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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Castle Resources, Inc. | Kansas | 3,980 BBLs | 0 MCF | Jan 1980 - Jul 2018 |
| Catamount Energy Partners LLC | Colorado | 0 BBLs | 1,298,192 MCF | Jun 2014 - Sep 2018 |
| Cavalcade Operating Company LLC | Louisiana | 7,481 BBLs | 0 MCF | Sep 2014 - Sep 2018 |
| Caza Operating, LLC | New Mexico | 104,254 BBLs | 327,400 MCF | Jun 2008 - Aug 2018 |
| Cci Paradox Upstream LLC | Colorado | 38 BBLs | 100,001 MCF | Nov 2012 - Oct 2018 |
| Cci Robinson'S Bend LLC | Alabama | 0 BBLs | 294,186 MCF | Jan 1990 - Aug 2018 |
| CCRP Operating Inc | Wyoming | 3,158 BBLs | 5,488 MCF | Jan 2017 - Dec 2018 |
| Central Operating, LLC | Mississippi | 0 BBLs | 94,847 MCF | Mar 2016 - Sep 2018 |
| Chaco Energy Company | Wyoming | 3,143 BBLs | 32,172 MCF | Jan 1978 - Dec 2018 |
| Challenger Point Energy, LLC | North Dakota | 6,871 BBLs | 30,736 MCF | Jan 2018 - Sep 2018 |
| Charter Energy, Inc. | Kansas | 7,770 BBLs | 0 MCF | Jan 1980 - Jul 2018 |
| Chemily Management Company | Wyoming | 3,462 BBLs | 16,937 MCF | Jan 1978 - Dec 2018 |
| Cherokee Wells LLC | Kansas | 139 BBLs | 69,552 MCF | Sep 1980 - Jul 2018 |
| Chesapeake Operating LLC | Wyoming | 306,111 BBLs | 2,321,409 MCF | Jan 2014 - Dec 2018 |
| 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 | 18,170 BBLs | 120,833 MCF | Apr 2006 - Aug 2018 |
| Chevron U S A Inc | New Mexico | 589,370 BBLs | 5,797,055 MCF | Jan 1993 - Aug 2018 |
| Chevron U.S.A. Inc. | Alabama | 0 BBLs | 88,076 MCF | Oct 1962 - Aug 2018 |
| Chevron U.S.A. Inc. | Louisiana | 84,276 BBLs | 53,120 MCF | Jan 1977 - Aug 2018 |
| Chevron USA Inc | Colorado | 290,344 BBLs | 5,668,632 MCF | Jan 1999 - Sep 2018 |
| Cheyenne River LLC | Wyoming | 3,722 BBLs | 9,106 MCF | Jan 2013 - Dec 2018 |
| Chieftain Oil Co., Inc. | Kansas | 3,668 BBLs | 135,212 MCF | Jan 1980 - Jul 2018 |
| Chipcore LLC | Wyoming | 4,546 BBLs | 46,783 MCF | Jan 1978 - Dec 2018 |
| Chisholm Energy Operating, LLC | New Mexico | 192,108 BBLs | 632,306 MCF | Jul 2017 - Aug 2018 |
| Cholla Production, LLC | Kansas | 4,661 BBLs | 0 MCF | Jan 1980 - Jul 2018 |
| Cimarex Energy Co. | Kansas | 1,914 BBLs | 90,295 MCF | Jan 1980 - Jul 2018 |
| Cimarex Energy Co. | New Mexico | 400,626 BBLs | 2,656,738 MCF | Oct 2002 - Aug 2018 |
| Cimarex Energy Co. Of Colorado | New Mexico | 281,227 BBLs | 1,941,795 MCF | May 1997 - Aug 2018 |
| Citation Oil & Gas Corp | Colorado | 34,799 BBLs | 298,846 MCF | Dec 2004 - Sep 2018 |
| Citation Oil & Gas Corp. | Kansas | 35,278 BBLs | 1,327 MCF | Jan 1980 - Jul 2018 |
| Citation Oil & Gas Corp. | Montana | 17,939 BBLs | 2,604 MCF | Jan 1991 - Sep 2018 |
| Citation Oil & Gas Corp. | North Dakota | 23,466 BBLs | 16,583 MCF | Oct 1996 - Sep 2018 |
| Citation Oil & Gas Corporation | Wyoming | 63,473 BBLs | 31,576 MCF | Jan 1978 - Dec 2018 |
| CML Exploration, LLC | New Mexico | 13,259 BBLs | 28,151 MCF | Nov 2007 - Sep 2018 |
| CMX, Inc. | Kansas | 6,538 BBLs | 54,580 MCF | Jan 1980 - Jul 2018 |
| Coachman Energy Operating Company LLC | Kansas | 3,709 BBLs | 473 MCF | Jan 2010 - Jul 2018 |
| Cobalt Energy LLC | Kansas | 5,952 BBLs | 0 MCF | Mar 2012 - Jul 2018 |
| Cobra Oil & Gas Corporation | North Dakota | 15,771 BBLs | 12,550 MCF | Dec 2015 - Oct 2018 |
| Cobra Oil & Gas Corporation | Wyoming | 251 BBLs | 67,958 MCF | Jan 1983 - Dec 2018 |
| Cobra Oil And Gas Corporation | Michigan | 661 BBLs | 188,813 MCF | Jan 1986 - Mar 2018 |
| COG Operating LLC | New Mexico | 2,467,421 BBLs | 8,940,902 MCF | Dec 2004 - Sep 2018 |
| COG Production, LLC | New Mexico | 332,907 BBLs | 3,101,610 MCF | Jul 2004 - Sep 2018 |
| Coleman Oil & Gas Inc | Colorado | 0 BBLs | 204,556 MCF | Jan 1999 - Sep 2018 |
| Colgate Operating, LLC | New Mexico | 30,102 BBLs | 82,636 MCF | Nov 2016 - Jul 2018 |
| Colt Energy Inc | Kansas | 12,326 BBLs | 70,994 MCF | Jan 1980 - Jul 2018 |
| 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 | 6,331 BBLs | 14,568 MCF | Mar 1989 - Sep 2018 |
| Conoco Phillips Company | Colorado | 91,404 BBLs | 135,147 MCF | Jan 1999 - Sep 2018 |