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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Catamount Energy Partners LLC | New Mexico | 0 BBLs | 89,978 MCF | Aug 2014 - Nov 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 | 3,282 BBLs | 119 MCF | Jan 2018 - Nov 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 | 2,551 BBLs | 10,991 MCF | Apr 2006 - Oct 2025 |
| Chevron U S A Inc | New Mexico | 2,539,255 BBLs | 13,680,182 MCF | Jan 1993 - Oct 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 | 12,794 BBLs | 26,294 MCF | Jan 1993 - Oct 2025 |
| Chieftain Oil Co., Inc. | Kansas | 2,228 BBLs | 85,126 MCF | Jan 1980 - Jun 2025 |
| Chipcore LLC | Wyoming | 6,234 BBLs | 1,036 MCF | Sep 2012 - Oct 2025 |
| Chisos, LTD | New Mexico | 932 BBLs | 5,273 MCF | Aug 2002 - 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 |
| Cimarex Energy Co. Of Colorado | New Mexico | 706,999 BBLs | 2,466,230 MCF | May 1997 - Oct 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 | 575 BBLs | 24,621 MCF | Jan 1993 - Nov 2025 |
| Citation Oil & Gas Corp | Utah | 16,931 BBLs | 10,433 MCF | Jan 1973 - Nov 2025 |
| Citation Oil & Gas Corp. | Kansas | 3,746 BBLs | 0 MCF | Jan 1980 - Jun 2025 |
| Citation Oil & Gas Corp. | Montana | 16,445 BBLs | 961 MCF | Jan 1991 - Oct 2025 |
| Citation Oil & Gas Corp. | North Dakota | 14,380 BBLs | 7,882 MCF | Oct 1996 - Oct 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 | 988,351 BBLs | 4,580,843 MCF | Feb 2024 - Oct 2025 |
| Clapp Oil LLC | Kansas | 1,294 BBLs | 0 MCF | Jan 2020 - Jun 2025 |
| CML Exploration, LLC | New Mexico | 4,841 BBLs | 9,951 MCF | Nov 2007 - Nov 2025 |
| CMX, Inc. | Kansas | 1,771 BBLs | 12,145 MCF | Jan 1980 - Jun 2025 |
| Coastal Plains Energy Inc | Utah | 0 BBLs | 25,984 MCF | Jun 2002 - Nov 2025 |
| Cobalt Energy LLC | Kansas | 5,116 BBLs | 0 MCF | Mar 2012 - Jun 2025 |
| Cobra Oil & Gas Corp | Utah | 1 BBLs | 113,569 MCF | Aug 2015 - Nov 2025 |
| Cobra Oil & Gas Corporation | North Dakota | 88,319 BBLs | 39,332 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 | 103,304 MCF | Jun 2015 - Nov 2025 |
| COG Operating LLC | New Mexico | 3,681,828 BBLs | 15,116,653 MCF | Dec 2004 - Oct 2025 |
| COG Production, LLC | New Mexico | 388,935 BBLs | 1,899,642 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 |
| Comstock Oil & Gas--La, LLC | Louisiana | 690 BBLs | 39,125,046 MCF | Apr 2005 - Dec 2024 |
| Conocophillips Alaska, Inc. | Alaska | 4,111,143 BBLs | 10,555,347 MCF | Dec 1963 - Nov 2025 |
| Conocophillips Company | New Mexico | 713,300 BBLs | 3,036,684 MCF | Jan 2003 - Oct 2025 |
| Contango Resources LLC | Wyoming | 394,750 BBLs | 7,363,818 MCF | Feb 2020 - Nov 2025 |
| Contango Resources, Inc. | Montana | 5,969 BBLs | 5,690 MCF | Dec 2020 - Nov 2025 |