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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Cherokee Wells LLC | Kansas | 329 BBLs | 48,072 MCF | Sep 1980 - Jan 2023 |
| Chesapeake Operating, L.L.C. | Louisiana | 0 BBLs | 69,019,999 MCF | Jun 2014 - Mar 2023 |
| Chevron Midcontinent, L.P. | New Mexico | 5,439 BBLs | 13,038 MCF | Apr 2006 - Mar 2023 |
| Chevron U S A Inc | New Mexico | 1,419,254 BBLs | 7,977,655 MCF | Jan 1993 - Mar 2023 |
| Chevron U.S.A. Inc. | Alabama | 0 BBLs | 63,680 MCF | Oct 1962 - Feb 2023 |
| Chevron USA Inc | Colorado | 940 BBLs | 228,214 MCF | Jan 1999 - Mar 2023 |
| Chi Operating Inc | New Mexico | 17,106 BBLs | 41,187 MCF | Jan 1993 - Mar 2023 |
| Chieftain Oil Co., Inc. | Kansas | 3,080 BBLs | 103,218 MCF | Jan 1980 - Jan 2023 |
| Chipcore LLC | Wyoming | 4,832 BBLs | 4,264 MCF | Sep 2012 - Mar 2023 |
| Chizum Oil, LLC | Kansas | 1,637 BBLs | 0 MCF | May 2018 - Jan 2023 |
| Cholla Production, LLC | Kansas | 2,938 BBLs | 0 MCF | Jan 1980 - Jan 2023 |
| Cimarex Energy Co. | New Mexico | 739,193 BBLs | 3,708,922 MCF | Oct 2002 - Mar 2023 |
| Cimarex Energy Co. Of Colorado | New Mexico | 420,943 BBLs | 1,482,103 MCF | May 1997 - Mar 2023 |
| Cimic Energy, LLC | Louisiana | 2,656 BBLs | 0 MCF | Jan 2011 - Mar 2023 |
| Citation Oil & Gas Corp | Colorado | 28,038 BBLs | 256,414 MCF | Dec 2004 - Apr 2023 |
| Citation Oil & Gas Corp | New Mexico | 743 BBLs | 28,803 MCF | Jan 1993 - Mar 2023 |
| Citation Oil & Gas Corp | Utah | 26,071 BBLs | 45,117 MCF | Jan 1973 - Apr 2023 |
| Citation Oil & Gas Corp. | Kansas | 27,734 BBLs | 0 MCF | Jan 1980 - Jan 2023 |
| Citation Oil & Gas Corp. | Montana | 14,671 BBLs | 1,718 MCF | Jan 1991 - Mar 2023 |
| Citation Oil & Gas Corp. | North Dakota | 18,106 BBLs | 6,638 MCF | Oct 1996 - Apr 2023 |
| Citation Oil & Gas Corporation | Wyoming | 100,280 BBLs | 28,550 MCF | Jan 1981 - Mar 2023 |
| Cla-Mar Oil Company, LLC | Kansas | 1,463 BBLs | 0 MCF | Jan 2010 - Jan 2023 |
| CML Exploration, LLC | New Mexico | 5,747 BBLs | 12,878 MCF | Nov 2007 - Apr 2023 |
| CMX, Inc. | Kansas | 2,568 BBLs | 31,053 MCF | Jan 1980 - Jan 2023 |
| Cobalt Energy LLC | Kansas | 4,067 BBLs | 0 MCF | Mar 2012 - Jan 2023 |
| Cobra Oil & Gas Corp | Utah | 0 BBLs | 73,591 MCF | Aug 2015 - Apr 2023 |
| Cobra Oil & Gas Corporation | North Dakota | 104,034 BBLs | 53,659 MCF | Dec 2015 - Apr 2023 |
| Cobra Oil And Gas Corporation | Michigan | 147 BBLs | 127,144 MCF | Jun 2015 - Apr 2022 |
| COG Operating LLC | New Mexico | 2,832,992 BBLs | 10,792,140 MCF | Dec 2004 - Mar 2023 |
| COG Production, LLC | New Mexico | 144,940 BBLs | 1,697,625 MCF | Jul 2004 - Mar 2023 |
| Colt Energy Inc | Kansas | 13,705 BBLs | 56,070 MCF | Jan 1980 - Jan 2023 |
| Comstock Oil & Gas--La, LLC | Louisiana | 849 BBLs | 44,987,884 MCF | Apr 2005 - Mar 2023 |
| Conocophillips Alaska, Inc. | Alaska | 3,907,357 BBLs | 8,439,992 MCF | Dec 1963 - Apr 2023 |
| Conocophillips Company | New Mexico | 495,842 BBLs | 1,978,759 MCF | Jan 2003 - Mar 2023 |
| Contango Resources LLC | Wyoming | 442,102 BBLs | 6,959,026 MCF | Feb 2020 - Apr 2023 |
| Contango Resources, Inc. | Montana | 18,376 BBLs | 73,563 MCF | Dec 2020 - Mar 2023 |
| Contango Resources, LLC | New Mexico | 22,279 BBLs | 190,356 MCF | Feb 2021 - Mar 2023 |
| Continental Resources Inc | Montana | 153,543 BBLs | 309,941 MCF | Jan 1991 - Mar 2023 |
| Continental Resources Inc | Wyoming | 764,202 BBLs | 2,830,379 MCF | Jan 1993 - Apr 2023 |
| Continental Resources Inc. | Louisiana | 3,583 BBLs | 3,742 MCF | Sep 1995 - Apr 2023 |
| Continental Resources, Inc. | North Dakota | 5,596,125 BBLs | 17,498,177 MCF | Sep 1978 - Apr 2023 |
| Cook Inlet Energy, LLC. | Alaska | 44,148 BBLs | 20,530 MCF | Dec 2009 - Apr 2023 |
| Coral Production Corporation | Kansas | 2,422 BBLs | 0 MCF | Jan 1980 - Jan 2023 |
| Core Energy LLC | Michigan | 49,886 BBLs | 37,206 MCF | Jan 2006 - May 2022 |
| Cornerstone Energy, LLC | Arkansas | 1,777 BBLs | 0 MCF | Jan 2001 - Jul 2022 |
| Cornerstone Natural Resources LLC | North Dakota | 10,004 BBLs | 13,707 MCF | Jan 2007 - Apr 2023 |
| Cox Operating, L.L.C. | Louisiana | 13,096 BBLs | 22,164 MCF | Jun 2004 - Mar 2023 |
| Crawford Production Company | Kansas | 2,269 BBLs | 660 MCF | Jan 1980 - Jan 2023 |
| Creole Operating, LLC | Louisiana | 4,750 BBLs | 7,123 MCF | May 2020 - Mar 2023 |
| Crescent Pass Energy, LLC | Louisiana | 208 BBLs | 118,015 MCF | Aug 2018 - Apr 2023 |