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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Three Forks Resources, LLC | New Mexico | 2,946 BBLs | 4,371 MCF | Feb 2008 - Jul 2026 |
| Three Sisters Petroleum, Inc. | Louisiana | 11,506 BBLs | 0 MCF | Sep 1990 - Jan 2025 |
| Thresher Energy, Inc. | Kansas | 1,612 BBLs | 0 MCF | Jan 2020 - Jun 2026 |
| TMR Exploration, Inc. | Louisiana | 13,654 BBLs | 11,963 MCF | Dec 1985 - Dec 2024 |
| Toc Oil Inc | Wyoming | 7,967 BBLs | 11,330 MCF | Mar 2019 - Aug 2026 |
| Toc Oil, Inc | Utah | 2,097 BBLs | 0 MCF | Nov 2018 - Aug 2026 |
| Tomahawk Oil Company, Inc. | Montana | 3,701 BBLs | 0 MCF | Jan 1991 - Jul 2026 |
| TR Operating LLC | Wyoming | 4,209 BBLs | 0 MCF | Oct 2006 - Aug 2026 |
| Trans Pacific Oil Corporation | Kansas | 19,645 BBLs | 1,314 MCF | Jan 1980 - Jun 2026 |
| Tri United, Inc | Kansas | 1,722 BBLs | 0 MCF | Jan 1980 - Jun 2026 |
| Tribar Resources LLC | Wyoming | 5,256 BBLs | 235 MCF | Jul 2023 - Aug 2026 |
| Trimble & Maclaskey Oil LLC | Kansas | 8,727 BBLs | 0 MCF | Jan 1980 - Jun 2026 |
| Trinity Operating (Usg), LLC | Louisiana | 0 BBLs | 11,032,457 MCF | Aug 2020 - Dec 2024 |
| True Oil LLC | Colorado | 1,007 BBLs | 921 MCF | Jan 1999 - Aug 2026 |
| True Oil LLC | Montana | 6,231 BBLs | 4,723 MCF | Jan 1986 - Jul 2026 |
| True Oil LLC | North Dakota | 36,738 BBLs | 68,347 MCF | Jul 2002 - Jul 2026 |
| True Oil LLC | Wyoming | 49,252 BBLs | 72,901 MCF | Jan 1978 - Aug 2026 |
| U.D. Man, Inc. | Louisiana | 1,721 BBLs | 0 MCF | Aug 2021 - Dec 2024 |
| Uinta Wax Operating, LLC | Utah | 920,708 BBLs | 875,844 MCF | Sep 2021 - Jul 2026 |
| Union Gas Operating Company | Louisiana | 531 BBLs | 25,562 MCF | Sep 2007 - Dec 2024 |
| Union Valley Petroleum Corporation | Kansas | 1,752 BBLs | 15,724 MCF | Jan 1995 - Jun 2026 |
| United World Energy Corporation | Louisiana | 5,507 BBLs | 2,283 MCF | Jul 1993 - Dec 2024 |
| Unitex Oil & Gas, L.L.C. | New Mexico | 2,947 BBLs | 310 MCF | Oct 2018 - Aug 2026 |
| Urban Oil & Gas Group LLC | Wyoming | 19,530 BBLs | 2,005,042 MCF | Jan 2012 - Aug 2026 |
| Urban Oil & Gas Group, LLC | Utah | 0 BBLs | 1,902,966 MCF | Jul 2019 - Jul 2026 |
| Urban Oil And Gas Group LLC | Kansas | 961 BBLs | 616 MCF | Jan 1980 - Jun 2026 |
| Us Oil & Gas Inc | Utah | 6,077 BBLs | 2,229 MCF | Jul 1955 - Aug 2026 |
| Us Oil Resources LLC | Kansas | 1,634 BBLs | 0 MCF | Jun 2017 - Jun 2026 |
| Utah Gas Op LTD | Utah | 2,568 BBLs | 297,257 MCF | Feb 2018 - Jul 2026 |
| Utah Oil LLC | Kansas | 1,794 BBLs | 0 MCF | Jan 1980 - Jun 2026 |
| V-F Petroleum Inc | New Mexico | 50,052 BBLs | 311,370 MCF | Jan 1993 - Jul 2026 |
| V. Francis Weigel Family Partnership LLC | Kansas | 1,894 BBLs | 0 MCF | Jan 1980 - Jun 2026 |
| Val Energy, Inc. | Kansas | 13,643 BBLs | 16,742 MCF | Jan 1980 - Jun 2026 |
| Valkyrie Operating LLC | Wyoming | 6,697 BBLs | 1,329 MCF | Sep 2018 - Aug 2026 |
| Valkyrie Operating, LLC | North Dakota | 4,580 BBLs | 4,239 MCF | Mar 2021 - Jul 2026 |
| Vamco Operations | Kansas | 1,268 BBLs | 1,054 MCF | Jan 1980 - Jun 2026 |
| Vaquero Uinta, LLC | Utah | 27,051 BBLs | 138,462 MCF | Jun 2021 - Jul 2026 |
| VCP Wyoming LLC | Wyoming | 7,284 BBLs | 0 MCF | Jun 2025 - Aug 2026 |
| Veenker Resources, Inc. | Kansas | 1,179 BBLs | 3,790 MCF | Jan 1980 - Jun 2026 |
| Venture Oil & Gas Inc. | Alabama | 3,805 BBLs | 4,125 MCF | Dec 1990 - Jul 2026 |
| Venture Oil & Gas Inc. | Mississippi | 40,020 BBLs | 452,747 MCF | Nov 1976 - Aug 2026 |
| Venture Resources, Inc. | Kansas | 8,472 BBLs | 0 MCF | Jan 1980 - Jun 2026 |
| Verdad Resources LLC | Colorado | 588,137 BBLs | 2,761,839 MCF | Jan 1999 - Jul 2026 |
| Verde Oil Company | Kansas | 1,791 BBLs | 0 MCF | Jan 1980 - Jun 2026 |
| Vernon E. Faulconer, Inc. | Louisiana | 364 BBLs | 21,593 MCF | May 1983 - Dec 2024 |
| Vess Oil Corporation | Kansas | 72,596 BBLs | 11,376 MCF | Jan 1980 - Jun 2026 |
| Viking Resources, Inc | Kansas | 1,680 BBLs | 0 MCF | Jan 1980 - Jun 2026 |
| Vincent Oil Corporation | Kansas | 18,269 BBLs | 23,705 MCF | Jan 1980 - Jun 2026 |
| Vonfeldt, Alan J | Kansas | 959 BBLs | 0 MCF | Jan 1980 - Jun 2026 |
| W&T Offshore, Inc. | Alabama | 226 BBLs | 587,085 MCF | Dec 1991 - Jul 2026 |