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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Castle Resources, Inc. | Kansas | 3,090 BBLs | 0 MCF | Jan 1980 - Feb 2019 |
| Catamount Energy Partners LLC | Colorado | 0 BBLs | 1,169,969 MCF | Jun 2014 - Apr 2019 |
| Cavalcade Operating Company LLC | Louisiana | 7,481 BBLs | 0 MCF | Sep 2014 - Sep 2018 |
| Caza Operating, LLC | New Mexico | 133,179 BBLs | 371,458 MCF | Jun 2008 - Dec 2018 |
| Cci Paradox Upstream LLC | Colorado | 69 BBLs | 149,244 MCF | Nov 2012 - Feb 2019 |
| Cci Robinson'S Bend LLC | Alabama | 0 BBLs | 253,239 MCF | Jan 1990 - Mar 2019 |
| CCRP Operating Inc | Wyoming | 2,414 BBLs | 3,693 MCF | Jan 2017 - Dec 2019 |
| Centennial Resource Production, LLC | New Mexico | 256,410 BBLs | 379,306 MCF | Jul 2017 - Dec 2018 |
| Central Operating, LLC | Mississippi | 0 BBLs | 82,844 MCF | Mar 2016 - Mar 2019 |
| Chaco Energy Company | Wyoming | 2,481 BBLs | 22,118 MCF | Jan 1978 - Dec 2019 |
| Challenger Point Energy, LLC | North Dakota | 8,535 BBLs | 48,014 MCF | Jan 2018 - Apr 2019 |
| Charter Energy, Inc. | Kansas | 6,335 BBLs | 0 MCF | Jan 1980 - Feb 2019 |
| Cherokee Wells LLC | Kansas | 0 BBLs | 73,143 MCF | Sep 1980 - Feb 2019 |
| Chesapeake Operating LLC | Wyoming | 637,231 BBLs | 3,751,259 MCF | Jan 2014 - Dec 2019 |
| Chesapeake Operating, Inc. | Louisiana | 3,775 BBLs | 2,983 MCF | Jun 1996 - Aug 2018 |
| Chesapeake Operating, L.L.C. | Louisiana | 0 BBLs | 36,031,304 MCF | Jul 2014 - Sep 2018 |
| Chevron Midcontinent, L.P. | New Mexico | 18,272 BBLs | 93,871 MCF | Apr 2006 - Jan 2019 |
| Chevron U S A Inc | New Mexico | 560,114 BBLs | 5,479,405 MCF | Jan 1993 - Jan 2019 |
| Chevron U.S.A. Inc. | Alabama | 0 BBLs | 74,418 MCF | Oct 1962 - Mar 2019 |
| Chevron U.S.A. Inc. | Louisiana | 90,766 BBLs | 53,714 MCF | Jan 1977 - Aug 2018 |
| Chevron USA Inc | Colorado | 232,060 BBLs | 5,187,670 MCF | Jan 1999 - Mar 2019 |
| Chieftain Oil Co., Inc. | Kansas | 4,085 BBLs | 133,453 MCF | Jan 1980 - Feb 2019 |
| Chipcore LLC | Wyoming | 3,843 BBLs | 41,905 MCF | Jan 1978 - Dec 2019 |
| Chisholm Energy Operating, LLC | New Mexico | 210,140 BBLs | 820,115 MCF | Jul 2017 - Dec 2018 |
| Cholla Production, LLC | Kansas | 4,611 BBLs | 0 MCF | Jan 1980 - Feb 2019 |
| Cimarex Energy Co. | Kansas | 1,517 BBLs | 83,014 MCF | Jan 1980 - Feb 2019 |
| Cimarex Energy Co. | New Mexico | 931,116 BBLs | 4,584,559 MCF | Oct 2002 - Jan 2019 |
| Cimarex Energy Co. Of Colorado | New Mexico | 332,058 BBLs | 1,937,078 MCF | May 1997 - Jan 2019 |
| Cimic Energy, LLC | Louisiana | 2,486 BBLs | 0 MCF | Jan 2011 - Sep 2018 |
| Citation Oil & Gas Corp | Colorado | 30,154 BBLs | 288,152 MCF | Dec 2004 - Mar 2019 |
| Citation Oil & Gas Corp | Utah | 34,497 BBLs | 38,949 MCF | Dec 1987 - Apr 2019 |
| Citation Oil & Gas Corp. | Kansas | 35,612 BBLs | 1,342 MCF | Jan 1980 - Feb 2019 |
| Citation Oil & Gas Corp. | Montana | 15,313 BBLs | 1,401 MCF | Jan 1991 - Mar 2019 |
| Citation Oil & Gas Corp. | North Dakota | 20,930 BBLs | 15,279 MCF | Oct 1996 - Apr 2019 |
| Citation Oil & Gas Corporation | Wyoming | 58,414 BBLs | 31,275 MCF | Jan 1978 - Dec 2019 |
| CML Exploration, LLC | New Mexico | 11,893 BBLs | 27,511 MCF | Nov 2007 - Jan 2019 |
| CMX, Inc. | Kansas | 6,315 BBLs | 45,950 MCF | Jan 1980 - Feb 2019 |
| Cobalt Energy LLC | Kansas | 7,931 BBLs | 0 MCF | Mar 2012 - Feb 2019 |
| Cobra Oil & Gas Corp | Utah | 253 BBLs | 204,290 MCF | Aug 2015 - Mar 2019 |
| Cobra Oil & Gas Corporation | North Dakota | 104,729 BBLs | 51,885 MCF | Dec 2015 - Apr 2019 |
| Cobra Oil & Gas Corporation | Wyoming | 164 BBLs | 69,394 MCF | Jan 1983 - Dec 2019 |
| COG Operating LLC | New Mexico | 3,056,938 BBLs | 9,998,687 MCF | Dec 2004 - Jan 2019 |
| COG Production, LLC | New Mexico | 247,207 BBLs | 2,971,009 MCF | Jul 2004 - Jan 2019 |
| Coleman Oil & Gas Inc | Colorado | 0 BBLs | 229,023 MCF | Jan 1999 - Mar 2019 |
| Colgate Operating, LLC | New Mexico | 28,892 BBLs | 54,094 MCF | Nov 2016 - Dec 2018 |
| Colt Energy Inc | Kansas | 14,178 BBLs | 72,643 MCF | Jan 1980 - Feb 2019 |
| Compass Energy Operating, LLC | Louisiana | 249 BBLs | 1,003,906 MCF | Jul 2014 - Aug 2018 |
| Comstock Oil & Gas--La, LLC | Louisiana | 1,311 BBLs | 6,134,026 MCF | Apr 2005 - Sep 2018 |
| Condor Petroleum, Inc. | North Dakota | 6,562 BBLs | 12,732 MCF | Mar 1989 - Apr 2019 |
| Conoco Phillips Company | Colorado | 47,503 BBLs | 79,851 MCF | Jan 1999 - Mar 2019 |