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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Castle Resources, Inc. | Kansas | 3,524 BBLs | 0 MCF | Jan 1980 - Jun 2024 |
| Catamount Energy Partners LLC | Colorado | 0 BBLs | 1,284,410 MCF | Jun 2014 - Aug 2024 |
| Catamount Energy Partners LLC | New Mexico | 0 BBLs | 91,761 MCF | Aug 2014 - Aug 2024 |
| Caza Operating, LLC | New Mexico | 99,376 BBLs | 337,770 MCF | Jun 2008 - Jul 2024 |
| Cci Robinson'S Bend LLC | Alabama | 0 BBLs | 187,189 MCF | Jan 1990 - Jun 2024 |
| CCRP Operating Inc | Colorado | 5,236 BBLs | 10,115 MCF | Apr 2018 - Jul 2024 |
| CCRP Operating Inc | Wyoming | 1,387 BBLs | 2,642 MCF | Jan 2018 - Aug 2024 |
| Century Oil And Gas LLC | Wyoming | 2,668 BBLs | 12,962 MCF | Dec 2018 - Aug 2024 |
| Chaco Energy Company | Colorado | 1,311 BBLs | 4,608 MCF | Jul 2003 - Jul 2024 |
| Chaco Energy Company | Wyoming | 2,783 BBLs | 54,581 MCF | Apr 1999 - Jul 2024 |
| Chadco, Inc. | Louisiana | 1,949 BBLs | 0 MCF | Dec 1989 - Jun 2024 |
| Challenger Point Energy, LLC | North Dakota | 2,990 BBLs | 17,725 MCF | Jan 2018 - Aug 2024 |
| Charter Energy, Inc. | Kansas | 5,610 BBLs | 0 MCF | Jan 1980 - Jun 2024 |
| Cherokee Wells LLC | Kansas | 315 BBLs | 51,877 MCF | Sep 1980 - Jun 2024 |
| Chesapeake Operating, L.L.C. | Louisiana | 0 BBLs | 46,112,362 MCF | Jun 2014 - Jun 2024 |
| Chevron Midcontinent, L.P. | New Mexico | 3,431 BBLs | 10,010 MCF | Apr 2006 - Jul 2024 |
| Chevron U S A Inc | New Mexico | 2,253,404 BBLs | 9,955,330 MCF | Jan 1993 - Jul 2024 |
| Chevron U.S.A. Inc. | Alabama | 0 BBLs | 56,230 MCF | Oct 1962 - Jun 2024 |
| Chevron USA Inc | Colorado | 813 BBLs | 318,651 MCF | Jan 1999 - Aug 2024 |
| Chi Operating Inc | New Mexico | 13,967 BBLs | 25,261 MCF | Jan 1993 - Jul 2024 |
| Chieftain Oil Co., Inc. | Kansas | 1,861 BBLs | 93,380 MCF | Jan 1980 - Jun 2024 |
| Chipcore LLC | Wyoming | 4,217 BBLs | 1,689 MCF | Sep 2012 - Aug 2024 |
| Chizum Oil, LLC | Kansas | 3,561 BBLs | 0 MCF | May 2018 - Jun 2024 |
| Cholla Production, LLC | Kansas | 2,417 BBLs | 0 MCF | Jan 1980 - Jun 2024 |
| Christian Oil Co Inc | Michigan | 2,167 BBLs | 0 MCF | Jul 1985 - Jul 2024 |
| Cibco Resources, LLC | Louisiana | 8,706 BBLs | 48,047 MCF | Jan 2023 - Jun 2024 |
| Cimarex Energy Co. | New Mexico | 1,478,014 BBLs | 5,945,959 MCF | Oct 2002 - Jul 2024 |
| Cimarex Energy Co. Of Colorado | New Mexico | 337,085 BBLs | 1,324,261 MCF | May 1997 - Jul 2024 |
| Cimic Energy, LLC | Louisiana | 2,179 BBLs | 0 MCF | Jan 2011 - Jun 2024 |
| Citation Oil & Gas Corp | Colorado | 22,144 BBLs | 252,401 MCF | Jan 2005 - Aug 2024 |
| Citation Oil & Gas Corp | New Mexico | 516 BBLs | 28,677 MCF | Jan 1993 - Aug 2024 |
| Citation Oil & Gas Corp | Utah | 14,318 BBLs | 8,816 MCF | Jan 1973 - Aug 2024 |
| Citation Oil & Gas Corp. | Kansas | 23,214 BBLs | 0 MCF | Jan 1980 - Jun 2024 |
| Citation Oil & Gas Corp. | Montana | 15,544 BBLs | 2,049 MCF | Jan 1991 - Jul 2024 |
| Citation Oil & Gas Corp. | North Dakota | 17,060 BBLs | 7,650 MCF | Oct 1996 - Aug 2024 |
| Citation Oil & Gas Corporation | Wyoming | 98,603 BBLs | 13,855 MCF | Jan 1981 - Aug 2024 |
| Civitas North LLC | Colorado | 268,221 BBLs | 953,346 MCF | Apr 2017 - Jul 2024 |
| Civitas Permian Operating, LLC | New Mexico | 1,132,886 BBLs | 5,464,733 MCF | Feb 2024 - Jul 2024 |
| CML Exploration, LLC | New Mexico | 5,335 BBLs | 10,988 MCF | Nov 2007 - Aug 2024 |
| CMX, Inc. | Kansas | 2,871 BBLs | 12,056 MCF | Jan 1980 - Jun 2024 |
| Cobalt Energy LLC | Kansas | 5,938 BBLs | 0 MCF | Mar 2012 - Jun 2024 |
| Cobra Oil & Gas Corp | Utah | 0 BBLs | 87,071 MCF | Aug 2015 - Aug 2024 |
| Cobra Oil & Gas Corporation | North Dakota | 99,053 BBLs | 54,867 MCF | Dec 2015 - Aug 2024 |
| Cobra Oil And Gas Corporation | Michigan | 79 BBLs | 92,583 MCF | Jun 2015 - Aug 2024 |
| COG Operating LLC | New Mexico | 3,376,978 BBLs | 11,505,885 MCF | Dec 2004 - Aug 2024 |
| COG Production, LLC | New Mexico | 623,689 BBLs | 2,738,148 MCF | Jul 2004 - Aug 2024 |
| Colt Energy Inc | Kansas | 16,952 BBLs | 47,861 MCF | Jan 1980 - Jun 2024 |
| Compass Energy Operating, LLC | Louisiana | 176 BBLs | 888,833 MCF | Jul 2014 - Jun 2024 |
| Comstock Oil & Gas--La, LLC | Louisiana | 657 BBLs | 41,319,808 MCF | Apr 2005 - Jun 2024 |
| Conocophillips Alaska, Inc. | Alaska | 3,730,279 BBLs | 7,869,572 MCF | Dec 1963 - Aug 2024 |