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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| 1876 Resources LLC | Colorado | 13,969 BBLs | 217,691 MCF | Jun 2016 - Jan 2026 |
| 1876 Resources LLC | Wyoming | 274,997 BBLs | 481,891 MCF | Nov 2021 - Feb 2026 |
| 325 Energy Operations, LLC | Kansas | 1,954 BBLs | 0 MCF | Jan 2020 - Dec 2025 |
| 442 Operating La, LLC | Louisiana | 3,868 BBLs | 15,416 MCF | Aug 2023 - Dec 2024 |
| A&S Mineral Development Company, LLC | Montana | 3,721 BBLs | 547 MCF | Mar 2021 - Mar 2026 |
| A. B. Energy LLC | Montana | 278 BBLs | 49,946 MCF | Oct 2011 - Feb 2026 |
| Abercrombie Energy, LLC | Kansas | 9,399 BBLs | 11,141 MCF | Jan 1980 - Dec 2025 |
| Abundance Energy Services LLC | Colorado | 0 BBLs | 532,006 MCF | Jan 1999 - Jan 2026 |
| Ace Energy, LLC | Mississippi | 2,372 BBLs | 3,956 MCF | Jun 1986 - Jan 2026 |
| Ace Oil Company | Kansas | 1,304 BBLs | 0 MCF | Jan 1980 - Dec 2025 |
| Acierto Resources Company, LLC | Louisiana | 2,533 BBLs | 0 MCF | Feb 2017 - Dec 2024 |
| Acp Energy Corporation | North Dakota | 1,111 BBLs | 571 MCF | Oct 2025 - Feb 2026 |
| Ad Astra Resources LLC | New Mexico | 3,473 BBLs | 13,176 MCF | Aug 2024 - Feb 2026 |
| Ad Astra Resources,LLC | Mississippi | 1,292 BBLs | 0 MCF | Jan 2024 - Jan 2026 |
| Adams H D LLC | Wyoming | 4,919 BBLs | 0 MCF | Jan 1986 - Feb 2026 |
| Addie, James & John Thornton | Louisiana | 3,064 BBLs | 0 MCF | Aug 1990 - Dec 2024 |
| Aethon Energy Operating LLC | Wyoming | 6,937 BBLs | 850,500 MCF | Jun 2015 - Jan 2026 |
| Agricultural Energy Services | Kansas | 939 BBLs | 19,610 MCF | Jan 1980 - Dec 2025 |
| Agv Corp. | Kansas | 1,454 BBLs | 13,966 MCF | Jan 1980 - Dec 2025 |
| Ainsworth Operating Co. | Kansas | 1,118 BBLs | 0 MCF | May 1980 - Dec 2025 |
| Aldine Oil And Gas, LP | Louisiana | 18,573 BBLs | 217,657 MCF | Apr 2023 - Jan 2025 |
| Allam Production, Inc. | Kansas | 1,292 BBLs | 0 MCF | Jan 1980 - Dec 2025 |
| Allen Brothers | Louisiana | 5,201 BBLs | 0 MCF | Jan 1977 - Dec 2024 |
| Altavista Energy, Inc. | Kansas | 3,344 BBLs | 0 MCF | Jan 1980 - Dec 2025 |
| American Warrior, Inc. | Kansas | 58,528 BBLs | 37,362 MCF | Jan 1980 - Dec 2025 |
| Amplify Energy Operating LLC | Louisiana | 567 BBLs | 62,179 MCF | Jun 2017 - Dec 2024 |
| Amplify Energy Operating LLC | Wyoming | 81,021 BBLs | 4,808,791 MCF | Jun 2017 - Jan 2026 |
| Anadarko E&P Onshore LLC | Wyoming | 350,285 BBLs | 992,621 MCF | Aug 1992 - Feb 2026 |
| Anschutz Exploration Corp | Colorado | 18,862 BBLs | 93,332 MCF | Jan 1999 - Jan 2026 |
| Anschutz Exploration Corporation | Utah | 33,230 BBLs | 588,134 MCF | Apr 2018 - Feb 2026 |
| Anschutz Exploration Corporation | Wyoming | 1,157,548 BBLs | 3,926,095 MCF | Nov 1997 - Jan 2026 |
| Anstine & Musgrove Inc. | Kansas | 3,738 BBLs | 0 MCF | Jan 1980 - Dec 2025 |
| Apache Corporation | New Mexico | 72,791 BBLs | 114,922 MCF | Jan 1993 - Feb 2026 |
| Apollo Energies, Inc. | Kansas | 2,282 BBLs | 7,905 MCF | Jan 1980 - Dec 2025 |
| Apollo Energy Operating Company, LP | Louisiana | 4,242 BBLs | 7,431 MCF | Apr 2011 - Dec 2024 |
| Arcadian Resources, LLC | Kansas | 1,465 BBLs | 0 MCF | Jan 2010 - Dec 2025 |
| Arena Resources LLC | Wyoming | 17,817 BBLs | 20,248 MCF | Aug 2023 - Jan 2026 |
| Aria Operating, LLC | Mississippi | 1,486 BBLs | 0 MCF | Jan 2023 - Jan 2026 |
| Armstrong Energy Corp | New Mexico | 17,529 BBLs | 47,100 MCF | Jan 1993 - Feb 2026 |
| Armstrong Operating, Inc. | Montana | 984 BBLs | 44 MCF | Feb 1995 - Feb 2026 |
| Armstrong Operating, Inc. | North Dakota | 3,629 BBLs | 1,818 MCF | Jun 1995 - Feb 2026 |
| Arp Operating, LLC | Kansas | 1,139 BBLs | 0 MCF | Jan 2010 - Dec 2025 |
| Arp Production Company, LLC | Alabama | 0 BBLs | 363,593 MCF | May 1989 - Jan 2026 |
| Atlas Operating LLC | Kansas | 1,263 BBLs | 10,351 MCF | Jan 1980 - Dec 2025 |
| Atlas Operating LLC | New Mexico | 1,634 BBLs | 6,514 MCF | Nov 2024 - Feb 2026 |
| Atx Energy Partners LLC | Wyoming | 4,952 BBLs | 5,540 MCF | Jan 2018 - Jan 2026 |
| Avant Operating II, LLC | New Mexico | 8,405 BBLs | 17,897 MCF | Aug 2025 - Feb 2026 |
| Axis Exploration LLC | Colorado | 19,968 BBLs | 84,306 MCF | Jan 1999 - Jan 2026 |
| Aztec Oil Operating LLC | Kansas | 5,069 BBLs | 261 MCF | Jan 2010 - Dec 2025 |
| Azul Operating, LLC | Louisiana | 0 BBLs | 2,660,194 MCF | Nov 2023 - Dec 2024 |