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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Cardinal Wyoming LLC | Wyoming | 18,495 BBLs | 60 MCF | Jun 2024 - Sep 2026 |
| Carmen Schmitt, Inc. | Kansas | 20,672 BBLs | 0 MCF | Jan 1980 - Jun 2026 |
| Carol-Holly Oil Corporation | Wyoming | 1,375 BBLs | 817 MCF | Jan 1984 - Sep 2026 |
| Casillas Petroleum Corp | Kansas | 12,527 BBLs | 228,281 MCF | Jan 2010 - Jun 2026 |
| Castex Energy, Inc. | Louisiana | 36,907 BBLs | 689,110 MCF | Jun 1988 - Jan 2025 |
| Castle Resources, Inc. | Kansas | 1,895 BBLs | 0 MCF | Jan 1980 - Jun 2026 |
| Cat Creek Holdings LLC | Montana | 1,468 BBLs | 0 MCF | Aug 2020 - Aug 2026 |
| Catamount Energy Partners LLC | Colorado | 0 BBLs | 627,348 MCF | Jan 1999 - Aug 2026 |
| Catamount Energy Partners LLC | New Mexico | 0 BBLs | 74,116 MCF | Aug 2014 - Sep 2026 |
| Cci Robinson'S Bend LLC | Alabama | 0 BBLs | 156,634 MCF | Jan 1990 - Aug 2026 |
| Cenergy Resources LLC | Wyoming | 5,794 BBLs | 40,790 MCF | Jul 2023 - Aug 2026 |
| Century Oil And Gas LLC | Wyoming | 2,640 BBLs | 16,022 MCF | Dec 2018 - Sep 2026 |
| Chaco Energy Company | Colorado | 1,417 BBLs | 2,400 MCF | Jan 1999 - Jul 2026 |
| Chaco Energy Company | Kansas | 1,210 BBLs | 288 MCF | Jan 1980 - Jun 2026 |
| Chaco Energy Company | Montana | 2,273 BBLs | 0 MCF | May 1996 - Jul 2026 |
| Chaco Energy Company | Wyoming | 3,322 BBLs | 40,131 MCF | Apr 1999 - Aug 2026 |
| Chadco, Inc. | Louisiana | 1,834 BBLs | 0 MCF | Dec 1989 - Dec 2024 |
| Challenger Point Energy, LLC | North Dakota | 2,837 BBLs | 8,335 MCF | Jan 2018 - Aug 2026 |
| Charles N. Griffin | Kansas | 9,767 BBLs | 5,677 MCF | Jan 2020 - Jun 2026 |
| Charter Energy, Inc. | Kansas | 5,331 BBLs | 0 MCF | Jan 1980 - Jun 2026 |
| Cherokee Wells LLC | Kansas | 328 BBLs | 48,028 MCF | Sep 1980 - Jun 2026 |
| Chesapeake Operating, L.L.C. | Louisiana | 0 BBLs | 49,721,168 MCF | Jun 2014 - Dec 2024 |
| Chevron Midcontinent, L.P. | New Mexico | 1,827 BBLs | 10,727 MCF | Apr 2006 - Aug 2026 |
| Chevron U S A Inc | New Mexico | 3,347,194 BBLs | 17,882,209 MCF | Jan 1993 - Aug 2026 |
| Chevron U.S.A. Inc. | Alabama | 0 BBLs | 49,709 MCF | Oct 1962 - Aug 2026 |
| Chevron USA Inc | Colorado | 750 BBLs | 241,358 MCF | Jan 1999 - Aug 2026 |
| Chi Operating Inc | New Mexico | 13,264 BBLs | 19,593 MCF | Jan 1993 - Sep 2026 |
| Chieftain Oil Co., Inc. | Kansas | 2,915 BBLs | 77,092 MCF | Jan 1980 - Jun 2026 |
| Chipcore LLC | Wyoming | 4,990 BBLs | 221 MCF | Sep 2012 - Sep 2026 |
| Chizum Oil, LLC | Kansas | 1,799 BBLs | 0 MCF | May 2018 - Jun 2026 |
| Cholla Production, LLC | Kansas | 1,493 BBLs | 0 MCF | Jan 1980 - Jun 2026 |
| Christian Oil Co Inc | Michigan | 2,245 BBLs | 0 MCF | Jul 1985 - Aug 2026 |
| Cimic Energy, LLC | Louisiana | 1,933 BBLs | 0 MCF | Jan 2011 - Jan 2025 |
| Citation Oil & Gas Corp | Colorado | 19,705 BBLs | 138,307 MCF | Jan 1999 - Aug 2026 |
| Citation Oil & Gas Corp | Utah | 18,309 BBLs | 13,339 MCF | Jan 1973 - Sep 2026 |
| Citation Oil & Gas Corp. | Kansas | 1,487 BBLs | 0 MCF | Jan 1980 - Jun 2026 |
| Citation Oil & Gas Corp. | Montana | 16,580 BBLs | 860 MCF | Jan 1991 - Aug 2026 |
| Citation Oil & Gas Corp. | North Dakota | 15,127 BBLs | 8,475 MCF | Oct 1996 - Aug 2026 |
| Citation Oil & Gas Corporation | Wyoming | 88,663 BBLs | 12,654 MCF | Jan 1981 - Sep 2026 |
| Civitas North LLC | Colorado | 15,854 BBLs | 58,586 MCF | Oct 2010 - Aug 2026 |
| Civitas Permian Operating, LLC | New Mexico | 1,204,808 BBLs | 4,501,956 MCF | Feb 2024 - Aug 2026 |
| CML Exploration, LLC | New Mexico | 4,699 BBLs | 9,737 MCF | Nov 2007 - Aug 2026 |
| CMX, Inc. | Kansas | 1,179 BBLs | 10,369 MCF | Jan 1980 - Jun 2026 |
| Cobalt Energy LLC | Kansas | 3,953 BBLs | 0 MCF | Mar 2012 - Jun 2026 |
| Cobra Oil & Gas Corporation | North Dakota | 80,869 BBLs | 37,018 MCF | Dec 2015 - Aug 2026 |
| Cobra Oil & Gas Corporation | Utah | 0 BBLs | 76,718 MCF | Aug 2015 - Sep 2026 |
| Cobra Oil And Gas Corporation | Michigan | 82 BBLs | 101,052 MCF | Jun 2015 - Sep 2026 |
| Cody Operating, Inc. | Mississippi | 1,884 BBLs | 36,915 MCF | Dec 1976 - Aug 2026 |
| COG Operating LLC | New Mexico | 3,715,982 BBLs | 14,859,899 MCF | Dec 2004 - Sep 2026 |
| COG Production, LLC | New Mexico | 514,258 BBLs | 2,708,026 MCF | Jul 2004 - Sep 2026 |