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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 | 2,095 BBLs | 0 MCF | Jan 1980 - Dec 2024 |
| Catamount Energy Partners LLC | Colorado | 0 BBLs | 1,134,057 MCF | Jun 2014 - Feb 2025 |
| Catamount Energy Partners LLC | New Mexico | 0 BBLs | 103,341 MCF | Aug 2014 - Feb 2025 |
| Caza Operating, LLC | New Mexico | 234,326 BBLs | 716,235 MCF | Jun 2008 - Jan 2025 |
| Cci Robinson'S Bend LLC | Alabama | 0 BBLs | 173,646 MCF | Jan 1990 - Dec 2024 |
| Century Oil And Gas LLC | Wyoming | 1,520 BBLs | 13,863 MCF | Dec 2018 - Feb 2025 |
| Chaco Energy Company | Colorado | 1,213 BBLs | 3,991 MCF | Jul 2003 - Jan 2025 |
| Chaco Energy Company | Wyoming | 2,470 BBLs | 41,188 MCF | Apr 1999 - Jan 2025 |
| Chadco, Inc. | Louisiana | 1,834 BBLs | 0 MCF | Dec 1989 - Dec 2024 |
| Challenger Point Energy, LLC | North Dakota | 2,238 BBLs | 13,732 MCF | Jan 2018 - Feb 2025 |
| Charter Energy, Inc. | Kansas | 5,045 BBLs | 0 MCF | Jan 1980 - Dec 2024 |
| Cherokee Wells LLC | Kansas | 314 BBLs | 49,370 MCF | Sep 1980 - Dec 2024 |
| Chesapeake Operating, L.L.C. | Louisiana | 0 BBLs | 49,721,168 MCF | Jun 2014 - Dec 2024 |
| Chevron Midcontinent, L.P. | New Mexico | 3,744 BBLs | 13,519 MCF | Apr 2006 - Jan 2025 |
| Chevron U S A Inc | New Mexico | 2,864,186 BBLs | 13,120,382 MCF | Jan 1993 - Feb 2025 |
| Chevron U.S.A. Inc. | Alabama | 0 BBLs | 55,163 MCF | Oct 1962 - Dec 2024 |
| Chevron USA Inc | Colorado | 814 BBLs | 286,485 MCF | Jan 1999 - Jan 2025 |
| Chi Operating Inc | New Mexico | 13,431 BBLs | 14,569 MCF | Jan 1993 - Jan 2025 |
| Chieftain Oil Co., Inc. | Kansas | 2,655 BBLs | 88,714 MCF | Jan 1980 - Dec 2024 |
| Chipcore LLC | Wyoming | 3,951 BBLs | 1,363 MCF | Sep 2012 - Feb 2025 |
| Chizum Oil, LLC | Kansas | 1,951 BBLs | 0 MCF | May 2018 - Dec 2024 |
| Cholla Production, LLC | Kansas | 1,969 BBLs | 0 MCF | Jan 1980 - Dec 2024 |
| Chris Batchman Inc. | Kansas | 1,840 BBLs | 0 MCF | Jan 2010 - Dec 2024 |
| Christian Oil Co Inc | Michigan | 2,166 BBLs | 0 MCF | Jul 1985 - Dec 2024 |
| Cimarex Energy Co. Of Colorado | New Mexico | 450,784 BBLs | 2,008,377 MCF | May 1997 - Jan 2025 |
| Cimic Energy, LLC | Louisiana | 1,933 BBLs | 0 MCF | Jan 2011 - Jan 2025 |
| Citation Oil & Gas Corp | Colorado | 21,764 BBLs | 150,227 MCF | Jan 2005 - Feb 2025 |
| Citation Oil & Gas Corp | New Mexico | 219 BBLs | 20,528 MCF | Jan 1993 - Feb 2025 |
| Citation Oil & Gas Corp | Utah | 18,588 BBLs | 9,933 MCF | Jan 1973 - Feb 2025 |
| Citation Oil & Gas Corp. | Kansas | 21,883 BBLs | 0 MCF | Jan 1980 - Dec 2024 |
| Citation Oil & Gas Corp. | Montana | 18,131 BBLs | 817 MCF | Jan 1991 - Jan 2025 |
| Citation Oil & Gas Corp. | North Dakota | 14,557 BBLs | 8,424 MCF | Oct 1996 - Feb 2025 |
| Citation Oil & Gas Corporation | Wyoming | 97,663 BBLs | 12,706 MCF | Jan 1981 - Feb 2025 |
| Civitas North LLC | Colorado | 235,900 BBLs | 890,678 MCF | Apr 2017 - Jan 2025 |
| Civitas Permian Operating, LLC | New Mexico | 904,951 BBLs | 4,962,224 MCF | Feb 2024 - Jan 2025 |
| CML Exploration, LLC | New Mexico | 5,161 BBLs | 10,013 MCF | Nov 2007 - Feb 2025 |
| CMX, Inc. | Kansas | 2,102 BBLs | 11,849 MCF | Jan 1980 - Dec 2024 |
| Coastal Plains Energy Inc | Utah | 0 BBLs | 26,286 MCF | Jun 2002 - Feb 2025 |
| Cobalt Energy LLC | Kansas | 4,204 BBLs | 0 MCF | Mar 2012 - Dec 2024 |
| Cobra Oil & Gas Corp | Utah | 1 BBLs | 94,719 MCF | Aug 2015 - Feb 2025 |
| Cobra Oil & Gas Corporation | North Dakota | 79,661 BBLs | 35,652 MCF | Dec 2015 - Feb 2025 |
| Cobra Oil & Gas Corporation | Wyoming | 0 BBLs | 29,748 MCF | Jan 1978 - Feb 2025 |
| Cobra Oil And Gas Corporation | Michigan | 70 BBLs | 92,153 MCF | Jun 2015 - Jan 2025 |
| COG Operating LLC | New Mexico | 3,099,093 BBLs | 13,842,004 MCF | Dec 2004 - Jan 2025 |
| COG Production, LLC | New Mexico | 377,197 BBLs | 2,217,344 MCF | Jul 2004 - Jan 2025 |
| Colt Energy Inc | Kansas | 16,231 BBLs | 50,391 MCF | Jan 1980 - Dec 2024 |
| 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 | 4,276,591 BBLs | 8,950,984 MCF | Dec 1963 - Feb 2025 |