | |
| 2001 | Birchill Resources Limited | 9 | 8.0 | |
| 2001 | Bonavista Petroleum Ltd. | 9 | 6.0 | |
| 2001 | Cometra Energy Ltd. | 9 | 8.0 | |
| 2001 | Comstate Resources Ltd. | 9 | 4.0 | |
| 2001 | Altagas Services Inc. | 8 | 7.0 | |
| 2001 | Baytex Energy Ltd. | 8 | 7.0 | |
| 2001 | Viking Energy Acquisitions Ltd. | 8 | ||
| 2001 | Edge Energy Inc. | 7 | 5.0 | |
| 2001 | Elk Point Resources Inc. | 7 | 6.0 | |
| 2001 | Navigo Energy Inc. | 7 | 3.0 | |
| 2001 | Triumph Energy Corporation | 7 | 4.0 | |
| 2001 | Lexin Resources Ltd. | 6 | 3.0 | |
| 2001 | Northrock Resources Ltd. | 6 | 4.0 | |
| 2001 | Zargon Oil & Gas Ltd. | 6 | 5.0 | |
| 2001 | Cypress Energy Inc. | 5 | 3.0 | |
| 2001 | Response Energy Corporation | 5 | 4.0 | |
| 2001 | Star Oil & Gas Ltd. | 5 | 3.0 | |
| 2001 | Advantage Oil & Gas Ltd. | 3 | 2.0 | |
| 2001 | Anterra Resource Services Inc. | 3 | 2.0 | |
| 2001 | Atlas Energy Ltd. | 3 | ||
| 2001 | Case Resources Inc. | 3 | ||
| 2001 | Depar Management Ltd. | 3 | 2.0 | |
| 2001 | Energy North Inc. | 3 | 2.0 | |
| 2001 | Keyspan Energy Canada Inc. | 3 | 2.0 | |
| 2001 | Petrofund Corp. | 3 | ||
| 2001 | Rimbey Pipe Line Co. Ltd. | 3 | 2.0 | |
| 2001 | Samson Courage Energy Inc. | 3 | 2.0 | |
| 2001 | Shenandoah Resources Ltd. | 3 | 2.0 | |
| 2001 | 6385206 Canada Inc. | 2 | 1.0 | |
| 2001 | Acclaim Energy Inc. | 2 | ||
| 2001 | Berkley Petroleum Corp. | 2 | ||
| 2001 | Equal Energy Corp. | 2 | ||
| 2001 | Invasion Energy Inc. | 2 | ||
| 2001 | NCE Resources Group Inc. | 2 | ||
| 2001 | Quarry Oil & Gas Ltd. | 2 | ||
| 2001 | Skylight Energy Resources Ltd. | 2 | ||
| 2001 | APF Energy Inc. | 1 | ||
| 2001 | Apache Canada Ltd. | 1 | ||
| 2002 | BP Canada Energy Company | 2066 | 2059.0 | |
| 2002 | Imperial Oil Resources Limited | 1274 | 1253.0 | |
| 2002 | ExxonMobil Canada Energy | 1160 | 1147.0 | |
| 2002 | Husky Oil Operations Limited | 754 | 678.0 | |
| 2002 | Encana Corporation | 667 | 638.0 | |
| 2002 | Home Oil Company Limited | 624 | 606.0 | |
| 2002 | Repsol Oil & Gas Canada Inc. | 469 | 431.0 | |
| 2002 | Shell Canada Limited | 454 | 453.0 | |
| 2002 | Chevron Canada Limited | 366 | 358.0 | |
| 2002 | Imperial Oil Resources | 303 | 302.0 | |
| 2002 | Anadarko Canada Corporation | 268 | 261.0 | |
| 2002 | Obsidian Energy Ltd. | 159 | 106.0 | |
| 2002 | ConocoPhillips Canada Resources Corp. | 126 | 100.0 | |
| 2002 | Enerplus Resources Corporation | 126 | 122.0 | |
| 2002 | Redwater Water Disposal Company Limited | 121 | 119.0 | |
| 2002 | Canadian Natural Resources Limited | 99 | 66.0 | |
| 2002 | Pengrowth Corporation | 96 | 64.0 | |
| 2002 | Enermark Inc. | 90 | 75.0 | |
| 2002 | Paramount Resources (ACL) Ltd. | 89 | 54.0 | |
| 2002 | Pembina Pipeline Corporation | 77 | 71.0 | |
| 2002 | ConocoPhillips Canada (BRC) Ltd. | 74 | 69.0 | |
| 2002 | Rio Alto Exploration Ltd. | 56 | 51.0 | |
| 2002 | Devon NEC Corporation | 52 | 45.0 | |
| 2002 | Devon Canada Corporation | 51 | 46.0 | |
| 2002 | ARC Resources Ltd. | 39 | 32.0 | |
| 2002 | Encana Oil & Gas Co. Ltd. | 38 | 26.0 | |
| 2002 | Primewest Energy Inc. | 38 | 24.0 | |
| 2002 | Vintage Petroleum Canada, Inc. | 31 | 23.0 | |
| 2002 | Marathon Canada Limited | 29 | 27.0 | |
| 2002 | EOG Resources Canada Inc. | 25 | 23.0 | |
| 2002 | Devon Aog Corporation | 24 | 22.0 | |
| 2002 | ConocoPhillips Canada Limited | 22 | 18.0 | |
| 2002 | Nexen Canada Ltd. | 19 | 18.0 | |
| 2002 | Summit Resources Limited | 18 | 17.0 | |
| 2002 | Bearspaw Petroleum Ltd. | 17 | 14.0 | |
| 2002 | Probe Exploration Inc. | 16 | 13.0 | |
| 2002 | Bonavista Petroleum Ltd. | 14 | 9.0 | |
| 2002 | Cggs Canadian Gas Gathering Systems Inc. | 13 | 11.0 | |
| 2002 | NAL Resources Limited | 13 | 9.0 | |
| 2002 | Lario Oil & Gas Company | 12 | 11.0 | |
| 2002 | Vermilion Resources Ltd. | 12 | 11.0 | |
| 2002 | Viking Energy Acquisitions Ltd. | 12 | 8.0 | |
| 2002 | Comstate Resources Ltd. | 11 | 9.0 | |
| 2002 | Paramount Resources Ltd. | 11 | 10.0 | |
| 2002 | Petrobakken Development Ltd. | 11 | 10.0 | |
| 2002 | Renata Resources Inc. | 11 | 10.0 | |
| 2002 | Lexin Resources Ltd. | 10 | 6.0 | |
| 2002 | Navigo Energy Inc. | 10 | 7.0 | |
| 2002 | Altagas Services Inc. | 9 | 8.0 | |
| 2002 | Baytex Energy Ltd. | 9 | 8.0 | |
| 2002 | Burlington Resources Canada (Hunter) Ltd. | 9 | 8.0 | |
| 2002 | FET Resources Ltd. | 9 | 8.0 | |
| 2002 | Prairie Provident Resources Canada Ltd. | 9 | 8.0 | |
| 2002 | Triumph Energy Corporation | 9 | 7.0 | |
| 2002 | Elk Point Resources Inc. | 8 | 7.0 | |
| 2002 | 1333002 Alberta Ltd. | 7 | 5.0 | |
| 2002 | Northrock Resources Ltd. | 7 | 6.0 | |
| 2002 | Star Oil & Gas Ltd. | 7 | 5.0 | |
| 2002 | Zargon Oil & Gas Ltd. | 7 | 6.0 | |
| 2002 | Anterra Resource Services Inc. | 6 | 3.0 | |
| 2002 | Signalta Resources Limited | 6 | 5.0 | |
| 2002 | Acclaim Oil and Gas Ltd. | 5 | 4.0 | |
| 2002 | Energy North Inc. | 5 | 3.0 | |
| 2002 | Petrofund Corp. | 5 | 3.0 | |
| 2002 | 6385206 Canada Inc. | 4 | 2.0 | |
| 2002 | Case Resources Inc. | 4 | 3.0 | |
| 2002 | Cequel Energy Inc. | 4 | ||
| 2002 | Keyspan Energy Canada Inc. | 4 | 3.0 | |
| 2002 | Samson Calahoo Petroleum Ltd. | 4 | 3.0 | |
| 2002 | Shiningbank Energy Ltd. | 4 | ||
| 2002 | Taurus Exploration Canada Ltd. | 4 | 3.0 | |
| 2002 | Alberta Oil Sands Pipeline Ltd. | 3 | 2.0 | |
| 2002 | Berkley Petroleum Corp. | 3 | 2.0 | |
| 2002 | Kaiser-Francis Oil Company Of Canada | 3 | 2.0 | |
| 2002 | King Energy Inc. | 3 | ||
| 2002 | Sequoia Exploration & Development Ltd. | 3 | ||
| 2002 | Storm Energy Ltd. | 3 | ||
| 2002 | APF Energy Inc. | 2 | 1.0 | |
| 2002 | Coastal Resources Limited | 2 | ||
| 2002 | Ish Energy Ltd. | 2 | ||
| 2002 | Ketch Energy Ltd. | 2 | ||
| 2002 | Key West Oil & Gas Corporation | 2 | ||
| 2002 | Murias Energy Corporation | 2 | ||
| 2002 | Nce Energy Corporation | 2 | ||
| 2002 | Syncrude Canada Ltd. | 2 | ||
| 2002 | APL Oil & Gas (1998) Ltd. | 1 | ||
| 2002 | Adanac Oil & Gas Limited | 1 | ||
| 2002 | Chevron Canada Resources Limited | 1 | ||
| 2002 | Del Roca Energy Inc. | 1 | ||
| 2002 | Domcan Boundary Corp. | 1 | ||
| 2002 | Find Energy Ltd. | 1 | ||
| 2002 | Fish Creek Resources Inc. | 1 | ||
| 2002 | Glencoe Resources Ltd. | 1 | ||
| 2002 | Harvest Operations Corp. | 1 | ||
| 2002 | Kobi Resources Ltd. | 1 | ||
| 2002 | Markedon Energy Ltd. | 1 | ||
| 2002 | Provident Acquisitions Inc. | 1 | ||
| 2002 | Southward Energy Ltd. | 1 | ||
| 2002 | The Canadian Salt Company Limited La Societe Canadienne | 1 | ||
| 2002 | Ultima Ventures Corp. | 1 | ||
| 2003 | BP Canada Energy Company | 2070 | 2066.0 | |
| 2003 | Imperial Oil Resources Limited | 1301 | 1274.0 | |
| 2003 | ExxonMobil Canada Energy | 1178 | 1160.0 | |
| 2003 | Husky Oil Operations Limited | 814 | 754.0 | |
| 2003 | Encana Corporation | 692 | 667.0 | |
| 2003 | Home Oil Company Limited | 634 | 624.0 | |
| 2003 | Repsol Oil & Gas Canada Inc. | 489 | 469.0 | |
| 2003 | Shell Canada Limited | 456 | 454.0 | |
| 2003 | Chevron Canada Limited | 380 | 366.0 | |
| 2003 | Anadarko Canada Corporation | 274 | 268.0 | |
| 2003 | Obsidian Energy Ltd. | 210 | 159.0 | |
| 2003 | ConocoPhillips Canada Resources Corp. | 143 | 126.0 | |
| 2003 | Canadian Natural Resources Limited | 130 | 99.0 | |
| 2003 | Enerplus Resources Corporation | 129 | 126.0 | |
| 2003 | Paramount Resources (ACL) Ltd. | 126 | 89.0 | |
| 2003 | Redwater Water Disposal Company Limited | 124 | 121.0 | |
| 2003 | Pengrowth Corporation | 114 | 96.0 | |
| 2003 | Enermark Inc. | 106 | 90.0 | |
| 2003 | Suncor Energy Inc. | 103 | 101.0 | |
| 2003 | Pembina Pipeline Corporation | 83 | 77.0 | |
| 2003 | ConocoPhillips Canada (BRC) Ltd. | 75 | 74.0 | |
| 2003 | Devon Canada Corporation | 64 | 51.0 | |
| 2003 | 177293 Canada Ltd. | 62 | 60.0 | |
| 2003 | Encana Oil & Gas Co. Ltd. | 57 | 38.0 | |
| 2003 | Devon NEC Corporation | 56 | 52.0 | |
| 2003 | Primewest Energy Inc. | 45 | 38.0 | |
| 2003 | ARC Resources Ltd. | 42 | 39.0 | |
| 2003 | Vintage Petroleum Canada, Inc. | 32 | 31.0 | |
| 2003 | Marathon Canada Limited | 31 | 29.0 | |
| 2003 | EOG Resources Canada Inc. | 26 | 25.0 | |
| 2003 | Devon Aog Corporation | 25 | 24.0 | |
| 2003 | Summit Resources Limited | 22 | 18.0 | |
| 2003 | Bonavista Petroleum Ltd. | 20 | 14.0 | |
| 2003 | Nexen Canada Ltd. | 20 | 19.0 | |
| 2003 | Bearspaw Petroleum Ltd. | 19 | 17.0 | |
| 2003 | Altagas Services Inc. | 15 | 9.0 | |
| 2003 | Calpine Canada Resources Company | 15 | 14.0 | |
| 2003 | Lario Oil & Gas Company | 14 | 12.0 | |
| 2003 | Lexin Resources Ltd. | 14 | 10.0 | |
| 2003 | NAL Resources Limited | 14 | 13.0 | |
| 2003 | Petrobakken Development Ltd. | 14 | 11.0 | |
| 2003 | Petrofund Corp. | 13 | 5.0 | |
| 2003 | Vermilion Resources Ltd. | 13 | 12.0 | |
| 2003 | Viking Energy Acquisitions Ltd. | 13 | 12.0 | |
| 2003 | The Wiser Oil Company of Canada Ltd. | 12 | 10.0 | |
| 2003 | Gibson Energy ULC | 11 | 10.0 | |
| 2003 | Navigo Energy Inc. | 11 | 10.0 | |
| 2003 | Samson Canada, Ltd. | 11 | 10.0 | |
| 2003 | Baytex Energy Ltd. | 10 | 9.0 | |
| 2003 | Burlington Resources Canada (Hunter) Ltd. | 10 | 9.0 | |
| 2003 | Elk Point Resources Inc. | 10 | 8.0 | |
| 2003 | Rife Resources Ltd. | 10 | 9.0 | |
| 2003 | Zargon Oil & Gas Ltd. | 10 | 7.0 | |
| 2003 | Pride Energy Inc. | 9 | 8.0 | |
| 2003 | 1333002 Alberta Ltd. | 8 | 7.0 | |
| 2003 | Cequel Energy Inc. | 8 | 4.0 | |
| 2003 | Legal Oil & Gas Ltd. | 7 | 6.0 | |
| 2003 | Signalta Resources Limited | 7 | 6.0 | |
| 2003 | Advantage Oil & Gas Ltd. | 6 | 3.0 | |
| 2003 | Energy North Inc. | 6 | 5.0 | |
| 2003 | Shiningbank Energy Ltd. | 6 | 4.0 | |
| 2003 | Harvest Operations Corp. | 5 | 1.0 | |
| 2003 | Quarry Oil & Gas Ltd. | 5 | 2.0 | |
| 2003 | Viracocha Energy Inc. | 5 | ||
| 2003 | Acclaim Energy Inc. | 4 | 2.0 | |
| 2003 | Anterra Resources Inc. | 4 | ||
| 2003 | Surge Energy Inc. | 4 | ||
| 2003 | Viking Holdings Inc. | 4 | ||
| 2003 | Acclaim Energy West Inc. | 3 | ||
| 2003 | Celtic Exploration ULC | 3 | ||
| 2003 | Invasion Energy Inc. | 3 | 2.0 | |
| 2003 | Skylight Energy Resources Ltd. | 3 | 2.0 | |
| 2003 | Viking Keywest Inc. | 3 | ||
| 2003 | 3075704 Nova Scotia Company | 2 | ||
| 2003 | Bonterra Energy Corp. | 2 | ||
