| 40701 | UL WASH PARK 2 | Andrews County, TX | Oil & Gas Property | May 2025 |
| 40702 | UL WAYLON | Upton County, TX | Oil & Gas Property | May 2025 |
| 40703 | UL WILLIE | Upton County, TX | Oil & Gas Property | May 2025 |
| 40704 | UL WILLOW 383633-16 | Ward County, TX | Oil & Gas Property | May 2025 |
| 40705 | UL WTG 3-233 | Reagan County, TX | Oil & Gas Property | May 2025 |
| 40706 | UL YELLOWTAIL | Winkler County, TX | Oil & Gas Property | May 2025 |
| 40707 | UL13 KEENE | Andrews County, TX | Oil & Gas Property | Apr 2025 |
| 40708 | ULANDS 48 | Reagan County, TX | Oil & Gas Property | May 2025 |
| 40709 | ULLMAN | Gonzales County, TX | Oil & Gas Property | May 2025 |
| 40710 | ULLRICH 'A' | Lee County, TX | Oil & Gas Property | May 2025 |
| 40711 | ULRICH | Dewitt County, TX | Oil & Gas Property | May 2025 |
| 40712 | ULRICH A - WILLIAMS A SA 1 1H | Dewitt County, TX | Oil & Gas Property | May 2025 |
| 40713 | ULS 4 | Andrews County, TX | Oil & Gas Property | May 2025 |
| 40714 | ULS 4 | Andrews County, TX | Oil & Gas Property | May 2025 |
| 40715 | ULS 5 | Andrews County, TX | Oil & Gas Property | May 2025 |
| 40716 | ULS 5-9 UNIT | Andrews County, TX | Oil & Gas Property | May 2025 |
| 40717 | ULS 6-3 | Andrews County, TX | Oil & Gas Property | May 2025 |
| 40718 | ULS A | Andrews County, TX | Oil & Gas Property | May 2025 |
| 40719 | ULS B | Andrews County, TX | Oil & Gas Property | May 2025 |
| 40720 | ULS CDU | Andrews County, TX | Oil & Gas Property | May 2025 |
| 40721 | ULS CDU 4-1 | Andrews County, TX | Oil & Gas Property | May 2025 |
| 40722 | ULVESTAD | Midland County, TX | Oil & Gas Property | May 2025 |
| 40723 | ULVESTAD-BIRKHEAD E20 | Midland County, TX | Oil & Gas Property | May 2025 |
| 40724 | UMA UNIT | Hill County, TX | Oil & Gas Property | May 2025 |
| 40725 | UMBERSON | Montague County, TX | Oil & Gas Property | May 2025 |
| 40726 | UMBRELLA POINT UNIT | Chambers County, TX | Oil & Gas Property | Jul 2013 |
| 40727 | UMBRIEL B | Lavaca County, TX | Oil & Gas Property | May 2025 |
| 40728 | UMIVERSITY BLOCK 46 | Crockett County, TX | Oil & Gas Property | May 2025 |
| 40729 | UMLANG-LEHMANN UNIT | Lee County, TX | Oil & Gas Property | May 2025 |
| 40730 | UMPHRESS, C.F. ET AL | Howard County, TX | Oil & Gas Property | Mar 2019 |
| 40731 | UNA HYRAL | Johnson County, TX | Gas Property | May 2025 |
| 40732 | UNBRIDLED 36 | Culberson County, TX | Oil & Gas Property | May 2025 |
| 40733 | UNCLE BILL 1 | Lipscomb County, TX | Oil & Gas Property | May 2025 |
| 40734 | UNCLE CECIL | Terrell County, TX | Oil & Gas Property | May 2025 |
| 40735 | UNCLE JERRY DAVIS | Liberty County, TX | Oil Property | May 2025 |
| 40736 | UNCOMPAGHRE STATE UNIT | Reeves County, TX | Oil & Gas Property | May 2025 |
| 40737 | UNDER THE BRIDGE 452 | Yoakum County, TX | Oil & Gas Property | May 2025 |
| 40738 | UNDERWOOD | Harrison County, TX | Oil & Gas Property | May 2025 |
| 40739 | UNDERWOOD | Andrews County, TX | Oil & Gas Property | May 2025 |
| 40740 | UNDERWOOD | Milam County, TX | Oil & Gas Property | May 2025 |
| 40741 | UNDERWOOD | Red River County, TX | Oil & Gas Property | May 2025 |
| 40742 | UNDERWOOD | Ward County, TX | Oil & Gas Property | Apr 2025 |
| 40743 | UNDERWOOD | Howard County, TX | Oil & Gas Property | Apr 2025 |
| 40744 | UNDERWOOD | Winkler County, TX | Oil & Gas Property | May 2025 |
| 40745 | UNDERWOOD ESTATE 1 | Lavaca County, TX | Oil & Gas Property | Apr 2025 |
| 40746 | UNDERWOOD MARY E | Montague County, TX | Oil & Gas Property | Feb 2025 |
| 40747 | UNDERWOOD-BREEN | Denton County, TX | Oil & Gas Property | May 2025 |
| 40748 | UNDERWOOD-JOHNSON 1 | Hutchinson County, TX | Oil & Gas Property | May 2025 |
| 40749 | UNDINE | Andrews County, TX | Oil & Gas Property | May 2025 |
