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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Castex Energy, Inc. | Louisiana | 36,907 BBLs | 689,110 MCF | Jun 1988 - Jan 2025 |
| Castle Resources, Inc. | Kansas | 2,270 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Cat Creek Holdings LLC | Montana | 1,362 BBLs | 0 MCF | Aug 2020 - Sep 2025 |
| Catamount Energy Partners LLC | Colorado | 0 BBLs | 956,159 MCF | Jan 1999 - Oct 2025 |
| Catamount Energy Partners LLC | New Mexico | 0 BBLs | 72,596 MCF | Aug 2014 - Oct 2025 |
| Cci Robinson'S Bend LLC | Alabama | 0 BBLs | 165,625 MCF | Jan 1990 - Sep 2025 |
| Cenergy Resources LLC | Wyoming | 5,453 BBLs | 55,012 MCF | Jul 2023 - Oct 2025 |
| Century Oil And Gas LLC | Wyoming | 2,378 BBLs | 12,295 MCF | Dec 2018 - Oct 2025 |
| Chaco Energy Company | Colorado | 1,791 BBLs | 4,695 MCF | Jan 1999 - Sep 2025 |
| Chaco Energy Company | Wyoming | 3,289 BBLs | 39,172 MCF | Apr 1999 - Sep 2025 |
| Chadco, Inc. | Louisiana | 1,834 BBLs | 0 MCF | Dec 1989 - Dec 2024 |
| Challenger Point Energy, LLC | North Dakota | 3,282 BBLs | 119 MCF | Jan 2018 - Oct 2025 |
| Charter Energy, Inc. | Kansas | 6,898 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Cherokee Wells LLC | Kansas | 165 BBLs | 51,376 MCF | Sep 1980 - Jun 2025 |
| Chesapeake Operating, L.L.C. | Louisiana | 0 BBLs | 49,721,168 MCF | Jun 2014 - Dec 2024 |
| Chevron Midcontinent, L.P. | New Mexico | 3,178 BBLs | 11,532 MCF | Apr 2006 - Sep 2025 |
| Chevron U S A Inc | New Mexico | 2,318,642 BBLs | 12,521,540 MCF | Jan 1993 - Sep 2025 |
| Chevron U.S.A. Inc. | Alabama | 0 BBLs | 54,605 MCF | Oct 1962 - Sep 2025 |
| Chevron USA Inc | Colorado | 714 BBLs | 265,412 MCF | Jan 1999 - Sep 2025 |
| Chi Operating Inc | New Mexico | 13,412 BBLs | 10,224 MCF | Jan 1993 - Oct 2025 |
| Chieftain Oil Co., Inc. | Kansas | 2,228 BBLs | 85,126 MCF | Jan 1980 - Jun 2025 |
| Chipcore LLC | Wyoming | 7,538 BBLs | 1,111 MCF | Sep 2012 - Oct 2025 |
| Chizum Oil, LLC | Kansas | 2,597 BBLs | 0 MCF | May 2018 - Jun 2025 |
| Cholla Production, LLC | Kansas | 1,787 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Chris Batchman Inc. | Kansas | 1,498 BBLs | 0 MCF | Jan 2010 - Jun 2025 |
| Christian Oil Co Inc | Michigan | 2,086 BBLs | 0 MCF | Jul 1985 - Sep 2025 |
| Cimarex Energy Co. Of Colorado | New Mexico | 358,230 BBLs | 1,826,423 MCF | May 1997 - Oct 2025 |
| Cimic Energy, LLC | Louisiana | 1,933 BBLs | 0 MCF | Jan 2011 - Jan 2025 |
| Citation Oil & Gas Corp | Colorado | 20,483 BBLs | 146,500 MCF | Jan 1999 - Oct 2025 |
| Citation Oil & Gas Corp | New Mexico | 329 BBLs | 22,795 MCF | Jan 1993 - Oct 2025 |
| Citation Oil & Gas Corp | Utah | 16,283 BBLs | 9,820 MCF | Jan 1973 - Oct 2025 |
| Citation Oil & Gas Corp. | Kansas | 3,746 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Citation Oil & Gas Corp. | Montana | 15,642 BBLs | 978 MCF | Jan 1991 - Sep 2025 |
| Citation Oil & Gas Corp. | North Dakota | 14,380 BBLs | 7,882 MCF | Oct 1996 - Oct 2025 |
| Citation Oil & Gas Corporation | Wyoming | 87,906 BBLs | 13,192 MCF | Jan 1981 - Oct 2025 |
| Civitas North LLC | Colorado | 148,954 BBLs | 671,166 MCF | Oct 2010 - Sep 2025 |
| Civitas Permian Operating, LLC | New Mexico | 956,890 BBLs | 4,850,029 MCF | Feb 2024 - Oct 2025 |
| Clapp Oil LLC | Kansas | 1,294 BBLs | 0 MCF | Jan 2020 - Jun 2025 |
| CML Exploration, LLC | New Mexico | 4,490 BBLs | 10,371 MCF | Nov 2007 - Oct 2025 |
| CMX, Inc. | Kansas | 1,771 BBLs | 12,145 MCF | Jan 1980 - Jun 2025 |
| Coastal Plains Energy Inc | Utah | 0 BBLs | 24,944 MCF | Jun 2002 - Oct 2025 |
| Cobalt Energy LLC | Kansas | 5,116 BBLs | 0 MCF | Mar 2012 - Jun 2025 |
| Cobra Oil & Gas Corp | Utah | 0 BBLs | 111,101 MCF | Aug 2015 - Oct 2025 |
| Cobra Oil & Gas Corporation | North Dakota | 88,319 BBLs | 39,332 MCF | Dec 2015 - Oct 2025 |
| Cobra Oil & Gas Corporation | Wyoming | 150 BBLs | 31,939 MCF | Jan 1978 - Oct 2025 |
| Cobra Oil And Gas Corporation | Michigan | 0 BBLs | 76,212 MCF | Jun 2015 - Oct 2025 |
| COG Operating LLC | New Mexico | 3,474,151 BBLs | 15,015,363 MCF | Dec 2004 - Oct 2025 |
| COG Production, LLC | New Mexico | 525,043 BBLs | 2,720,581 MCF | Jul 2004 - Oct 2025 |
| Colt Energy Inc | Kansas | 15,693 BBLs | 50,641 MCF | Jan 1980 - Jun 2025 |
| Compass Energy Operating, LLC | Louisiana | 138 BBLs | 869,300 MCF | Jul 2014 - Jan 2025 |