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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| 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 | 1,600 BBLs | 2,330 MCF | Jan 1999 - May 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 | 2,393 BBLs | 5,622 MCF | Jan 2018 - Jun 2026 |
| Charles N. Griffin | Kansas | 9,452 BBLs | 6,116 MCF | Jan 2020 - May 2026 |
| Charter Energy, Inc. | Kansas | 5,383 BBLs | 0 MCF | Jan 1980 - May 2026 |
| Chelin LLC | Montana | 1,037 BBLs | 593 MCF | Aug 2014 - Jun 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 | 1,185 BBLs | 9,787 MCF | Apr 2006 - Jun 2026 |
| Chevron U S A Inc | New Mexico | 3,046,668 BBLs | 15,685,430 MCF | Jan 1993 - Jun 2026 |
| Chevron U.S.A. Inc. | Alabama | 0 BBLs | 51,849 MCF | Oct 1962 - Jun 2026 |
| Chevron USA Inc | Colorado | 768 BBLs | 251,569 MCF | Jan 1999 - May 2026 |
| Chi Operating Inc | New Mexico | 9,835 BBLs | 23,532 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 |
| Christian Oil Co Inc | Michigan | 2,262 BBLs | 0 MCF | Jul 1985 - Jun 2026 |
| Cimic Energy, LLC | Louisiana | 1,933 BBLs | 0 MCF | Jan 2011 - Jan 2025 |
| Citation Oil & Gas Corp | Colorado | 19,427 BBLs | 140,907 MCF | Jan 1999 - May 2026 |
| Citation Oil & Gas Corp | New Mexico | 438 BBLs | 24,468 MCF | Jan 1993 - Jul 2026 |
| Citation Oil & Gas Corp | Utah | 17,762 BBLs | 12,174 MCF | Jan 1973 - Jul 2026 |
| Citation Oil & Gas Corp. | North Dakota | 15,365 BBLs | 7,824 MCF | Oct 1996 - Jun 2026 |
| Citation Oil & Gas Corporation | Wyoming | 85,835 BBLs | 13,634 MCF | Jan 1981 - Jul 2026 |
| Civitas North LLC | Colorado | 17,652 BBLs | 69,215 MCF | Oct 2010 - May 2026 |
| CML Exploration, LLC | New Mexico | 4,209 BBLs | 8,887 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 | 84,936 BBLs | 40,369 MCF | Dec 2015 - Jun 2026 |
| Cobra Oil & Gas Corporation | Utah | 5 BBLs | 76,576 MCF | Aug 2015 - Jul 2026 |
| Cobra Oil & Gas Corporation | Wyoming | 149 BBLs | 30,434 MCF | Jan 1978 - Jul 2026 |
| Cobra Oil And Gas Corporation | Michigan | 130 BBLs | 100,687 MCF | Jun 2015 - Jul 2026 |
| COG Operating LLC | New Mexico | 3,243,321 BBLs | 13,588,201 MCF | Dec 2004 - Jul 2026 |
| COG Production, LLC | New Mexico | 596,474 BBLs | 2,792,525 MCF | Jul 2004 - Jul 2026 |
| Colt Energy Inc | Kansas | 15,769 BBLs | 43,268 MCF | Jan 1980 - May 2026 |
| Compass Energy Operating, LLC | Louisiana | 138 BBLs | 869,300 MCF | Jul 2014 - Jan 2025 |
| Compass Exploration LLC | Kansas | 1,614 BBLs | 0 MCF | Jan 2020 - May 2026 |
| Comstock Oil & Gas--La, LLC | Louisiana | 690 BBLs | 39,125,046 MCF | Apr 2005 - Dec 2024 |
| Conocophillips Alaska, Inc. | Alaska | 3,652,782 BBLs | 10,204,933 MCF | Dec 1963 - Feb 2026 |
| Conocophillips Company | New Mexico | 923,534 BBLs | 3,245,235 MCF | Jan 2003 - Jul 2026 |
| Contango Resources LLC | Wyoming | 343,335 BBLs | 10,327,234 MCF | Feb 2020 - Jul 2026 |
| Contango Resources, Inc. | Montana | 17,044 BBLs | 70,810 MCF | Dec 2020 - Jun 2026 |
| Continental Resources Inc | Montana | 99,167 BBLs | 206,079 MCF | Jan 1991 - Jun 2026 |
| Continental Resources Inc | Wyoming | 1,014,209 BBLs | 3,043,714 MCF | Jan 1993 - Jul 2026 |
| Continental Resources, Inc. | North Dakota | 4,133,588 BBLs | 19,010,993 MCF | Sep 1978 - Jun 2026 |
| Cook Inlet Energy, LLC. | Alaska | 80,432 BBLs | 38,413 MCF | Dec 2009 - Feb 2026 |