| 2003 | Cold Lake Pipeline Ltd. | 2 | ||
| 2003 | Fish Creek Resources Inc. | 2 | 1.0 | |
| 2003 | Kosowan Hydrocarbons Ltd. | 2 | ||
| 2003 | Pivotal Energy Ltd. | 2 | ||
| 2003 | Rival Energy Ltd. | 2 | ||
| 2003 | 935247 Alberta Inc. | 1 | ||
| 2003 | Belair Energy Corporation | 1 | ||
| 2003 | CNR Petro Resources Limited | 1 | ||
| 2003 | Capstone Energy Ltd. | 1 | ||
| 2003 | Compass Petroleum Inc. | 1 | ||
| 2003 | DGS Oil & Gas Co. Inc. | 1 | ||
| 2003 | Delphi Energy Corp. | 1 | ||
| 2003 | Devlan Exploration Inc. | 1 | ||
| 2003 | Direct Energy Marketing Limited | 1 | ||
| 2003 | E3 Energy Inc. | 1 | ||
| 2003 | E3 Oil & Gas Inc. | 1 | ||
| 2003 | EMM Energy Corporation | 1 | ||
| 2003 | Great Northern Exploration Ltd. | 1 | ||
| 2003 | Lightning Oil & Gas Ltd. | 1 | ||
| 2003 | Mama Santos Holdings Ltd | 1 | ||
| 2003 | Mec Operating Company ULC | 1 | ||
| 2003 | Olympia Energy Inc. | 1 | ||
| 2003 | Outlook Energy Corp. | 1 | ||
| 2003 | Pipeline Management Inc. | 1 | ||
| 2003 | Primewest Gas Corp. | 1 | ||
| 2004 | BP Canada Energy Company | 2074 | 2070.0 | |
| 2004 | Imperial Oil Resources Limited | 1317 | 1301.0 | |
| 2004 | ExxonMobil Canada Energy | 1191 | 1178.0 | |
| 2004 | Husky Oil Operations Limited | 883 | 814.0 | |
| 2004 | Encana Corporation | 711 | 692.0 | |
| 2004 | Petro-Canada | 597 | 594.0 | |
| 2004 | Repsol Oil & Gas Canada Inc. | 518 | 489.0 | |
| 2004 | Shell Canada Limited | 457 | 456.0 | |
| 2004 | Chevron Canada Limited | 385 | 380.0 | |
| 2004 | Anadarko Canada Corporation | 279 | 274.0 | |
| 2004 | Obsidian Energy Ltd. | 256 | 210.0 | |
| 2004 | Canadian Natural Resources Limited | 178 | 130.0 | |
| 2004 | ConocoPhillips Canada Resources Corp. | 160 | 143.0 | |
| 2004 | Paramount Resources (ACL) Ltd. | 155 | 126.0 | |
| 2004 | Enerplus Resources Corporation | 133 | 129.0 | |
| 2004 | Pengrowth Corporation | 125 | 114.0 | |
| 2004 | Enermark Inc. | 116 | 106.0 | |
| 2004 | Pembina Pipeline Corporation | 94 | 83.0 | |
| 2004 | Devon Canada Corporation | 84 | 64.0 | |
| 2004 | ConocoPhillips Canada (BRC) Ltd. | 78 | 75.0 | |
| 2004 | Encana Oil & Gas Co. Ltd. | 74 | 57.0 | |
| 2004 | Devon NEC Corporation | 60 | 56.0 | |
| 2004 | Primewest Energy Inc. | 59 | 45.0 | |
| 2004 | ARC Resources Ltd. | 55 | 42.0 | |
| 2004 | Rainbow Pipe Line Company Ulc | 46 | 44.0 | |
| 2004 | Bonavista Petroleum Ltd. | 34 | 20.0 | |
| 2004 | Vintage Petroleum Canada, Inc. | 33 | 32.0 | |
| 2004 | EOG Resources Canada Inc. | 28 | 26.0 | |
| 2004 | Devon Aog Corporation | 27 | 25.0 | |
| 2004 | ConocoPhillips Canada Limited | 24 | 22.0 | |
| 2004 | Bearspaw Petroleum Ltd. | 20 | 19.0 | |
| 2004 | Harvest Operations Corp. | 19 | 5.0 | |
| 2004 | Lexin Resources Ltd. | 15 | 14.0 | |
| 2004 | NAL Resources Limited | 15 | 14.0 | |
| 2004 | Petrobakken Development Ltd. | 15 | 14.0 | |
| 2004 | Petrofund Corp. | 15 | 13.0 | |
| 2004 | Vermilion Resources Ltd. | 15 | 13.0 | |
| 2004 | Tiverton Petroleums Ltd. | 14 | 13.0 | |
| 2004 | Baytex Energy Ltd. | 13 | 10.0 | |
| 2004 | Paramount Resources Ltd. | 12 | 11.0 | |
| 2004 | Renata Resources Inc. | 12 | 11.0 | |
| 2004 | Zargon Oil & Gas Ltd. | 12 | 10.0 | |
| 2004 | Rife Resources Ltd. | 11 | 10.0 | |
| 2004 | Pride Energy Inc. | 10 | 9.0 | |
| 2004 | 1333002 Alberta Ltd. | 9 | 8.0 | |
| 2004 | Advantage Oil & Gas Ltd. | 9 | 6.0 | |
| 2004 | Cequel Energy Inc. | 9 | 8.0 | |
| 2004 | Viking Holdings Inc. | 9 | 4.0 | |
| 2004 | Signalta Resources Limited | 8 | 7.0 | |
| 2004 | Viracocha Energy Inc. | 8 | 5.0 | |
| 2004 | Acclaim Energy Inc. | 7 | 4.0 | |
| 2004 | Quarry Oil & Gas Ltd. | 7 | 5.0 | |
| 2004 | Shiningbank Energy Ltd. | 7 | 6.0 | |
| 2004 | Acclaim Energy West Inc. | 6 | 3.0 | |
| 2004 | Equal Energy Corp. | 6 | 2.0 | |
| 2004 | Surge Energy Inc. | 6 | 4.0 | |
| 2004 | 6385206 Canada Inc. | 5 | 4.0 | |
| 2004 | Anterra Resources Inc. | 5 | 4.0 | |
| 2004 | Bonterra Energy Corp. | 5 | 2.0 | |
| 2004 | Celtic Exploration ULC | 5 | 3.0 | |
| 2004 | Chariot Energy Inc. | 5 | ||
| 2004 | Samson Calahoo Petroleum Ltd. | 5 | 4.0 | |
| 2004 | Taurus Exploration Canada Ltd. | 5 | 4.0 | |
| 2004 | APF Energy Inc. | 4 | 2.0 | |
| 2004 | Alberta Oil Sands Pipeline Ltd. | 4 | 3.0 | |
| 2004 | Atlas Energy Ltd. | 4 | 3.0 | |
| 2004 | Fortune Energy Inc. | 4 | ||
| 2004 | CNR Petro Resources Limited | 3 | 1.0 | |
| 2004 | Crescent Point Resources Ltd. | 3 | ||
| 2004 | Devlan Exploration Inc. | 3 | 1.0 | |
| 2004 | Glencoe Resources Ltd. | 3 | 1.0 | |
| 2004 | Grand Petroleum Inc. | 3 | ||
| 2004 | Great Northern Exploration Ltd. | 3 | 1.0 | |
| 2004 | Mec Operating Company ULC | 3 | 1.0 | |
| 2004 | Pipeline Management Inc. | 3 | 1.0 | |
| 2004 | Syncrude Canada Ltd. | 3 | 2.0 | |
| 2004 | Trans World Oil & Gas Ltd | 3 | 1.0 | |
| 2004 | Virtus Energy Ltd. | 3 | ||
| 2004 | 339157 Alberta Ltd. | 2 | ||
| 2004 | Argo Energy Ltd. | 2 | ||
| 2004 | City Of Medicine Hat | 2 | 1.0 | |
| 2004 | Compass Petroleum Inc. | 2 | 1.0 | |
| 2004 | Duvernay Oil Corp. | 2 | ||
| 2004 | E3 Energy Inc. | 2 | 1.0 | |
| 2004 | Forte Oil Corporation | 2 | ||
| 2004 | Markedon Energy Ltd. | 2 | 1.0 | |
| 2004 | Midcoast Canada Operating Corporation | 2 | ||
| 2004 | PMC (Nova Scotia) Company | 2 | ||
| 2004 | Primewest Gas Corp. | 2 | 1.0 | |
| 2004 | Provident Energy Ltd. | 2 | ||
| 2004 | Real Oil & Gas Corp. | 2 | ||
| 2004 | Tusk Energy (AB Production) Inc. | 2 | ||
| 2004 | Ultima Ventures Corp. | 2 | 1.0 | |
| 2004 | Viking Energy Ltd. | 2 | ||
| 2004 | 1107882 Alberta Ltd. | 1 | ||
| 2004 | 352119 Alberta Ltd. | 1 | ||
| 2004 | 873589 Alberta Ltd. | 1 | ||
| 2004 | 981405 Alberta Ltd. | 1 | ||
| 2004 | Bounty Developments Ltd. | 1 | ||
| 2004 | Bow Valley Energy Ltd. | 1 | ||
| 2005 | BP Canada Energy Company | 2078 | 2074.0 | |
| 2005 | Imperial Oil Resources Limited | 1332 | 1317.0 | |
| 2005 | ExxonMobil Canada Energy | 1203 | 1191.0 | |
| 2005 | Husky Oil Operations Limited | 954 | 883.0 | |
| 2005 | Encana Corporation | 725 | 711.0 | |
| 2005 | Petro-Canada | 603 | 597.0 | |
| 2005 | Repsol Oil & Gas Canada Inc. | 549 | 518.0 | |
| 2005 | Shell Canada Limited | 459 | 457.0 | |
| 2005 | Chevron Canada Limited | 390 | 385.0 | |
| 2005 | Obsidian Energy Ltd. | 304 | 256.0 | |
| 2005 | Anadarko Canada Corporation | 280 | 279.0 | |
| 2005 | Canadian Natural Resources Limited | 220 | 178.0 | |
| 2005 | Paramount Resources (ACL) Ltd. | 182 | 155.0 | |
| 2005 | ConocoPhillips Canada Resources Corp. | 172 | 160.0 | |
| 2005 | Enerplus Resources Corporation | 149 | 133.0 | |
| 2005 | Pengrowth Corporation | 132 | 125.0 | |
| 2005 | Enermark Inc. | 126 | 116.0 | |
| 2005 | Redwater Water Disposal Company Limited | 125 | 124.0 | |
| 2005 | Devon Canada Corporation | 102 | 84.0 | |
| 2005 | Pembina Pipeline Corporation | 97 | 94.0 | |
| 2005 | Encana Oil & Gas Co. Ltd. | 92 | 74.0 | |
| 2005 | ConocoPhillips Canada (BRC) Ltd. | 79 | 78.0 | |
| 2005 | Pioneer Natural Resources Canada Inc. | 76 | 75.0 | |
| 2005 | Primewest Energy Inc. | 66 | 59.0 | |
| 2005 | ARC Resources Ltd. | 64 | 55.0 | |
| 2005 | Devon NEC Corporation | 61 | 60.0 | |
| 2005 | Harvest Operations Corp. | 46 | 19.0 | |
| 2005 | Bonavista Petroleum Ltd. | 41 | 34.0 | |
| 2005 | EOG Resources Canada Inc. | 33 | 28.0 | |
| 2005 | Devon Aog Corporation | 31 | 27.0 | |
| 2005 | Bearspaw Petroleum Ltd. | 26 | 20.0 | |
| 2005 | Lario Oil & Gas Company | 21 | 14.0 | |
| 2005 | NOVA Gas Transmission Ltd. | 20 | 12.0 | |
| 2005 | Vermilion Resources Ltd. | 20 | 15.0 | |
| 2005 | Baytex Energy Ltd. | 18 | 13.0 | |
| 2005 | NAL Resources Limited | 18 | 15.0 | |
| 2005 | Petrofund Corp. | 18 | 15.0 | |
| 2005 | Lexin Resources Ltd. | 17 | 15.0 | |
| 2005 | Petrobakken Development Ltd. | 16 | 15.0 | |
| 2005 | Tiverton Petroleums Ltd. | 16 | 14.0 | |
| 2005 | Viking Holdings Inc. | 16 | 9.0 | |
| 2005 | Acclaim Energy Inc. | 15 | 7.0 | |
| 2005 | Paramount Resources Ltd. | 14 | 12.0 | |
| 2005 | Advantage Oil & Gas Ltd. | 13 | 9.0 | |
| 2005 | Navigo Energy Inc. | 13 | 11.0 | |
| 2005 | 1107882 Alberta Ltd. | 12 | 1.0 | |
| 2005 | 1333002 Alberta Ltd. | 12 | 9.0 | |
| 2005 | Comstate Resources Ltd. | 12 | 11.0 | |
| 2005 | Gibson Energy ULC | 12 | 11.0 | |
| 2005 | Rife Resources Ltd. | 12 | 11.0 | |
| 2005 | Burlington Resources Canada (Hunter) Ltd. | 11 | 10.0 | |
| 2005 | Signalta Resources Limited | 11 | 8.0 | |
| 2005 | Celtic Exploration ULC | 10 | 5.0 | |
| 2005 | Equal Energy Corp. | 10 | 6.0 | |
| 2005 | APF Energy Inc. | 9 | 4.0 | |
| 2005 | AltaGas Ltd. | 9 | ||
| 2005 | Shiningbank Energy Ltd. | 9 | 7.0 | |
| 2005 | Anterra Resources Inc. | 8 | 5.0 | |
| 2005 | Chariot Energy Inc. | 8 | 5.0 | |
| 2005 | Northrock Resources Ltd. | 8 | 7.0 | |
| 2005 | Surge Energy Inc. | 8 | 6.0 | |
| 2005 | Atlas Energy Ltd. | 7 | 4.0 | |
| 2005 | Pipeline Management Inc. | 7 | 3.0 | |
| 2005 | Bonterra Energy Corp. | 6 | 5.0 | |
| 2005 | Crescent Point Resources Ltd. | 6 | 3.0 | |
| 2005 | Fortune Energy Inc. | 6 | 4.0 | |
| 2005 | Response Energy Corporation | 6 | 5.0 | |
| 2005 | Samson Calahoo Petroleum Ltd. | 6 | 5.0 | |
| 2005 | Alberta Oil Sands Pipeline Ltd. | 5 | 4.0 | |
| 2005 | Compass Petroleum Inc. | 5 | 2.0 | |
| 2005 | Grand Petroleum Inc. | 5 | 3.0 | |
| 2005 | Highpine Oil & Gas Limited | 5 | ||
| 2005 | Mec Operating Company ULC | 5 | 3.0 | |
| 2005 | Alberta Products Pipe Line Ltd | 4 | 3.0 | |
| 2005 | CNR Petro Resources Limited | 4 | 3.0 | |
| 2005 | Daylight Energy Ltd. | 4 | ||
| 2005 | Delphi Energy Corp. | 4 | 1.0 | |
| 2005 | Devlan Exploration Inc. | 4 | 3.0 | |
| 2005 | NuVista Energy Ltd. | 4 | ||
| 2005 | Provident Energy Ltd. | 4 | 2.0 | |
| 2005 | Syncrude Canada Ltd. | 4 | 3.0 | |
| 2005 | City Of Medicine Hat | 3 | 2.0 | |
| 2005 | Coastal Resources Limited | 3 | 2.0 | |
| 2005 | E3 Energy Inc. | 3 | 2.0 | |
| 2005 | Markedon Energy Ltd. | 3 | 2.0 | |
| 2005 | PMC (Nova Scotia) Company | 3 | 2.0 | |
| 2005 | Primewest Gas Corp. | 3 | 2.0 | |
| 2005 | Provident Acquisitions Inc. | 3 | 1.0 | |
| 2005 | Viking Energy Ltd. | 3 | 2.0 | |
| 2005 | 873589 Alberta Ltd. | 2 | 1.0 | |
| 2005 | Choice Resources Corp. | 2 | ||
| 2005 | Cyries Energy Inc. | 2 | ||
