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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Bain Resources, Inc. | Montana | 2,169 BBLs | 758 MCF | May 2021 - Mar 2026 |
| Baird Oil Company LLC | Kansas | 3,200 BBLs | 0 MCF | Jan 1980 - Jan 2026 |
| Ballard Petroleum Holdings LLC | Wyoming | 212,985 BBLs | 504,494 MCF | Jan 1983 - Mar 2026 |
| Ballard Petroleum Holdings, LLC | North Dakota | 17,719 BBLs | 0 MCF | May 2003 - Mar 2026 |
| Bam Permian Operating, LLC | New Mexico | 6,852 BBLs | 27,143 MCF | Apr 2019 - Mar 2026 |
| Bareto Energy LLC | Wyoming | 26,018 BBLs | 0 MCF | Dec 2025 - Apr 2026 |
| Barn Owls LLC | Wyoming | 26,954 BBLs | 3,024 MCF | Jul 2022 - Mar 2026 |
| Barrett Corporation* Bill | Colorado | 153,689 BBLs | 915,500 MCF | Jan 1999 - Feb 2026 |
| Barton Exploration, Inc. | Kansas | 980 BBLs | 980 MCF | Jan 1980 - Jan 2026 |
| Bay Gas, LLC | Louisiana | 1,785 BBLs | 0 MCF | Nov 2003 - Dec 2024 |
| Bayless Producer LLC* Robert L | Colorado | 1,181 BBLs | 28,729 MCF | Jan 1999 - Feb 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 | 166,539 BBLs | 671,050 MCF | Jan 1999 - Feb 2026 |
| Bce-Mach III LLC | Kansas | 10,085 BBLs | 220,816 MCF | Jan 2020 - Jan 2026 |
| Bce-Mach III LLC | New Mexico | 5,342 BBLs | 9,275 MCF | Oct 2025 - Mar 2026 |
| Bce-Mach LLC | Kansas | 21,331 BBLs | 212,628 MCF | Jun 2010 - Jan 2026 |
| Bce-Mach LLC | Wyoming | 508 BBLs | 312,214 MCF | May 2025 - Mar 2026 |
| BCP Resources, LLC | New Mexico | 1,078 BBLs | 1,563 MCF | Feb 2024 - Mar 2026 |
| Bear Petroleum, LLC | Kansas | 4,934 BBLs | 9,193 MCF | Jan 1980 - Jan 2026 |
| Becker Oil Corporation | Kansas | 3,666 BBLs | 49,242 MCF | Jan 1980 - Jan 2026 |
| Beeman Oil & Gas LLC | Colorado | 2,905 BBLs | 14,792 MCF | Jan 1999 - Mar 2026 |
| Behm Energy, Inc. | Montana | 4,176 BBLs | 0 MCF | May 1996 - Apr 2026 |
| Bennett & Schulte Oil Co., A General Partnership | Kansas | 3,145 BBLs | 0 MCF | Jan 1980 - Jan 2026 |
| Benson-Montin-Greer Drilling Corp | New Mexico | 6,168 BBLs | 45,034 MCF | Jan 1993 - Apr 2026 |
| Beren Corporation | Colorado | 1,589 BBLs | 0 MCF | Jan 1999 - Mar 2026 |
| Beren Corporation | Kansas | 3,026 BBLs | 11,951 MCF | Jan 1980 - Jan 2026 |
| Beren Corporation | Wyoming | 1,479 BBLs | 0 MCF | Jan 1978 - Apr 2026 |
| Berenergy Corporation | North Dakota | 9,654 BBLs | 221 MCF | May 2001 - Apr 2026 |
| Berenergy Corporation | Wyoming | 2,304 BBLs | 3,229 MCF | Jan 1987 - Apr 2026 |
| Berexco LLC | Kansas | 131,250 BBLs | 76,512 MCF | Jan 1980 - Jan 2026 |
| Berry Petroleum Company LLC | Utah | 112,730 BBLs | 606,245 MCF | Dec 2013 - Mar 2026 |
| BG-5, Inc. | Kansas | 1,134 BBLs | 0 MCF | Jan 1980 - Jan 2026 |
| BHB Oil, Inc | Louisiana | 1,303 BBLs | 2,463 MCF | Sep 1985 - Dec 2024 |
| Big 'O' | Kansas | 1,630 BBLs | 0 MCF | Jan 1980 - Jan 2026 |
| Big Muddy Operating LLC | Wyoming | 2,898 BBLs | 0 MCF | Oct 2016 - Mar 2026 |
| Big Star Investments, LLC | New Mexico | 1,215 BBLs | 49 MCF | May 2022 - Mar 2026 |
| Bird Dog Oil, LLC | Kansas | 1,347 BBLs | 0 MCF | May 2012 - Jan 2026 |
| Birk Petroleum | Kansas | 1,304 BBLs | 0 MCF | Jan 1980 - Jan 2026 |
| Bison IV Operating LLC | Colorado | 1,460,899 BBLs | 3,835,650 MCF | Jan 1999 - Mar 2026 |
| Bison IV Operating LLC | Wyoming | 25,931 BBLs | 32,355 MCF | Mar 2023 - Mar 2026 |
| Black Bear Oil Corporation | Wyoming | 8,884 BBLs | 36,925 MCF | May 2003 - Mar 2026 |
| Black Jack Oil Company, Inc. | Mississippi | 2,368 BBLs | 87 MCF | Dec 1976 - Feb 2026 |
| Black Jack Operating, LLC | Louisiana | 2,981 BBLs | 18,211 MCF | Jun 2023 - Dec 2024 |
| Black Oak Exploration, LLC | Kansas | 3,299 BBLs | 320 MCF | Feb 2010 - Jan 2026 |
| Black Rock Resources, LLC | Kansas | 2,119 BBLs | 0 MCF | Jan 2010 - Jan 2026 |
| Black Warrior Methane Corp. | Alabama | 0 BBLs | 186,479 MCF | Feb 1982 - Mar 2026 |
| Block T Operating, LLC | Alabama | 2,147 BBLs | 0 MCF | Dec 1945 - Mar 2026 |
| Blue Dome Operating, LLC | Louisiana | 0 BBLs | 4,778,002 MCF | Jan 2019 - Dec 2024 |
| Blue Goose Drilling Company, Inc. | Kansas | 1,806 BBLs | 0 MCF | Jul 1985 - Jan 2026 |