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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Castle Resources, Inc. | Kansas | 2,830 BBLs | 0 MCF | Jan 1980 - Dec 2023 |
| Catamount Energy Partners LLC | Colorado | 0 BBLs | 1,317,881 MCF | Jun 2014 - Feb 2024 |
| Catamount Energy Partners LLC | New Mexico | 0 BBLs | 99,442 MCF | Aug 2014 - Feb 2024 |
| Caza Operating, LLC | New Mexico | 109,355 BBLs | 347,372 MCF | Jun 2008 - Jan 2024 |
| Cci Robinson'S Bend LLC | Alabama | 0 BBLs | 204,037 MCF | Jan 1990 - Nov 2023 |
| CCRP Operating Inc | Colorado | 6,815 BBLs | 11,891 MCF | Apr 2018 - Feb 2024 |
| CCRP Operating Inc | Wyoming | 1,818 BBLs | 3,005 MCF | Jan 2018 - Feb 2024 |
| Century Oil And Gas LLC | Wyoming | 1,052 BBLs | 8,129 MCF | Dec 2018 - Feb 2024 |
| Chaco Energy Company | Colorado | 1,429 BBLs | 5,317 MCF | Jul 2003 - Feb 2024 |
| Chaco Energy Company | Wyoming | 2,310 BBLs | 39,245 MCF | Apr 1999 - Jan 2024 |
| Chadco, Inc. | Louisiana | 2,047 BBLs | 0 MCF | Dec 1989 - Jan 2024 |
| Challenger Point Energy, LLC | North Dakota | 3,730 BBLs | 18,902 MCF | Jan 2018 - Feb 2024 |
| Charter Energy, Inc. | Kansas | 6,615 BBLs | 0 MCF | Jan 1980 - Dec 2023 |
| Chesapeake Operating, L.L.C. | Louisiana | -323 BBLs | 59,747,350 MCF | Jun 2014 - Dec 2023 |
| Chevron Midcontinent, L.P. | New Mexico | 4,583 BBLs | 14,432 MCF | Apr 2006 - Feb 2024 |
| Chevron U S A Inc | New Mexico | 2,398,489 BBLs | 9,884,329 MCF | Jan 1993 - Feb 2024 |
| Chevron USA Inc | Colorado | 791 BBLs | 343,330 MCF | Jan 1999 - Feb 2024 |
| Chi Operating Inc | New Mexico | 16,203 BBLs | 27,239 MCF | Jan 1993 - Jan 2024 |
| Chieftain Oil Co., Inc. | Kansas | 3,057 BBLs | 86,299 MCF | Jan 1980 - Dec 2023 |
| Chipcore LLC | Wyoming | 4,741 BBLs | 1,460 MCF | Sep 2012 - Feb 2024 |
| Chizum Oil, LLC | Kansas | 1,972 BBLs | 0 MCF | May 2018 - Dec 2023 |
| Cholla Production, LLC | Kansas | 1,969 BBLs | 0 MCF | Jan 1980 - Dec 2023 |
| Chris Batchman Inc. | Kansas | 1,332 BBLs | 0 MCF | Jan 2010 - Dec 2023 |
| Cimarex Energy Co. | New Mexico | 1,173,198 BBLs | 4,938,020 MCF | Oct 2002 - Feb 2024 |
| Cimarex Energy Co. Of Colorado | New Mexico | 376,041 BBLs | 1,524,751 MCF | May 1997 - Feb 2024 |
| Cimic Energy, LLC | Louisiana | 2,298 BBLs | 0 MCF | Jan 2011 - Jan 2024 |
| Citation Oil & Gas Corp | Colorado | 22,795 BBLs | 228,121 MCF | Jan 2005 - Feb 2024 |
| Citation Oil & Gas Corp | Utah | 15,172 BBLs | 11,190 MCF | Jan 1973 - Feb 2024 |
| Citation Oil & Gas Corp. | Kansas | 21,694 BBLs | 0 MCF | Jan 1980 - Dec 2023 |
| Citation Oil & Gas Corp. | Montana | 15,649 BBLs | 1,652 MCF | Jan 1991 - Feb 2024 |
| Citation Oil & Gas Corp. | North Dakota | 17,720 BBLs | 8,031 MCF | Oct 1996 - Feb 2024 |
| Citation Oil & Gas Corporation | Wyoming | 91,609 BBLs | 17,024 MCF | Jan 1981 - Feb 2024 |
| CML Exploration, LLC | New Mexico | 5,537 BBLs | 11,568 MCF | Nov 2007 - Feb 2024 |
| CMX, Inc. | Kansas | 2,228 BBLs | 37,144 MCF | Jan 1980 - Dec 2023 |
| Cobalt Energy LLC | Kansas | 6,698 BBLs | 0 MCF | Mar 2012 - Dec 2023 |
| Cobra Oil & Gas Corp | Utah | 0 BBLs | 103,953 MCF | Aug 2015 - Feb 2024 |
| Cobra Oil & Gas Corporation | North Dakota | 91,264 BBLs | 44,717 MCF | Dec 2015 - Feb 2024 |
| Cobra Oil And Gas Corporation | Michigan | 142 BBLs | 108,632 MCF | Jun 2015 - Feb 2024 |
| COG Operating LLC | New Mexico | 2,827,470 BBLs | 9,798,931 MCF | Dec 2004 - Feb 2024 |
| COG Production, LLC | New Mexico | 564,706 BBLs | 2,680,905 MCF | Jul 2004 - Feb 2024 |
| Colgate Operating, LLC | New Mexico | 555,119 BBLs | 2,930,119 MCF | Oct 2016 - Jan 2024 |
| Colt Energy Inc | Kansas | 13,007 BBLs | 52,683 MCF | Jan 1980 - Dec 2023 |
| Compass Energy Operating, LLC | Louisiana | 275 BBLs | 963,148 MCF | Jul 2014 - Dec 2023 |
| Comstock Oil & Gas--La, LLC | Louisiana | 766 BBLs | 49,536,088 MCF | Apr 2005 - Dec 2023 |
| Conocophillips Alaska, Inc. | Alaska | 3,937,734 BBLs | 9,023,560 MCF | Dec 1963 - Feb 2024 |
| Conocophillips Company | New Mexico | 415,805 BBLs | 1,629,308 MCF | Jan 2003 - Feb 2024 |
| Contango Resources LLC | Wyoming | 433,092 BBLs | 6,504,335 MCF | Feb 2020 - Feb 2024 |
| Contango Resources, Inc. | Montana | 19,263 BBLs | 76,994 MCF | Dec 2020 - Feb 2024 |
| Contango Resources, LLC | New Mexico | 24,575 BBLs | 195,317 MCF | Feb 2021 - Feb 2024 |
| Continental Resources Inc | Montana | 130,093 BBLs | 267,602 MCF | Jan 1991 - Feb 2024 |