| 2005 | Eclipse Resources Ltd. | 2 | ||
| 2005 | Gentry Resources Ltd. | 2 | ||
| 2005 | Inter Pipeline (Corridor) Inc. | 2 | ||
| 2005 | Kanati Energy Incorporated | 2 | ||
| 2005 | Masters Energy Inc. | 2 | ||
| 2005 | Tervita Corporation | 2 | ||
| 2005 | 1170210 Alberta Ltd. | 1 | ||
| 2005 | ATCO Gas And Pipelines Ltd. | 1 | ||
| 2006 | BP Canada Energy Company | 2080 | 2078.0 | |
| 2006 | Imperial Oil Resources Limited | 1347 | 1332.0 | |
| 2006 | ExxonMobil Canada Energy | 1209 | 1203.0 | |
| 2006 | Husky Oil Operations Limited | 1010 | 954.0 | |
| 2006 | Encana Corporation | 739 | 725.0 | |
| 2006 | Petro-Canada | 607 | 603.0 | |
| 2006 | Repsol Oil & Gas Canada Inc. | 592 | 549.0 | |
| 2006 | Shell Canada Limited | 461 | 459.0 | |
| 2006 | Obsidian Energy Ltd. | 348 | 304.0 | |
| 2006 | Anadarko Canada Corporation | 283 | 280.0 | |
| 2006 | Canadian Natural Resources Limited | 247 | 220.0 | |
| 2006 | Paramount Resources (ACL) Ltd. | 214 | 182.0 | |
| 2006 | ConocoPhillips Canada Resources Corp. | 182 | 172.0 | |
| 2006 | Enerplus Resources Corporation | 164 | 149.0 | |
| 2006 | Pengrowth Corporation | 145 | 132.0 | |
| 2006 | Enermark Inc. | 140 | 126.0 | |
| 2006 | Devon Canada Corporation | 135 | 102.0 | |
| 2006 | Redwater Water Disposal Company Limited | 126 | 125.0 | |
| 2006 | Nexen Energy ULC | 122 | 120.0 | |
| 2006 | Encana Oil & Gas Co. Ltd. | 109 | 92.0 | |
| 2006 | Pembina Pipeline Corporation | 99 | 97.0 | |
| 2006 | ARC Resources Ltd. | 91 | 64.0 | |
| 2006 | Pioneer Natural Resources Canada Inc. | 77 | 76.0 | |
| 2006 | Primewest Energy Inc. | 71 | 66.0 | |
| 2006 | Harvest Operations Corp. | 68 | 46.0 | |
| 2006 | Bonavista Petroleum Ltd. | 51 | 41.0 | |
| 2006 | Rainbow Pipe Line Company Ulc | 50 | 46.0 | |
| 2006 | EOG Resources Canada Inc. | 34 | 33.0 | |
| 2006 | Bearspaw Petroleum Ltd. | 28 | 26.0 | |
| 2006 | NOVA Gas Transmission Ltd. | 26 | 20.0 | |
| 2006 | Canetic Resources Inc. | 24 | ||
| 2006 | NAL Resources Limited | 22 | 18.0 | |
| 2006 | Vermilion Resources Ltd. | 21 | 20.0 | |
| 2006 | Viking Holdings Inc. | 21 | 16.0 | |
| 2006 | Petrofund Corp. | 20 | 18.0 | |
| 2006 | Taku Gas Limited | 20 | 19.0 | |
| 2006 | Advantage Oil & Gas Ltd. | 18 | 13.0 | |
| 2006 | Lexin Resources Ltd. | 18 | 17.0 | |
| 2006 | Petrobakken Development Ltd. | 18 | 16.0 | |
| 2006 | Equal Energy Corp. | 16 | 10.0 | |
| 2006 | Paramount Resources Ltd. | 15 | 14.0 | |
| 2006 | 1333002 Alberta Ltd. | 14 | 12.0 | |
| 2006 | Atlas Energy Ltd. | 14 | 7.0 | |
| 2006 | Crescent Point Resources Ltd. | 14 | 6.0 | |
| 2006 | Gibson Energy ULC | 14 | 12.0 | |
| 2006 | Navigo Energy Inc. | 14 | 13.0 | |
| 2006 | NuVista Energy Ltd. | 13 | 4.0 | |
| 2006 | Rife Resources Ltd. | 13 | 12.0 | |
| 2006 | Signalta Resources Limited | 13 | 11.0 | |
| 2006 | Zargon Oil & Gas Ltd. | 13 | 12.0 | |
| 2006 | AltaGas Ltd. | 12 | 9.0 | |
| 2006 | Burlington Resources Canada (Hunter) Ltd. | 12 | 11.0 | |
| 2006 | Celtic Exploration ULC | 11 | 10.0 | |
| 2006 | Surge Energy Inc. | 11 | 8.0 | |
| 2006 | Pipeline Management Inc. | 9 | 7.0 | |
| 2006 | Grand Petroleum Inc. | 8 | 5.0 | |
| 2006 | Mec Operating Company ULC | 7 | 5.0 | |
| 2006 | Alberta Oil Sands Pipeline Ltd. | 6 | 5.0 | |
| 2006 | Coastal Resources Limited | 6 | 3.0 | |
| 2006 | Compass Petroleum Inc. | 6 | 5.0 | |
| 2006 | Provident Energy Ltd. | 6 | 4.0 | |
| 2006 | Sarg Oils Ltd. | 6 | 5.0 | |
| 2006 | City Of Medicine Hat | 5 | 3.0 | |
| 2006 | Daylight Energy Ltd. | 5 | 4.0 | |
| 2006 | Newalta Corporation | 5 | 4.0 | |
| 2006 | Syncrude Canada Ltd. | 5 | 4.0 | |
| 2006 | Trilogy Resources Ltd. | 5 | ||
| 2006 | King Energy Inc. | 4 | 3.0 | |
| 2006 | PMC (Nova Scotia) Company | 4 | 3.0 | |
| 2006 | Shenandoah Resources Ltd. | 4 | 3.0 | |
| 2006 | Vault Energy Inc. | 4 | ||
| 2006 | 873589 Alberta Ltd. | 3 | 2.0 | |
| 2006 | Alberta Oilsands Inc. | 3 | ||
| 2006 | Barrick Energy Inc. | 3 | ||
| 2006 | Clear Energy Inc. | 3 | ||
| 2006 | Cyries Energy Inc. | 3 | 2.0 | |
| 2006 | E4 Energy Inc. | 3 | ||
| 2006 | Kick Energy Corporation | 3 | ||
| 2006 | Mission Oil & Gas Inc. | 3 | ||
| 2006 | Rival Energy Ltd. | 3 | 2.0 | |
| 2006 | ACC-CNR Resources Corporation | 2 | ||
| 2006 | C1 Energy Ltd. | 2 | ||
| 2006 | Cams Midstream Services ULC | 2 | ||
| 2006 | Centrica Canada Limited | 2 | ||
| 2006 | Cynthia Gas Gathering Company Limited | 2 | 1.0 | |
| 2006 | Enbridge Pipelines (Athabasca) Inc. | 2 | ||
| 2006 | Keyera Energy Ltd. | 2 | ||
| 2006 | Madison Energy Corp. | 2 | ||
| 2006 | Petrobank Energy And Resources Ltd. | 2 | ||
| 2006 | Prospex Resources Ltd. | 2 | ||
| 2006 | Sequoia Resources Corp. | 2 | ||
| 2006 | Sonde Resources Corp. | 2 | ||
| 2006 | Thunder Energy Inc. | 2 | ||
| 2006 | 385417 Alberta Ltd. | 1 | ||
| 2006 | Blackrock Ventures Inc. | 1 | ||
| 2006 | CNR (Echo) Resources Inc. | 1 | ||
| 2006 | Defiant Resources Corporation | 1 | ||
| 2006 | Drumlin Energy Corp. | 1 | ||
| 2006 | EOG Resources Canada Company | 1 | ||
| 2006 | Enerplus Oil & Gas Ltd. | 1 | ||
| 2007 | BP Canada Energy Company | 2083 | 2080.0 | |
| 2007 | Imperial Oil Resources Limited | 1354 | 1347.0 | |
| 2007 | ExxonMobil Canada Energy | 1212 | 1209.0 | |
| 2007 | Husky Oil Operations Limited | 1083 | 1010.0 | |
| 2007 | Encana Corporation | 751 | 739.0 | |
| 2007 | Repsol Oil & Gas Canada Inc. | 629 | 592.0 | |
| 2007 | Petro-Canada | 614 | 607.0 | |
| 2007 | Shell Canada Limited | 463 | 461.0 | |
| 2007 | Obsidian Energy Ltd. | 424 | 348.0 | |
| 2007 | Canadian Natural Resources Limited | 283 | 247.0 | |
| 2007 | Paramount Resources (ACL) Ltd. | 240 | 214.0 | |
| 2007 | ConocoPhillips Canada Resources Corp. | 190 | 182.0 | |
| 2007 | Enerplus Resources Corporation | 177 | 164.0 | |
| 2007 | Pengrowth Corporation | 171 | 145.0 | |
| 2007 | Devon Canada Corporation | 168 | 135.0 | |
| 2007 | Enermark Inc. | 145 | 140.0 | |
| 2007 | Redwater Water Disposal Company Limited | 127 | 126.0 | |
| 2007 | Encana Oil & Gas Co. Ltd. | 126 | 109.0 | |
| 2007 | Nexen Energy ULC | 125 | 122.0 | |
| 2007 | ARC Resources Ltd. | 110 | 91.0 | |
| 2007 | Suncor Energy Inc. | 105 | 103.0 | |
| 2007 | Pembina Pipeline Corporation | 104 | 99.0 | |
| 2007 | Harvest Operations Corp. | 86 | 68.0 | |
| 2007 | ConocoPhillips Canada (BRC) Ltd. | 83 | 79.0 | |
| 2007 | Primewest Energy Inc. | 82 | 71.0 | |
| 2007 | Bonavista Petroleum Ltd. | 63 | 51.0 | |
| 2007 | Canetic Resources Inc. | 51 | 24.0 | |
| 2007 | Rainbow Pipe Line Company Ulc | 51 | 50.0 | |
| 2007 | NOVA Gas Transmission Ltd. | 39 | 26.0 | |
| 2007 | EOG Resources Canada Inc. | 37 | 34.0 | |
| 2007 | Bearspaw Petroleum Ltd. | 30 | 28.0 | |
| 2007 | ConocoPhillips Canada Limited | 26 | 24.0 | |
| 2007 | Equal Energy Corp. | 26 | 16.0 | |
| 2007 | Murphy Oil Company Ltd. | 26 | 24.0 | |
| 2007 | NAL Resources Limited | 26 | 22.0 | |
| 2007 | Vermilion Resources Ltd. | 23 | 21.0 | |
| 2007 | Advantage Oil & Gas Ltd. | 22 | 18.0 | |
| 2007 | Rife Resources Ltd. | 20 | 13.0 | |
| 2007 | Baytex Energy Ltd. | 19 | 18.0 | |
| 2007 | Lexin Resources Ltd. | 19 | 18.0 | |
| 2007 | Petrobakken Development Ltd. | 19 | 18.0 | |
| 2007 | NuVista Energy Ltd. | 16 | 13.0 | |
| 2007 | Paramount Resources Ltd. | 16 | 15.0 | |
| 2007 | Signalta Resources Limited | 15 | 13.0 | |
| 2007 | Zargon Oil & Gas Ltd. | 15 | 13.0 | |
| 2007 | AltaGas Ltd. | 14 | 12.0 | |
| 2007 | Celtic Exploration ULC | 14 | 11.0 | |
| 2007 | Surge Energy Inc. | 14 | 11.0 | |
| 2007 | Barrick Energy Inc. | 13 | 3.0 | |
| 2007 | Burlington Resources Canada (Hunter) Ltd. | 13 | 12.0 | |
| 2007 | Pipeline Management Inc. | 12 | 9.0 | |
| 2007 | Daylight Energy Ltd. | 10 | 5.0 | |
| 2007 | Provident Energy Ltd. | 10 | 6.0 | |
| 2007 | Bonterra Energy Corp. | 9 | 6.0 | |
| 2007 | City Of Medicine Hat | 9 | 5.0 | |
| 2007 | Crescent Point General Partner Corp. | 9 | ||
| 2007 | Grand Petroleum Inc. | 9 | 8.0 | |
| 2007 | Mec Operating Company ULC | 9 | 7.0 | |
| 2007 | Highpine Oil & Gas Limited | 8 | 5.0 | |
| 2007 | Syncrude Canada Ltd. | 8 | 5.0 | |
| 2007 | Trilogy Resources Ltd. | 8 | 5.0 | |
| 2007 | Vault Energy Inc. | 8 | 4.0 | |
| 2007 | Alberta Oil Sands Pipeline Ltd. | 7 | 6.0 | |
| 2007 | PMC (Nova Scotia) Company | 6 | 4.0 | |
| 2007 | Delphi Energy Corp. | 5 | 4.0 | |
| 2007 | Sequoia Resources Corp. | 5 | 2.0 | |
| 2007 | Assure Energy, Inc. | 4 | ||
| 2007 | Cyries Energy Inc. | 4 | 3.0 | |
| 2007 | E4 Energy Inc. | 4 | 3.0 | |
| 2007 | Invasion Energy Inc. | 4 | 3.0 | |
| 2007 | Madison Energy Corp. | 4 | 2.0 | |
| 2007 | True Energy Inc. | 4 | ||
| 2007 | Virtus Energy Ltd. | 4 | 3.0 | |
| 2007 | Cold Lake Pipeline Ltd. | 3 | 2.0 | |
| 2007 | Duvernay Oil Corp. | 3 | 2.0 | |
| 2007 | Enbridge Pipelines (Athabasca) Inc. | 3 | 2.0 | |
| 2007 | Gentry Resources Ltd. | 3 | 2.0 | |
| 2007 | MEG Energy Corp. | 3 | ||
| 2007 | Prospex Resources Ltd. | 3 | 2.0 | |
| 2007 | 1851328 Alberta Ltd. | 2 | ||
| 2007 | 981405 Alberta Ltd. | 2 | 1.0 | |
| 2007 | Anterra Energy Inc. | 2 | ||
| 2007 | Capitol Energy Resources Ltd. | 2 | ||
| 2007 | Cordero Energy Inc. | 2 | ||
| 2007 | Esprit Exploration Ltd. | 2 | ||
| 2007 | Guide Exploration Ltd. | 2 | ||
| 2007 | Kobi Resources Ltd. | 2 | 1.0 | |
| 2007 | Peyto Exploration & Development Corp. | 2 | ||
| 2007 | Santonia Energy Inc. | 2 | ||
| 2007 | Sebring Energy Inc. | 2 | ||
| 2007 | Sunrise Energy Ltd. | 2 | ||
| 2007 | Tusk Energy Corporation | 2 | ||
| 2007 | 1107567 Alberta Ltd. | 1 | ||
| 2007 | Action Energy Inc. | 1 | ||
| 2007 | Adamant Energy Inc. | 1 | ||
| 2007 | Angle Energy Inc. | 1 | ||
| 2007 | Detector Exploration Ltd. | 1 | ||
| 2007 | Exshaw Oil Corp. | 1 | ||
| 2007 | Hawthorne Energy Ltd. | 1 | ||
| 2007 | Iron Bridge Resources Inc. | 1 | ||
| 2008 | BP Canada Energy Company | 2083 | 2083.0 | |
| 2008 | Imperial Oil Resources Limited | 1364 | 1354.0 | |
| 2008 | ExxonMobil Canada Energy | 1213 | 1212.0 | |
| 2008 | Husky Oil Operations Limited | 1142 | 1083.0 | |
| 2008 | Encana Corporation | 763 | 751.0 | |
| 2008 | Repsol Oil & Gas Canada Inc. | 649 | 629.0 | |
| 2008 | Petro-Canada | 615 | 614.0 | |
| 2008 | Obsidian Energy Ltd. | 522 | 424.0 | |
