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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Ballard Petroleum Holdings, LLC | North Dakota | 13,971 BBLs | 0 MCF | May 2003 - May 2026 |
| Bam Permian Operating, LLC | New Mexico | 7,445 BBLs | 25,743 MCF | Apr 2019 - May 2026 |
| Bareto Energy LLC | Wyoming | 24,744 BBLs | 0 MCF | Dec 2025 - Jun 2026 |
| Barn Owls LLC | Wyoming | 39,655 BBLs | 6,297 MCF | Jul 2022 - Jun 2026 |
| Barnard Oil Operations | Kansas | 1,169 BBLs | 0 MCF | Jan 1980 - Apr 2026 |
| Barrett Corporation* Bill | Colorado | 173,872 BBLs | 1,009,092 MCF | Jan 1999 - May 2026 |
| Basgall Oil LLC | Kansas | 1,454 BBLs | 0 MCF | Jan 1980 - Apr 2026 |
| Bay Gas, LLC | Louisiana | 1,785 BBLs | 0 MCF | Nov 2003 - Dec 2024 |
| Bayless Producer LLC* Robert L | Colorado | 4,707 BBLs | 31,093 MCF | Jan 1999 - May 2026 |
| Bayou Bouillon Operating LLC | Louisiana | 34,155 BBLs | 16,425 MCF | Dec 2015 - Dec 2024 |
| Bayou State Oil Corporation | Louisiana | 8,458 BBLs | 647 MCF | Jan 1977 - Dec 2024 |
| Bayswater Exploration And Production LLC | Colorado | 144,170 BBLs | 606,159 MCF | Jan 1999 - May 2026 |
| Bce-Mach III LLC | Kansas | 11,286 BBLs | 218,404 MCF | Jan 2020 - Apr 2026 |
| Bce-Mach III LLC | New Mexico | 4,544 BBLs | 10,293 MCF | Oct 2025 - Jun 2026 |
| Bce-Mach LLC | Kansas | 20,409 BBLs | 228,324 MCF | Jun 2010 - Apr 2026 |
| Bce-Mach LLC | Wyoming | 402 BBLs | 314,778 MCF | May 2025 - Jun 2026 |
| Bear Petroleum, LLC | Kansas | 4,932 BBLs | 8,107 MCF | Jan 1980 - Apr 2026 |
| Becker Oil Corporation | Kansas | 3,408 BBLs | 55,094 MCF | Jan 1980 - Apr 2026 |
| Beeman Oil & Gas LLC | Colorado | 3,312 BBLs | 6,355 MCF | Jan 1999 - May 2026 |
| Behm Energy, Inc. | Montana | 3,841 BBLs | 0 MCF | May 1996 - May 2026 |
| Bennett & Schulte Oil Co., A General Partnership | Kansas | 2,831 BBLs | 0 MCF | Jan 1980 - Apr 2026 |
| Benson-Montin-Greer Drilling Corp | New Mexico | 4,734 BBLs | 43,169 MCF | Jan 1993 - Jun 2026 |
| Beren Corporation | Colorado | 1,322 BBLs | 0 MCF | Jan 1999 - May 2026 |
| Beren Corporation | Kansas | 2,882 BBLs | 12,668 MCF | Jan 1980 - Apr 2026 |
| Beren Corporation | Wyoming | 1,180 BBLs | 0 MCF | Jan 1978 - Jun 2026 |
| Berenergy Corporation | North Dakota | 9,001 BBLs | 208 MCF | May 2001 - May 2026 |
| Berenergy Corporation | Wyoming | 2,260 BBLs | 3,179 MCF | Jan 1987 - Jun 2026 |
| Berexco LLC | Kansas | 131,844 BBLs | 77,783 MCF | Jan 1980 - Apr 2026 |
| Berry Petroleum Company LLC | Utah | 105,426 BBLs | 607,235 MCF | Dec 2013 - Jun 2026 |
| BG-5, Inc. | Kansas | 1,309 BBLs | 0 MCF | Jan 1980 - Apr 2026 |
| BHB Oil, Inc | Louisiana | 1,303 BBLs | 2,463 MCF | Sep 1985 - Dec 2024 |
| Big 'O' | Kansas | 1,124 BBLs | 0 MCF | Jan 1980 - Apr 2026 |
| Big Muddy Operating LLC | Wyoming | 2,675 BBLs | 0 MCF | Oct 2016 - Jun 2026 |
| Big Star Investments, LLC | New Mexico | 1,776 BBLs | 49 MCF | May 2022 - May 2026 |
| Bird Dog Oil, LLC | Kansas | 2,613 BBLs | 0 MCF | May 2012 - Apr 2026 |
| Birk Petroleum | Kansas | 1,437 BBLs | 0 MCF | Jan 1980 - Apr 2026 |
| Bison IV Operating LLC | Colorado | 1,319,188 BBLs | 3,974,665 MCF | Jan 1999 - Jun 2026 |
| Bison IV Operating LLC | Wyoming | 21,733 BBLs | 27,862 MCF | Mar 2023 - Jun 2026 |
| Black Bear Oil Corporation | Wyoming | 8,745 BBLs | 37,343 MCF | May 2003 - Jun 2026 |
| Black Jack Operating, LLC | Louisiana | 2,981 BBLs | 18,211 MCF | Jun 2023 - Dec 2024 |
| Black Oak Exploration, LLC | Kansas | 4,174 BBLs | 0 MCF | Feb 2010 - Apr 2026 |
| Black Rock Resources, LLC | Kansas | 2,229 BBLs | 0 MCF | Jan 2010 - Apr 2026 |
| Black Warrior Methane Corp. | Alabama | 0 BBLs | 186,392 MCF | Feb 1982 - May 2026 |
| Block T Operating, LLC | Alabama | 1,511 BBLs | 0 MCF | Dec 1945 - May 2026 |
| Blue Dome Operating, LLC | Louisiana | 0 BBLs | 4,778,002 MCF | Jan 2019 - Dec 2024 |
| Blue Goose Drilling Company, Inc. | Kansas | 1,757 BBLs | 0 MCF | Jul 1985 - Apr 2026 |
| Bluecrest Alaska Operating LLC | Alaska | 13,815 BBLs | 14,166 MCF | Jan 2015 - Mar 2026 |
| Bluejacket Operating, LLC | Kansas | 1,313 BBLs | 0 MCF | Jan 2020 - Apr 2026 |
| Blueridge Petroleum Corporation | Kansas | 7,221 BBLs | 0 MCF | Jan 1980 - Apr 2026 |
| Bob Sibley | Louisiana | 1,695 BBLs | 6 MCF | Mar 1978 - Jan 2025 |