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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| 1876 Resources LLC | Colorado | 19,985 BBLs | 244,484 MCF | Jun 2016 - Nov 2025 |
| 1876 Resources LLC | Wyoming | 216,244 BBLs | 423,642 MCF | Nov 2021 - Oct 2025 |
| 3R Operating, LLC | New Mexico | 134,703 BBLs | 501,592 MCF | Jul 2023 - Nov 2025 |
| 442 Operating La, LLC | Louisiana | 3,868 BBLs | 15,416 MCF | Aug 2023 - Dec 2024 |
| A&S Mineral Development Company, LLC | Montana | 5,076 BBLs | 792 MCF | Mar 2021 - Nov 2025 |
| A. B. Energy LLC | Montana | 302 BBLs | 53,061 MCF | Oct 2011 - Nov 2025 |
| Aas Oil Co., Inc. | Kansas | 1,439 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| Abercrombie Energy, LLC | Kansas | 9,387 BBLs | 11,754 MCF | Jan 1980 - Sep 2025 |
| Abundance Energy Services LLC | Colorado | 0 BBLs | 490,029 MCF | Jan 1999 - Oct 2025 |
| Ace Energy, LLC | Mississippi | 4,261 BBLs | 8,594 MCF | Jun 1986 - Oct 2025 |
| Acierto Resources Company, LLC | Louisiana | 2,533 BBLs | 0 MCF | Feb 2017 - Dec 2024 |
| Acp Energy Corporation | North Dakota | 1,717 BBLs | 607 MCF | Oct 2025 - Nov 2025 |
| Ad Astra Resources LLC | New Mexico | 2,971 BBLs | 5,899 MCF | Aug 2024 - Nov 2025 |
| Ad Astra Resourcesllc | Mississippi | 1,525 BBLs | 0 MCF | Jan 2024 - Nov 2025 |
| Adams H D LLC | Wyoming | 4,657 BBLs | 0 MCF | Jan 1986 - Nov 2025 |
| Addie, James & John Thornton | Louisiana | 3,064 BBLs | 0 MCF | Aug 1990 - Dec 2024 |
| Aethon Energy Operating LLC | Wyoming | 7,327 BBLs | 778,181 MCF | Jun 2015 - Oct 2025 |
| Agricultural Energy Services | Kansas | 990 BBLs | 15,517 MCF | Jan 1980 - Sep 2025 |
| Agv Corp. | Kansas | 1,281 BBLs | 11,769 MCF | Jan 1980 - Sep 2025 |
| Aldine Oil And Gas, LP | Louisiana | 18,573 BBLs | 217,657 MCF | Apr 2023 - Jan 2025 |
| Allam Production, Inc. | Kansas | 1,456 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| Allen Brothers | Louisiana | 5,201 BBLs | 0 MCF | Jan 1977 - Dec 2024 |
| Altavista Energy, Inc. | Kansas | 3,866 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| American Warrior, Inc. | Kansas | 60,987 BBLs | 38,123 MCF | Jan 1980 - Sep 2025 |
| Amplify Energy Operating LLC | Louisiana | 567 BBLs | 62,179 MCF | Jun 2017 - Dec 2024 |
| Amplify Energy Operating LLC | Wyoming | 84,364 BBLs | 4,997,998 MCF | Jun 2017 - Oct 2025 |
| Anadarko E&P Onshore LLC | Wyoming | 426,761 BBLs | 1,175,894 MCF | Aug 1992 - Oct 2025 |
| Anschutz Exploration Corp | Colorado | 13,062 BBLs | 82,064 MCF | Jan 1999 - Oct 2025 |
| Anschutz Exploration Corporation | Utah | 66,600 BBLs | 771,103 MCF | Apr 2018 - Nov 2025 |
| Anschutz Exploration Corporation | Wyoming | 1,241,587 BBLs | 4,530,234 MCF | Nov 1997 - Oct 2025 |
| Anstine & Musgrove Inc. | Kansas | 4,113 BBLs | 0 MCF | Jan 1980 - Sep 2025 |
| Apache Corporation | New Mexico | 101,758 BBLs | 231,260 MCF | Jan 1993 - Nov 2025 |
| Apollo Energies, Inc. | Kansas | 1,883 BBLs | 6,380 MCF | Jan 1980 - Sep 2025 |
| Apollo Energy Operating Company, LP | Louisiana | 4,242 BBLs | 7,431 MCF | Apr 2011 - Dec 2024 |
| Arcadian Resources, LLC | Kansas | 1,282 BBLs | 8 MCF | Jan 2010 - Sep 2025 |
| Arena Resources LLC | Wyoming | 21,745 BBLs | 20,306 MCF | Aug 2023 - Oct 2025 |
| Aria Operating LLC | Mississippi | 3,132 BBLs | 0 MCF | Jan 2023 - Oct 2025 |
| Armstrong Energy Corp | New Mexico | 23,913 BBLs | 49,814 MCF | Jan 1993 - Nov 2025 |
| Armstrong Operating, Inc. | North Dakota | 4,539 BBLs | 2,223 MCF | Jun 1995 - Nov 2025 |
| Arp Operating, LLC | Kansas | 2,096 BBLs | 0 MCF | Jan 2010 - Sep 2025 |
| Arp Production Company, LLC | Alabama | 0 BBLs | 362,855 MCF | May 1989 - Oct 2025 |
| Atlas Operating LLC | Kansas | 1,777 BBLs | 10,706 MCF | Jan 1980 - Sep 2025 |
| Atx Energy Partners LLC | Wyoming | 4,761 BBLs | 5,759 MCF | Jan 2018 - Oct 2025 |
| Australis TMS Inc. | Mississippi | 13,266 BBLs | 9,076 MCF | Dec 2007 - Nov 2025 |
| Avant Operating II, LLC | New Mexico | 10,856 BBLs | 22,193 MCF | Aug 2025 - Nov 2025 |
| Avant Operating, LLC | New Mexico | 516,857 BBLs | 1,535,659 MCF | Jan 2022 - Nov 2025 |
| Axis Exploration LLC | Colorado | 23,526 BBLs | 95,694 MCF | Jan 1999 - Oct 2025 |
| Azariah Operating, LLC | New Mexico | 1,024 BBLs | 2,545 MCF | Sep 2025 - Nov 2025 |
| Aztec Oil Operating LLC | Kansas | 6,252 BBLs | 297 MCF | Jan 2010 - Sep 2025 |
| Azul Operating, LLC | Louisiana | 0 BBLs | 2,660,194 MCF | Nov 2023 - Dec 2024 |