| 40401 | URAL | Shelby County, TX | Oil & Gas Property | Jan 2026 |
| 40402 | URBAN | Liberty County, TX | Oil & Gas Property | Jan 2026 |
| 40403 | URBAN | Austin County, TX | Oil & Gas Property | Sep 1994 |
| 40404 | URBAN | Bastrop County, TX | Oil & Gas Property | Nov 2022 |
| 40405 | URBAN JONES 122 | Ochiltree County, TX | Oil & Gas Property | Jan 2026 |
| 40406 | URBAN ROBERT H | Ochiltree County, TX | Oil & Gas Property | Jan 2026 |
| 40407 | URBAN-BRACEY OU #1 | Austin County, TX | Oil & Gas Property | Jan 2026 |
| 40408 | URBANCZYK | Gray County, TX | Gas Property | Jan 2026 |
| 40409 | URBANCZYK | Gray County, TX | Oil & Gas Property | Aug 2025 |
| 40410 | URBANCZYK | Carson County, TX | Oil & Gas Property | Jan 2026 |
| 40411 | URBANCZYK -B | Carson County, TX | Gas Property | Jan 2026 |
| 40412 | URBANCZYK UNIT | Karnes County, TX | Oil & Gas Property | Jan 2026 |
| 40413 | URBANOVSKY UNIT | Burleson County, TX | Oil & Gas Property | Jan 2026 |
| 40414 | URIAH OL | Grimes County, TX | Oil & Gas Property | Jan 2026 |
| 40415 | URIBE | Zapata County, TX | Oil & Gas Property | Jan 2026 |
| 40416 | URIBE | Zapata County, TX | Oil & Gas Property | Jan 2026 |
| 40417 | URIBE | Zapata County, TX | Oil & Gas Property | Jan 2026 |
| 40418 | URIBE AURELIANO HEIRS | Zapata County, TX | Oil & Gas Property | Jan 2026 |
| 40419 | URIBE FAMILY TRUST | Zapata County, TX | Oil & Gas Property | Jan 2026 |
| 40420 | URIBE ROGELIO A A | Zapata County, TX | Oil & Gas Property | Aug 2018 |
| 40421 | URIBE SERAFIN | Zapata County, TX | Oil & Gas Property | Jan 2026 |
| 40422 | URIBE, ROSITA | Webb County, TX | Oil & Gas Property | Jan 2026 |
| 40423 | URIBE-M DEMARTINEZ GAS UNIT 1 | Zapata County, TX | Gas Property | Jan 2026 |
| 40424 | URRUTIA UNIT | Karnes County, TX | Oil & Gas Property | Jan 2026 |
| 40425 | URSCHEL | Hemphill County, TX | Oil & Gas Property | Jan 2026 |
| 40426 | URSCHEL C.F | Starr County, TX | Oil & Gas Property | Jul 2019 |
| 40427 | URSULA | Howard County, TX | Oil & Gas Property | Jan 2026 |
| 40428 | URSULA BIG DADDY | Howard County, TX | Oil & Gas Property | Jan 2026 |
| 40429 | URSULA TOMCAT | Howard County, TX | Oil & Gas Property | Jan 2026 |
| 40430 | US LIME | Johnson County, TX | Oil & Gas Property | Jan 2026 |
| 40431 | USA 1 | Starr County, TX | Oil & Gas Property | Jan 2026 |
| 40432 | USA 2 | Starr County, TX | Oil & Gas Property | Jan 2026 |
| 40433 | USA 237-21 | Wise County, TX | Oil & Gas Property | Jan 2026 |
| 40434 | USA 3 | Starr County, TX | Oil & Gas Property | Jan 2026 |
| 40435 | USA 81006 | Wise County, TX | Oil & Gas Property | Jan 2026 |
| 40436 | USA A | Shelby County, TX | Oil & Gas Property | Jan 2026 |
| 40437 | USA BL | San Augustine County, TX | Oil & Gas Property | Jan 2026 |
| 40438 | USA BOONE | San Augustine County, TX | Gas Property | Jan 2026 |
| 40439 | USA COLDSPRING | San Jacinto County, TX | Oil & Gas Property | Jan 2026 |
| 40440 | USA COMMANDO UNIT | Shelby County, TX | Gas Property | Jan 2026 |
| 40441 | USA COTHROM UNIT | Shelby County, TX | Gas Property | Jan 2026 |
| 40442 | USA COTHROM UNIT | Shelby County, TX | Gas Property | Jan 2026 |
| 40443 | USA FUEL UNIT 1HB | Shelby County, TX | Gas Property | Jan 2026 |
| 40444 | USA SANDMAN UNIT 1HB | Shelby County, TX | Gas Property | Jan 2026 |
| 40445 | USA TRUST | Denton County, TX | Oil & Gas Property | Jan 2026 |
| 40446 | USA-BRI | Shelby County, TX | Oil & Gas Property | Jan 2026 |
| 40447 | USA-ELLINGTON | Shelby County, TX | Oil & Gas Property | Jan 2026 |
| 40448 | USA-LOCK | Shelby County, TX | Oil & Gas Property | Jan 2026 |
| 40449 | USA-NM-A-197 | Houston County, TX | Oil & Gas Property | Dec 2025 |
| 40450 | USA-RAVEN FOREST | Montgomery County, TX | Oil & Gas Property | Jan 2026 |
