| 41001 | UL MAROON 0904-21 | Winkler County, TX | Oil & Gas Property | Sep 2025 |
| 41002 | UL MASON | Andrews County, TX | Oil & Gas Property | Sep 2025 |
| 41003 | UL MASON EAST UNIT | Andrews County, TX | Oil & Gas Property | Sep 2025 |
| 41004 | UL MASON WEST UNIT | Andrews County, TX | Oil & Gas Property | Sep 2025 |
| 41005 | UL MAYFLOWER 42-18 | Ward County, TX | Oil & Gas Property | May 2024 |
| 41006 | UL MCNASSER 0201-17 | Ward County, TX | Oil & Gas Property | Sep 2025 |
| 41007 | UL MILL 3427-21 | Winkler County, TX | Oil & Gas Property | Sep 2025 |
| 41008 | UL MOCKINGBIRD 13-2 | Martin County, TX | Oil & Gas Property | Sep 2025 |
| 41009 | UL MONTGOMERY 1003-21 | Winkler County, TX | Oil & Gas Property | Sep 2025 |
| 41010 | UL MS HZ BLK 6 | Martin County, TX | Oil & Gas Property | Sep 2025 |
| 41011 | UL MUSTANG 13 | Martin County, TX | Oil & Gas Property | Sep 2025 |
| 41012 | UL OG EAST | Reagan County, TX | Oil & Gas Property | Aug 2025 |
| 41013 | UL PAGE 41-44 | Andrews County, TX | Oil & Gas Property | Sep 2025 |
| 41014 | UL PAHASKA | Winkler County, TX | Oil & Gas Property | Sep 2025 |
| 41015 | UL PITCHFORK | Winkler County, TX | Oil & Gas Property | Sep 2025 |
| 41016 | UL RATTLE | Ward County, TX | Oil & Gas Property | Nov 2021 |
| 41017 | UL REAGAN | Reagan County, TX | Oil & Gas Property | Sep 2025 |
| 41018 | UL ROY | Ward County, TX | Oil & Gas Property | Sep 2025 |
| 41019 | UL SITKA 12 | Andrews County, TX | Oil & Gas Property | Sep 2025 |
| 41020 | UL SPRINTER | Ward County, TX | Oil & Gas Property | Sep 2025 |
| 41021 | UL SPRUCE 1621-21 | Winkler County, TX | Oil & Gas Property | Sep 2025 |
| 41022 | UL STANOLIND 30-27 | Martin County, TX | Oil & Gas Property | Sep 2025 |
| 41023 | UL STATE LINDSEY DIXON | Reagan County, TX | Oil & Gas Property | Sep 2025 |
| 41024 | UL SUGARLOAF | Ward County, TX | Oil & Gas Property | Sep 2025 |
| 41025 | UL SUNSHINE MESA 2 | Winkler County, TX | Oil & Gas Property | Sep 2025 |
| 41026 | UL TALLEY B | Reagan County, TX | Oil & Gas Property | Sep 2025 |
| 41027 | UL TAWNY UNIT 8-12 | Andrews County, TX | Oil & Gas Property | Sep 2025 |
| 41028 | UL TENTH CAVALRY | Reagan County, TX | Oil & Gas Property | Sep 2025 |
| 41029 | UL THE MACHINE | Upton County, TX | Oil & Gas Property | Sep 2025 |
| 41030 | UL TIFFANY | Reagan County, TX | Oil & Gas Property | Aug 2025 |
| 41031 | UL TILDEN 16-31-32 | Ward County, TX | Oil & Gas Property | Aug 2025 |
| 41032 | UL URAD 1609-21 | Winkler County, TX | Oil & Gas Property | Sep 2025 |
| 41033 | UL WASH PARK 2 | Andrews County, TX | Oil & Gas Property | Sep 2025 |
| 41034 | UL WAYLON | Upton County, TX | Oil & Gas Property | Sep 2025 |
| 41035 | UL WILLIE | Upton County, TX | Oil & Gas Property | Sep 2025 |
| 41036 | UL WILLOW 383633-16 | Ward County, TX | Oil & Gas Property | Sep 2025 |
| 41037 | UL WTG 3-233 | Reagan County, TX | Oil & Gas Property | Sep 2025 |
| 41038 | UL YANKEE BOY 18-17 | Ward County, TX | Oil & Gas Property | Sep 2025 |
| 41039 | UL YELLOWTAIL | Winkler County, TX | Oil & Gas Property | Sep 2025 |
| 41040 | UL13 KEENE | Andrews County, TX | Oil & Gas Property | Sep 2025 |
| 41041 | ULANDS 48 | Reagan County, TX | Oil & Gas Property | Sep 2025 |
| 41042 | ULLMAN | Gonzales County, TX | Oil & Gas Property | Sep 2025 |
| 41043 | ULLRICH 'A' | Lee County, TX | Oil & Gas Property | Sep 2025 |
| 41044 | ULRICH | Dewitt County, TX | Oil & Gas Property | Sep 2025 |
| 41045 | ULRICH A - WILLIAMS A SA 1 1H | Dewitt County, TX | Oil & Gas Property | Sep 2025 |
| 41046 | ULS 4 | Andrews County, TX | Oil & Gas Property | Sep 2025 |
| 41047 | ULS 4 | Andrews County, TX | Oil & Gas Property | Sep 2025 |
| 41048 | ULS 5 | Andrews County, TX | Oil & Gas Property | Sep 2025 |
| 41049 | ULS 5-9 UNIT | Andrews County, TX | Oil & Gas Property | Sep 2025 |
| 41050 | ULS 6-3 | Andrews County, TX | Oil & Gas Property | Sep 2025 |