| 2008 | Canadian Natural Resources Limited | 325 | 283.0 | |
| 2008 | Paramount Resources (ACL) Ltd. | 249 | 240.0 | |
| 2008 | Devon Canada Corporation | 203 | 168.0 | |
| 2008 | Pengrowth Corporation | 201 | 171.0 | |
| 2008 | Enerplus Resources Corporation | 200 | 177.0 | |
| 2008 | ConocoPhillips Canada Resources Corp. | 197 | 190.0 | |
| 2008 | Enermark Inc. | 164 | 145.0 | |
| 2008 | Encana Oil & Gas Co. Ltd. | 156 | 126.0 | |
| 2008 | Redwater Water Disposal Company Limited | 133 | 127.0 | |
| 2008 | ARC Resources Ltd. | 131 | 110.0 | |
| 2008 | Nexen Energy ULC | 126 | 125.0 | |
| 2008 | Harvest Operations Corp. | 110 | 86.0 | |
| 2008 | Pembina Pipeline Corporation | 107 | 104.0 | |
| 2008 | Suncor Energy Inc. | 107 | 105.0 | |
| 2008 | Primewest Energy Inc. | 87 | 82.0 | |
| 2008 | ConocoPhillips Canada (BRC) Ltd. | 86 | 83.0 | |
| 2008 | Bonavista Petroleum Ltd. | 77 | 63.0 | |
| 2008 | Canetic Resources Inc. | 52 | 51.0 | |
| 2008 | NOVA Gas Transmission Ltd. | 52 | 39.0 | |
| 2008 | EOG Resources Canada Inc. | 43 | 37.0 | |
| 2008 | Bearspaw Petroleum Ltd. | 33 | 30.0 | |
| 2008 | NAL Resources Limited | 32 | 26.0 | |
| 2008 | Equal Energy Corp. | 30 | 26.0 | |
| 2008 | Advantage Oil & Gas Ltd. | 27 | 22.0 | |
| 2008 | ConocoPhillips Canada Limited | 27 | 26.0 | |
| 2008 | Murphy Oil Company Ltd. | 27 | 26.0 | |
| 2008 | Vermilion Resources Ltd. | 26 | 23.0 | |
| 2008 | Baytex Energy Ltd. | 22 | 19.0 | |
| 2008 | Rife Resources Ltd. | 21 | 20.0 | |
| 2008 | Lexin Resources Ltd. | 20 | 19.0 | |
| 2008 | Crescent Point General Partner Corp. | 18 | 9.0 | |
| 2008 | Paramount Resources Ltd. | 18 | 16.0 | |
| 2008 | Zargon Oil & Gas Ltd. | 18 | 15.0 | |
| 2008 | Signalta Resources Limited | 16 | 15.0 | |
| 2008 | Surge Energy Inc. | 16 | 14.0 | |
| 2008 | AltaGas Ltd. | 15 | 14.0 | |
| 2008 | Gentry Resources Ltd. | 15 | 3.0 | |
| 2008 | Gibson Energy ULC | 15 | 14.0 | |
| 2008 | Barrick Energy Inc. | 14 | 13.0 | |
| 2008 | Pipeline Management Inc. | 14 | 12.0 | |
| 2008 | Provident Energy Ltd. | 14 | 10.0 | |
| 2008 | FET Resources Ltd. | 13 | 9.0 | |
| 2008 | Daylight Energy Ltd. | 11 | 10.0 | |
| 2008 | Mec Operating Company ULC | 11 | 9.0 | |
| 2008 | Trilogy Resources Ltd. | 11 | 8.0 | |
| 2008 | Bonterra Energy Corp. | 10 | 9.0 | |
| 2008 | City Of Medicine Hat | 10 | 9.0 | |
| 2008 | Prairie Provident Resources Canada Ltd. | 10 | 9.0 | |
| 2008 | Sequoia Resources Corp. | 9 | 5.0 | |
| 2008 | Syncrude Canada Ltd. | 9 | 8.0 | |
| 2008 | Coastal Resources Limited | 8 | 6.0 | |
| 2008 | Compass Petroleum Inc. | 8 | 6.0 | |
| 2008 | Cangild Resources Ltd. | 7 | 6.0 | |
| 2008 | Guide Exploration Ltd. | 7 | 2.0 | |
| 2008 | Newalta Corporation | 7 | 5.0 | |
| 2008 | Cyries Energy Inc. | 6 | 4.0 | |
| 2008 | Provident Acquisitions Inc. | 6 | 3.0 | |
| 2008 | 1851328 Alberta Ltd. | 5 | 2.0 | |
| 2008 | Avenir Operating Corp. | 5 | ||
| 2008 | E4 Energy Inc. | 5 | 4.0 | |
| 2008 | Iteration Energy Ltd. | 5 | ||
| 2008 | Alberta Oilsands Inc. | 4 | 3.0 | |
| 2008 | Cold Lake Pipeline Ltd. | 4 | 3.0 | |
| 2008 | Keyera Energy Ltd. | 4 | 2.0 | |
| 2008 | MEG Energy Corp. | 4 | 3.0 | |
| 2008 | Santonia Energy Inc. | 4 | 2.0 | |
| 2008 | Skylight Energy Resources Ltd. | 4 | 3.0 | |
| 2008 | Inter Pipeline (Corridor) Inc. | 3 | 2.0 | |
| 2008 | Rider Resources Ltd. | 3 | ||
| 2008 | Triaxon Energy Inc. | 3 | ||
| 2008 | ATCO Midstream Ltd. | 2 | 1.0 | |
| 2008 | Birchcliff Energy Ltd. | 2 | ||
| 2008 | Iron Bridge Resources Inc. | 2 | 1.0 | |
| 2008 | Journey Energy Inc. | 2 | ||
| 2008 | Lockwood Resources Ltd. | 2 | ||
| 2008 | Mosaic Energy Ltd. | 2 | ||
| 2008 | Orion Oil & Gas (North America) Ltd. | 2 | ||
| 2008 | Petenco Resources Ltd. | 2 | ||
| 2008 | Provident Energy Resources Inc. | 2 | ||
| 2008 | SemCAMS ULC | 2 | ||
| 2008 | Storm Exploration Inc. | 2 | ||
| 2008 | Wolf Coulee Resources Inc. | 2 | ||
| 2008 | 1576442 Alberta Ltd. | 1 | ||
| 2008 | Albian Sands Energy Inc. | 1 | ||
| 2008 | Bountiful Resources Inc. | 1 | ||
| 2008 | Bronco Energy Ltd. | 1 | ||
| 2008 | Buffalo Resources Corp. | 1 | ||
| 2008 | Calver Resources Inc. | 1 | ||
| 2008 | Cenovus FCCL Ltd. | 1 | ||
| 2008 | Corinthian Energy Corp. | 1 | ||
| 2008 | Diaz Resources Ltd. | 1 | ||
| 2008 | Drake Energy Ltd. | 1 | ||
| 2008 | Gamet Resources Ltd. | 1 | ||
| 2009 | BP Canada Energy Company | 2086 | 2083.0 | |
| 2009 | Imperial Oil Resources Limited | 1373 | 1364.0 | |
| 2009 | ExxonMobil Canada Energy | 1214 | 1213.0 | |
| 2009 | Husky Oil Operations Limited | 1188 | 1142.0 | |
| 2009 | Encana Corporation | 774 | 763.0 | |
| 2009 | Repsol Oil & Gas Canada Inc. | 659 | 649.0 | |
| 2009 | Obsidian Energy Ltd. | 619 | 522.0 | |
| 2009 | Shell Canada Limited | 465 | 463.0 | |
| 2009 | Canadian Natural Resources Limited | 372 | 325.0 | |
| 2009 | Paramount Resources (ACL) Ltd. | 261 | 249.0 | |
| 2009 | Devon Canada Corporation | 221 | 203.0 | |
| 2009 | Pengrowth Corporation | 215 | 201.0 | |
| 2009 | Enerplus Resources Corporation | 208 | 200.0 | |
| 2009 | ConocoPhillips Canada Resources Corp. | 202 | 197.0 | |
| 2009 | Enermark Inc. | 183 | 164.0 | |
| 2009 | Encana Oil & Gas Co. Ltd. | 169 | 156.0 | |
| 2009 | ARC Resources Ltd. | 139 | 131.0 | |
| 2009 | Redwater Water Disposal Company Limited | 134 | 133.0 | |
| 2009 | Harvest Operations Corp. | 122 | 110.0 | |
| 2009 | Pembina Pipeline Corporation | 110 | 107.0 | |
| 2009 | Suncor Energy Inc. | 109 | 107.0 | |
| 2009 | ConocoPhillips Canada (BRC) Ltd. | 90 | 86.0 | |
| 2009 | Bonavista Petroleum Ltd. | 81 | 77.0 | |
| 2009 | EOG Resources Canada Inc. | 45 | 43.0 | |
| 2009 | Bearspaw Petroleum Ltd. | 35 | 33.0 | |
| 2009 | Equal Energy Corp. | 35 | 30.0 | |
| 2009 | NAL Resources Limited | 34 | 32.0 | |
| 2009 | Vermilion Resources Ltd. | 31 | 26.0 | |
| 2009 | Advantage Oil & Gas Ltd. | 30 | 27.0 | |
| 2009 | Murphy Oil Company Ltd. | 30 | 27.0 | |
| 2009 | Baytex Energy Ltd. | 24 | 22.0 | |
| 2009 | Rife Resources Ltd. | 22 | 21.0 | |
| 2009 | Zargon Oil & Gas Ltd. | 22 | 18.0 | |
| 2009 | AltaGas Ltd. | 21 | 15.0 | |
| 2009 | Daylight Energy Ltd. | 21 | 11.0 | |
| 2009 | Petrobakken Development Ltd. | 20 | 19.0 | |
| 2009 | Paramount Resources Ltd. | 19 | 18.0 | |
| 2009 | Provident Energy Ltd. | 19 | 14.0 | |
| 2009 | Barrick Energy Inc. | 18 | 14.0 | |
| 2009 | Celtic Exploration ULC | 17 | 14.0 | |
| 2009 | NuVista Energy Ltd. | 17 | 16.0 | |
| 2009 | Pipeline Management Inc. | 17 | 14.0 | |
| 2009 | Sequoia Resources Corp. | 17 | 9.0 | |
| 2009 | Signalta Resources Limited | 17 | 16.0 | |
| 2009 | Surge Energy Inc. | 17 | 16.0 | |
| 2009 | Gibson Energy ULC | 16 | 15.0 | |
| 2009 | FET Resources Ltd. | 14 | 13.0 | |
| 2009 | Mec Operating Company ULC | 13 | 11.0 | |
| 2009 | City Of Medicine Hat | 12 | 10.0 | |
| 2009 | Keles Production Company Ltd. | 12 | 11.0 | |
| 2009 | Trilogy Resources Ltd. | 12 | 11.0 | |
| 2009 | Prairie Provident Resources Canada Ltd. | 11 | 10.0 | |
| 2009 | Provident Acquisitions Inc. | 11 | 6.0 | |
| 2009 | Anterra Energy Inc. | 10 | 2.0 | |
| 2009 | Guide Exploration Ltd. | 10 | 7.0 | |
| 2009 | Alberta Oil Sands Pipeline Ltd. | 8 | 7.0 | |
| 2009 | Cangild Resources Ltd. | 8 | 7.0 | |
| 2009 | Cyries Energy Inc. | 7 | 6.0 | |
| 2009 | Fortune Energy Inc. | 7 | 6.0 | |
| 2009 | Halvar Resources Ltd. | 7 | 6.0 | |
| 2009 | Iteration Energy Ltd. | 7 | 5.0 | |
| 2009 | Orion Oil & Gas (North America) Ltd. | 7 | 2.0 | |
| 2009 | Response Energy Corporation | 7 | 6.0 | |
| 2009 | ConocoPhillips Canada Operations ULC | 6 | ||
| 2009 | True Energy Inc. | 6 | 4.0 | |
| 2009 | Keyera Energy Ltd. | 5 | 4.0 | |
| 2009 | Provident Energy Resources Inc. | 5 | 2.0 | |
| 2009 | Enbridge Pipelines (Athabasca) Inc. | 4 | 3.0 | |
| 2009 | Wild Stream Exploration Inc. | 4 | ||
| 2009 | Cenovus FCCL Ltd. | 3 | 1.0 | |
| 2009 | Centrica Canada Limited | 3 | 2.0 | |
| 2009 | Direct Energy Marketing Limited | 3 | 1.0 | |
| 2009 | Iron Bridge Resources Inc. | 3 | 2.0 | |
| 2009 | Journey Energy Inc. | 3 | 2.0 | |
| 2009 | Masters Energy Inc. | 3 | 2.0 | |
| 2009 | Tervita Corporation | 3 | 2.0 | |
| 2009 | Yangarra Resources Corp. | 3 | ||
| 2009 | Albian Sands Energy Inc. | 2 | 1.0 | |
| 2009 | CNR (Echo) Resources Inc. | 2 | 1.0 | |
| 2009 | Crew Energy Inc. | 2 | ||
| 2009 | Exshaw Oil Corp. | 2 | 1.0 | |
| 2009 | Monterey Exploration Ltd. | 2 | ||
| 2009 | Plains Midstream Canada ULC | 2 | ||
| 2009 | Progress Energy Ltd. | 2 | ||
| 2009 | Big Country Gas Co-Op Ltd. | 1 | ||
| 2009 | Central Global Resources, ULC | 1 | ||
| 2009 | Connacher Oil And Gas Limited | 1 | ||
| 2009 | Cutpick Energy Inc. | 1 | ||
| 2009 | Eiger Energy Ltd. | 1 | ||
| 2009 | Enbridge Midstream Inc. | 1 | ||
| 2009 | Kerrisdale Resources Ltd. | 1 | ||
| 2009 | Luxur Resources Inc. | 1 | ||
| 2009 | Petro Buyers Inc. | 1 | ||
| 2009 | Poseidon Concepts Corp. | 1 | ||
| 2009 | Questerre Energy Corporation | 1 | ||
| 2009 | Sifton Energy Inc. | 1 | ||
| 2009 | Strike Petroleum Ltd. | 1 | ||
| 2009 | TAQA North Ltd. | 1 | ||
| 2009 | Talisman Energy Acquisition Inc. | 1 | ||
| 2009 | Twin Butte Energy Ltd. | 1 | ||
| 2010 | BP Canada Energy Company | 2091 | 2086.0 | |
| 2010 | Imperial Oil Resources Limited | 1379 | 1373.0 | |
| 2010 | Husky Oil Operations Limited | 1240 | 1188.0 | |
| 2010 | ExxonMobil Canada Energy | 1214 | 1214.0 | |
| 2010 | Encana Corporation | 776 | 774.0 | |
| 2010 | Obsidian Energy Ltd. | 703 | 619.0 | |
| 2010 | Repsol Oil & Gas Canada Inc. | 668 | 659.0 | |
| 2010 | Shell Canada Limited | 469 | 465.0 | |
| 2010 | Canadian Natural Resources Limited | 410 | 372.0 | |
| 2010 | Paramount Resources (ACL) Ltd. | 275 | 261.0 | |
| 2010 | Devon Canada Corporation | 239 | 221.0 | |
| 2010 | Pengrowth Corporation | 224 | 215.0 | |
| 2010 | Enerplus Resources Corporation | 212 | 208.0 | |
| 2010 | ConocoPhillips Canada Resources Corp. | 211 | 202.0 | |
| 2010 | Enermark Inc. | 193 | 183.0 | |
| 2010 | ARC Resources Ltd. | 157 | 139.0 | |
| 2010 | Harvest Operations Corp. | 144 | 122.0 | |
| 2010 | Redwater Water Disposal Company Limited | 135 | 134.0 | |
| 2010 | Pembina Pipeline Corporation | 117 | 110.0 | |
| 2010 | Suncor Energy Inc. | 115 | 109.0 | |
