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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Trans Pacific Oil Corporation | Kansas | 25,590 BBLs | 1,325 MCF | Jan 1980 - Apr 2026 |
| Tribar Resources LLC | Wyoming | 5,154 BBLs | 273 MCF | Jul 2023 - Jun 2026 |
| Trimble & Maclaskey Oil LLC | Kansas | 10,048 BBLs | 0 MCF | Jan 1980 - Apr 2026 |
| Trinity Operating (Usg), LLC | Louisiana | 0 BBLs | 11,032,457 MCF | Aug 2020 - Dec 2024 |
| Triple Crown Operating LLC | Kansas | 1,152 BBLs | 0 MCF | Feb 2015 - Apr 2026 |
| True Oil LLC | Colorado | 2,139 BBLs | 6,916 MCF | Jan 1999 - Jun 2026 |
| True Oil LLC | Montana | 7,056 BBLs | 4,925 MCF | Jan 1986 - Jun 2026 |
| True Oil LLC | North Dakota | 46,570 BBLs | 82,107 MCF | Jul 2002 - Jun 2026 |
| True Oil LLC | Wyoming | 51,220 BBLs | 40,963 MCF | Jan 1978 - Jun 2026 |
| Tuscola Energy Inc | Michigan | 1,757 BBLs | 0 MCF | Apr 2002 - Jun 2026 |
| U.D. Man, Inc. | Louisiana | 1,721 BBLs | 0 MCF | Aug 2021 - Dec 2024 |
| Uinta Wax Operating, LLC | Utah | 764,173 BBLs | 800,280 MCF | Sep 2021 - Jun 2026 |
| Union Gas Operating Company | Louisiana | 531 BBLs | 25,562 MCF | Sep 2007 - Dec 2024 |
| Union Valley Petroleum Corporation | Kansas | 1,771 BBLs | 16,131 MCF | Jan 1995 - Apr 2026 |
| United World Energy Corporation | Louisiana | 5,507 BBLs | 2,283 MCF | Jul 1993 - Dec 2024 |
| Unitex Oil & Gas, L.L.C. | New Mexico | 2,877 BBLs | 300 MCF | Oct 2018 - Jun 2026 |
| Urban Oil & Gas Group LLC | Wyoming | 19,485 BBLs | 1,957,747 MCF | Jan 2012 - Jun 2026 |
| Urban Oil & Gas Group, LLC | Utah | 0 BBLs | 1,890,757 MCF | Jul 2019 - Jun 2026 |
| Urban Oil And Gas Group LLC | Kansas | 1,250 BBLs | 638 MCF | Jan 1980 - Apr 2026 |
| Us Oil & Gas Inc | Utah | 5,957 BBLs | 2,101 MCF | Jul 1955 - Jun 2026 |
| Us Oil Resources LLC | Kansas | 2,783 BBLs | 0 MCF | Jun 2017 - Apr 2026 |
| Utah Gas Op LTD | Utah | 2,899 BBLs | 254,142 MCF | Feb 2018 - Jun 2026 |
| Utah Oil LLC | Kansas | 2,268 BBLs | 0 MCF | Jan 1980 - Apr 2026 |
| V & R Oil | Kansas | 1,309 BBLs | 0 MCF | Jan 1980 - Apr 2026 |
| V C P Michigan, LLC | Michigan | 704 BBLs | 312,128 MCF | Feb 2020 - Jun 2026 |
| V-F Petroleum Inc | New Mexico | 52,442 BBLs | 155,309 MCF | Jan 1993 - Jun 2026 |
| V. Francis Weigel Family Partnership LLC | Kansas | 2,688 BBLs | 0 MCF | Jan 1980 - Apr 2026 |
| Val Energy, Inc. | Kansas | 15,372 BBLs | 15,620 MCF | Jan 1980 - Apr 2026 |
| Valkyrie Operating LLC | Wyoming | 6,000 BBLs | 1,895 MCF | Sep 2018 - Jul 2026 |
| Valkyrie Operating, LLC | North Dakota | 4,923 BBLs | 5,038 MCF | Mar 2021 - Jun 2026 |
| Vamco Operations | Kansas | 1,735 BBLs | 1,125 MCF | Jan 1980 - Apr 2026 |
| Vaquero Uinta, LLC | Utah | 26,445 BBLs | 136,572 MCF | Jun 2021 - Jun 2026 |
| VCP Wyoming LLC | Wyoming | 6,918 BBLs | 0 MCF | Jun 2025 - Jun 2026 |
| Veenker Resources, Inc. | Kansas | 2,425 BBLs | 3,932 MCF | Jan 1980 - Apr 2026 |
| Venture Oil & Gas Inc. | Alabama | 3,960 BBLs | 4,135 MCF | Dec 1990 - Jun 2026 |
| Venture Oil & Gas Inc. | Mississippi | 127,208 BBLs | 604,739 MCF | Nov 1976 - May 2026 |
| Venture Resources, Inc. | Kansas | 9,830 BBLs | 0 MCF | Jan 1980 - Apr 2026 |
| Verdad Resources LLC | Colorado | 663,466 BBLs | 2,922,651 MCF | Jan 1999 - May 2026 |
| Verde Oil Company | Kansas | 1,836 BBLs | 0 MCF | Jan 1980 - Apr 2026 |
| Vernon E. Faulconer, Inc. | Louisiana | 364 BBLs | 21,593 MCF | May 1983 - Dec 2024 |
| Vess Oil Corporation | Kansas | 75,766 BBLs | 11,030 MCF | Jan 1980 - Apr 2026 |
| Viking Resources, Inc | Kansas | 2,549 BBLs | 0 MCF | Jan 1980 - Apr 2026 |
| Vincent Oil Corporation | Kansas | 19,186 BBLs | 20,346 MCF | Jan 1980 - Apr 2026 |
| Vonfeldt, Alan J | Kansas | 1,164 BBLs | 0 MCF | Jan 1980 - Apr 2026 |
| W B Osborn Oil And Gas Operations LTD | Michigan | 4,609 BBLs | 0 MCF | Dec 2010 - Jun 2026 |
| W&T Offshore, Inc. | Alabama | 118 BBLs | 563,110 MCF | Dec 1991 - Jun 2026 |
| W.D. Short Oil Co., LLC | Kansas | 2,283 BBLs | 0 MCF | Jan 1980 - Apr 2026 |
| Wagner Oil Company | Louisiana | 3,581 BBLs | 248 MCF | Jan 1999 - Dec 2024 |
| Wapiti Petroleum, LLC | Kansas | 1,394 BBLs | 2,040 MCF | Jan 2020 - Apr 2026 |
| Warhorse Petroleum Inc | Kansas | 3,002 BBLs | 0 MCF | Jan 2010 - Apr 2026 |