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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Castor Production, L.L.C. | Louisiana | 1,132 BBLs | 0 MCF | Apr 2013 - Dec 2024 |
| Cat Creek Holdings LLC | Montana | 1,233 BBLs | 0 MCF | Aug 2020 - Apr 2025 |
| Catamount Energy Partners LLC | Colorado | 0 BBLs | 1,105,640 MCF | Jun 2014 - May 2025 |
| Catamount Energy Partners LLC | New Mexico | 0 BBLs | 67,823 MCF | Aug 2014 - May 2025 |
| Caza Operating, LLC | New Mexico | 200,308 BBLs | 668,439 MCF | Jun 2008 - Apr 2025 |
| Cci Robinson'S Bend LLC | Alabama | 0 BBLs | 152,650 MCF | Jan 1990 - Mar 2025 |
| Century Oil And Gas LLC | Wyoming | 2,320 BBLs | 9,877 MCF | Dec 2018 - Apr 2025 |
| Chaco Energy Company | Colorado | 1,675 BBLs | 2,010 MCF | Jul 2003 - Apr 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 |
| Charles P Dunning LLC | Colorado | 1,115 BBLs | 371 MCF | Feb 2010 - 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 | 3,724 BBLs | 9,594 MCF | Apr 2006 - Apr 2025 |
| Chevron U S A Inc | New Mexico | 2,931,346 BBLs | 12,254,751 MCF | Jan 1993 - May 2025 |
| Chevron U.S.A. Inc. | Alabama | 0 BBLs | 48,718 MCF | Oct 1962 - Mar 2025 |
| Chevron USA Inc | Colorado | 801 BBLs | 278,451 MCF | Jan 1999 - Apr 2025 |
| Chi Operating Inc | New Mexico | 12,539 BBLs | 15,465 MCF | Jan 1993 - Apr 2025 |
| Chieftain Oil Co., Inc. | Kansas | 1,296 BBLs | 73,878 MCF | Jan 1980 - Feb 2025 |
| Chipcore LLC | Wyoming | 4,709 BBLs | 1,423 MCF | Sep 2012 - Apr 2025 |
| Chisos, LTD | New Mexico | 851 BBLs | 6,010 MCF | Aug 2002 - 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 |
| Cimarex Energy Co. Of Colorado | New Mexico | 369,273 BBLs | 1,888,223 MCF | May 1997 - Apr 2025 |
| Cimic Energy, LLC | Louisiana | 1,933 BBLs | 0 MCF | Jan 2011 - Jan 2025 |
| Citation Oil & Gas Corp | Colorado | 21,192 BBLs | 168,966 MCF | Jan 2005 - Apr 2025 |
| Citation Oil & Gas Corp | New Mexico | 383 BBLs | 22,531 MCF | Jan 1993 - Apr 2025 |
| Citation Oil & Gas Corp | Utah | 18,163 BBLs | 12,116 MCF | Jan 1973 - Apr 2025 |
| Citation Oil & Gas Corp. | Kansas | 23,456 BBLs | 0 MCF | Jan 1980 - Feb 2025 |
| Citation Oil & Gas Corp. | Montana | 17,231 BBLs | 991 MCF | Jan 1991 - Apr 2025 |
| Citation Oil & Gas Corp. | North Dakota | 17,151 BBLs | 8,645 MCF | Oct 1996 - Apr 2025 |
| Citation Oil & Gas Corporation | Wyoming | 92,300 BBLs | 14,269 MCF | Jan 1981 - Apr 2025 |
| Civitas North LLC | Colorado | 188,310 BBLs | 805,109 MCF | Apr 2017 - Apr 2025 |
| Civitas Permian Operating, LLC | New Mexico | 819,120 BBLs | 4,578,694 MCF | Feb 2024 - Apr 2025 |
| CML Exploration, LLC | New Mexico | 4,995 BBLs | 9,326 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 | 28,024 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 | 99,634 MCF | Aug 2015 - Apr 2025 |
| Cobra Oil & Gas Corporation | North Dakota | 87,991 BBLs | 38,968 MCF | Dec 2015 - Apr 2025 |
| Cobra Oil & Gas Corporation | Wyoming | 271 BBLs | 30,805 MCF | Jan 1978 - May 2025 |
| Cobra Oil And Gas Corporation | Michigan | 7 BBLs | 99,314 MCF | Jun 2015 - Apr 2025 |
| COG Operating LLC | New Mexico | 2,851,453 BBLs | 12,834,176 MCF | Dec 2004 - Apr 2025 |
| COG Production, LLC | New Mexico | 339,944 BBLs | 2,300,188 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 | 4,097,893 BBLs | 9,009,864 MCF | Dec 1963 - May 2025 |