| 2010 | Bonavista Petroleum Ltd. | 89 | 81.0 | |
| 2010 | EOG Resources Canada Inc. | 52 | 45.0 | |
| 2010 | NAL Resources Limited | 37 | 34.0 | |
| 2010 | Bearspaw Petroleum Ltd. | 36 | 35.0 | |
| 2010 | Equal Energy Corp. | 36 | 35.0 | |
| 2010 | Daylight Energy Ltd. | 35 | 21.0 | |
| 2010 | Vermilion Resources Ltd. | 33 | 31.0 | |
| 2010 | Advantage Oil & Gas Ltd. | 32 | 30.0 | |
| 2010 | Murphy Oil Company Ltd. | 31 | 30.0 | |
| 2010 | AltaGas Ltd. | 30 | 21.0 | |
| 2010 | Cenovus Energy Inc. | 22 | ||
| 2010 | Mec Operating Company ULC | 22 | 13.0 | |
| 2010 | NuVista Energy Ltd. | 22 | 17.0 | |
| 2010 | Barrick Energy Inc. | 20 | 18.0 | |
| 2010 | Paramount Resources Ltd. | 20 | 19.0 | |
| 2010 | Provident Energy Ltd. | 20 | 19.0 | |
| 2010 | Celtic Exploration ULC | 19 | 17.0 | |
| 2010 | Prairie Provident Resources Canada Ltd. | 19 | 11.0 | |
| 2010 | Sequoia Resources Corp. | 19 | 17.0 | |
| 2010 | Gibson Energy ULC | 18 | 16.0 | |
| 2010 | Surge Energy Inc. | 18 | 17.0 | |
| 2010 | City Of Medicine Hat | 17 | 12.0 | |
| 2010 | ConocoPhillips Canada Operations ULC | 14 | 6.0 | |
| 2010 | Trilogy Resources Ltd. | 14 | 12.0 | |
| 2010 | Anterra Energy Inc. | 12 | 10.0 | |
| 2010 | Guide Exploration Ltd. | 12 | 10.0 | |
| 2010 | Newalta Corporation | 9 | 7.0 | |
| 2010 | Iteration Energy Ltd. | 8 | 7.0 | |
| 2010 | Journey Energy Inc. | 8 | 3.0 | |
| 2010 | Laricina Energy Ltd. | 8 | ||
| 2010 | Orion Oil & Gas (North America) Ltd. | 8 | 7.0 | |
| 2010 | Plains Midstream Canada ULC | 8 | 2.0 | |
| 2010 | Crew Energy Inc. | 7 | 2.0 | |
| 2010 | Legacy TV Ltd. | 7 | ||
| 2010 | PMC (Nova Scotia) Company | 7 | 6.0 | |
| 2010 | 1851328 Alberta Ltd. | 6 | 5.0 | |
| 2010 | Avenir Operating Corp. | 6 | 5.0 | |
| 2010 | Direct Energy Marketing Limited | 6 | 3.0 | |
| 2010 | Enbridge Pipelines (Athabasca) Inc. | 6 | 4.0 | |
| 2010 | Provident Energy Resources Inc. | 6 | 5.0 | |
| 2010 | SemCAMS ULC | 6 | 2.0 | |
| 2010 | Alberta Oilsands Inc. | 5 | 4.0 | |
| 2010 | Alberta Products Pipe Line Ltd | 5 | 4.0 | |
| 2010 | MEG Energy Corp. | 5 | 4.0 | |
| 2010 | Santonia Energy Inc. | 5 | 4.0 | |
| 2010 | Wild Stream Exploration Inc. | 5 | 4.0 | |
| 2010 | ATCO Midstream Ltd. | 4 | 2.0 | |
| 2010 | Birchcliff Energy Ltd. | 4 | 2.0 | |
| 2010 | Cenovus FCCL Ltd. | 4 | 3.0 | |
| 2010 | Petenco Resources Ltd. | 4 | 2.0 | |
| 2010 | TAQA North Ltd. | 4 | 1.0 | |
| 2010 | ATCO Gas And Pipelines Ltd. | 3 | 1.0 | |
| 2010 | Cynthia Gas Gathering Company Limited | 3 | 2.0 | |
| 2010 | Emerge Oil & Gas Inc. | 3 | ||
| 2010 | Exshaw Oil Corp. | 3 | 2.0 | |
| 2010 | Mosaic Energy Ltd. | 3 | 2.0 | |
| 2010 | Lightstream Resources Ltd. | 2 | ||
| 2010 | Long Run Exploration Ltd. | 2 | ||
| 2010 | Orion Oil & Gas Corporation | 2 | ||
| 2010 | Pace Oil & Gas Ltd. | 2 | ||
| 2010 | Steen River Oil & Gas Ltd. | 2 | ||
| 2010 | Sun Century Petroleum Corporation | 2 | ||
| 2010 | Talisman Energy Acquisition Inc. | 2 | 1.0 | |
| 2010 | Trafina Energy Ltd. | 2 | ||
| 2010 | Twin Butte Energy Ltd. | 2 | 1.0 | |
| 2010 | West Energy Ltd. | 2 | ||
| 2010 | AltaGas Utilities Inc. | 1 | ||
| 2010 | Arsenal Energy Inc. | 1 | ||
| 2010 | Ashton Oil & Gas Ltd. | 1 | ||
| 2010 | Black Shire Energy Inc. | 1 | ||
| 2010 | Blaze Energy Ltd. | 1 | ||
| 2010 | Chinook Energy Inc. | 1 | ||
| 2010 | Chinook Energy Ltd. | 1 | ||
| 2010 | Crescent Point Energy Corp. | 1 | ||
| 2010 | Nordegg Resources Inc. | 1 | ||
| 2010 | Perpetual Operating Corp. | 1 | ||
| 2010 | Saguaro Energy Corp. | 1 | ||
| 2010 | Second Wave Petroleum Inc. | 1 | ||
| 2010 | Sedna Oil And Gas Ltd. | 1 | ||
| 2010 | Statoil Canada Ltd. | 1 | ||
| 2010 | Strategic Oil & Gas Ltd. | 1 | ||
| 2011 | BP Canada Energy Company | 2092 | 2091.0 | |
| 2011 | Imperial Oil Resources Limited | 1384 | 1379.0 | |
| 2011 | Husky Oil Operations Limited | 1276 | 1240.0 | |
| 2011 | ExxonMobil Canada Energy | 1215 | 1214.0 | |
| 2011 | Obsidian Energy Ltd. | 779 | 703.0 | |
| 2011 | Encana Corporation | 777 | 776.0 | |
| 2011 | Repsol Oil & Gas Canada Inc. | 674 | 668.0 | |
| 2011 | Canadian Natural Resources Limited | 461 | 410.0 | |
| 2011 | Paramount Resources (ACL) Ltd. | 294 | 275.0 | |
| 2011 | Devon Canada Corporation | 249 | 239.0 | |
| 2011 | Pengrowth Corporation | 225 | 224.0 | |
| 2011 | ConocoPhillips Canada Resources Corp. | 216 | 211.0 | |
| 2011 | ARC Resources Ltd. | 178 | 157.0 | |
| 2011 | Harvest Operations Corp. | 166 | 144.0 | |
| 2011 | Redwater Water Disposal Company Limited | 136 | 135.0 | |
| 2011 | Nexen Energy ULC | 127 | 126.0 | |
| 2011 | Pembina Pipeline Corporation | 121 | 117.0 | |
| 2011 | Suncor Energy Inc. | 116 | 115.0 | |
| 2011 | EOG Resources Canada Inc. | 53 | 52.0 | |
| 2011 | NAL Resources Limited | 44 | 37.0 | |
| 2011 | Daylight Energy Ltd. | 40 | 35.0 | |
| 2011 | Bearspaw Petroleum Ltd. | 39 | 36.0 | |
| 2011 | Advantage Oil & Gas Ltd. | 37 | 32.0 | |
| 2011 | AltaGas Ltd. | 36 | 30.0 | |
| 2011 | Cenovus Energy Inc. | 32 | 22.0 | |
| 2011 | Murphy Oil Company Ltd. | 32 | 31.0 | |
| 2011 | Zargon Oil & Gas Ltd. | 29 | 22.0 | |
| 2011 | Barrick Energy Inc. | 26 | 20.0 | |
| 2011 | Baytex Energy Ltd. | 26 | 24.0 | |
| 2011 | NuVista Energy Ltd. | 24 | 22.0 | |
| 2011 | Pengrowth Energy Corporation | 24 | ||
| 2011 | Rife Resources Ltd. | 24 | 22.0 | |
| 2011 | Mec Operating Company ULC | 23 | 22.0 | |
| 2011 | Celtic Exploration ULC | 22 | 19.0 | |
| 2011 | Sequoia Resources Corp. | 22 | 19.0 | |
| 2011 | ConocoPhillips Canada Operations ULC | 21 | 14.0 | |
| 2011 | Lexin Resources Ltd. | 21 | 20.0 | |
| 2011 | Provident Energy Ltd. | 21 | 20.0 | |
| 2011 | Gibson Energy ULC | 20 | 18.0 | |
| 2011 | Pipeline Management Inc. | 20 | 17.0 | |
| 2011 | Surge Energy Inc. | 20 | 18.0 | |
| 2011 | City Of Medicine Hat | 19 | 17.0 | |
| 2011 | Signalta Resources Limited | 18 | 17.0 | |
| 2011 | Guide Exploration Ltd. | 16 | 12.0 | |
| 2011 | Trilogy Resources Ltd. | 15 | 14.0 | |
| 2011 | Crew Energy Inc. | 14 | 7.0 | |
| 2011 | Newalta Corporation | 14 | 9.0 | |
| 2011 | Bonterra Energy Corp. | 13 | 10.0 | |
| 2011 | TAQA North Ltd. | 13 | 4.0 | |
| 2011 | Plains Midstream Canada ULC | 12 | 8.0 | |
| 2011 | Chinook Energy Inc. | 10 | 1.0 | |
| 2011 | Enerplus Corporation | 10 | ||
| 2011 | Bonavista Energy Corporation | 9 | ||
| 2011 | 1851328 Alberta Ltd. | 8 | 6.0 | |
| 2011 | Cenovus FCCL Ltd. | 7 | 4.0 | |
| 2011 | Enbridge Pipelines (Athabasca) Inc. | 7 | 6.0 | |
| 2011 | MEG Energy Corp. | 7 | 5.0 | |
| 2011 | Santonia Energy Inc. | 7 | 5.0 | |
| 2011 | Arsenal Energy Inc. | 6 | 1.0 | |
| 2011 | Keyera Energy Ltd. | 6 | 5.0 | |
| 2011 | Wild Stream Exploration Inc. | 6 | 5.0 | |
| 2011 | ATCO Gas And Pipelines Ltd. | 5 | 3.0 | |
| 2011 | ATCO Midstream Ltd. | 5 | 4.0 | |
| 2011 | Birchcliff Energy Ltd. | 5 | 4.0 | |
| 2011 | Crescent Point Energy Corp. | 4 | 1.0 | |
| 2011 | Emerge Oil & Gas Inc. | 4 | 3.0 | |
| 2011 | Equal Energy Ltd. | 4 | ||
| 2011 | Exshaw Oil Corp. | 4 | 3.0 | |
| 2011 | Legacy Oil + Gas Inc. | 4 | ||
| 2011 | Pace Oil & Gas Ltd. | 4 | 2.0 | |
| 2011 | Strategic Oil & Gas Ltd. | 4 | 1.0 | |
| 2011 | Tervita Corporation | 4 | 3.0 | |
| 2011 | 981405 Alberta Ltd. | 3 | 2.0 | |
| 2011 | Central Global Resources, ULC | 3 | 1.0 | |
| 2011 | Second Wave Petroleum Inc. | 3 | 1.0 | |
| 2011 | Steen River Oil & Gas Ltd. | 3 | 2.0 | |
| 2011 | Sunrise Energy Ltd. | 3 | 2.0 | |
| 2011 | Twin Butte Energy Ltd. | 3 | 2.0 | |
| 2011 | CNPC International (Canada) Ltd. | 2 | ||
| 2011 | Longview Oil Corp. | 2 | ||
| 2011 | MEGlobal Canada ULC | 2 | ||
| 2011 | MMCII Energy ULC | 2 | ||
| 2011 | Omers Energy Inc. | 2 | ||
| 2011 | Spur Resources Ltd. | 2 | ||
| 2011 | Whitecap Resources Inc. | 2 | ||
| 2011 | AvenEx Energy Corp. | 1 | ||
| 2011 | Beatton Energy Inc. | 1 | ||
| 2011 | Bellatrix Exploration Ltd. | 1 | ||
| 2011 | Blackhawk Resource Operating Corp. | 1 | ||
| 2011 | Conserve Oil Corporation | 1 | ||
| 2011 | Fairwest Energy Corporation | 1 | ||
| 2011 | Glenogle Energy Inc. | 1 | ||
| 2011 | Ikkuma Resources Corp. | 1 | ||
| 2011 | Kingsmere Resources Ltd. | 1 | ||
| 2011 | Midway Energy Ltd. | 1 | ||
| 2011 | NEP Canada ULC | 1 | ||
| 2011 | Northern Patriot Oil & Gas Ltd. | 1 | ||
| 2011 | Perpetual Energy Inc. | 1 | ||
| 2011 | Sinopec Daylight Energy Ltd. | 1 | ||
| 2011 | Skana Exploration Ltd. | 1 | ||
| 2012 | BP Canada Energy Company | 2092 | 2092.0 | |
| 2012 | Imperial Oil Resources Limited | 1394 | 1384.0 | |
| 2012 | Husky Oil Operations Limited | 1315 | 1276.0 | |
| 2012 | ExxonMobil Canada Energy | 1216 | 1215.0 | |
| 2012 | Obsidian Energy Ltd. | 864 | 779.0 | |
| 2012 | Repsol Oil & Gas Canada Inc. | 683 | 674.0 | |
| 2012 | Canadian Natural Resources Limited | 505 | 461.0 | |
| 2012 | Shell Canada Limited | 471 | 469.0 | |
| 2012 | Paramount Resources (ACL) Ltd. | 310 | 294.0 | |
| 2012 | Devon Canada Corporation | 268 | 249.0 | |
| 2012 | ConocoPhillips Canada Resources Corp. | 223 | 216.0 | |
| 2012 | ARC Resources Ltd. | 200 | 178.0 | |
| 2012 | Harvest Operations Corp. | 180 | 166.0 | |
| 2012 | Redwater Water Disposal Company Limited | 137 | 136.0 | |
| 2012 | Pembina Pipeline Corporation | 125 | 121.0 | |
| 2012 | Suncor Energy Inc. | 118 | 116.0 | |
| 2012 | EOG Resources Canada Inc. | 54 | 53.0 | |
| 2012 | NAL Resources Limited | 46 | 44.0 | |
| 2012 | Bearspaw Petroleum Ltd. | 43 | 39.0 | |
| 2012 | AltaGas Ltd. | 42 | 36.0 | |
| 2012 | Cenovus Energy Inc. | 42 | 32.0 | |
| 2012 | Advantage Oil & Gas Ltd. | 38 | 37.0 | |
| 2012 | Barrick Energy Inc. | 34 | 26.0 | |
| 2012 | Vermilion Resources Ltd. | 34 | 33.0 | |
| 2012 | Pengrowth Energy Corporation | 33 | 24.0 | |
| 2012 | Zargon Oil & Gas Ltd. | 32 | 29.0 | |
| 2012 | NuVista Energy Ltd. | 26 | 24.0 | |
| 2012 | Enerplus Corporation | 25 | 10.0 | |
| 2012 | Celtic Exploration ULC | 24 | 22.0 | |
| 2012 | ConocoPhillips Canada Operations ULC | 24 | 21.0 | |
| 2012 | Prairie Provident Resources Canada Ltd. | 24 | 19.0 | |
| 2012 | Sequoia Resources Corp. | 24 | 22.0 | |
| 2012 | Surge Energy Inc. | 22 | 20.0 | |
| 2012 | City Of Medicine Hat | 21 | 19.0 | |
| 2012 | Gibson Energy ULC | 21 | 20.0 | |
