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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Cat Creek Holdings LLC | Montana | 1,236 BBLs | 0 MCF | Aug 2020 - Nov 2025 |
| Catamount Energy Partners LLC | Colorado | 0 BBLs | 988,230 MCF | Jan 1999 - Nov 2025 |
| Catamount Energy Partners LLC | New Mexico | 0 BBLs | 83,137 MCF | Aug 2014 - Dec 2025 |
| Cci Robinson'S Bend LLC | Alabama | 0 BBLs | 158,163 MCF | Jan 1990 - Oct 2025 |
| Cenergy Resources LLC | Wyoming | 5,673 BBLs | 44,082 MCF | Jul 2023 - Oct 2025 |
| Century Oil And Gas LLC | Wyoming | 2,398 BBLs | 10,666 MCF | Dec 2018 - Oct 2025 |
| Chaco Energy Company | Colorado | 1,633 BBLs | 6,254 MCF | Jan 1999 - Oct 2025 |
| Chadco, Inc. | Louisiana | 1,834 BBLs | 0 MCF | Dec 1989 - Dec 2024 |
| Challenger Point Energy, LLC | North Dakota | 3,075 BBLs | 0 MCF | Jan 2018 - Nov 2025 |
| Charter Energy, Inc. | Kansas | 6,762 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| Cherokee Wells LLC | Kansas | 158 BBLs | 50,278 MCF | Sep 1980 - Sep 2025 |
| Chesapeake Operating, L.L.C. | Louisiana | 0 BBLs | 49,721,168 MCF | Jun 2014 - Dec 2024 |
| Chevron Midcontinent, L.P. | New Mexico | 2,846 BBLs | 9,654 MCF | Apr 2006 - Nov 2025 |
| Chevron U S A Inc | New Mexico | 2,438,527 BBLs | 12,777,873 MCF | Jan 1993 - Nov 2025 |
| Chevron U.S.A. Inc. | Alabama | 0 BBLs | 52,429 MCF | Oct 1962 - Oct 2025 |
| Chevron USA Inc | Colorado | 818 BBLs | 270,414 MCF | Jan 1999 - Oct 2025 |
| Chi Operating Inc | New Mexico | 13,540 BBLs | 24,095 MCF | Jan 1993 - Nov 2025 |
| Chieftain Oil Co., Inc. | Kansas | 2,310 BBLs | 88,207 MCF | Jan 1980 - Sep 2025 |
| Chipcore LLC | Wyoming | 6,234 BBLs | 1,036 MCF | Sep 2012 - Oct 2025 |
| Chizum Oil, LLC | Kansas | 2,593 BBLs | 0 MCF | May 2018 - Sep 2025 |
| Cholla Production, LLC | Kansas | 1,921 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| Christian Oil Co Inc | Michigan | 1,791 BBLs | 0 MCF | Jul 1985 - Nov 2025 |
| Cimarex Energy Co. Of Colorado | New Mexico | 597,609 BBLs | 2,357,204 MCF | May 1997 - Nov 2025 |
| Cimic Energy, LLC | Louisiana | 1,933 BBLs | 0 MCF | Jan 2011 - Jan 2025 |
| Citation Oil & Gas Corp | Colorado | 19,654 BBLs | 148,087 MCF | Jan 1999 - Nov 2025 |
| Citation Oil & Gas Corp | New Mexico | 464 BBLs | 21,512 MCF | Jan 1993 - Nov 2025 |
| Citation Oil & Gas Corp | Utah | 16,700 BBLs | 8,599 MCF | Jan 1973 - Dec 2025 |
| Citation Oil & Gas Corp. | Kansas | 3,639 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| Citation Oil & Gas Corp. | Montana | 15,780 BBLs | 1,537 MCF | Jan 1991 - Nov 2025 |
| Citation Oil & Gas Corp. | North Dakota | 15,061 BBLs | 7,694 MCF | Oct 1996 - Nov 2025 |
| Citation Oil & Gas Corporation | Wyoming | 92,163 BBLs | 12,171 MCF | Jan 1981 - Oct 2025 |
| Civitas North LLC | Colorado | 27,314 BBLs | 100,788 MCF | Oct 2010 - Oct 2025 |
| Civitas Permian Operating, LLC | New Mexico | 983,786 BBLs | 4,567,346 MCF | Feb 2024 - Nov 2025 |
| CML Exploration, LLC | New Mexico | 4,638 BBLs | 9,458 MCF | Nov 2007 - Dec 2025 |
| CMX, Inc. | Kansas | 2,016 BBLs | 9,369 MCF | Jan 1980 - Sep 2025 |
| Coastal Plains Energy Inc | Utah | 0 BBLs | 26,578 MCF | Jun 2002 - Dec 2025 |
| Cobalt Energy LLC | Kansas | 3,504 BBLs | 0 MCF | Mar 2012 - Sep 2025 |
| Cobra Oil & Gas Corp | Utah | 0 BBLs | 114,424 MCF | Aug 2015 - Dec 2025 |
| Cobra Oil & Gas Corporation | North Dakota | 87,026 BBLs | 40,315 MCF | Dec 2015 - Nov 2025 |
| Cobra Oil & Gas Corporation | Wyoming | 165 BBLs | 32,842 MCF | Jan 1978 - Nov 2025 |
| Cobra Oil And Gas Corporation | Michigan | 0 BBLs | 98,683 MCF | Jun 2015 - Nov 2025 |
| Cody Operating, Inc. | Mississippi | 996 BBLs | 63,460 MCF | Dec 1976 - Nov 2025 |
| COG Operating LLC | New Mexico | 3,142,124 BBLs | 13,598,285 MCF | Dec 2004 - Nov 2025 |
| COG Production, LLC | New Mexico | 382,231 BBLs | 2,350,553 MCF | Jul 2004 - Nov 2025 |
| Colt Energy Inc | Kansas | 16,023 BBLs | 47,468 MCF | Jan 1980 - Sep 2025 |
| Compass Energy Operating, LLC | Louisiana | 138 BBLs | 869,300 MCF | Jul 2014 - Jan 2025 |
| Comstock Oil & Gas--La, LLC | Louisiana | 690 BBLs | 39,125,046 MCF | Apr 2005 - Dec 2024 |
| Conocophillips Alaska, Inc. | Alaska | 3,859,645 BBLs | 10,316,307 MCF | Dec 1963 - Dec 2025 |
| Conocophillips Company | New Mexico | 893,351 BBLs | 3,220,709 MCF | Jan 2003 - Nov 2025 |
| Contango Resources LLC | Wyoming | 394,750 BBLs | 7,363,818 MCF | Feb 2020 - Nov 2025 |