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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Casillas Petroleum Corp | Kansas | 19,544 BBLs | 370,947 MCF | Jan 2010 - Apr 2019 |
| Castelli Exploration, Inc. | Kansas | 4,068 BBLs | 37,059 MCF | Jan 1980 - Apr 2019 |
| Castex Energy, Inc. | Louisiana | 13,410 BBLs | 138,389 MCF | May 1988 - Sep 2018 |
| Castle Resources, Inc. | Kansas | 2,778 BBLs | 0 MCF | Jan 1980 - Apr 2019 |
| Catamount Energy Partners LLC | Colorado | 0 BBLs | 1,184,973 MCF | Jun 2014 - Jun 2019 |
| Cavalcade Operating Company LLC | Louisiana | 7,784 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 | 211 BBLs | 132,441 MCF | Nov 2012 - May 2019 |
| Cci Robinson'S Bend LLC | Alabama | 0 BBLs | 253,239 MCF | Jan 1990 - Mar 2019 |
| Centennial Resource Production, LLC | New Mexico | 256,410 BBLs | 379,306 MCF | Jul 2017 - Dec 2018 |
| Central Operating, LLC | Mississippi | 0 BBLs | 88,590 MCF | Mar 2016 - May 2019 |
| Chaco Energy Company | Wyoming | 2,508 BBLs | 29,435 MCF | Jan 1978 - Dec 2019 |
| Challenger Point Energy, LLC | North Dakota | 9,044 BBLs | 54,613 MCF | Jan 2018 - Jun 2019 |
| Charter Energy, Inc. | Kansas | 6,602 BBLs | 0 MCF | Jan 1980 - Apr 2019 |
| Chemily Management Company | Wyoming | 4,395 BBLs | 11,748 MCF | Jan 1978 - Dec 2019 |
| Cherokee Wells LLC | Kansas | 158 BBLs | 71,496 MCF | Sep 1980 - Apr 2019 |
| Chesapeake Operating LLC | Wyoming | 769,656 BBLs | 4,260,120 MCF | Jan 2014 - Dec 2019 |
| Chesapeake Operating, Inc. | Louisiana | 3,421 BBLs | 2,501 MCF | Jun 1996 - Aug 2018 |
| Chesapeake Operating, L.L.C. | Louisiana | 0 BBLs | 36,558,764 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 | 77,643 BBLs | 45,896 MCF | Jan 1977 - Aug 2018 |
| Chevron USA Inc | Colorado | 260,133 BBLs | 5,651,799 MCF | Jan 1999 - May 2019 |
| Chieftain Oil Co., Inc. | Kansas | 4,342 BBLs | 136,643 MCF | Jan 1980 - Apr 2019 |
| Chipcore LLC | Wyoming | 3,648 BBLs | 41,865 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 | 5,866 BBLs | 0 MCF | Jan 1980 - Apr 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 | 2,569 BBLs | 0 MCF | Jan 2011 - Sep 2018 |
| Citation Oil & Gas Corp | Colorado | 32,453 BBLs | 297,038 MCF | Dec 2004 - Jun 2019 |
| Citation Oil & Gas Corp | Utah | 35,738 BBLs | 39,866 MCF | Dec 1987 - Jun 2019 |
| Citation Oil & Gas Corp. | Kansas | 35,936 BBLs | 1,207 MCF | Jan 1980 - Apr 2019 |
| Citation Oil & Gas Corp. | Montana | 17,954 BBLs | 1,536 MCF | Jan 1991 - Jun 2019 |
| Citation Oil & Gas Corp. | North Dakota | 21,011 BBLs | 13,376 MCF | Oct 1996 - Jun 2019 |
| Citation Oil & Gas Corporation | Wyoming | 56,728 BBLs | 30,038 MCF | Jan 1978 - Dec 2019 |
| CML Exploration, LLC | New Mexico | 11,893 BBLs | 27,511 MCF | Nov 2007 - Jan 2019 |
| CMX, Inc. | Kansas | 5,313 BBLs | 51,984 MCF | Jan 1980 - Apr 2019 |
| Cobalt Energy LLC | Kansas | 7,869 BBLs | 0 MCF | Mar 2012 - Apr 2019 |
| Cobra Oil & Gas Corp | Utah | 223 BBLs | 177,476 MCF | Aug 2015 - May 2019 |
| Cobra Oil & Gas Corporation | North Dakota | 108,169 BBLs | 59,951 MCF | Dec 2015 - Jun 2019 |
| Cobra Oil & Gas Corporation | Wyoming | 720 BBLs | 66,122 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 | 264,604 MCF | Jan 1999 - Apr 2019 |
| Colgate Operating, LLC | New Mexico | 28,892 BBLs | 54,094 MCF | Nov 2016 - Dec 2018 |
| Colt Energy Inc | Kansas | 13,891 BBLs | 70,618 MCF | Jan 1980 - Apr 2019 |
| Compass Energy Operating, LLC | Louisiana | 69 BBLs | 981,286 MCF | Jul 2014 - Aug 2018 |
| Comstock Oil & Gas--La, LLC | Louisiana | 845 BBLs | 6,035,485 MCF | Apr 2005 - Sep 2018 |