| 2012 | Paramount Resources Ltd. | 21 | 20.0 | |
| 2012 | Pipeline Management Inc. | 21 | 20.0 | |
| 2012 | Bonavista Energy Corporation | 18 | 9.0 | |
| 2012 | Guide Exploration Ltd. | 18 | 16.0 | |
| 2012 | Plains Midstream Canada ULC | 17 | 12.0 | |
| 2012 | TAQA North Ltd. | 17 | 13.0 | |
| 2012 | Bonterra Energy Corp. | 16 | 13.0 | |
| 2012 | Chinook Energy Inc. | 15 | 10.0 | |
| 2012 | Pace Oil & Gas Ltd. | 14 | 4.0 | |
| 2012 | Legacy Oil + Gas Inc. | 13 | 4.0 | |
| 2012 | Sinopec Daylight Energy Ltd. | 11 | 1.0 | |
| 2012 | Enbridge Pipelines (Athabasca) Inc. | 10 | 7.0 | |
| 2012 | Keyera Energy Ltd. | 10 | 6.0 | |
| 2012 | Alberta Oil Sands Pipeline Ltd. | 9 | 8.0 | |
| 2012 | Arsenal Energy Inc. | 9 | 6.0 | |
| 2012 | Laricina Energy Ltd. | 9 | 8.0 | |
| 2012 | MEG Energy Corp. | 9 | 7.0 | |
| 2012 | Cenovus FCCL Ltd. | 8 | 7.0 | |
| 2012 | Crescent Point Energy Corp. | 8 | 4.0 | |
| 2012 | Santonia Energy Inc. | 8 | 7.0 | |
| 2012 | Spur Resources Ltd. | 8 | 2.0 | |
| 2012 | Direct Energy Marketing Limited | 7 | 6.0 | |
| 2012 | SemCAMS ULC | 7 | 6.0 | |
| 2012 | ATCO Gas And Pipelines Ltd. | 6 | 5.0 | |
| 2012 | Alberta Products Pipe Line Ltd | 6 | 5.0 | |
| 2012 | Glencoe Resources Ltd. | 6 | 3.0 | |
| 2012 | Long Run Exploration Ltd. | 6 | 2.0 | |
| 2012 | NEP Canada ULC | 6 | 1.0 | |
| 2012 | Bellatrix Exploration Ltd. | 5 | 1.0 | |
| 2012 | Equal Energy Ltd. | 5 | 4.0 | |
| 2012 | Gear Energy Ltd. | 5 | ||
| 2012 | Lightstream Resources Ltd. | 5 | 2.0 | |
| 2012 | Second Wave Petroleum Inc. | 5 | 3.0 | |
| 2012 | Tervita Corporation | 5 | 4.0 | |
| 2012 | AvenEx Energy Corp. | 4 | 1.0 | |
| 2012 | Central Global Resources, ULC | 4 | 3.0 | |
| 2012 | Iron Bridge Resources Inc. | 4 | 3.0 | |
| 2012 | Longview Oil Corp. | 4 | 2.0 | |
| 2012 | Sun Century Petroleum Corporation | 3 | 2.0 | |
| 2012 | Ashton Oil & Gas Ltd. | 2 | 1.0 | |
| 2012 | Bellamont Exploration Ltd. | 2 | ||
| 2012 | Black Shire Energy Inc. | 2 | 1.0 | |
| 2012 | Blackpearl Resources Inc. | 2 | ||
| 2012 | Connacher Oil And Gas Limited | 2 | 1.0 | |
| 2012 | Drumlin Energy Corp. | 2 | 1.0 | |
| 2012 | Fairwest Energy Corporation | 2 | 1.0 | |
| 2012 | NAL Energy Corporation | 2 | ||
| 2012 | Petro Buyers Inc. | 2 | 1.0 | |
| 2012 | Spartan Oil Corp. | 2 | ||
| 2012 | Tallgrass Energy Corp. | 2 | ||
| 2012 | Tourmaline Oil Corp. | 2 | ||
| 2012 | Access Pipeline Inc. | 1 | ||
| 2012 | Altagas Holdings Inc. | 1 | ||
| 2012 | Charger Energy Corp. | 1 | ||
| 2012 | Clearbrook Resources Inc. | 1 | ||
| 2012 | Conserve Oil & Gas No. II Corporation | 1 | ||
| 2012 | Cumberland Oil & Gas Ltd. | 1 | ||
| 2012 | Grizzly Oil Sands ULC | 1 | ||
| 2012 | Petrus Resources Corp. | 1 | ||
| 2012 | Ravenwood Energy Corp. | 1 | ||
| 2012 | Waldron Energy Corporation | 1 | ||
| 2012 | Wrangler West Energy Corp. | 1 | ||
| 2013 | BP Canada Energy Company | 2092 | 2092.0 | |
| 2013 | Imperial Oil Resources Limited | 1404 | 1394.0 | |
| 2013 | Husky Oil Operations Limited | 1348 | 1315.0 | |
| 2013 | ExxonMobil Canada Energy | 1217 | 1216.0 | |
| 2013 | Obsidian Energy Ltd. | 924 | 864.0 | |
| 2013 | Encana Corporation | 779 | 777.0 | |
| 2013 | Repsol Oil & Gas Canada Inc. | 688 | 683.0 | |
| 2013 | Canadian Natural Resources Limited | 555 | 505.0 | |
| 2013 | Shell Canada Limited | 472 | 471.0 | |
| 2013 | Paramount Resources (ACL) Ltd. | 328 | 310.0 | |
| 2013 | Devon Canada Corporation | 281 | 268.0 | |
| 2013 | ConocoPhillips Canada Resources Corp. | 224 | 223.0 | |
| 2013 | ARC Resources Ltd. | 221 | 200.0 | |
| 2013 | Harvest Operations Corp. | 196 | 180.0 | |
| 2013 | Pembina Pipeline Corporation | 129 | 125.0 | |
| 2013 | Suncor Energy Inc. | 120 | 118.0 | |
| 2013 | EOG Resources Canada Inc. | 59 | 54.0 | |
| 2013 | Cenovus Energy Inc. | 57 | 42.0 | |
| 2013 | NAL Resources Limited | 51 | 46.0 | |
| 2013 | Pengrowth Energy Corporation | 51 | 33.0 | |
| 2013 | AltaGas Ltd. | 45 | 42.0 | |
| 2013 | Bearspaw Petroleum Ltd. | 44 | 43.0 | |
| 2013 | Enerplus Corporation | 41 | 25.0 | |
| 2013 | Barrick Energy Inc. | 38 | 34.0 | |
| 2013 | Zargon Oil & Gas Ltd. | 35 | 32.0 | |
| 2013 | Murphy Oil Company Ltd. | 33 | 32.0 | |
| 2013 | NuVista Energy Ltd. | 28 | 26.0 | |
| 2013 | City Of Medicine Hat | 26 | 21.0 | |
| 2013 | Celtic Exploration ULC | 25 | 24.0 | |
| 2013 | Pipeline Management Inc. | 25 | 21.0 | |
| 2013 | Surge Energy Inc. | 25 | 22.0 | |
| 2013 | Paramount Resources Ltd. | 24 | 21.0 | |
| 2013 | Plains Midstream Canada ULC | 24 | 17.0 | |
| 2013 | Gibson Energy ULC | 23 | 21.0 | |
| 2013 | Trilogy Resources Ltd. | 20 | 15.0 | |
| 2013 | Bonavista Energy Corporation | 19 | 18.0 | |
| 2013 | Bonterra Energy Corp. | 19 | 16.0 | |
| 2013 | Pace Oil & Gas Ltd. | 19 | 14.0 | |
| 2013 | TAQA North Ltd. | 19 | 17.0 | |
| 2013 | Chinook Energy Inc. | 18 | 15.0 | |
| 2013 | Legacy Oil + Gas Inc. | 17 | 13.0 | |
| 2013 | Arsenal Energy Inc. | 14 | 9.0 | |
| 2013 | Sinopec Daylight Energy Ltd. | 13 | 11.0 | |
| 2013 | Crescent Point Energy Corp. | 12 | 8.0 | |
| 2013 | Long Run Exploration Ltd. | 12 | 6.0 | |
| 2013 | Cenovus FCCL Ltd. | 11 | 8.0 | |
| 2013 | Enbridge Pipelines (Athabasca) Inc. | 11 | 10.0 | |
| 2013 | Spur Resources Ltd. | 11 | 8.0 | |
| 2013 | Direct Energy Marketing Limited | 10 | 7.0 | |
| 2013 | Laricina Energy Ltd. | 10 | 9.0 | |
| 2013 | NEP Canada ULC | 10 | 6.0 | |
| 2013 | Syncrude Canada Ltd. | 10 | 9.0 | |
| 2013 | Bellatrix Exploration Ltd. | 8 | 5.0 | |
| 2013 | Glencoe Resources Ltd. | 8 | 6.0 | |
| 2013 | ATCO Gas And Pipelines Ltd. | 7 | 6.0 | |
| 2013 | Alberta Products Pipe Line Ltd | 7 | 6.0 | |
| 2013 | Gear Energy Ltd. | 6 | 5.0 | |
| 2013 | Second Wave Petroleum Inc. | 6 | 5.0 | |
| 2013 | Tervita Corporation | 6 | 5.0 | |
| 2013 | Cold Lake Pipeline Ltd. | 5 | 4.0 | |
| 2013 | Longview Oil Corp. | 5 | 4.0 | |
| 2013 | Whitecap Resources Inc. | 5 | 2.0 | |
| 2013 | Blackpearl Resources Inc. | 4 | 2.0 | |
| 2013 | LGX Oil + Gas Inc. | 4 | ||
| 2013 | Tallgrass Energy Corp. | 4 | 2.0 | |
| 2013 | Twin Butte Energy Ltd. | 4 | 3.0 | |
| 2013 | Ashton Oil & Gas Ltd. | 3 | 2.0 | |
| 2013 | Black Shire Energy Inc. | 3 | 2.0 | |
| 2013 | Conserve Oil Corporation | 3 | 1.0 | |
| 2013 | AltaGas Utilities Inc. | 2 | 1.0 | |
| 2013 | Angle Energy Inc. | 2 | 1.0 | |
| 2013 | Cardinal Energy Ltd. | 2 | ||
| 2013 | Logic Energy Ltd. | 2 | ||
| 2013 | Marquee Energy Ltd. | 2 | ||
| 2013 | Northern Patriot Oil & Gas Ltd. | 2 | 1.0 | |
| 2013 | Secure Energy Services Inc. | 2 | ||
| 2013 | Sonoma Resources Ltd. | 2 | ||
| 2013 | Spyglass Resources Corp. | 2 | ||
| 2013 | Vermilion Energy Inc. | 2 | ||
| 2013 | Alston Energy Inc. | 1 | ||
| 2013 | Edalis Energy Inc. | 1 | ||
| 2013 | Endurance Energy Ltd. | 1 | ||
| 2013 | Fox Creek Petroleum Corp. | 1 | ||
| 2013 | Granite Oil Corp. | 1 | ||
| 2013 | Hanna Oil & Gas Company - Canada ULC | 1 | ||
| 2013 | Long Lake Energy Ltd. | 1 | ||
| 2013 | NEO Exploration Inc. | 1 | ||
| 2013 | Pembina Marketing Ltd. | 1 | ||
| 2013 | Polar Star Canadian Oil And Gas, Inc. | 1 | ||
| 2013 | Progress Energy Canada Ltd. | 1 | ||
| 2013 | Sekur Energy Management Corp. | 1 | ||
| 2013 | Suncor Energy Logistics Corporation | 1 | ||
| 2013 | TORC Oil & Gas Ltd. | 1 | ||
| 2013 | Trident Exploration (Alberta) Corp. | 1 | ||
| 2013 | XTO Energy Canada ULC | 1 | ||
| 2014 | BP Canada Energy Company | 2092 | 2092.0 | |
| 2014 | Imperial Oil Resources Limited | 1416 | 1404.0 | |
| 2014 | Husky Oil Operations Limited | 1394 | 1348.0 | |
| 2014 | Obsidian Energy Ltd. | 977 | 924.0 | |
| 2014 | Encana Corporation | 784 | 779.0 | |
| 2014 | Repsol Oil & Gas Canada Inc. | 697 | 688.0 | |
| 2014 | Canadian Natural Resources Limited | 626 | 555.0 | |
| 2014 | Shell Canada Limited | 476 | 472.0 | |
| 2014 | Chevron Canada Limited | 392 | 390.0 | |
| 2014 | Paramount Resources (ACL) Ltd. | 341 | 328.0 | |
| 2014 | Devon Canada Corporation | 290 | 281.0 | |
| 2014 | ARC Resources Ltd. | 243 | 221.0 | |
| 2014 | ConocoPhillips Canada Resources Corp. | 233 | 224.0 | |
| 2014 | Harvest Operations Corp. | 222 | 196.0 | |
| 2014 | Pembina Pipeline Corporation | 169 | 129.0 | |
| 2014 | Nexen Energy ULC | 133 | 127.0 | |
| 2014 | Suncor Energy Inc. | 122 | 120.0 | |
| 2014 | Cenovus Energy Inc. | 85 | 57.0 | |
| 2014 | Pengrowth Energy Corporation | 73 | 51.0 | |
| 2014 | EOG Resources Canada Inc. | 69 | 59.0 | |
| 2014 | ExxonMobil Canada Ltd. | 55 | 54.0 | |
| 2014 | NAL Resources Limited | 54 | 51.0 | |
| 2014 | AltaGas Ltd. | 52 | 45.0 | |
| 2014 | Enerplus Corporation | 47 | 41.0 | |
| 2014 | Zargon Oil & Gas Ltd. | 37 | 35.0 | |
| 2014 | Plains Midstream Canada ULC | 35 | 24.0 | |
| 2014 | Baytex Energy Ltd. | 31 | 26.0 | |
| 2014 | City Of Medicine Hat | 31 | 26.0 | |
| 2014 | ConocoPhillips Canada Operations ULC | 30 | 24.0 | |
| 2014 | NuVista Energy Ltd. | 30 | 28.0 | |
| 2014 | Surge Energy Inc. | 30 | 25.0 | |
| 2014 | Sequoia Resources Corp. | 27 | 24.0 | |
| 2014 | TAQA North Ltd. | 27 | 19.0 | |
| 2014 | Trilogy Resources Ltd. | 26 | 20.0 | |
| 2014 | Gibson Energy ULC | 25 | 23.0 | |
| 2014 | Legacy Oil + Gas Inc. | 25 | 17.0 | |
| 2014 | Paramount Resources Ltd. | 25 | 24.0 | |
| 2014 | Keyera Energy Ltd. | 24 | 10.0 | |
| 2014 | Bonterra Energy Corp. | 23 | 19.0 | |
| 2014 | Bellatrix Exploration Ltd. | 21 | 8.0 | |
| 2014 | Bonavista Energy Corporation | 21 | 19.0 | |
| 2014 | Taku Gas Limited | 21 | 20.0 | |
| 2014 | Chinook Energy Inc. | 20 | 18.0 | |
| 2014 | Anterra Energy Inc. | 18 | 12.0 | |
| 2014 | Arsenal Energy Inc. | 17 | 14.0 | |
| 2014 | Long Run Exploration Ltd. | 17 | 12.0 | |
| 2014 | Cenovus FCCL Ltd. | 16 | 11.0 | |
| 2014 | Sinopec Daylight Energy Ltd. | 16 | 13.0 | |
| 2014 | NEP Canada ULC | 14 | 10.0 | |
| 2014 | Crescent Point Energy Corp. | 13 | 12.0 | |
| 2014 | Direct Energy Marketing Limited | 13 | 10.0 | |
| 2014 | Enbridge Pipelines (Woodland) Inc. | 13 | ||
| 2014 | MEG Energy Corp. | 13 | 9.0 | |
| 2014 | Tourmaline Oil Corp. | 13 | 2.0 | |
| 2014 | Enbridge Pipelines (Athabasca) Inc. | 12 | 11.0 | |
| 2014 | ATCO Gas And Pipelines Ltd. | 11 | 7.0 | |
| 2014 | Syncrude Canada Ltd. | 11 | 10.0 | |
| 2014 | Alberta Oil Sands Pipeline Ltd. | 10 | 9.0 | |
