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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Baird Oil Company LLC | Kansas | 4,677 BBLs | 0 MCF | Jan 1980 - Dec 2019 |
| Balidor Oil & Gas LLC | Wyoming | 31,168 BBLs | 77,156 MCF | Jan 2016 - Dec 2020 |
| Ballantyne Oil, LLC | North Dakota | 32,252 BBLs | 7,265 MCF | Jul 2010 - Jan 2020 |
| Ballard Exploration Co., Inc. | Louisiana | 1,781 BBLs | 56,460 MCF | Jun 1982 - Sep 2018 |
| Ballard Petroleum Holdings LLC | Wyoming | 287,383 BBLs | 527,931 MCF | Jan 1978 - Dec 2019 |
| Ballard Petroleum Holdings, LLC | North Dakota | 6,914 BBLs | 0 MCF | May 2003 - Jan 2020 |
| Barrett Corporation* Bill | Colorado | 856,125 BBLs | 3,229,560 MCF | Mar 2002 - Dec 2019 |
| Bay Gas, LLC | Louisiana | 3,719 BBLs | 0 MCF | Dec 2003 - Sep 2018 |
| Bayless Producer LLC* Robert L | Colorado | 2,656 BBLs | 44,012 MCF | Jan 1999 - Jan 2020 |
| Bayou State Oil Corporation | Louisiana | 9,909 BBLs | 348 MCF | Jan 1977 - Sep 2018 |
| Bayswater Exploration And Production LLC | Colorado | 323,937 BBLs | 838,836 MCF | Jan 2008 - Jan 2020 |
| Bce-Mach LLC | Kansas | 1,027 BBLs | 296,214 MCF | Jun 2010 - Dec 2019 |
| Bear Petroleum, LLC | Kansas | 11,357 BBLs | 57,132 MCF | Jan 1980 - Dec 2019 |
| Becker Oil Corporation | Kansas | 3,303 BBLs | 55,983 MCF | Jan 1980 - Dec 2019 |
| Behm Energy, Inc. | Montana | 3,973 BBLs | 0 MCF | May 1996 - Jan 2020 |
| Belden And Blake Corp Dba Ward Lake Energy | Michigan | 541 BBLs | 346,691 MCF | Jun 1982 - Dec 2019 |
| Belle Exploration, Inc. | Louisiana | 2,954 BBLs | 0 MCF | Feb 1998 - Sep 2018 |
| Bennett & Schulte Oil Co., A General Partnership | Kansas | 4,467 BBLs | 0 MCF | Jan 1980 - Dec 2019 |
| Benson-Montin-Greer Drilling Corp | New Mexico | 8,361 BBLs | 58,964 MCF | Jan 1993 - Jan 2020 |
| Beren Corporation | Kansas | 2,354 BBLs | 25,222 MCF | Jan 1980 - Dec 2019 |
| Beren Corporation | Wyoming | 2,204 BBLs | 0 MCF | Jan 1978 - Dec 2020 |
| Berenergy Corporation | North Dakota | 19,222 BBLs | 879 MCF | May 2001 - Jan 2020 |
| Berenergy Corporation | Wyoming | 2,836 BBLs | 9,652 MCF | Jan 1978 - Dec 2019 |
| Berexco LLC | Kansas | 134,072 BBLs | 133,666 MCF | Jan 1980 - Dec 2019 |
| Berry Petroleum Company LLC | Utah | 86,828 BBLs | 600,260 MCF | Dec 2013 - Jan 2020 |
| Betsy Production Company, Inc | Arkansas | 17,506 BBLs | 436 MCF | Jan 2001 - Jan 2020 |
| 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 | 3,846 BBLs | 0 MCF | Jan 2015 - Dec 2020 |
| Bird Dog Oil, LLC | Kansas | 3,550 BBLs | 0 MCF | May 2012 - Dec 2019 |
| Birk Petroleum | Kansas | 2,685 BBLs | 0 MCF | Jan 1980 - Dec 2019 |
| Black Bayou Operating, LLC | Louisiana | 8,904 BBLs | 0 MCF | Jan 2013 - Aug 2018 |
| Black Bear Oil Corporation | Wyoming | 13,333 BBLs | 24,324 MCF | Jan 1978 - Dec 2020 |
| Black Jack Oil Company., Inc. | Mississippi | 4,782 BBLs | 472 MCF | Dec 1976 - Jan 2020 |
| Black Warrior Methane Corp. | Alabama | 0 BBLs | 333,834 MCF | Feb 1982 - Dec 2019 |
| Blackbeard Operating, LLC | New Mexico | 4,613 BBLs | 68,269 MCF | Jan 2017 - Jan 2020 |
| Blake Exploration, LLC | Kansas | 3,251 BBLs | 0 MCF | Jun 1995 - Dec 2019 |
| Block T Operating, LLC | Alabama | 2,812 BBLs | 0 MCF | Dec 1945 - Dec 2019 |
| Block T Petroleum, Inc | Mississippi | 2,326 BBLs | 146 MCF | Dec 1976 - Jan 2020 |
| Blue Goose Drilling Company, Inc. | Kansas | 3,944 BBLs | 0 MCF | Jul 1985 - Dec 2019 |
| Bluecrest Alaska Operating LLC | Alaska | 36,613 BBLs | 164,232 MCF | Jan 2015 - Jan 2020 |
| Blueridge Petroleum Corporation | Kansas | 5,234 BBLs | 0 MCF | Jan 1980 - Dec 2019 |
| Boaz Rockies Operating LLC | Wyoming | 14,609 BBLs | 6,984 MCF | Jan 2018 - Dec 2020 |
| Bob Sibley | Louisiana | 4,053 BBLs | 6 MCF | Mar 1978 - Sep 2018 |
| Bobcat Oilfield Service, Inc. | Kansas | 4,586 BBLs | 0 MCF | Jan 2010 - Dec 2019 |
| Bonanza Creek Energy Operating Company LLC | Colorado | 624,790 BBLs | 2,036,857 MCF | Apr 1999 - Jan 2020 |
| Bopco, L.P. | Louisiana | 13,822 BBLs | 24,233 MCF | Dec 2008 - Sep 2018 |
| Bowman Oil Company, A General Partnership | Kansas | 7,041 BBLs | 0 MCF | Jan 1980 - Dec 2019 |
| BP America Production Company | Colorado | 0 BBLs | 12,578,821 MCF | Jan 1999 - Jan 2020 |