| 40501 | UNIVKEISHA | Crockett County, TX | Oil & Gas Property | Mar 2026 |
| 40502 | UNIVKENNEDY | Crane County, TX | Oil & Gas Property | Apr 2026 |
| 40503 | UNIVKIMRA | Crane County, TX | Oil & Gas Property | Apr 2026 |
| 40504 | UNIVKRISTIN | Crane County, TX | Oil & Gas Property | Apr 2026 |
| 40505 | UNIVLINDSAY | Crane County, TX | Oil & Gas Property | Apr 2026 |
| 40506 | UNIVMICHELLE | Crane County, TX | Oil & Gas Property | Apr 2026 |
| 40507 | UNIVMISTY | Upton County, TX | Oil & Gas Property | Apr 2026 |
| 40508 | UNIVNATALIE | Andrews County, TX | Oil & Gas Property | Apr 2026 |
| 40509 | UNIVNICHOLE | Crockett County, TX | Oil & Gas Property | Apr 2026 |
| 40510 | UNIVSAMANTHA | Crane County, TX | Oil & Gas Property | Apr 2026 |
| 40511 | UNIVSHANNON | Crane County, TX | Oil & Gas Property | Apr 2026 |
| 40512 | UNIVSHERRY | Crane County, TX | Oil & Gas Property | Apr 2026 |
| 40513 | UNIVTARA | Reagan County, TX | Oil & Gas Property | Apr 2026 |
| 40514 | UNIVTAYLOR | Crane County, TX | Oil & Gas Property | Apr 2026 |
| 40515 | UNIVWANDA | Andrews County, TX | Oil & Gas Property | Dec 2023 |
| 40516 | UNO NUMERO | Dawson County, TX | Oil & Gas Property | Apr 2026 |
| 40517 | UNOCAL 940 | Garza County, TX | Oil & Gas Property | Apr 2026 |
| 40518 | UNRUH | Upton County, TX | Oil & Gas Property | Feb 2026 |
| 40519 | UNRUH | Ochiltree County, TX | Oil & Gas Property | Feb 2026 |
| 40520 | UNSICKER | Pecos County, TX | Oil & Gas Property | Apr 2026 |
| 40521 | UPCHURCH | Grimes County, TX | Oil & Gas Property | Apr 2026 |
| 40522 | UPCHURCH 1 | Lavaca County, TX | Oil & Gas Property | Mar 2026 |
| 40523 | UPSHAW | Stonewall County, TX | Oil & Gas Property | Apr 2026 |
| 40524 | UPTON | Upton County, TX | Oil & Gas Property | Apr 2026 |
| 40525 | UPTON | Upton County, TX | Oil & Gas Property | Apr 2026 |
| 40526 | UPTON | Upton County, TX | Oil & Gas Property | Apr 2026 |
| 40527 | UPTON | Upton County, TX | Oil & Gas Property | Feb 2022 |
| 40528 | URAL | Shelby County, TX | Oil & Gas Property | Apr 2026 |
| 40529 | URBAN | Liberty County, TX | Oil & Gas Property | Mar 2026 |
| 40530 | URBAN | Austin County, TX | Oil & Gas Property | Sep 1994 |
| 40531 | URBAN | Bastrop County, TX | Oil & Gas Property | Nov 2022 |
| 40532 | URBAN JONES 122 | Ochiltree County, TX | Oil & Gas Property | Apr 2026 |
| 40533 | URBAN ROBERT H | Ochiltree County, TX | Oil & Gas Property | Apr 2026 |
| 40534 | URBAN-BRACEY OU #1 | Austin County, TX | Oil & Gas Property | Apr 2026 |
| 40535 | URBANCZYK | Atascosa County, TX | Oil & Gas Property | Apr 2026 |
| 40536 | URBANCZYK | Gray County, TX | Gas Property | Apr 2026 |
| 40537 | URBANCZYK | Gray County, TX | Oil & Gas Property | Aug 2025 |
| 40538 | URBANCZYK | Carson County, TX | Oil & Gas Property | Apr 2026 |
| 40539 | URBANCZYK -B | Carson County, TX | Gas Property | Apr 2026 |
| 40540 | URBANCZYK UNIT | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 40541 | URBANOSKY | Burleson County, TX | Oil & Gas Property | Mar 2026 |
| 40542 | URBANOVSKY UNIT | Burleson County, TX | Oil & Gas Property | Mar 2026 |
| 40543 | URIAH OL | Grimes County, TX | Oil & Gas Property | Apr 2026 |
| 40544 | URIBE | Zapata County, TX | Oil & Gas Property | Apr 2026 |
| 40545 | URIBE | Zapata County, TX | Oil & Gas Property | Apr 2026 |
| 40546 | URIBE | Zapata County, TX | Oil & Gas Property | Apr 2026 |
| 40547 | URIBE AURELIANO HEIRS | Zapata County, TX | Oil & Gas Property | Apr 2026 |
| 40548 | URIBE FAMILY TRUST | Zapata County, TX | Oil & Gas Property | Apr 2026 |
| 40549 | URIBE ROGELIO A A | Zapata County, TX | Oil & Gas Property | Aug 2018 |
| 40550 | URIBE SERAFIN | Zapata County, TX | Oil & Gas Property | Apr 2026 |