| 2014 | Coastal Resources Limited | 10 | 8.0 | |
| 2014 | Inter Pipeline Ltd. | 10 | ||
| 2014 | Journey Energy Inc. | 10 | 8.0 | |
| 2014 | Spyglass Resources Corp. | 10 | 2.0 | |
| 2014 | Cardinal Energy Ltd. | 9 | 2.0 | |
| 2014 | Cold Lake Pipeline Ltd. | 9 | 5.0 | |
| 2014 | Whitecap Resources Inc. | 9 | 5.0 | |
| 2014 | Birchcliff Energy Ltd. | 8 | 5.0 | |
| 2014 | Response Energy Corporation | 8 | 7.0 | |
| 2014 | SemCAMS ULC | 8 | 7.0 | |
| 2014 | Lightstream Resources Ltd. | 7 | 5.0 | |
| 2014 | Tervita Corporation | 7 | 6.0 | |
| 2014 | Twin Butte Energy Ltd. | 7 | 4.0 | |
| 2014 | Delphi Energy Corp. | 6 | 5.0 | |
| 2014 | Alston Energy Inc. | 5 | 1.0 | |
| 2014 | Exshaw Oil Corp. | 5 | 4.0 | |
| 2014 | Iron Bridge Resources Inc. | 5 | 4.0 | |
| 2014 | LGX Oil + Gas Inc. | 5 | 4.0 | |
| 2014 | Mosaic Energy Ltd. | 5 | 3.0 | |
| 2014 | Strategic Oil & Gas Ltd. | 5 | 4.0 | |
| 2014 | Canexus Corporation | 4 | ||
| 2014 | Ish Energy Ltd. | 4 | 2.0 | |
| 2014 | Suncor Energy Logistics Corporation | 4 | 1.0 | |
| 2014 | Vermilion Energy Inc. | 4 | 2.0 | |
| 2014 | XTO Energy Canada ULC | 4 | 1.0 | |
| 2014 | Access Pipeline Inc. | 3 | 1.0 | |
| 2014 | AltaGas Utilities Inc. | 3 | 2.0 | |
| 2014 | Fairwest Energy Corporation | 3 | 2.0 | |
| 2014 | Kelt Exploration (LNG) Ltd. | 3 | ||
| 2014 | Progress Energy Canada Ltd. | 3 | 1.0 | |
| 2014 | Blaze Energy Ltd. | 2 | 1.0 | |
| 2014 | Granite Oil Corp. | 2 | 1.0 | |
| 2014 | ORLEN Upstream Canada Ltd. | 2 | ||
| 2014 | Petrus Resources Corp. | 2 | 1.0 | |
| 2014 | Sabanero Energy Corp. | 2 | ||
| 2014 | Statoil Canada Ltd. | 2 | 1.0 | |
| 2014 | ATCO Energy Solutions Ltd. | 1 | ||
| 2014 | Alliance Pipeline Ltd. | 1 | ||
| 2014 | Cor4 Oil Corp. | 1 | ||
| 2014 | Craft Oil Inc. | 1 | ||
| 2014 | Ember Resources Inc. | 1 | ||
| 2014 | Freemont Resources Ltd. | 1 | ||
| 2014 | Gryphon Petroleum Corp. | 1 | ||
| 2015 | Husky Oil Operations Limited | 1429 | 1394.0 | |
| 2015 | Imperial Oil Resources Limited | 1418 | 1416.0 | |
| 2015 | Obsidian Energy Ltd. | 1012 | 977.0 | |
| 2015 | Encana Corporation | 793 | 784.0 | |
| 2015 | Repsol Oil & Gas Canada Inc. | 704 | 697.0 | |
| 2015 | Canadian Natural Resources Limited | 701 | 626.0 | |
| 2015 | Shell Canada Limited | 481 | 476.0 | |
| 2015 | Chevron Canada Limited | 394 | 392.0 | |
| 2015 | Paramount Resources (ACL) Ltd. | 361 | 341.0 | |
| 2015 | Devon Canada Corporation | 292 | 290.0 | |
| 2015 | ARC Resources Ltd. | 256 | 243.0 | |
| 2015 | ConocoPhillips Canada Resources Corp. | 245 | 233.0 | |
| 2015 | Harvest Operations Corp. | 232 | 222.0 | |
| 2015 | Pembina Pipeline Corporation | 207 | 169.0 | |
| 2015 | Nexen Energy ULC | 139 | 133.0 | |
| 2015 | Cenovus Energy Inc. | 109 | 85.0 | |
| 2015 | Pengrowth Energy Corporation | 82 | 73.0 | |
| 2015 | AltaGas Ltd. | 59 | 52.0 | |
| 2015 | Enerplus Corporation | 59 | 47.0 | |
| 2015 | ExxonMobil Canada Ltd. | 57 | 55.0 | |
| 2015 | NAL Resources Limited | 57 | 54.0 | |
| 2015 | ATCO Gas And Pipelines Ltd. | 46 | 11.0 | |
| 2015 | Bearspaw Petroleum Ltd. | 45 | 44.0 | |
| 2015 | Keyera Energy Ltd. | 44 | 24.0 | |
| 2015 | Zargon Oil & Gas Ltd. | 43 | 37.0 | |
| 2015 | Bellatrix Exploration Ltd. | 42 | 21.0 | |
| 2015 | Advantage Oil & Gas Ltd. | 41 | 38.0 | |
| 2015 | Plains Midstream Canada ULC | 39 | 35.0 | |
| 2015 | Murphy Oil Company Ltd. | 36 | 33.0 | |
| 2015 | City Of Medicine Hat | 35 | 31.0 | |
| 2015 | ConocoPhillips Canada Operations ULC | 35 | 30.0 | |
| 2015 | NuVista Energy Ltd. | 34 | 30.0 | |
| 2015 | Baytex Energy Ltd. | 33 | 31.0 | |
| 2015 | Grand Rapids Pipeline GP Ltd. | 33 | ||
| 2015 | Surge Energy Inc. | 33 | 30.0 | |
| 2015 | Legacy Oil + Gas Inc. | 31 | 25.0 | |
| 2015 | Sequoia Resources Corp. | 30 | 27.0 | |
| 2015 | TAQA North Ltd. | 28 | 27.0 | |
| 2015 | Trilogy Resources Ltd. | 28 | 26.0 | |
| 2015 | Cenovus FCCL Ltd. | 27 | 16.0 | |
| 2015 | Gibson Energy ULC | 27 | 25.0 | |
| 2015 | Paramount Resources Ltd. | 27 | 25.0 | |
| 2015 | Long Run Exploration Ltd. | 26 | 17.0 | |
| 2015 | Bonterra Energy Corp. | 25 | 23.0 | |
| 2015 | Rife Resources Ltd. | 25 | 24.0 | |
| 2015 | Bonavista Energy Corporation | 24 | 21.0 | |
| 2015 | Chinook Energy Inc. | 23 | 20.0 | |
| 2015 | Crescent Point Energy Corp. | 23 | 13.0 | |
| 2015 | Japan Canada Oil Sands Limited | 21 | ||
| 2015 | Anterra Energy Inc. | 20 | 18.0 | |
| 2015 | Enbridge Pipelines (Woodland) Inc. | 20 | 13.0 | |
| 2015 | Cardinal Energy Ltd. | 18 | 9.0 | |
| 2015 | Enbridge Pipelines (Athabasca) Inc. | 18 | 12.0 | |
| 2015 | Sinopec Daylight Energy Ltd. | 17 | 16.0 | |
| 2015 | Crew Energy Inc. | 16 | 14.0 | |
| 2015 | NEP Canada ULC | 16 | 14.0 | |
| 2015 | SemCAMS ULC | 16 | 8.0 | |
| 2015 | Newalta Corporation | 15 | 14.0 | |
| 2015 | MEG Energy Corp. | 14 | 13.0 | |
| 2015 | Tourmaline Oil Corp. | 14 | 13.0 | |
| 2015 | Whitecap Resources Inc. | 14 | 9.0 | |
| 2015 | Journey Energy Inc. | 13 | 10.0 | |
| 2015 | Inter Pipeline Ltd. | 12 | 10.0 | |
| 2015 | Seven Generations Energy Ltd. | 12 | ||
| 2015 | Spyglass Resources Corp. | 12 | 10.0 | |
| 2015 | Twin Butte Energy Ltd. | 12 | 7.0 | |
| 2015 | Mosaic Energy Ltd. | 11 | 5.0 | |
| 2015 | Alberta Products Pipe Line Ltd | 10 | 7.0 | |
| 2015 | Birchcliff Energy Ltd. | 10 | 8.0 | |
| 2015 | Northern Courier Pipeline Gp Ltd. | 10 | ||
| 2015 | Barnwell of Canada, Limited | 8 | 7.0 | |
| 2015 | Delphi Energy Corp. | 7 | 6.0 | |
| 2015 | Gear Energy Ltd. | 7 | 6.0 | |
| 2015 | Iron Bridge Resources Inc. | 7 | 5.0 | |
| 2015 | Vermilion Energy Inc. | 7 | 4.0 | |
| 2015 | Exshaw Oil Corp. | 6 | 5.0 | |
| 2015 | Strategic Oil & Gas Ltd. | 6 | 5.0 | |
| 2015 | Ish Energy Ltd. | 5 | 4.0 | |
| 2015 | Suncor Energy Logistics Corporation | 5 | 4.0 | |
| 2015 | Alberta Ethane Development Company Ltd. | 4 | 3.0 | |
| 2015 | Inter Pipeline Polaris Inc. | 4 | ||
| 2015 | Blaze Energy Ltd. | 3 | 2.0 | |
| 2015 | Connacher Oil And Gas Limited | 3 | 2.0 | |
| 2015 | Cor4 Oil Corp. | 3 | 1.0 | |
| 2015 | Granite Oil Corp. | 3 | 2.0 | |
| 2015 | Marquee Energy Ltd. | 3 | 2.0 | |
| 2015 | Sabanero Energy Corp. | 3 | 2.0 | |
| 2015 | Secure Energy Services Inc. | 3 | 2.0 | |
| 2015 | Virginia Hills Oil Corp. | 3 | ||
| 2015 | ATCO Energy Solutions Ltd. | 2 | 1.0 | |
| 2015 | Endurance Energy Ltd. | 2 | 1.0 | |
| 2015 | Kelt Exploration Ltd. | 2 | ||
| 2015 | Modern Resources Inc. | 2 | ||
| 2015 | NEO Exploration Inc. | 2 | 1.0 | |
| 2015 | Pine Cliff Energy Ltd. | 2 | ||
| 2015 | Williams Energy Canada ULC | 2 | ||
| 2015 | Aspenleaf Energy Limited | 1 | ||
| 2015 | Brevia Energy Inc. | 1 | ||
| 2015 | Canamax Energy Ltd. | 1 | ||
| 2015 | Copper Island Resources Ltd. | 1 | ||
| 2016 | Husky Oil Operations Limited | 1453 | 1429.0 | |
| 2016 | Imperial Oil Resources Limited | 1426 | 1418.0 | |
| 2016 | Obsidian Energy Ltd. | 1037 | 1012.0 | |
| 2016 | Encana Corporation | 795 | 793.0 | |
| 2016 | Canadian Natural Resources Limited | 762 | 701.0 | |
| 2016 | Repsol Oil & Gas Canada Inc. | 718 | 704.0 | |
| 2016 | Shell Canada Limited | 486 | 481.0 | |
| 2016 | Chevron Canada Limited | 400 | 394.0 | |
| 2016 | Paramount Resources (ACL) Ltd. | 373 | 361.0 | |
| 2016 | Devon Canada Corporation | 295 | 292.0 | |
| 2016 | ARC Resources Ltd. | 268 | 256.0 | |
| 2016 | ConocoPhillips Canada Resources Corp. | 255 | 245.0 | |
| 2016 | Pembina Pipeline Corporation | 239 | 207.0 | |
| 2016 | Harvest Operations Corp. | 237 | 232.0 | |
| 2016 | Nexen Energy ULC | 142 | 139.0 | |
| 2016 | Suncor Energy Inc. | 131 | 122.0 | |
| 2016 | Cenovus Energy Inc. | 129 | 109.0 | |
| 2016 | Pengrowth Energy Corporation | 95 | 82.0 | |
| 2016 | Enerplus Corporation | 69 | 59.0 | |
| 2016 | Grand Rapids Pipeline GP Ltd. | 66 | 33.0 | |
| 2016 | AltaGas Ltd. | 64 | 59.0 | |
| 2016 | ATCO Gas And Pipelines Ltd. | 63 | 46.0 | |
| 2016 | NAL Resources Limited | 63 | 57.0 | |
| 2016 | ExxonMobil Canada Ltd. | 60 | 57.0 | |
| 2016 | Bellatrix Exploration Ltd. | 47 | 42.0 | |
| 2016 | Keyera Energy Ltd. | 47 | 44.0 | |
| 2016 | Seven Generations Energy Ltd. | 45 | 12.0 | |
| 2016 | Zargon Oil & Gas Ltd. | 45 | 43.0 | |
| 2016 | Advantage Oil & Gas Ltd. | 43 | 41.0 | |
| 2016 | Cenovus FCCL Ltd. | 42 | 27.0 | |
| 2016 | Plains Midstream Canada ULC | 42 | 39.0 | |
| 2016 | City Of Medicine Hat | 40 | 35.0 | |
| 2016 | ConocoPhillips Canada Operations ULC | 38 | 35.0 | |
| 2016 | Murphy Oil Company Ltd. | 37 | 36.0 | |
| 2016 | Long Run Exploration Ltd. | 35 | 26.0 | |
| 2016 | Surge Energy Inc. | 34 | 33.0 | |
| 2016 | TAQA North Ltd. | 34 | 28.0 | |
| 2016 | Cardinal Energy Ltd. | 33 | 18.0 | |
| 2016 | Crescent Point Energy Corp. | 31 | 23.0 | |
| 2016 | Trilogy Resources Ltd. | 31 | 28.0 | |
| 2016 | Bonterra Energy Corp. | 30 | 25.0 | |
| 2016 | Enbridge Pipelines (Athabasca) Inc. | 29 | 18.0 | |
| 2016 | Gibson Energy ULC | 28 | 27.0 | |
| 2016 | Bonavista Energy Corporation | 27 | 24.0 | |
| 2016 | Sinopec Daylight Energy Ltd. | 25 | 17.0 | |
| 2016 | Chinook Energy Inc. | 24 | 23.0 | |
| 2016 | Alberta Products Pipe Line Ltd | 21 | 10.0 | |
| 2016 | Tourmaline Oil Corp. | 19 | 14.0 | |
| 2016 | Twin Butte Energy Ltd. | 19 | 12.0 | |
| 2016 | Arsenal Energy Inc. | 18 | 17.0 | |
| 2016 | SemCAMS ULC | 18 | 16.0 | |
| 2016 | Whitecap Resources Inc. | 18 | 14.0 | |
| 2016 | Direct Energy Marketing Limited | 15 | 13.0 | |
| 2016 | Journey Energy Inc. | 15 | 13.0 | |
| 2016 | Northern Courier Pipeline Gp Ltd. | 15 | 10.0 | |
| 2016 | Spyglass Resources Corp. | 15 | 12.0 | |
| 2016 | Birchcliff Energy Ltd. | 13 | 10.0 | |
| 2016 | Inter Pipeline Ltd. | 13 | 12.0 | |
| 2016 | Barnwell of Canada, Limited | 9 | 8.0 | |
| 2016 | Suncor Energy Logistics Corporation | 9 | 5.0 | |
| 2016 | Vermilion Energy Inc. | 9 | 7.0 | |
| 2016 | Lightstream Resources Ltd. | 8 | 7.0 | |
| 2016 | Modern Resources Inc. | 8 | 2.0 | |
| 2016 | Caltex Resources Ltd. | 7 | ||
| 2016 | Strategic Oil & Gas Ltd. | 7 | 6.0 | |
| 2016 | Cor4 Oil Corp. | 6 | 3.0 | |
| 2016 | Progress Energy Canada Ltd. | 6 | 3.0 | |
| 2016 | Athabasca Oil Corporation | 5 | ||
| 2016 | Hammerhead Resources Inc. | 5 | ||
| 2016 | XTO Energy Canada ULC | 5 | 4.0 | |
