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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Continental Resources Inc | Montana | 131,250 BBLs | 284,942 MCF | Jan 1991 - Apr 2024 |
| Continental Resources Inc | Wyoming | 642,464 BBLs | 2,625,311 MCF | Jan 1993 - May 2024 |
| Continental Resources, Inc. | North Dakota | 5,314,685 BBLs | 20,416,407 MCF | Sep 1978 - May 2024 |
| Cook Inlet Energy, LLC. | Alaska | 71,520 BBLs | 22,982 MCF | Dec 2009 - May 2024 |
| Coral Production Corporation | Kansas | 2,225 BBLs | 0 MCF | Jan 1980 - Mar 2024 |
| Core Energy LLC | Michigan | 37,964 BBLs | 10,393 MCF | Jan 2006 - Apr 2024 |
| Cornerstone Natural Resources LLC | North Dakota | 10,013 BBLs | 15,624 MCF | Jan 2007 - May 2024 |
| Coteau Energy LLC | Louisiana | 9,639 BBLs | 72,248 MCF | Jul 2021 - Dec 2023 |
| Cox Operating, L.L.C. | Louisiana | 4,182 BBLs | 7,525 MCF | Jun 2004 - Jan 2024 |
| Crawford Production Company | Kansas | 2,107 BBLs | 548 MCF | Jan 1980 - Mar 2024 |
| Crescent Pass Energy, LLC | Louisiana | 175 BBLs | 112,645 MCF | Aug 2018 - Jan 2024 |
| Crescent Point Energy U.S. Corp. | North Dakota | 547,417 BBLs | 1,065,782 MCF | Dec 2010 - May 2024 |
| Crestone Peak Resources Operating LLC | Colorado | 1,174,810 BBLs | 7,363,510 MCF | Aug 2016 - Apr 2024 |
| Cross Bar Energy, LLC | Kansas | 2,462 BBLs | 0 MCF | Jan 1980 - Mar 2024 |
| Cross Timbers Energy, LLC | New Mexico | 30,230 BBLs | 376,196 MCF | Jul 2013 - May 2024 |
| Crowheart Energy LLC | Wyoming | 191,619 BBLs | 6,248,773 MCF | Feb 2018 - Apr 2024 |
| Crown Energy Company | Kansas | 2,235 BBLs | 0 MCF | Jan 1980 - Mar 2024 |
| Curt'S Oil Operation, LLC | Kansas | 4,622 BBLs | 0 MCF | Jan 2010 - Mar 2024 |
| CWT Operating, LLC | Montana | 1,794 BBLs | 167 MCF | Dec 2021 - Apr 2024 |
| Cypress Operating, Inc | Arkansas | 2,553 BBLs | 0 MCF | Jan 2001 - May 2024 |
| D90 Energy LLC | Wyoming | 3,246 BBLs | 21,399 MCF | Jan 2020 - Apr 2024 |
| Dale E. Jackson Production Co. | Kansas | 2,003 BBLs | 0 MCF | Jan 1980 - Mar 2024 |
| Damar Resources, Inc. | Kansas | 9,068 BBLs | 0 MCF | Jan 1980 - Mar 2024 |
| Darrah Oil Company LLC | Colorado | 1,508 BBLs | 0 MCF | Oct 2018 - Apr 2024 |
| Darrah Oil Company, LLC | Kansas | 22,259 BBLs | 3,912 MCF | Jan 2010 - Mar 2024 |
| Daube Company The | Wyoming | 7,914 BBLs | 0 MCF | Jan 1990 - May 2024 |
| Daylight Petroleum LLC | Louisiana | 5,634 BBLs | 19,906 MCF | Feb 2019 - Jan 2024 |
| Daylight Petroleum, LLC | Kansas | 1,516 BBLs | 0 MCF | Jan 2010 - Mar 2024 |
| Daystar Petroleum, Inc. | Kansas | 11,132 BBLs | 11,234 MCF | Jan 1980 - Mar 2024 |
| De Soto Oil Properties, LLC | Alabama | 1,666 BBLs | 1,185 MCF | May 1988 - Feb 2024 |
| Delta Royalties LLC | Louisiana | 2,580 BBLs | 7,718 MCF | Dec 2019 - Dec 2023 |
| Denbury Onshore LLC | Wyoming | 217,961 BBLs | 145,524 MCF | Jan 2011 - May 2024 |
| Denbury Onshore, LLC | Alabama | 20,981 BBLs | 0 MCF | Jan 1956 - Feb 2024 |
| Denbury Onshore, LLC | Louisiana | 99,471 BBLs | 82,206 MCF | Jan 2004 - Dec 2023 |
| Denbury Onshore, LLC | Montana | 324,143 BBLs | 5,633,931 MCF | Jan 2011 - Apr 2024 |
| Denbury Onshore, LLC | North Dakota | 124,457 BBLs | 32,448 MCF | Oct 2007 - May 2024 |
| Deutsch Oil Company | Kansas | 4,172 BBLs | 1,972 MCF | Jan 1980 - Mar 2024 |
| Devon Energy Production Company LP | Wyoming | 532,556 BBLs | 950,545 MCF | Jan 1978 - May 2024 |
| Devon Energy Production Company, LP | New Mexico | 5,950,509 BBLs | 26,594,731 MCF | Jan 1993 - Apr 2024 |
| Dews Production LLC | Arkansas | 2,563 BBLs | 2,215 MCF | Nov 2016 - May 2024 |
| DGH Oil, LLC | Kansas | 4,663 BBLs | 0 MCF | Jan 1980 - Mar 2024 |
| Diamond Oil & Gas LLC | Wyoming | 1,445 BBLs | 13,523 MCF | Oct 2011 - Apr 2024 |
| Diehl Oil Inc | Kansas | 2,962 BBLs | 0 MCF | Jan 1980 - Mar 2024 |
| Diversified Production LLC | Louisiana | 11,292 BBLs | 3,855,882 MCF | May 2021 - Dec 2023 |
| Dixon Operating Company, LLC | Kansas | 11,987 BBLs | 46,582 MCF | Jan 2010 - Mar 2024 |
| DJR Operating, LLC | New Mexico | 340,273 BBLs | 1,281,460 MCF | Nov 2017 - May 2024 |
| DK Operating Inc. | Kansas | 1,796 BBLs | 0 MCF | Jan 1980 - Mar 2024 |
| DNR Oil And Gas, Inc. | Kansas | 1,605 BBLs | 0 MCF | Jan 1980 - Mar 2024 |
| Dome De Sel LLC | Louisiana | 1,361 BBLs | 12,395 MCF | Oct 2018 - Dec 2023 |
| Double Eagle Exploration, Inc. | Kansas | 1,940 BBLs | 0 MCF | Jan 1980 - Mar 2024 |