| 40551 | URIBE, ROSITA | Webb County, TX | Oil & Gas Property | Apr 2026 |
| 40552 | URIBE-M DEMARTINEZ GAS UNIT 1 | Zapata County, TX | Gas Property | Apr 2026 |
| 40553 | URRUTIA UNIT | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 40554 | URSCHEL | Hemphill County, TX | Oil & Gas Property | Apr 2026 |
| 40555 | URSCHEL C.F | Starr County, TX | Oil & Gas Property | Jul 2019 |
| 40556 | URSCHEL-STUDER 2/1 A C001DM | Hemphill County, TX | Oil & Gas Property | Apr 2026 |
| 40557 | URSO | Brazos County, TX | Oil & Gas Property | Apr 2026 |
| 40558 | URSULA | Howard County, TX | Oil & Gas Property | Apr 2026 |
| 40559 | URSULA BIG DADDY | Howard County, TX | Oil & Gas Property | Apr 2026 |
| 40560 | URSULA TOMCAT | Howard County, TX | Oil & Gas Property | Apr 2026 |
| 40561 | US LIME | Johnson County, TX | Oil & Gas Property | Apr 2026 |
| 40562 | USA 1 | Starr County, TX | Oil & Gas Property | Apr 2026 |
| 40563 | USA 2 | Starr County, TX | Oil & Gas Property | Apr 2026 |
| 40564 | USA 237-21 | Wise County, TX | Oil & Gas Property | Apr 2026 |
| 40565 | USA 3 | Starr County, TX | Oil & Gas Property | Apr 2026 |
| 40566 | USA 81006 | Wise County, TX | Oil & Gas Property | Apr 2026 |
| 40567 | USA A | Shelby County, TX | Oil & Gas Property | Apr 2026 |
| 40568 | USA BL | San Augustine County, TX | Oil & Gas Property | Apr 2026 |
| 40569 | USA BOONE | San Augustine County, TX | Gas Property | Apr 2026 |
| 40570 | USA COLDSPRING | San Jacinto County, TX | Oil & Gas Property | Apr 2026 |
| 40571 | USA COMMANDO UNIT | Shelby County, TX | Gas Property | Apr 2026 |
| 40572 | USA COTHROM UNIT | Shelby County, TX | Gas Property | Apr 2026 |
| 40573 | USA COTHROM UNIT | Shelby County, TX | Gas Property | Apr 2026 |
| 40574 | USA FUEL UNIT 1HB | Shelby County, TX | Gas Property | Apr 2026 |
| 40575 | USA LARK | Live Oak County, TX | Oil & Gas Property | Apr 2026 |
| 40576 | USA SANDMAN UNIT 1HB | Shelby County, TX | Gas Property | Apr 2026 |
| 40577 | USA TRUST | Denton County, TX | Oil & Gas Property | Apr 2026 |
| 40578 | USA-BRI | Shelby County, TX | Oil & Gas Property | Apr 2026 |
| 40579 | USA-ELLINGTON | Shelby County, TX | Oil & Gas Property | Apr 2026 |
| 40580 | USA-LOCK | Shelby County, TX | Oil & Gas Property | Apr 2026 |
| 40581 | USA-NM-A 197 | Houston County, TX | Oil & Gas Property | Jan 2026 |
| 40582 | USA-RAVEN FOREST | Montgomery County, TX | Oil & Gas Property | Apr 2026 |
| 40583 | USHER | San Patricio County, TX | Oil & Gas Property | Apr 2026 |
| 40584 | USM QUEEN UNIT 1 | Pecos County, TX | Oil Property | Apr 2024 |
| 40585 | USZYNSKI-FURLOW (SA) | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 40586 | UTA A UNIT | Tarrant County, TX | Gas Property | Apr 2026 |
| 40587 | UTA B UNIT | Tarrant County, TX | Gas Property | Apr 2026 |
| 40588 | UTA C UNIT | Tarrant County, TX | Gas Property | Apr 2026 |
| 40589 | UTAHRAPTOR GAS UNIT | Angelina County, TX | Gas Property | Mar 2026 |
| 40590 | UTL 0201 | Ward County, TX | Oil & Gas Property | Apr 2026 |
| 40591 | UTL 0708 | Ward County, TX | Oil & Gas Property | Apr 2026 |
| 40592 | UTL 1 | Ward County, TX | Oil & Gas Property | Apr 2026 |
| 40593 | UTL 105-19A | Andrews County, TX | Oil & Gas Property | Apr 2026 |
| 40594 | UTL 2 | Ward County, TX | Oil & Gas Property | Apr 2026 |
| 40595 | UTL 3748 37 | Winkler County, TX | Oil & Gas Property | Apr 2026 |
| 40596 | UTL 4 | Winkler County, TX | Oil & Gas Property | Apr 2026 |
| 40597 | UTL BLUEGILL 1917 | Ward County, TX | Oil & Gas Property | Apr 2026 |
| 40598 | UTL BOBCAT 2536 | Winkler County, TX | Oil & Gas Property | Apr 2026 |
| 40599 | UTL BUFFLEHEAD 2040A | Ward County, TX | Oil & Gas Property | Apr 2026 |
| 40600 | UTL HYSSOP 2728 | Ward County, TX | Oil & Gas Property | Apr 2026 |