| 2016 | Fairwest Energy Corporation | 4 | 3.0 | |
| 2016 | Kelt Exploration Ltd. | 4 | 2.0 | |
| 2016 | Yoho Resources Inc. | 4 | ||
| 2016 | Clearbrook Resources Inc. | 3 | 1.0 | |
| 2016 | Firenze Energy Ltd. | 3 | ||
| 2016 | Logic Energy Ltd. | 3 | 2.0 | |
| 2016 | ORLEN Upstream Canada Ltd. | 3 | 2.0 | |
| 2016 | Omers Energy Inc. | 3 | 2.0 | |
| 2016 | Petrus Resources Corp. | 3 | 2.0 | |
| 2016 | Pine Cliff Energy Ltd. | 3 | 2.0 | |
| 2016 | SanLing Energy Ltd. | 3 | ||
| 2016 | Statoil Canada Ltd. | 3 | 2.0 | |
| 2016 | Velvet Energy Ltd. | 3 | ||
| 2016 | Aspenleaf Energy Limited | 2 | 1.0 | |
| 2016 | Canamax Energy Ltd. | 2 | 1.0 | |
| 2016 | Craft Oil Inc. | 2 | 1.0 | |
| 2016 | Ember Resources Inc. | 2 | 1.0 | |
| 2016 | LR Processing Ltd. | 2 | ||
| 2016 | Mount Bastion Oil & Gas Corp. | 2 | ||
| 2016 | New Star Energy Ltd. | 2 | ||
| 2016 | Triaxon Oil Operations Ltd. | 2 | ||
| 2016 | Boulder Energy Ltd. | 1 | ||
| 2016 | Cabot Energy Inc. | 1 | ||
| 2016 | Ener T Corporation | 1 | ||
| 2016 | Enercapita Energy Ltd. | 1 | ||
| 2016 | Karve Energy Inc. | 1 | ||
| 2016 | NOVA Chemicals Corporation | 1 | ||
| 2016 | Osum Production Corp. | 1 | ||
| 2016 | Petrogas Energy Corp. | 1 | ||
| 2016 | Prairie Storm Energy Corp. | 1 | ||
| 2017 | Husky Oil Operations Limited | 1498 | 1453.0 | |
| 2017 | Imperial Oil Resources Limited | 1436 | 1426.0 | |
| 2017 | Obsidian Energy Ltd. | 1053 | 1037.0 | |
| 2017 | Canadian Natural Resources Limited | 834 | 762.0 | |
| 2017 | Encana Corporation | 796 | 795.0 | |
| 2017 | Repsol Oil & Gas Canada Inc. | 735 | 718.0 | |
| 2017 | Shell Canada Limited | 491 | 486.0 | |
| 2017 | Chevron Canada Limited | 403 | 400.0 | |
| 2017 | Paramount Resources (ACL) Ltd. | 382 | 373.0 | |
| 2017 | Devon Canada Corporation | 297 | 295.0 | |
| 2017 | ARC Resources Ltd. | 284 | 268.0 | |
| 2017 | Pembina Pipeline Corporation | 266 | 239.0 | |
| 2017 | ConocoPhillips Canada Resources Corp. | 260 | 255.0 | |
| 2017 | Harvest Operations Corp. | 240 | 237.0 | |
| 2017 | Cenovus Energy Inc. | 151 | 129.0 | |
| 2017 | Suncor Energy Inc. | 133 | 131.0 | |
| 2017 | Pengrowth Energy Corporation | 101 | 95.0 | |
| 2017 | Seven Generations Energy Ltd. | 96 | 45.0 | |
| 2017 | Enerplus Corporation | 74 | 69.0 | |
| 2017 | ATCO Gas And Pipelines Ltd. | 70 | 63.0 | |
| 2017 | Grand Rapids Pipeline GP Ltd. | 69 | 66.0 | |
| 2017 | AltaGas Ltd. | 67 | 64.0 | |
| 2017 | NAL Resources Limited | 67 | 63.0 | |
| 2017 | ExxonMobil Canada Ltd. | 61 | 60.0 | |
| 2017 | Cenovus FCCL Ltd. | 51 | 42.0 | |
| 2017 | Keyera Energy Ltd. | 51 | 47.0 | |
| 2017 | Bellatrix Exploration Ltd. | 50 | 47.0 | |
| 2017 | Plains Midstream Canada ULC | 48 | 42.0 | |
| 2017 | Advantage Oil & Gas Ltd. | 44 | 43.0 | |
| 2017 | TAQA North Ltd. | 44 | 34.0 | |
| 2017 | Cardinal Energy Ltd. | 42 | 33.0 | |
| 2017 | City Of Medicine Hat | 42 | 40.0 | |
| 2017 | Crescent Point Energy Corp. | 42 | 31.0 | |
| 2017 | ConocoPhillips Canada Operations ULC | 40 | 38.0 | |
| 2017 | Murphy Oil Company Ltd. | 38 | 37.0 | |
| 2017 | Surge Energy Inc. | 37 | 34.0 | |
| 2017 | Baytex Energy Ltd. | 34 | 33.0 | |
| 2017 | Bonterra Energy Corp. | 33 | 30.0 | |
| 2017 | Sequoia Resources Corp. | 33 | 30.0 | |
| 2017 | Enbridge Pipelines (Athabasca) Inc. | 31 | 29.0 | |
| 2017 | Sinopec Daylight Energy Ltd. | 31 | 25.0 | |
| 2017 | Paramount Resources Ltd. | 29 | 27.0 | |
| 2017 | Tourmaline Oil Corp. | 29 | 19.0 | |
| 2017 | Bonavista Energy Corporation | 28 | 27.0 | |
| 2017 | Prairie Provident Resources Canada Ltd. | 27 | 24.0 | |
| 2017 | Alberta Products Pipe Line Ltd | 24 | 21.0 | |
| 2017 | Hammerhead Resources Inc. | 23 | 5.0 | |
| 2017 | Anterra Energy Inc. | 21 | 20.0 | |
| 2017 | Twin Butte Energy Ltd. | 20 | 19.0 | |
| 2017 | Whitecap Resources Inc. | 20 | 18.0 | |
| 2017 | Journey Energy Inc. | 19 | 15.0 | |
| 2017 | NEP Canada ULC | 19 | 16.0 | |
| 2017 | Northern Courier Pipeline Gp Ltd. | 18 | 15.0 | |
| 2017 | Birchcliff Energy Ltd. | 16 | 13.0 | |
| 2017 | Newalta Corporation | 16 | 15.0 | |
| 2017 | MEG Energy Corp. | 15 | 14.0 | |
| 2017 | Suncor Energy Logistics Corporation | 15 | 9.0 | |
| 2017 | Inter Pipeline Ltd. | 14 | 13.0 | |
| 2017 | Cold Lake Pipeline Ltd. | 12 | 9.0 | |
| 2017 | Cor4 Oil Corp. | 12 | 6.0 | |
| 2017 | Syncrude Canada Ltd. | 12 | 11.0 | |
| 2017 | Pembina Gas Services Ltd. | 10 | ||
| 2017 | Strategic Oil & Gas Ltd. | 10 | 7.0 | |
| 2017 | Vermilion Energy Inc. | 10 | 9.0 | |
| 2017 | Athabasca Oil Corporation | 8 | 5.0 | |
| 2017 | Caltex Resources Ltd. | 8 | 7.0 | |
| 2017 | ORLEN Upstream Canada Ltd. | 8 | 3.0 | |
| 2017 | Exshaw Oil Corp. | 7 | 6.0 | |
| 2017 | XTO Energy Canada ULC | 7 | 5.0 | |
| 2017 | Alberta Ethane Development Company Ltd. | 6 | 4.0 | |
| 2017 | LGX Oil + Gas Inc. | 6 | 5.0 | |
| 2017 | Meritage Midstream ULC | 6 | ||
| 2017 | Velvet Energy Ltd. | 6 | 3.0 | |
| 2017 | Inter Pipeline Polaris Inc. | 5 | 4.0 | |
| 2017 | Kelt Exploration Ltd. | 5 | 4.0 | |
| 2017 | Omers Energy Inc. | 5 | 3.0 | |
| 2017 | Peyto Exploration & Development Corp. | 5 | 2.0 | |
| 2017 | Razor Energy Corp. | 5 | ||
| 2017 | SanLing Energy Ltd. | 5 | 3.0 | |
| 2017 | Secure Energy Services Inc. | 5 | 3.0 | |
| 2017 | Cleo Energy Corp. | 4 | ||
| 2017 | Firenze Energy Ltd. | 4 | 3.0 | |
| 2017 | HESC Energy Corporation | 4 | ||
| 2017 | Logic Energy Ltd. | 4 | 3.0 | |
| 2017 | Petrus Resources Corp. | 4 | 3.0 | |
| 2017 | Pine Cliff Energy Ltd. | 4 | 3.0 | |
| 2017 | Yangarra Resources Corp. | 4 | 3.0 | |
| 2017 | Ember Resources Inc. | 3 | 2.0 | |
| 2017 | Mount Bastion Oil & Gas Corp. | 3 | 2.0 | |
| 2017 | Ridgeback Resources Inc. | 3 | ||
| 2017 | Rising Star Resources Ltd. | 3 | ||
| 2017 | ACCEL Energy Canada Limited | 2 | ||
| 2017 | Canadian Oil & Gas International Inc. | 2 | ||
| 2017 | Enercapita Energy Ltd. | 2 | 1.0 | |
| 2017 | Glenogle Energy Inc. | 2 | 1.0 | |
| 2017 | Hanna Oil & Gas Company - Canada ULC | 2 | 1.0 | |
| 2017 | InPlay Oil Corp. | 2 | ||
| 2017 | Paramount Resources (TEC) Ltd. | 2 | ||
| 2017 | Petrogas Energy Corp. | 2 | 1.0 | |
| 2017 | Predator Oil Ltd. | 2 | ||
| 2018 | Husky Oil Operations Limited | 1506 | 1498.0 | |
| 2018 | Imperial Oil Resources Limited | 1441 | 1436.0 | |
| 2018 | Obsidian Energy Ltd. | 1057 | 1053.0 | |
| 2018 | Canadian Natural Resources Limited | 869 | 834.0 | |
| 2018 | Repsol Oil & Gas Canada Inc. | 741 | 735.0 | |
| 2018 | Chevron Canada Limited | 404 | 403.0 | |
| 2018 | Devon Canada Corporation | 300 | 297.0 | |
| 2018 | ARC Resources Ltd. | 289 | 284.0 | |
| 2018 | Pembina Pipeline Corporation | 272 | 266.0 | |
| 2018 | ConocoPhillips Canada Resources Corp. | 262 | 260.0 | |
| 2018 | Harvest Operations Corp. | 246 | 240.0 | |
| 2018 | Seven Generations Energy Ltd. | 166 | 96.0 | |
| 2018 | Cenovus Energy Inc. | 156 | 151.0 | |
| 2018 | ATCO Gas And Pipelines Ltd. | 77 | 70.0 | |
| 2018 | Enerplus Corporation | 75 | 74.0 | |
| 2018 | NAL Resources Limited | 68 | 67.0 | |
| 2018 | Cenovus FCCL Ltd. | 61 | 51.0 | |
| 2018 | Keyera Energy Ltd. | 55 | 51.0 | |
| 2018 | TAQA North Ltd. | 50 | 44.0 | |
| 2018 | Plains Midstream Canada ULC | 49 | 48.0 | |
| 2018 | Zargon Oil & Gas Ltd. | 47 | 45.0 | |
| 2018 | Bearspaw Petroleum Ltd. | 46 | 45.0 | |
| 2018 | Crescent Point Energy Corp. | 46 | 42.0 | |
| 2018 | Advantage Oil & Gas Ltd. | 45 | 44.0 | |
| 2018 | Cardinal Energy Ltd. | 45 | 42.0 | |
| 2018 | City Of Medicine Hat | 44 | 42.0 | |
| 2018 | Surge Energy Inc. | 41 | 37.0 | |
| 2018 | Murphy Oil Company Ltd. | 40 | 38.0 | |
| 2018 | Long Run Exploration Ltd. | 38 | 35.0 | |
| 2018 | Baytex Energy Ltd. | 35 | 34.0 | |
| 2018 | Paramount Resources Ltd. | 35 | 29.0 | |
| 2018 | Bonterra Energy Corp. | 34 | 33.0 | |
| 2018 | Enbridge Pipelines (Athabasca) Inc. | 32 | 31.0 | |
| 2018 | Tourmaline Oil Corp. | 32 | 29.0 | |
| 2018 | Prairie Provident Resources Canada Ltd. | 29 | 27.0 | |
| 2018 | Hammerhead Resources Inc. | 28 | 23.0 | |
| 2018 | Alberta Products Pipe Line Ltd | 27 | 24.0 | |
| 2018 | Inter Pipeline Ltd. | 22 | 14.0 | |
| 2018 | Japan Canada Oil Sands Limited | 22 | 21.0 | |
| 2018 | Journey Energy Inc. | 21 | 19.0 | |
| 2018 | NEP Canada ULC | 21 | 19.0 | |
| 2018 | Suncor Energy Logistics Corporation | 18 | 15.0 | |
| 2018 | Cor4 Oil Corp. | 17 | 12.0 | |
| 2018 | Caltex Resources Ltd. | 10 | 8.0 | |
| 2018 | Meritage Midstream ULC | 7 | 6.0 | |
| 2018 | SanLing Energy Ltd. | 7 | 5.0 | |
| 2018 | Kelt Exploration Ltd. | 6 | 5.0 | |
| 2018 | Razor Energy Corp. | 6 | 5.0 | |
| 2018 | HESC Energy Corporation | 5 | 4.0 | |
| 2018 | AltaGas Utilities Inc. | 4 | 3.0 | |
| 2018 | Ember Resources Inc. | 4 | 3.0 | |
| 2018 | Karve Energy Inc. | 4 | 1.0 | |
| 2018 | Mount Bastion Oil & Gas Corp. | 4 | 3.0 | |
| 2018 | Torxen Energy Ltd. | 4 | ||
| 2018 | ACCEL Energy Canada Limited | 3 | 2.0 | |
| 2018 | Predator Oil Ltd. | 3 | 2.0 | |
| 2018 | Tidewater Midstream and Infrastructure Ltd. | 3 | ||
| 2018 | Altagas Holdings Inc. | 2 | 1.0 | |
| 2018 | Cabot Energy Inc. | 2 | 1.0 | |
| 2018 | Canlin Energy Corporation | 2 | ||
| 2018 | IPC Alberta Ltd. | 2 | ||
| 2018 | Mancal Energy Inc. | 2 | ||
| 2018 | Summerland Energy Inc. | 2 | ||
| 2018 | UNKNOWN | 2 | ||
| 2018 | Venturion Oil Limited | 2 | ||
| 2018 | West Lake Energy Corp. | 2 | ||
| 2018 | Acquisition Oil Corp. | 1 | ||
| 2018 | Alphabow Energy Ltd. | 1 | ||
| 2018 | Baccalieu Energy Inc. | 1 | ||
| 2018 | Cedar Creek Energy Ltd. | 1 | ||
| 2018 | Inception Exploration Ltd. | 1 | ||
| 2018 | Little Rock Resources Ltd. | 1 | ||
| 2018 | Pulse Oil Operating Corp. | 1 | ||
| 2018 | Vantage Point Resources Inc. | 1 | ||
| 2015 | BP Canada Energy Company | 2092 | 2092.0 | |
| 2016 | BP Canada Energy Company | 2092 | 2092.0 | |
| 2017 | BP Canada Energy Company | 2092 | 2092.0 | |
| 2018 | BP Canada Energy Company | 2092 | 2092.0 | |
| 2014 | ExxonMobil Canada Energy | 1217 | 1217.0 | |
| 2015 | ExxonMobil Canada Energy | 1217 | 1217.0 | |
| 2016 | ExxonMobil Canada Energy | 1217 | 1217.0 | |
| 2017 | ExxonMobil Canada Energy | 1217 | 1217.0 | |
| 2018 | ExxonMobil Canada Energy | 1217 | 1217.0 |
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