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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Balidor Oil & Gas LLC | Wyoming | 34,058 BBLs | 88,557 MCF | Jan 2016 - Dec 2019 |
| Balko, Inc. | Montana | 3,041 BBLs | 9,011 MCF | Jan 1991 - Aug 2019 |
| Ballantyne Oil, LLC | North Dakota | 33,933 BBLs | 8,314 MCF | Jul 2010 - Oct 2019 |
| Ballard Exploration Co., Inc. | Louisiana | 1,781 BBLs | 56,460 MCF | Jun 1982 - Sep 2018 |
| Ballard Petroleum Holdings LLC | Wyoming | 202,156 BBLs | 482,723 MCF | Jan 1978 - Dec 2019 |
| Ballard Petroleum Holdings, LLC | North Dakota | 6,851 BBLs | 9 MCF | May 2003 - Oct 2019 |
| Barrett Corporation* Bill | Colorado | 990,021 BBLs | 2,634,352 MCF | Mar 2002 - Sep 2019 |
| Bay Gas, LLC | Louisiana | 3,719 BBLs | 0 MCF | Dec 2003 - Sep 2018 |
| Bayless Producer LLC* Robert L | Colorado | 3,067 BBLs | 22,342 MCF | Jan 1999 - Sep 2019 |
| Bayou State Oil Corporation | Louisiana | 9,909 BBLs | 348 MCF | Jan 1977 - Sep 2018 |
| Bayswater Exploration & Production, LLC | Montana | 2,952 BBLs | 3,220 MCF | Aug 2006 - Jun 2019 |
| Bayswater Exploration And Production LLC | Colorado | 205,901 BBLs | 545,883 MCF | Jan 2008 - Sep 2019 |
| Bce-Mach LLC | Kansas | 13,034 BBLs | 315,888 MCF | Jun 2010 - Jul 2019 |
| Bean Resources, Inc | Mississippi | 3,592 BBLs | 34,707 MCF | Dec 1976 - Sep 2019 |
| Bear Petroleum, LLC | Kansas | 11,273 BBLs | 60,077 MCF | Jan 1980 - Jul 2019 |
| Becker Oil Corporation | Kansas | 4,165 BBLs | 61,570 MCF | Jan 1980 - Jul 2019 |
| Behm Energy, Inc. | Montana | 4,249 BBLs | 0 MCF | May 1996 - Jun 2019 |
| Belden And Blake Corp Dba Ward Lake Energy | Michigan | 524 BBLs | 360,797 MCF | Jun 1982 - Jul 2019 |
| Belle Exploration, Inc. | Louisiana | 2,954 BBLs | 0 MCF | Feb 1998 - Sep 2018 |
| Bennett & Schulte Oil Co., A General Partnership | Kansas | 4,619 BBLs | 0 MCF | Jan 1980 - Jul 2019 |
| Benson-Montin-Greer Drilling Corp | New Mexico | 9,987 BBLs | 58,174 MCF | Jan 1993 - Jan 2019 |
| Beren Corporation | Kansas | 4,004 BBLs | 24,809 MCF | Jan 1980 - Jul 2019 |
| Berenergy Corporation | North Dakota | 19,147 BBLs | 930 MCF | May 2001 - Sep 2019 |
| Berenergy Corporation | Wyoming | 2,491 BBLs | 9,076 MCF | Jan 1978 - Dec 2019 |
| Berexco LLC | Kansas | 146,231 BBLs | 168,480 MCF | Jan 1980 - Jul 2019 |
| Berry Petroleum Company LLC | Utah | 96,881 BBLs | 707,534 MCF | Dec 2013 - Sep 2019 |
| Betsy Production Company, Inc | Arkansas | 17,090 BBLs | 361 MCF | Jan 2001 - Oct 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 |
| Bickle Energies LLC | Kansas | 2,275 BBLs | 0 MCF | Jan 2010 - Jul 2019 |
| Big 'O' | Kansas | 2,197 BBLs | 0 MCF | Jan 1980 - Jul 2019 |
| Big Muddy Operating LLC | Wyoming | 4,779 BBLs | 0 MCF | Jan 2015 - Dec 2019 |
| Bird Dog Oil, LLC | Kansas | 5,268 BBLs | 0 MCF | May 2012 - Jul 2019 |
| Birk Petroleum | Kansas | 3,481 BBLs | 0 MCF | Jan 1980 - Jul 2019 |
| Black Bayou Operating, LLC | Louisiana | 8,904 BBLs | 0 MCF | Jan 2013 - Aug 2018 |
| Black Bear Oil Corporation | Wyoming | 13,889 BBLs | 22,315 MCF | Jan 1978 - Dec 2019 |
| Black Jack Oil Company., Inc. | Mississippi | 3,323 BBLs | 546 MCF | Jan 2018 - Aug 2019 |
| Black Warrior Methane Corp. | Alabama | 0 BBLs | 365,283 MCF | Feb 1982 - Aug 2019 |
| Blackbeard Operating, LLC | New Mexico | 4,265 BBLs | 68,083 MCF | Jan 2017 - Jan 2019 |
| Blake Exploration, LLC | Kansas | 2,699 BBLs | 0 MCF | Jun 1995 - Jul 2019 |
| Blake Production Co., Inc. | Kansas | 2,308 BBLs | 0 MCF | Jan 1980 - Jul 2019 |
| Block T Operating, LLC | Alabama | 2,720 BBLs | 0 MCF | Dec 1945 - Aug 2019 |
| Blue Goose Drilling Company, Inc. | Kansas | 4,974 BBLs | 0 MCF | Jul 1985 - Jul 2019 |
| Bluecrest Alaska Operating LLC | Alaska | 38,129 BBLs | 163,652 MCF | Jan 2015 - Sep 2019 |
| Blueridge Petroleum Corporation | Kansas | 6,298 BBLs | 0 MCF | Jan 1980 - Jul 2019 |
| Boaz Rockies Operating LLC | Wyoming | 14,617 BBLs | 6,849 MCF | Jan 2018 - Dec 2019 |
| Bob Sibley | Louisiana | 4,053 BBLs | 6 MCF | Mar 1978 - Sep 2018 |
| Bobcat Oilfield Service, Inc. | Kansas | 5,687 BBLs | 0 MCF | Jan 2010 - Jul 2019 |
| Bonanza Creek Energy Operating Company LLC | Colorado | 612,769 BBLs | 2,063,948 MCF | Apr 1999 - Sep 2019 |