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| Operator | Operating State | Recent Oil Production | Recent Gas Production | Production Dates on File |
|---|---|---|---|---|
| Tomahawk Oil Company, Inc. | Montana | 3,613 BBLs | 0 MCF | Jan 1991 - Apr 2026 |
| TR Operating LLC | Wyoming | 3,367 BBLs | 0 MCF | Oct 2006 - May 2026 |
| Trans Pacific Oil Corporation | Kansas | 20,588 BBLs | 1,563 MCF | Jan 1980 - Mar 2026 |
| Tribar Resources LLC | Wyoming | 5,272 BBLs | 326 MCF | Jul 2023 - May 2026 |
| Trimble & Maclaskey Oil LLC | Kansas | 6,696 BBLs | 0 MCF | Jan 1980 - Mar 2026 |
| Trinity Operating (Usg), LLC | Louisiana | 0 BBLs | 11,032,457 MCF | Aug 2020 - Dec 2024 |
| True Oil LLC | Colorado | 2,430 BBLs | 5,944 MCF | Jan 1999 - Apr 2026 |
| True Oil LLC | Montana | 5,941 BBLs | 4,142 MCF | Jan 1986 - Apr 2026 |
| True Oil LLC | North Dakota | 46,570 BBLs | 82,107 MCF | Jul 2002 - May 2026 |
| True Oil LLC | Wyoming | 53,849 BBLs | 54,226 MCF | Jan 1978 - May 2026 |
| U.D. Man, Inc. | Louisiana | 1,721 BBLs | 0 MCF | Aug 2021 - Dec 2024 |
| Uinta Wax Operating, LLC | Utah | 668,961 BBLs | 790,807 MCF | Sep 2021 - Apr 2026 |
| Union Gas Operating Company | Louisiana | 531 BBLs | 25,562 MCF | Sep 2007 - Dec 2024 |
| Union Valley Petroleum Corporation | Kansas | 1,046 BBLs | 14,796 MCF | Jan 1995 - Mar 2026 |
| United World Energy Corporation | Louisiana | 5,507 BBLs | 2,283 MCF | Jul 1993 - Dec 2024 |
| Unitex Oil & Gas, L.L.C. | New Mexico | 2,676 BBLs | 300 MCF | Oct 2018 - May 2026 |
| Urban Oil & Gas Group LLC | Wyoming | 16,594 BBLs | 1,734,428 MCF | Jan 2012 - May 2026 |
| Urban Oil & Gas Group, LLC | Utah | 0 BBLs | 1,969,683 MCF | Jul 2019 - Apr 2026 |
| Us Oil & Gas Inc | Utah | 5,888 BBLs | 2,207 MCF | Jul 1955 - May 2026 |
| Us Oil Resources LLC | Kansas | 1,942 BBLs | 0 MCF | Jun 2017 - Mar 2026 |
| Utah Gas Op LTD | Utah | 2,439 BBLs | 204,275 MCF | Feb 2018 - Apr 2026 |
| Utah Oil LLC | Kansas | 1,728 BBLs | 0 MCF | Jan 1980 - Mar 2026 |
| V C P Michigan, LLC | Michigan | 487 BBLs | 299,737 MCF | Feb 2020 - Apr 2026 |
| V-F Petroleum Inc | New Mexico | 37,808 BBLs | 141,649 MCF | Jan 1993 - Apr 2026 |
| V. Francis Weigel Family Partnership LLC | Kansas | 2,076 BBLs | 0 MCF | Jan 1980 - Mar 2026 |
| Val Energy, Inc. | Kansas | 13,843 BBLs | 16,164 MCF | Jan 1980 - Mar 2026 |
| Valkyrie Operating LLC | Wyoming | 5,025 BBLs | 1,951 MCF | Sep 2018 - May 2026 |
| Valkyrie Operating, LLC | North Dakota | 4,923 BBLs | 5,038 MCF | Mar 2021 - May 2026 |
| Vamco Operations | Kansas | 1,431 BBLs | 924 MCF | Jan 1980 - Mar 2026 |
| Vaquero Uinta, LLC | Utah | 27,149 BBLs | 142,063 MCF | Jun 2021 - Apr 2026 |
| VCP Wyoming LLC | Wyoming | 6,778 BBLs | 0 MCF | Jun 2025 - Apr 2026 |
| Veenker Resources, Inc. | Kansas | 1,792 BBLs | 3,295 MCF | Jan 1980 - Mar 2026 |
| Ventex Operating Corp. | Alabama | 975 BBLs | 370 MCF | Nov 1990 - Mar 2026 |
| Venture Oil & Gas Inc. | Alabama | 3,520 BBLs | 3,573 MCF | Dec 1990 - Mar 2026 |
| Venture Oil & Gas Inc. | Mississippi | 77,094 BBLs | 115,738 MCF | Nov 1976 - Apr 2026 |
| Venture Resources, Inc. | Kansas | 7,908 BBLs | 0 MCF | Jan 1980 - Mar 2026 |
| Verdad Resources LLC | Colorado | 759,328 BBLs | 3,081,138 MCF | Jan 1999 - Mar 2026 |
| Verde Oil Company | Kansas | 1,961 BBLs | 0 MCF | Jan 1980 - Mar 2026 |
| Vernon E. Faulconer, Inc. | Louisiana | 364 BBLs | 21,593 MCF | May 1983 - Dec 2024 |
| Vess Oil Corporation | Kansas | 71,574 BBLs | 9,593 MCF | Jan 1980 - Mar 2026 |
| Viking Resources, Inc | Kansas | 1,854 BBLs | 0 MCF | Jan 1980 - Mar 2026 |
| Vincent Oil Corporation | Kansas | 18,272 BBLs | 20,837 MCF | Jan 1980 - Mar 2026 |
| Vision Energy LLC | Colorado | 25 BBLs | 28,779 MCF | Jan 1999 - Mar 2026 |
| W B Osborn Oil And Gas Operations LTD | Michigan | 3,628 BBLs | 0 MCF | Dec 2010 - May 2026 |
| W&T Offshore, Inc. | Alabama | 582 BBLs | 469,883 MCF | Dec 1991 - Mar 2026 |
| W.D. Short Oil Co., LLC | Kansas | 2,605 BBLs | 0 MCF | Jan 1980 - Mar 2026 |
| Wagner Oil Company | Louisiana | 3,581 BBLs | 248 MCF | Jan 1999 - Dec 2024 |
| Wapiti Operating, LLC | New Mexico | 0 BBLs | 924,897 MCF | Nov 2019 - Apr 2026 |
| Wapiti Operating, LLC | Utah | 4,418 BBLs | 874,870 MCF | Jul 2013 - Apr 2026 |
| Wapiti Petroleum, LLC | Kansas | 1,116 BBLs | 2,297 MCF | Jan 2020 - Mar 2026 |