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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Baird Oil Company LLC | Kansas | 5,547 BBLs | 0 MCF | Jan 1980 - May 2019 |
| Balidor Oil & Gas LLC | Wyoming | 36,412 BBLs | 89,316 MCF | Jan 2016 - Dec 2019 |
| Balko, Inc. | Montana | 2,551 BBLs | 7,978 MCF | Jan 1991 - May 2019 |
| Ballantyne Oil, LLC | North Dakota | 34,830 BBLs | 8,457 MCF | Jul 2010 - Jul 2019 |
| Ballard Exploration Co., Inc. | Louisiana | 1,781 BBLs | 56,460 MCF | Jun 1982 - Sep 2018 |
| Ballard Petroleum Holdings LLC | Wyoming | 187,406 BBLs | 495,237 MCF | Jan 1978 - Dec 2019 |
| Ballard Petroleum Holdings, LLC | North Dakota | 7,083 BBLs | 10 MCF | May 2003 - Jul 2019 |
| Barrett Corporation* Bill | Colorado | 732,026 BBLs | 2,283,456 MCF | Mar 2002 - Jul 2019 |
| Bay Gas, LLC | Louisiana | 3,719 BBLs | 0 MCF | Dec 2003 - Sep 2018 |
| Bayless Producer LLC* Robert L | Colorado | 3,056 BBLs | 30,516 MCF | Jan 1999 - Jul 2019 |
| Bayou State Oil Corporation | Louisiana | 9,909 BBLs | 348 MCF | Jan 1977 - Sep 2018 |
| Bayswater Exploration & Production, LLC | Montana | 2,914 BBLs | 0 MCF | Aug 2006 - Jun 2019 |
| Bayswater Exploration And Production LLC | Colorado | 147,136 BBLs | 284,274 MCF | Jan 2008 - Jul 2019 |
| Bce-Mach LLC | Kansas | 14,074 BBLs | 357,206 MCF | Jun 2010 - May 2019 |
| Bean Resources, Inc | Mississippi | 3,529 BBLs | 33,573 MCF | Dec 1976 - Jul 2019 |
| Bear Petroleum, LLC | Kansas | 10,991 BBLs | 63,036 MCF | Jan 1980 - May 2019 |
| Becker Oil Corporation | Kansas | 5,108 BBLs | 59,631 MCF | Jan 1980 - May 2019 |
| Behm Energy, Inc. | Montana | 3,917 BBLs | 0 MCF | May 1996 - Jun 2019 |
| Belden And Blake Corp Dba Ward Lake Energy | Michigan | 456 BBLs | 387,816 MCF | Jun 1982 - Apr 2018 |
| Belle Exploration, Inc. | Louisiana | 2,954 BBLs | 0 MCF | Feb 1998 - Sep 2018 |
| Bennett & Schulte Oil Co., A General Partnership | Kansas | 4,269 BBLs | 0 MCF | Jan 1980 - May 2019 |
| Benson-Montin-Greer Drilling Corp | New Mexico | 7,624 BBLs | 61,548 MCF | Jan 1993 - Jan 2019 |
| Beren Corporation | Colorado | 2,480 BBLs | 0 MCF | Jan 1999 - Jul 2019 |
| Beren Corporation | Kansas | 3,327 BBLs | 27,717 MCF | Jan 1980 - May 2019 |
| Beren Corporation | Wyoming | 3,068 BBLs | 0 MCF | Jan 1978 - Dec 2019 |
| Berenergy Corporation | North Dakota | 20,523 BBLs | 994 MCF | May 2001 - Jul 2019 |
| Berenergy Corporation | Wyoming | 2,787 BBLs | 9,297 MCF | Jan 1978 - Dec 2019 |
| Berexco LLC | Kansas | 137,471 BBLs | 143,105 MCF | Jan 1980 - May 2019 |
| Berry Petroleum Company LLC | Utah | 100,363 BBLs | 676,507 MCF | Dec 2013 - Jul 2019 |
| Betsy Production Company, Inc | Arkansas | 17,041 BBLs | 455 MCF | Jan 2001 - Jul 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 | 4,256 BBLs | 0 MCF | Jan 2015 - Dec 2019 |
| Bird Dog Oil, LLC | Kansas | 2,792 BBLs | 0 MCF | May 2012 - May 2019 |
| Birk Petroleum | Kansas | 3,467 BBLs | 0 MCF | Jan 1980 - May 2019 |
| Black Bayou Operating, LLC | Louisiana | 8,904 BBLs | 0 MCF | Jan 2013 - Aug 2018 |
| Black Bear Oil Corporation | Wyoming | 14,936 BBLs | 24,525 MCF | Jan 1978 - Dec 2019 |
| Black Jack Oil Company., Inc. | Mississippi | 2,822 BBLs | 362 MCF | Jan 2018 - Jul 2019 |
| Black Oak Exploration | Kansas | 3,620 BBLs | 0 MCF | Oct 2013 - May 2019 |
| Black Warrior Methane Corp. | Alabama | 0 BBLs | 373,458 MCF | Feb 1982 - Jun 2019 |
| Blackbeard Operating, LLC | New Mexico | 4,077 BBLs | 44,063 MCF | Jan 2017 - Jan 2019 |
| Blake Exploration, LLC | Kansas | 3,021 BBLs | 0 MCF | Jun 1995 - May 2019 |
| Block T Operating, LLC | Alabama | 2,825 BBLs | 0 MCF | Dec 1945 - Jun 2019 |
| Blue Goose Drilling Company, Inc. | Kansas | 5,347 BBLs | 0 MCF | Jul 1985 - May 2019 |
| Bluecrest Alaska Operating LLC | Alaska | 44,075 BBLs | 225,563 MCF | Jan 2015 - Jul 2019 |
| Blueridge Petroleum Corporation | Kansas | 5,066 BBLs | 0 MCF | Jan 1980 - May 2019 |
| Boaz Rockies Operating LLC | Wyoming | 15,040 BBLs | 7,211 MCF | Jan 2018 - Dec 2019 |
| Bob Sibley | Louisiana | 4,053 BBLs | 6 MCF | Mar 1978 - Sep 2018 |
| Bobcat Oilfield Service, Inc. | Kansas | 5,618 BBLs | 0 MCF | Jan 2010 - May 2019 |