| 40750 | UNFORGIVEN 34 113-114 | Ward County, TX | Oil & Gas Property | May 2025 |
| 40751 | UNICORN | Johnson County, TX | Gas Property | May 2025 |
| 40752 | UNICORN UNIT | Borden County, TX | Oil & Gas Property | May 2025 |
| 40753 | UNIMIN UNIT | Somervell County, TX | Oil & Gas Property | May 2025 |
| 40754 | UNION | Andrews County, TX | Oil & Gas Property | May 2025 |
| 40755 | UNION CENT | Nueces County, TX | Oil & Gas Property | Apr 2025 |
| 40756 | UNION CENTRAL | Denton County, TX | Oil & Gas Property | May 2025 |
| 40757 | UNION CENTRAL LIFE INS | Nueces County, TX | Gas Property | May 2025 |
| 40758 | UNION CENTRAL-CONDEE WELCH (SA) 1H | Denton County, TX | Oil & Gas Property | May 2025 |
| 40759 | UNION HILL | Washington County, TX | Oil & Gas Property | May 2025 |
| 40760 | UNION PACIFIC | Crockett County, TX | Oil & Gas Property | May 2025 |
| 40761 | UNION PACIFIC 7 | Crockett County, TX | Oil & Gas Property | May 2025 |
| 40762 | UNION RANCH | Webb County, TX | Oil & Gas Property | May 2025 |
| 40763 | UNION VALLEY A | Dawson County, TX | Oil & Gas Property | May 2025 |
| 40764 | UNION-STATE | Crockett County, TX | Oil & Gas Property | May 2025 |
| 40765 | UNISON | Tarrant County, TX | Gas Property | May 2025 |
| 40766 | UNIT | Wood County, TX | Oil Property | May 2025 |
| 40767 | UNITED 1 | Moore County, TX | Gas Property | May 2025 |
| 40768 | UNITED PRESBYTERIAN CHURCH | Dawson County, TX | Oil & Gas Property | Aug 2015 |
| 40769 | UNIV | Crockett County, TX | Oil & Gas Property | Apr 2025 |
| 40770 | UNIV | Ward County, TX | Oil & Gas Property | May 2025 |
| 40771 | UNIV. CONSOLIDATED X | Andrews County, TX | Oil & Gas Property | May 2025 |
| 40772 | UNIV.-11-SEC.-1 | Andrews County, TX | Oil & Gas Property | May 2025 |
| 40773 | UNIV2 HR | Andrews County, TX | Oil & Gas Property | May 2025 |
| 40774 | UNIV3 VINCENT2 | Upton County, TX | Oil & Gas Property | May 2025 |
| 40775 | UNIV5 | Upton County, TX | Oil & Gas Property | Nov 2022 |
| 40776 | UNIV6 | Crockett County, TX | Oil & Gas Property | May 2025 |
| 40777 | UNIVANISTON | Crane County, TX | Oil & Gas Property | May 2025 |
| 40778 | UNIVBAILEY | Crane County, TX | Oil & Gas Property | May 2025 |
| 40779 | UNIVCARLA | Andrews County, TX | Oil & Gas Property | Jan 2025 |
| 40780 | UNIVDANA | Crockett County, TX | Oil & Gas Property | May 2025 |
| 40781 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | May 2025 |
| 40782 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | May 2025 |
| 40783 | UNIVERSITY | Schleicher County, TX | Oil & Gas Property | May 2025 |
| 40784 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Sep 2012 |
| 40785 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | May 2025 |
| 40786 | UNIVERSITY | Ward County, TX | Oil & Gas Property | May 2025 |
| 40787 | UNIVERSITY | Crane County, TX | Oil & Gas Property | May 2025 |
| 40788 | UNIVERSITY | Crane County, TX | Oil & Gas Property | May 2025 |
| 40789 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | May 2025 |
| 40790 | UNIVERSITY | Pecos County, TX | Oil & Gas Property | Nov 2024 |
| 40791 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | May 2025 |
| 40792 | UNIVERSITY | Winkler County, TX | Oil & Gas Property | May 2025 |
| 40793 | UNIVERSITY | Reagan County, TX | Oil & Gas Property | May 2025 |
| 40794 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | May 2025 |
| 40795 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | May 2025 |
| 40796 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | May 2025 |
| 40797 | UNIVERSITY | Pecos County, TX | Oil Property | Jan 2021 |
| 40798 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | May 2025 |
| 40799 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Nov 2010 |
| 40800 | UNIVERSITY | Pecos County, TX | Oil & Gas Property | May 2025 |