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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Continental Resources Inc | Wyoming | 671,446 BBLs | 2,332,702 MCF | Jan 1993 - Feb 2024 |
| Continental Resources, Inc. | North Dakota | 6,114,365 BBLs | 19,643,258 MCF | Sep 1978 - Feb 2024 |
| Cook Inlet Energy, LLC. | Alaska | 68,402 BBLs | 28,875 MCF | Dec 2009 - Feb 2024 |
| Coral Production Corporation | Kansas | 1,897 BBLs | 0 MCF | Jan 1980 - Dec 2023 |
| Core Energy LLC | Michigan | 39,528 BBLs | 9,818 MCF | Jan 2006 - Feb 2024 |
| Cornerstone Energy, LLC | Arkansas | 2,174 BBLs | 0 MCF | Jan 2001 - Feb 2024 |
| Cornerstone Natural Resources LLC | North Dakota | 9,559 BBLs | 13,508 MCF | Jan 2007 - Feb 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 | 2,311 BBLs | 627 MCF | Jan 1980 - Dec 2023 |
| Crescent Pass Energy, LLC | Louisiana | 175 BBLs | 112,645 MCF | Aug 2018 - Jan 2024 |
| Crescent Point Energy U.S. Corp. | North Dakota | 648,502 BBLs | 968,932 MCF | Dec 2010 - Feb 2024 |
| Crosbys Creek Oil & Gas, LLC | Alabama | 4,848 BBLs | 21,721 MCF | Apr 1982 - Nov 2023 |
| Cross Bar Energy, LLC | Kansas | 2,959 BBLs | 0 MCF | Jan 1980 - Dec 2023 |
| Cross Timbers Energy, LLC | New Mexico | 29,487 BBLs | 411,466 MCF | Jul 2013 - Feb 2024 |
| Crowheart Energy LLC | Wyoming | 284,152 BBLs | 7,591,066 MCF | Feb 2018 - Jan 2024 |
| Crown Energy Company | Kansas | 2,187 BBLs | 0 MCF | Jan 1980 - Dec 2023 |
| Cub Creek Energy LLC | Colorado | 42,791 BBLs | 542,843 MCF | Jun 2016 - Feb 2024 |
| Curt'S Oil Operation, LLC | Kansas | 4,963 BBLs | 0 MCF | Jan 2010 - Dec 2023 |
| CWT Operating, LLC | Montana | 2,090 BBLs | 211 MCF | Dec 2021 - Feb 2024 |
| Cypress Operating, Inc | Arkansas | 3,127 BBLs | 0 MCF | Jan 2001 - Feb 2024 |
| D & Z Exploration, Inc. | Kansas | 1,388 BBLs | 0 MCF | Jul 1985 - Dec 2023 |
| D90 Energy LLC | Wyoming | 3,387 BBLs | 25,663 MCF | Jan 2020 - Jan 2024 |
| Dakota Crude, Inc. | North Dakota | 1,337 BBLs | 0 MCF | May 2003 - Feb 2024 |
| Dale E. Jackson Production Co. | Kansas | 1,845 BBLs | 0 MCF | Jan 1980 - Dec 2023 |
| Damar Resources, Inc. | Kansas | 9,170 BBLs | 0 MCF | Jan 1980 - Dec 2023 |
| Darrah Oil Company LLC | Colorado | 1,317 BBLs | 0 MCF | Oct 2018 - Mar 2024 |
| Darrah Oil Company, LLC | Kansas | 23,347 BBLs | 6,357 MCF | Jan 2010 - Dec 2023 |
| Daube Company The | Wyoming | 4,517 BBLs | 0 MCF | Jan 1990 - Feb 2024 |
| Daylight Petroleum LLC | Louisiana | 5,634 BBLs | 19,906 MCF | Feb 2019 - Jan 2024 |
| Daylight Petroleum, LLC | Kansas | 2,720 BBLs | 0 MCF | Jan 2010 - Dec 2023 |
| Daystar Petroleum, Inc. | Kansas | 9,677 BBLs | 12,496 MCF | Jan 1980 - Dec 2023 |
| De Soto Oil Properties, LLC | Alabama | 1,702 BBLs | 1,471 MCF | May 1988 - Nov 2023 |
| Delta Royalties LLC | Louisiana | 2,580 BBLs | 7,718 MCF | Dec 2019 - Dec 2023 |
| Denbury Onshore LLC | Wyoming | 238,228 BBLs | 169,715 MCF | Jan 2011 - Feb 2024 |
| Denbury Onshore, LLC | Alabama | 20,346 BBLs | 0 MCF | Jan 1956 - Nov 2023 |
| Denbury Onshore, LLC | Louisiana | 99,471 BBLs | 82,206 MCF | Jan 2004 - Dec 2023 |
| Denbury Onshore, LLC | Montana | 325,367 BBLs | 5,753,638 MCF | Jan 2011 - Feb 2024 |
| Denbury Onshore, LLC | North Dakota | 89,127 BBLs | 23,883 MCF | Oct 2007 - Feb 2024 |
| Deutsch Oil Company | Kansas | 3,157 BBLs | 2,214 MCF | Jan 1980 - Dec 2023 |
| Devon Energy Production Company LP | Wyoming | 565,745 BBLs | 942,466 MCF | Jan 1978 - Feb 2024 |
| Devon Energy Production Company, LP | New Mexico | 5,371,859 BBLs | 25,386,937 MCF | Jan 1993 - Jan 2024 |
| Dews Production LLC | Arkansas | 2,636 BBLs | 2,084 MCF | Nov 2016 - Feb 2024 |
| DGH Oil, LLC | Kansas | 4,327 BBLs | 0 MCF | Jan 1980 - Dec 2023 |
| DHP Investments, LTD. | Kansas | 1,312 BBLs | 0 MCF | Mar 2008 - Dec 2023 |
| Diamond Oil & Gas LLC | Wyoming | 1,675 BBLs | 14,181 MCF | Oct 2011 - Feb 2024 |
| Diehl Oil Inc | Kansas | 2,276 BBLs | 0 MCF | Jan 1980 - Dec 2023 |
| Diversified Production LLC | Louisiana | 11,292 BBLs | 3,855,882 MCF | May 2021 - Dec 2023 |
| Dixon Operating Company, LLC | Kansas | 10,135 BBLs | 48,722 MCF | Jan 2010 - Dec 2023 |
| DJR Operating, LLC | New Mexico | 361,186 BBLs | 1,381,908 MCF | Nov 2017 - Feb 2024 |