| 41051 | ULS A | Andrews County, TX | Oil & Gas Property | Sep 2025 |
| 41052 | ULS B | Andrews County, TX | Oil & Gas Property | Sep 2025 |
| 41053 | ULS CDU | Andrews County, TX | Oil & Gas Property | Sep 2025 |
| 41054 | ULS CDU 4-1 | Andrews County, TX | Oil & Gas Property | Sep 2025 |
| 41055 | ULVESTAD | Midland County, TX | Oil & Gas Property | Sep 2025 |
| 41056 | ULVESTAD-BIRKHEAD E20 | Midland County, TX | Oil & Gas Property | Sep 2025 |
| 41057 | UMA UNIT | Hill County, TX | Oil & Gas Property | Aug 2025 |
| 41058 | UMBERSON | Montague County, TX | Oil & Gas Property | Sep 2025 |
| 41059 | UMBRELLA POINT UNIT | Chambers County, TX | Oil & Gas Property | Jul 2013 |
| 41060 | UMBRIEL B | Lavaca County, TX | Oil & Gas Property | Sep 2025 |
| 41061 | UMIVERSITY BLOCK 46 | Crockett County, TX | Oil & Gas Property | Sep 2025 |
| 41062 | UMLANG-LEHMANN UNIT | Lee County, TX | Oil & Gas Property | Sep 2025 |
| 41063 | UMPHRESS, C.F. ET AL | Howard County, TX | Oil & Gas Property | Mar 2019 |
| 41064 | UNA HYRAL | Johnson County, TX | Gas Property | Sep 2025 |
| 41065 | UNBRIDLED 36 | Culberson County, TX | Oil & Gas Property | Sep 2025 |
| 41066 | UNCLE BILL 1 | Lipscomb County, TX | Oil & Gas Property | Sep 2025 |
| 41067 | UNCLE CECIL | Terrell County, TX | Oil & Gas Property | Sep 2025 |
| 41068 | UNCLE JERRY DAVIS | Liberty County, TX | Oil Property | Aug 2025 |
| 41069 | UNCOMPAGHRE STATE UNIT | Reeves County, TX | Oil & Gas Property | Sep 2025 |
| 41070 | UNDER THE BRIDGE 452 | Yoakum County, TX | Oil & Gas Property | Sep 2025 |
| 41071 | UNDERWOOD | Harrison County, TX | Oil & Gas Property | Sep 2025 |
| 41072 | UNDERWOOD | Andrews County, TX | Oil & Gas Property | Sep 2025 |
| 41073 | UNDERWOOD | Milam County, TX | Oil & Gas Property | Sep 2025 |
| 41074 | UNDERWOOD | Red River County, TX | Oil & Gas Property | Sep 2025 |
| 41075 | UNDERWOOD | Ward County, TX | Oil & Gas Property | Sep 2025 |
| 41076 | UNDERWOOD | Howard County, TX | Oil & Gas Property | Aug 2025 |
| 41077 | UNDERWOOD | Winkler County, TX | Oil & Gas Property | Aug 2025 |
| 41078 | UNDERWOOD ESTATE 1 | Lavaca County, TX | Oil & Gas Property | Aug 2025 |
| 41079 | UNDERWOOD MARY E | Montague County, TX | Oil & Gas Property | Aug 2025 |
| 41080 | UNDERWOOD-BREEN | Denton County, TX | Oil & Gas Property | Sep 2025 |
| 41081 | UNDERWOOD-JOHNSON 1 | Hutchinson County, TX | Oil & Gas Property | Sep 2025 |
| 41082 | UNDINE | Andrews County, TX | Oil & Gas Property | Sep 2025 |
| 41083 | UNFORGIVEN 34 113-114 | Ward County, TX | Oil & Gas Property | Sep 2025 |
| 41084 | UNICORN | Johnson County, TX | Gas Property | Sep 2025 |
| 41085 | UNICORN UNIT | Borden County, TX | Oil & Gas Property | Sep 2025 |
| 41086 | UNIMIN UNIT | Somervell County, TX | Oil & Gas Property | Aug 2025 |
| 41087 | UNION | Andrews County, TX | Oil & Gas Property | Aug 2025 |
| 41088 | UNION CENT | Nueces County, TX | Oil & Gas Property | Sep 2025 |
| 41089 | UNION CENTRAL | Denton County, TX | Oil & Gas Property | Sep 2025 |
| 41090 | UNION CENTRAL LIFE INS | Nueces County, TX | Gas Property | Sep 2025 |
| 41091 | UNION CENTRAL-CONDEE WELCH (SA) 1H | Denton County, TX | Oil & Gas Property | Sep 2025 |
| 41092 | UNION HILL | Washington County, TX | Oil & Gas Property | Sep 2025 |
| 41093 | UNION PACIFIC | Crockett County, TX | Oil & Gas Property | Sep 2025 |
| 41094 | UNION PACIFIC 7 | Crockett County, TX | Oil & Gas Property | Sep 2025 |
| 41095 | UNION RANCH | Webb County, TX | Oil & Gas Property | Sep 2025 |
| 41096 | UNION VALLEY A | Dawson County, TX | Oil & Gas Property | Sep 2025 |
| 41097 | UNION-STATE | Crockett County, TX | Oil & Gas Property | Sep 2025 |
| 41098 | UNISON | Tarrant County, TX | Gas Property | Sep 2025 |
| 41099 | UNIT | Wood County, TX | Oil Property | Sep 2025 |
| 41100 | UNITED 1 | Moore County, TX | Gas Property | Sep 2025 |