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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Central Operating, LLC | Mississippi | 0 BBLs | 97,924 MCF | Nov 1983 - Jan 2020 |
| Century Oil And Gas LLC | Wyoming | 3,041 BBLs | 20,096 MCF | Jan 2018 - Dec 2020 |
| CH4-Finley Operating, LLC | Utah | 372,420 BBLs | 746,038 MCF | Nov 2019 - Dec 2019 |
| Chaco Energy Company | Wyoming | 3,327 BBLs | 33,635 MCF | Jan 1978 - Dec 2019 |
| Challenger Point Energy, LLC | North Dakota | 8,180 BBLs | 43,566 MCF | Jan 2018 - Jan 2020 |
| Charter Energy, Inc. | Kansas | 6,035 BBLs | 0 MCF | Jan 1980 - Dec 2019 |
| Chemily Management Company | Wyoming | 3,070 BBLs | 13,011 MCF | Jan 1978 - Dec 2020 |
| Cherokee Wells LLC | Kansas | 306 BBLs | 66,567 MCF | Sep 1980 - Dec 2019 |
| Chesapeake Operating LLC | Wyoming | 1,013,015 BBLs | 4,939,256 MCF | Jan 2014 - Dec 2020 |
| 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 | 17,941 BBLs | 120,690 MCF | Apr 2006 - Jan 2020 |
| Chevron U S A Inc | New Mexico | 1,106,187 BBLs | 7,990,789 MCF | Jan 1993 - Jan 2020 |
| Chevron U.S.A. Inc. | Alabama | 0 BBLs | 73,777 MCF | Oct 1962 - Dec 2019 |
| Chevron U.S.A. Inc. | Louisiana | 77,643 BBLs | 45,896 MCF | Jan 1977 - Aug 2018 |
| Chevron USA Inc | Colorado | 275,745 BBLs | 6,062,359 MCF | Jan 1999 - Jan 2020 |
| Chieftain Oil Co., Inc. | Kansas | 4,664 BBLs | 122,577 MCF | Jan 1980 - Dec 2019 |
| Chipcore LLC | Wyoming | 2,587 BBLs | 29,251 MCF | Jan 1978 - Dec 2019 |
| Chisholm Energy Operating, LLC | New Mexico | 248,218 BBLs | 828,646 MCF | Jul 2017 - Jan 2020 |
| Cholla Production, LLC | Kansas | 5,069 BBLs | 0 MCF | Jan 1980 - Dec 2019 |
| Cimarex Energy Co. | New Mexico | 625,140 BBLs | 4,458,518 MCF | Oct 2002 - Jan 2020 |
| Cimarex Energy Co. Of Colorado | New Mexico | 214,657 BBLs | 1,457,572 MCF | May 1997 - Jan 2020 |
| Cimic Energy, LLC | Louisiana | 2,569 BBLs | 0 MCF | Jan 2011 - Sep 2018 |
| Citation Oil & Gas Corp | Colorado | 32,066 BBLs | 305,066 MCF | Dec 2004 - Jan 2020 |
| Citation Oil & Gas Corp | Utah | 33,771 BBLs | 37,937 MCF | Jan 1973 - Feb 2020 |
| Citation Oil & Gas Corp. | Kansas | 33,582 BBLs | 1,340 MCF | Jan 1980 - Dec 2019 |
| Citation Oil & Gas Corp. | Montana | 12,541 BBLs | 1,665 MCF | Jan 1991 - Jan 2020 |
| Citation Oil & Gas Corp. | North Dakota | 21,514 BBLs | 11,873 MCF | Oct 1996 - Jan 2020 |
| Citation Oil & Gas Corporation | Wyoming | 56,210 BBLs | 30,446 MCF | Jan 1978 - Dec 2020 |
| CML Exploration, LLC | New Mexico | 9,526 BBLs | 22,938 MCF | Nov 2007 - Jan 2020 |
| CMX, Inc. | Kansas | 5,472 BBLs | 44,796 MCF | Jan 1980 - Dec 2019 |
| Cobalt Energy LLC | Kansas | 4,988 BBLs | 0 MCF | Mar 2012 - Dec 2019 |
| Cobra Oil & Gas Corp | Utah | 150 BBLs | 159,694 MCF | Aug 2015 - Feb 2020 |
| Cobra Oil & Gas Corporation | North Dakota | 102,303 BBLs | 49,621 MCF | Dec 2015 - Jan 2020 |
| Cobra Oil & Gas Corporation | Wyoming | 421 BBLs | 67,386 MCF | Jan 1983 - Dec 2020 |
| Cobra Oil And Gas Corporation | Michigan | 429 BBLs | 186,587 MCF | Jan 1986 - Dec 2019 |
| COG Operating LLC | New Mexico | 3,104,009 BBLs | 10,348,880 MCF | Dec 2004 - Jan 2020 |
| COG Production, LLC | New Mexico | 246,748 BBLs | 3,414,500 MCF | Jul 2004 - Jan 2020 |
| Coleman Oil & Gas Inc | Colorado | 0 BBLs | 230,585 MCF | Jan 1999 - Jan 2020 |
| Colgate Operating, LLC | New Mexico | 28,132 BBLs | 72,225 MCF | Nov 2016 - Dec 2019 |
| Colt Energy Inc | Kansas | 12,340 BBLs | 63,599 MCF | Jan 1980 - Dec 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 |
| Conoco Phillips Company | Colorado | 32,292 BBLs | 58,229 MCF | Jan 1999 - Jan 2020 |
| Conocophillips Alaska, Inc. | Alaska | 5,085,867 BBLs | 7,835,828 MCF | Dec 1963 - Jan 2020 |
| Conocophillips Company | New Mexico | 347,812 BBLs | 1,424,911 MCF | Jan 2003 - Jan 2020 |
| Conocophillips Company | Utah | 0 BBLs | 1,451,658 MCF | Jan 2003 - Feb 2020 |
| Contango Operators, Inc. | Louisiana | 5,406 BBLs | 684,585 MCF | Dec 2007 - Sep 2018 |
| Continental Resources Inc | Montana | 218,687 BBLs | 438,596 MCF | Jan 1991 - Jan 2020 |
| Continental Resources Inc. | Louisiana | 2,223 BBLs | 1,085 MCF | Sep 1995 - Sep 2018 |