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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Balko, Inc. | Montana | 3,361 BBLs | 652 MCF | Jan 1991 - Sep 2019 |
| Ballantyne Oil, LLC | North Dakota | 32,838 BBLs | 7,871 MCF | Jul 2010 - Nov 2019 |
| Ballard Exploration Co., Inc. | Louisiana | 1,781 BBLs | 56,460 MCF | Jun 1982 - Sep 2018 |
| Ballard Petroleum Holdings LLC | Wyoming | 229,742 BBLs | 478,430 MCF | Jan 1978 - Dec 2019 |
| Ballard Petroleum Holdings, LLC | North Dakota | 6,993 BBLs | 0 MCF | May 2003 - Nov 2019 |
| Barrett Corporation* Bill | Colorado | 940,564 BBLs | 2,707,577 MCF | Mar 2002 - Dec 2019 |
| Bay Gas, LLC | Louisiana | 3,719 BBLs | 0 MCF | Dec 2003 - Sep 2018 |
| Bayless Producer LLC* Robert L | Colorado | 2,819 BBLs | 46,332 MCF | Jan 1999 - Sep 2019 |
| Bayou State Oil Corporation | Louisiana | 9,909 BBLs | 348 MCF | Jan 1977 - Sep 2018 |
| Bayswater Exploration And Production LLC | Colorado | 213,184 BBLs | 611,523 MCF | Jan 2008 - Nov 2019 |
| Bce-Mach LLC | Kansas | 12,108 BBLs | 326,625 MCF | Jun 2010 - Sep 2019 |
| Bean Resources, Inc | Mississippi | 3,272 BBLs | 30,729 MCF | Dec 1976 - Nov 2019 |
| Bear Petroleum, LLC | Kansas | 10,334 BBLs | 57,224 MCF | Jan 1980 - Sep 2019 |
| Becker Oil Corporation | Kansas | 3,314 BBLs | 41,991 MCF | Jan 1980 - Sep 2019 |
| Belden And Blake Corp Dba Ward Lake Energy | Michigan | 541 BBLs | 346,691 MCF | Jun 1982 - Oct 2019 |
| Belle Exploration, Inc. | Louisiana | 2,954 BBLs | 0 MCF | Feb 1998 - Sep 2018 |
| Bennett & Schulte Oil Co., A General Partnership | Kansas | 4,079 BBLs | 0 MCF | Jan 1980 - Sep 2019 |
| Benson-Montin-Greer Drilling Corp | New Mexico | 7,621 BBLs | 61,437 MCF | Jan 1993 - Nov 2019 |
| Beren Corporation | Kansas | 2,800 BBLs | 26,500 MCF | Jan 1980 - Sep 2019 |
| Beren Corporation | Wyoming | 2,307 BBLs | 0 MCF | Jan 1978 - Dec 2019 |
| Berenergy Corporation | North Dakota | 19,045 BBLs | 918 MCF | May 2001 - Nov 2019 |
| Berenergy Corporation | Wyoming | 2,538 BBLs | 10,316 MCF | Jan 1978 - Dec 2019 |
| Berexco LLC | Kansas | 137,736 BBLs | 160,517 MCF | Jan 1980 - Sep 2019 |
| Berry Petroleum Company LLC | Utah | 91,537 BBLs | 646,494 MCF | Dec 2013 - Nov 2019 |
| Betsy Production Company, Inc | Arkansas | 18,006 BBLs | 450 MCF | Jan 2001 - Nov 2019 |
| BHP Billiton Petro (KCS Resources), LLC | Louisiana | 0 BBLs | 2,640,825 MCF | Jul 2013 - Sep 2018 |
| BHP Billiton Petro (Txla Operating) Co. | Louisiana | 0 BBLs | 8,702,757 MCF | Jul 2013 - Sep 2018 |
| BHP Billiton Petro (WSF Operating), Inc. | Louisiana | 0 BBLs | 1,422,597 MCF | Jul 2013 - Sep 2018 |
| Big Muddy Operating LLC | Wyoming | 4,877 BBLs | 0 MCF | Jan 2015 - Dec 2019 |
| Bird Dog Oil, LLC | Kansas | 4,843 BBLs | 0 MCF | May 2012 - Sep 2019 |
| Birk Petroleum | Kansas | 3,359 BBLs | 0 MCF | Jan 1980 - Sep 2019 |
| Black Bayou Operating, LLC | Louisiana | 8,904 BBLs | 0 MCF | Jan 2013 - Aug 2018 |
| Black Bear Oil Corporation | Wyoming | 13,455 BBLs | 24,141 MCF | Jan 1978 - Dec 2019 |
| Black Jack Oil Company., Inc. | Mississippi | 4,554 BBLs | 388 MCF | Dec 1976 - Oct 2019 |
| Black Warrior Methane Corp. | Alabama | 0 BBLs | 307,119 MCF | Feb 1982 - Oct 2019 |
| Blackbeard Operating, LLC | New Mexico | 4,427 BBLs | 69,786 MCF | Jan 2017 - Oct 2019 |
| Blake Exploration, LLC | Kansas | 2,575 BBLs | 0 MCF | Jun 1995 - Sep 2019 |
| Block T Operating, LLC | Alabama | 2,390 BBLs | 0 MCF | Dec 1945 - Oct 2019 |
| Blue Goose Drilling Company, Inc. | Kansas | 4,553 BBLs | 0 MCF | Jul 1985 - Sep 2019 |
| Bluecrest Alaska Operating LLC | Alaska | 38,638 BBLs | 166,305 MCF | Jan 2015 - Nov 2019 |
| Blueridge Petroleum Corporation | Kansas | 6,035 BBLs | 0 MCF | Jan 1980 - Sep 2019 |
| Boaz Rockies Operating LLC | Wyoming | 14,225 BBLs | 6,918 MCF | Jan 2018 - Dec 2019 |
| Bob Sibley | Louisiana | 4,053 BBLs | 6 MCF | Mar 1978 - Sep 2018 |
| Bobcat Oilfield Service, Inc. | Kansas | 5,874 BBLs | 0 MCF | Jan 2010 - Sep 2019 |
| Bonanza Creek Energy Operating Company LLC | Colorado | 667,065 BBLs | 2,161,242 MCF | Apr 1999 - Dec 2019 |
| Bopco, L.P. | Louisiana | 13,822 BBLs | 24,233 MCF | Dec 2008 - Sep 2018 |
| Bowman Oil Company, A General Partnership | Kansas | 6,281 BBLs | 0 MCF | Jan 1980 - Sep 2019 |
| BP America Production Company | Colorado | 0 BBLs | 12,855,311 MCF | Jan 1999 - Nov 2019 |
| BP America Production Company | Kansas | 0 BBLs | 650,477 MCF | Jan 1980 - Sep 2019 |
| BP America Production Company | New Mexico | 8,736 BBLs | 6,771,676 MCF | Jan 1993 - Nov 2019 |