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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 | 1,397 BBLs | 0 MCF | Jan 1980 - Feb 2025 |
| Catamount Energy Partners LLC | Colorado | 0 BBLs | 1,031,896 MCF | Jun 2014 - Apr 2025 |
| Catamount Energy Partners LLC | New Mexico | 0 BBLs | 98,844 MCF | Aug 2014 - Apr 2025 |
| Caza Operating, LLC | New Mexico | 227,438 BBLs | 726,630 MCF | Jun 2008 - Mar 2025 |
| Cci Robinson'S Bend LLC | Alabama | 0 BBLs | 152,650 MCF | Jan 1990 - Mar 2025 |
| Century Oil And Gas LLC | Wyoming | 2,671 BBLs | 13,111 MCF | Dec 2018 - Apr 2025 |
| Chaco Energy Company | Colorado | 1,738 BBLs | 3,753 MCF | Jul 2003 - Mar 2025 |
| Chadco, Inc. | Louisiana | 1,834 BBLs | 0 MCF | Dec 1989 - Dec 2024 |
| Challenger Point Energy, LLC | North Dakota | 3,835 BBLs | 3,986 MCF | Jan 2018 - Apr 2025 |
| Charter Energy, Inc. | Kansas | 5,176 BBLs | 0 MCF | Jan 1980 - Feb 2025 |
| Cherokee Wells LLC | Kansas | 314 BBLs | 50,279 MCF | Sep 1980 - Feb 2025 |
| Chesapeake Operating, L.L.C. | Louisiana | 0 BBLs | 49,721,168 MCF | Jun 2014 - Dec 2024 |
| Chevron Midcontinent, L.P. | New Mexico | 3,672 BBLs | 9,224 MCF | Apr 2006 - Mar 2025 |
| Chevron U S A Inc | New Mexico | 3,442,950 BBLs | 14,101,055 MCF | Jan 1993 - Apr 2025 |
| Chevron U.S.A. Inc. | Alabama | 0 BBLs | 48,718 MCF | Oct 1962 - Mar 2025 |
| Chevron USA Inc | Colorado | 695 BBLs | 288,542 MCF | Jan 1999 - Mar 2025 |
| Chi Operating Inc | New Mexico | 11,820 BBLs | 15,864 MCF | Jan 1993 - Mar 2025 |
| Chieftain Oil Co., Inc. | Kansas | 1,296 BBLs | 73,878 MCF | Jan 1980 - Feb 2025 |
| Chipcore LLC | Wyoming | 3,635 BBLs | 1,492 MCF | Sep 2012 - Apr 2025 |
| Chizum Oil, LLC | Kansas | 2,753 BBLs | 0 MCF | May 2018 - Feb 2025 |
| Cholla Production, LLC | Kansas | 1,937 BBLs | 0 MCF | Jan 1980 - Feb 2025 |
| Chris Batchman Inc. | Kansas | 1,558 BBLs | 0 MCF | Jan 2010 - Feb 2025 |
| Christian Oil Co Inc | Michigan | 1,975 BBLs | 0 MCF | Jul 1985 - Mar 2025 |
| Cimarex Energy Co. Of Colorado | New Mexico | 418,196 BBLs | 2,064,070 MCF | May 1997 - Mar 2025 |
| Cimic Energy, LLC | Louisiana | 1,933 BBLs | 0 MCF | Jan 2011 - Jan 2025 |
| Citation Oil & Gas Corp | Colorado | 21,344 BBLs | 164,227 MCF | Jan 2005 - Apr 2025 |
| Citation Oil & Gas Corp | New Mexico | 539 BBLs | 28,197 MCF | Jan 1993 - Apr 2025 |
| Citation Oil & Gas Corp | Utah | 19,358 BBLs | 13,469 MCF | Jan 1973 - Apr 2025 |
| Citation Oil & Gas Corp. | Kansas | 23,456 BBLs | 0 MCF | Jan 1980 - Feb 2025 |
| Citation Oil & Gas Corp. | Montana | 16,379 BBLs | 960 MCF | Jan 1991 - Mar 2025 |
| Citation Oil & Gas Corp. | North Dakota | 17,151 BBLs | 8,645 MCF | Oct 1996 - Apr 2025 |
| Citation Oil & Gas Corporation | Wyoming | 94,598 BBLs | 14,661 MCF | Jan 1981 - Apr 2025 |
| Civitas North LLC | Colorado | 215,291 BBLs | 886,029 MCF | Apr 2017 - Mar 2025 |
| Civitas Permian Operating, LLC | New Mexico | 862,058 BBLs | 4,663,601 MCF | Feb 2024 - Mar 2025 |
| CML Exploration, LLC | New Mexico | 4,993 BBLs | 9,505 MCF | Nov 2007 - Apr 2025 |
| CMX, Inc. | Kansas | 1,621 BBLs | 10,975 MCF | Jan 1980 - Feb 2025 |
| Coastal Plains Energy Inc | Utah | 0 BBLs | 28,243 MCF | Jun 2002 - Apr 2025 |
| Cobalt Energy LLC | Kansas | 5,309 BBLs | 0 MCF | Mar 2012 - Feb 2025 |
| Cobra Oil & Gas Corp | Utah | 0 BBLs | 98,026 MCF | Aug 2015 - Apr 2025 |
| Cobra Oil & Gas Corporation | North Dakota | 87,061 BBLs | 38,968 MCF | Dec 2015 - Apr 2025 |
| Cobra Oil & Gas Corporation | Wyoming | 164 BBLs | 28,213 MCF | Jan 1978 - Apr 2025 |
| Cobra Oil And Gas Corporation | Michigan | 80 BBLs | 101,828 MCF | Jun 2015 - Apr 2025 |
| COG Operating LLC | New Mexico | 3,213,424 BBLs | 14,419,420 MCF | Dec 2004 - Apr 2025 |
| COG Production, LLC | New Mexico | 379,379 BBLs | 2,505,458 MCF | Jul 2004 - Apr 2025 |
| Colt Energy Inc | Kansas | 15,530 BBLs | 49,407 MCF | Jan 1980 - Feb 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 | 4,105,756 BBLs | 8,965,488 MCF | Dec 1963 - Apr 2025 |
| Conocophillips Company | New Mexico | 553,368 BBLs | 2,235,333 MCF | Jan 2003 - Apr 2025 |