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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Carmen Schmitt, Inc. | Kansas | 18,777 BBLs | 0 MCF | Jan 1980 - May 2026 |
| Carol-Holly Oil Corporation | Wyoming | 1,510 BBLs | 770 MCF | Jan 1984 - Jul 2026 |
| Casebeer, Inc. | Kansas | 930 BBLs | 0 MCF | Jan 1980 - May 2026 |
| Casillas Petroleum Corp | Kansas | 13,804 BBLs | 243,371 MCF | Jan 2010 - May 2026 |
| Castex Energy, Inc. | Louisiana | 36,907 BBLs | 689,110 MCF | Jun 1988 - Jan 2025 |
| Castle Resources, Inc. | Kansas | 1,738 BBLs | 0 MCF | Jan 1980 - May 2026 |
| Castor Production, L.L.C. | Louisiana | 1,132 BBLs | 0 MCF | Apr 2013 - Dec 2024 |
| Cat Creek Holdings LLC | Montana | 1,468 BBLs | 0 MCF | Aug 2020 - Jul 2026 |
| Catamount Energy Partners LLC | Colorado | 0 BBLs | 753,938 MCF | Jan 1999 - Jul 2026 |
| Catamount Energy Partners LLC | New Mexico | 0 BBLs | 78,156 MCF | Aug 2014 - Jul 2026 |
| Cci Robinson'S Bend LLC | Alabama | 0 BBLs | 157,680 MCF | Jan 1990 - Jun 2026 |
| Cenergy Resources LLC | Wyoming | 6,159 BBLs | 44,810 MCF | Jul 2023 - Jul 2026 |
| Century Oil And Gas LLC | Wyoming | 2,575 BBLs | 14,118 MCF | Dec 2018 - Jul 2026 |
| Chaco Energy Company | Colorado | 1,513 BBLs | 2,792 MCF | Jan 1999 - Jul 2026 |
| Chaco Energy Company | Montana | 2,273 BBLs | 0 MCF | May 1996 - Jul 2026 |
| Chaco Energy Company | Wyoming | 2,885 BBLs | 37,156 MCF | Apr 1999 - Jun 2026 |
| Chadco, Inc. | Louisiana | 1,834 BBLs | 0 MCF | Dec 1989 - Dec 2024 |
| Challenger Point Energy, LLC | North Dakota | 2,225 BBLs | 6,402 MCF | Jan 2018 - Jul 2026 |
| Charles N. Griffin | Kansas | 9,452 BBLs | 6,116 MCF | Jan 2020 - May 2026 |
| Charles P Dunning LLC | Colorado | 989 BBLs | 0 MCF | Jan 1999 - Jul 2026 |
| Charter Energy, Inc. | Kansas | 5,383 BBLs | 0 MCF | Jan 1980 - May 2026 |
| Cherokee Wells LLC | Kansas | 315 BBLs | 45,608 MCF | Sep 1980 - May 2026 |
| Chesapeake Operating, L.L.C. | Louisiana | 0 BBLs | 49,721,168 MCF | Jun 2014 - Dec 2024 |
| Chevron Midcontinent, L.P. | New Mexico | 1,357 BBLs | 11,864 MCF | Apr 2006 - Jul 2026 |
| Chevron U S A Inc | New Mexico | 3,113,696 BBLs | 17,086,521 MCF | Jan 1993 - Jul 2026 |
| Chevron U.S.A. Inc. | Alabama | 0 BBLs | 51,849 MCF | Oct 1962 - Jun 2026 |
| Chevron USA Inc | Colorado | 487 BBLs | 245,662 MCF | Jan 1999 - Jul 2026 |
| Chi Operating Inc | New Mexico | 12,476 BBLs | 22,895 MCF | Jan 1993 - Jul 2026 |
| Chieftain Oil Co., Inc. | Kansas | 2,968 BBLs | 74,976 MCF | Jan 1980 - May 2026 |
| Chipcore LLC | Wyoming | 4,685 BBLs | 206 MCF | Sep 2012 - Jul 2026 |
| Chizum Oil, LLC | Kansas | 1,789 BBLs | 0 MCF | May 2018 - May 2026 |
| Cholla Production, LLC | Kansas | 1,781 BBLs | 0 MCF | Jan 1980 - May 2026 |
| Chris Batchman Inc. | Kansas | 1,167 BBLs | 0 MCF | Jan 2010 - May 2026 |
| Cimic Energy, LLC | Louisiana | 1,933 BBLs | 0 MCF | Jan 2011 - Jan 2025 |
| Citation Oil & Gas Corp | Colorado | 20,146 BBLs | 152,375 MCF | Jan 1999 - Jul 2026 |
| Citation Oil & Gas Corp | Utah | 17,215 BBLs | 14,477 MCF | Jan 1973 - Aug 2026 |
| Citation Oil & Gas Corp. | Kansas | 989 BBLs | 0 MCF | Jan 1980 - May 2026 |
| Citation Oil & Gas Corp. | Montana | 16,580 BBLs | 860 MCF | Jan 1991 - Jul 2026 |
| Citation Oil & Gas Corp. | North Dakota | 12,855 BBLs | 7,622 MCF | Oct 1996 - Jul 2026 |
| Citation Oil & Gas Corporation | Wyoming | 85,835 BBLs | 13,634 MCF | Jan 1981 - Jul 2026 |
| Civitas North LLC | Colorado | 14,725 BBLs | 51,504 MCF | Oct 2010 - Jul 2026 |
| Civitas Permian Operating, LLC | New Mexico | 991,017 BBLs | 4,221,003 MCF | Feb 2024 - Jul 2026 |
| CML Exploration, LLC | New Mexico | 4,389 BBLs | 8,900 MCF | Nov 2007 - Jul 2026 |
| CMX, Inc. | Kansas | 1,132 BBLs | 10,381 MCF | Jan 1980 - May 2026 |
| Cobalt Energy LLC | Kansas | 4,002 BBLs | 0 MCF | Mar 2012 - May 2026 |
| Cobra Oil & Gas Corporation | North Dakota | 81,675 BBLs | 38,837 MCF | Dec 2015 - Jul 2026 |
| Cobra Oil & Gas Corporation | Utah | 0 BBLs | 79,160 MCF | Aug 2015 - Jul 2026 |
| Cobra Oil & Gas Corporation | Wyoming | 149 BBLs | 30,434 MCF | Jan 1978 - Jul 2026 |
| COG Operating LLC | New Mexico | 3,635,622 BBLs | 14,871,393 MCF | Dec 2004 - Jul 2026 |
| COG Production, LLC | New Mexico | 546,087 BBLs | 2,782,539 MCF | Jul 2004 - Jul 2026 |