| 40451 | USHER | San Patricio County, TX | Oil & Gas Property | Jan 2026 |
| 40452 | USM ET AL GAS UNIT 1 | Pecos County, TX | Oil & Gas Property | Jan 2026 |
| 40453 | USM QUEEN UNIT 1 | Pecos County, TX | Oil Property | Apr 2024 |
| 40454 | USZYNSKI-FURLOW (SA) | Karnes County, TX | Oil & Gas Property | Jan 2026 |
| 40455 | UTA A UNIT | Tarrant County, TX | Gas Property | Jan 2026 |
| 40456 | UTA B UNIT | Tarrant County, TX | Gas Property | Jan 2026 |
| 40457 | UTA C UNIT | Tarrant County, TX | Gas Property | Jan 2026 |
| 40458 | UTAHRAPTOR GAS UNIT | Angelina County, TX | Gas Property | Jan 2026 |
| 40459 | UTL 0201 | Ward County, TX | Oil & Gas Property | Jan 2026 |
| 40460 | UTL 0708 | Ward County, TX | Oil & Gas Property | Jan 2026 |
| 40461 | UTL 1 | Ward County, TX | Oil & Gas Property | Jan 2026 |
| 40462 | UTL 105-19A | Andrews County, TX | Oil & Gas Property | Jan 2026 |
| 40463 | UTL 2 | Ward County, TX | Oil & Gas Property | Jan 2026 |
| 40464 | UTL 3748 37 | Winkler County, TX | Oil & Gas Property | Jan 2026 |
| 40465 | UTL 4 | Winkler County, TX | Oil & Gas Property | Jan 2026 |
| 40466 | UTL BLUEGILL 1917 | Ward County, TX | Oil & Gas Property | Jan 2026 |
| 40467 | UTL BOBCAT 2536 | Winkler County, TX | Oil & Gas Property | Jan 2026 |
| 40468 | UTL BUFFLEHEAD 2040A | Ward County, TX | Oil & Gas Property | Jan 2026 |
| 40469 | UTL HYSSOP 2728 | Ward County, TX | Oil & Gas Property | Jan 2026 |
| 40470 | UTL LJ BELDIN 1211-17 | Ward County, TX | Oil & Gas Property | Jan 2026 |
| 40471 | UTL MALLOW 0504A | Ward County, TX | Oil & Gas Property | Jan 2026 |
| 40472 | UTL PEONY 1918A | Ward County, TX | Oil & Gas Property | Jan 2026 |
| 40473 | UTL RATTLESNAKE 2413 | Winkler County, TX | Oil & Gas Property | Jan 2026 |
| 40474 | UTL WAR UNIVERSITY 2324 | Ward County, TX | Oil & Gas Property | Jan 2026 |
| 40475 | UTL WILD BUNCH 0135A 01H | Ward County, TX | Oil & Gas Property | Jan 2026 |
| 40476 | UTLEY | Freestone County, TX | Oil & Gas Property | Jan 2026 |
| 40477 | UTZMAN | Gregg County, TX | Oil & Gas Property | Oct 2024 |
| 40478 | UTZMAN W.D. ESTATE | Gregg County, TX | Oil & Gas Property | Jan 2026 |
| 40479 | UTZMAN,ROMA OIL UNIT | Gregg County, TX | Oil & Gas Property | Nov 2025 |
| 40480 | UYSALER AHMET | Johnson County, TX | Gas Property | Jan 2026 |
| 40481 | V-BAR 1 | Winkler County, TX | Oil & Gas Property | Jan 2026 |
| 40482 | V. C. BLALOCK | Wood County, TX | Oil & Gas Property | Dec 2025 |
| 40483 | V. COOK ET AL GAS UNIT | Hidalgo County, TX | Oil & Gas Property | Jan 2026 |
| 40484 | V. T. MCCABE | Mitchell County, TX | Oil & Gas Property | Dec 2025 |
| 40485 | V.T. AMACKER | Upton County, TX | Oil & Gas Property | Jan 2026 |
| 40486 | VACANCY STRIP | Andrews County, TX | Oil & Gas Property | Dec 2025 |
| 40487 | VADA BEAN | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 40488 | VADEN | Winkler County, TX | Oil & Gas Property | Jan 2023 |
| 40489 | VAELLO-BROMBERG | Duval County, TX | Oil & Gas Property | Feb 2013 |
| 40490 | VAGRANT 38 | Culberson County, TX | Oil & Gas Property | Jan 2026 |
| 40491 | VAIDEN | Camp County, TX | Oil & Gas Property | Dec 2009 |
| 40492 | VAIL | La Salle County, TX | Oil & Gas Property | Jan 2026 |
| 40493 | VAJDAK 1 | Burleson County, TX | Oil & Gas Property | Jan 2026 |
| 40494 | VAJDAK J | Liberty County, TX | Oil & Gas Property | Jan 2026 |
| 40495 | VAJDOS F-FORISTER 541 A SA | Karnes County, TX | Oil & Gas Property | Jan 2026 |
| 40496 | VAJDOS-FOEGELLE UNIT | Karnes County, TX | Oil & Gas Property | Jan 2026 |
| 40497 | VALADEZ | Duval County, TX | Oil & Gas Property | Apr 2025 |
| 40498 | VALCHAR | Wilson County, TX | Oil & Gas Property | Jan 2026 |
| 40499 | VALCIK J | Wise County, TX | Oil & Gas Property | Jan 2026 |
| 40500 | VALDEZ ET AL UNIT | Hidalgo County, TX | Oil & Gas Property | Jan 2026 |