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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Avad Operating, LLC | Mississippi | 12,299 BBLs | 650 MCF | Jun 2018 - Apr 2019 |
| Axia Energy II LLC | Utah | 328,507 BBLs | 273,889 MCF | May 2015 - Apr 2019 |
| Aztec Oil Co. Division | Kansas | 4,318 BBLs | 332 MCF | Jan 1980 - Feb 2019 |
| Bach Oil Production | Kansas | 13,719 BBLs | 0 MCF | Jan 1980 - Feb 2019 |
| Backwater Energy Partners, LLC | Mississippi | 5,078 BBLs | 6,552 MCF | Jan 2018 - Apr 2019 |
| Badger Energy LLC | Louisiana | 17,390 BBLs | 15,235 MCF | Mar 2012 - Sep 2018 |
| Baird Oil Company LLC | Kansas | 4,917 BBLs | 0 MCF | Jan 1980 - Feb 2019 |
| Balidor Oil & Gas LLC | Wyoming | 53,083 BBLs | 132,152 MCF | Jan 2016 - Dec 2019 |
| Balko, Inc. | Montana | 2,524 BBLs | 0 MCF | Jan 1991 - Mar 2019 |
| Ballantyne Oil, LLC | North Dakota | 30,198 BBLs | 7,944 MCF | Jul 2010 - Apr 2019 |
| Ballard Exploration Co., Inc. | Louisiana | 2,364 BBLs | 69,742 MCF | Jun 1982 - Sep 2018 |
| Ballard Petroleum Holdings LLC | Wyoming | 264,572 BBLs | 556,415 MCF | Jan 1978 - Dec 2019 |
| Ballard Petroleum Holdings, LLC | North Dakota | 7,954 BBLs | 1 MCF | May 2003 - Apr 2019 |
| Barrett Corporation* Bill | Colorado | 714,253 BBLs | 2,176,150 MCF | Mar 2002 - Feb 2019 |
| Bay Gas, LLC | Louisiana | 3,601 BBLs | 0 MCF | Dec 2003 - Sep 2018 |
| Bayless Producer LLC* Robert L | Colorado | 2,991 BBLs | 31,489 MCF | Jan 1999 - Mar 2019 |
| Bayou State Oil Corporation | Louisiana | 9,527 BBLs | 351 MCF | Jan 1977 - Sep 2018 |
| Bayswater Exploration & Production, LLC | Montana | 2,694 BBLs | 3,532 MCF | Aug 2006 - Mar 2019 |
| Bayswater Exploration And Production LLC | Colorado | 141,102 BBLs | 251,625 MCF | Jan 2008 - Mar 2019 |
| Bean Resources, Inc | Mississippi | 2,852 BBLs | 28,809 MCF | Dec 1976 - Mar 2019 |
| Bear Petroleum, LLC | Kansas | 12,116 BBLs | 49,616 MCF | Jan 1980 - Feb 2019 |
| Becker Oil Corporation | Kansas | 3,969 BBLs | 71,638 MCF | Jan 1980 - Feb 2019 |
| Behm Energy, Inc. | Montana | 3,892 BBLs | 0 MCF | May 1996 - Mar 2019 |
| Belden And Blake Corp Dba Ward Lake Energy | Michigan | 456 BBLs | 387,816 MCF | Jun 1982 - Apr 2018 |
| Belle Exploration, Inc. | Louisiana | 2,476 BBLs | 0 MCF | Feb 1998 - Sep 2018 |
| Bennett & Schulte Oil Co., A General Partnership | Kansas | 4,151 BBLs | 0 MCF | Jan 1980 - Feb 2019 |
| Benson-Montin-Greer Drilling Corp | New Mexico | 7,624 BBLs | 61,548 MCF | Jan 1993 - Jan 2019 |
| Beren Corporation | Colorado | 2,949 BBLs | 0 MCF | Jan 1999 - Apr 2019 |
| Beren Corporation | Kansas | 3,428 BBLs | 27,984 MCF | Jan 1980 - Feb 2019 |
| Beren Corporation | Wyoming | 2,480 BBLs | 0 MCF | Jan 1978 - Dec 2019 |
| Berenergy Corporation | North Dakota | 21,826 BBLs | 1,035 MCF | May 2001 - Apr 2019 |
| Berenergy Corporation | Wyoming | 2,897 BBLs | 10,414 MCF | Jan 1978 - Dec 2019 |
| Berexco LLC | Kansas | 132,219 BBLs | 135,515 MCF | Jan 1980 - Feb 2019 |
| Berry Petroleum Company LLC | Utah | 93,622 BBLs | 576,249 MCF | Dec 2013 - Apr 2019 |
| Betsy Production Company, Inc | Arkansas | 16,003 BBLs | 455 MCF | Jan 2001 - Apr 2019 |
| BHP Billiton Petro (KCS Resources), LLC | Louisiana | 0 BBLs | 2,571,228 MCF | Jul 2013 - Sep 2018 |
| BHP Billiton Petro (Txla Operating) Co. | Louisiana | 0 BBLs | 8,197,671 MCF | Jul 2013 - Sep 2018 |
| BHP Billiton Petro (WSF Operating), Inc. | Louisiana | 0 BBLs | 1,484,794 MCF | Jul 2013 - Sep 2018 |
| Big Muddy Operating LLC | Wyoming | 3,670 BBLs | 0 MCF | Jan 2015 - Dec 2019 |
| Birk Petroleum | Kansas | 2,986 BBLs | 0 MCF | Jan 1980 - Feb 2019 |
| Black Bayou Operating, LLC | Louisiana | 14,098 BBLs | 1,687 MCF | Jan 2013 - Aug 2018 |
| Black Bear Oil Corporation | Wyoming | 13,561 BBLs | 21,709 MCF | Jan 1978 - Dec 2019 |
| Black Jack Oil Company., Inc. | Mississippi | 3,623 BBLs | 375 MCF | Jan 2018 - Mar 2019 |
| Black Oak Exploration | Kansas | 3,262 BBLs | 0 MCF | Oct 2013 - Feb 2019 |
| Black Tea Oil, LLC | Kansas | 5,050 BBLs | 0 MCF | Jan 2014 - Feb 2019 |
| Black Warrior Methane Corp. | Alabama | 0 BBLs | 319,517 MCF | Feb 1982 - Mar 2019 |
| Blackbeard Operating, LLC | New Mexico | 4,077 BBLs | 44,063 MCF | Jan 2017 - Jan 2019 |
| Block T Petroleum, Inc | Mississippi | 3,191 BBLs | 5,051 MCF | May 2009 - Apr 2019 |
| Blue Goose Drilling Company, Inc. | Kansas | 4,396 BBLs | 0 MCF | Jul 1985 - Feb 2019 |
| Bluecrest Alaska Operating LLC | Alaska | 48,422 BBLs | 259,942 MCF | Jan 2015 - Apr 2019 |