| 301 | UNIVERSITY/ENERGEN GRAYBURG UNIT | Andrews County, TX | Oil & Gas Property | Jan 2025 |
| 302 | UNIVERSITYVINCENT | Upton County, TX | Oil & Gas Property | Jan 2025 |
| 303 | UNIVJENNY | Crane County, TX | Oil & Gas Property | Jan 2025 |
| 304 | UNIVKEISHA | Crockett County, TX | Oil & Gas Property | Jan 2025 |
| 305 | UNIVKENNEDY | Crane County, TX | Oil & Gas Property | Jan 2025 |
| 306 | UNIVKIMRA | Crane County, TX | Oil & Gas Property | Jan 2025 |
| 307 | UNIVKRISTIN | Crane County, TX | Oil & Gas Property | Dec 2024 |
| 308 | UNIVLINDSAY | Crane County, TX | Oil & Gas Property | Dec 2024 |
| 309 | UNIVMICHELLE | Crane County, TX | Oil & Gas Property | Jan 2025 |
| 310 | UNIVMISTY | Upton County, TX | Oil & Gas Property | Jan 2025 |
| 311 | UNIVNATALIE | Andrews County, TX | Oil & Gas Property | Jan 2025 |
| 312 | UNIVNICHOLE | Crockett County, TX | Oil & Gas Property | Jan 2025 |
| 313 | UNIVPAYTON | Crane County, TX | Oil & Gas Property | Jan 2025 |
| 314 | UNIVSAMANTHA | Crane County, TX | Oil & Gas Property | Jan 2025 |
| 315 | UNIVSHANNON | Crane County, TX | Oil Property | Feb 2025 |
| 316 | UNIVSHERRY | Crane County, TX | Oil & Gas Property | Dec 2024 |
| 317 | UNIVTARA | Reagan County, TX | Oil & Gas Property | Jan 2025 |
| 318 | UNIVTAYLOR | Crane County, TX | Oil & Gas Property | Dec 2024 |
| 319 | UNIVWANDA | Andrews County, TX | Oil & Gas Property | Dec 2023 |
| 320 | UNO NUMERO | Dawson County, TX | Oil & Gas Property | Jan 2025 |
| 321 | UNOCAL 940 | Garza County, TX | Oil & Gas Property | Jan 2025 |
| 322 | UNRUH | Upton County, TX | Oil & Gas Property | Jan 2025 |
| 323 | UNRUH | Ochiltree County, TX | Oil & Gas Property | Jan 2025 |
| 324 | UNSICKER | Pecos County, TX | Oil & Gas Property | Jan 2025 |
| 325 | UPCHURCH | Grimes County, TX | Oil & Gas Property | Jan 2025 |
| 326 | UPCHURCH | Lavaca County, TX | Oil & Gas Property | Dec 2024 |
| 327 | UPSHAW | Stonewall County, TX | Oil & Gas Property | Jan 2025 |
| 328 | UPTON | Upton County, TX | Oil & Gas Property | Jan 2025 |
| 329 | UPTON | Upton County, TX | Oil & Gas Property | Jan 2025 |
| 330 | UPTON | Upton County, TX | Oil & Gas Property | Jan 2025 |
| 331 | UPTON | Upton County, TX | Oil & Gas Property | Feb 2022 |
| 332 | URAL | Shelby County, TX | Oil & Gas Property | Jan 2025 |
| 333 | URBAN | Liberty County, TX | Oil & Gas Property | Jan 2025 |
| 334 | URBAN | Bastrop County, TX | Oil & Gas Property | Nov 2022 |
| 335 | URBAN JONES 122 | Ochiltree County, TX | Oil & Gas Property | Jan 2025 |
| 336 | URBAN ROBERT H | Ochiltree County, TX | Oil & Gas Property | Jan 2025 |
| 337 | URBAN-BRACEY OU #1 | Austin County, TX | Oil & Gas Property | Jan 2025 |
| 338 | URBANCZYK | Gray County, TX | Gas Property | Jan 2025 |
| 339 | URBANCZYK | Gray County, TX | Oil & Gas Property | Dec 2024 |
| 340 | URBANCZYK | Carson County, TX | Oil & Gas Property | Jan 2025 |
| 341 | URBANCZYK -B | Carson County, TX | Gas Property | Jan 2025 |
| 342 | URBANCZYK UNIT | Karnes County, TX | Oil & Gas Property | Jan 2025 |
| 343 | URBANOSKY | Burleson County, TX | Oil & Gas Property | Dec 2024 |
| 344 | URBANOVSKY UNIT | Burleson County, TX | Oil & Gas Property | Dec 2024 |
| 345 | URIAH OL | Grimes County, TX | Oil & Gas Property | Jan 2025 |
| 346 | URIBE | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 347 | URIBE | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 348 | URIBE | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 349 | URIBE FAMILY TRUST | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 350 | URIBE SERAFIN | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 351 | URIBE, ROSITA | Webb County, TX | Oil & Gas Property | Jan 2025 |
| 352 | URIBE-M DEMARTINEZ GAS UNIT 1 | Zapata County, TX | Gas Property | Jan 2025 |
| 353 | URRUTIA UNIT | Karnes County, TX | Oil & Gas Property | Jan 2025 |
| 354 | URSCHEL | Hemphill County, TX | Oil & Gas Property | Jan 2025 |
| 355 | URSCHEL C.F | Starr County, TX | Oil & Gas Property | Jul 2019 |
| 356 | URSULA | Howard County, TX | Oil & Gas Property | Jan 2025 |
| 357 | URSULA BIG DADDY | Howard County, TX | Oil & Gas Property | Jan 2025 |
| 358 | URSULA TOMCAT | Howard County, TX | Oil & Gas Property | Jan 2025 |
| 359 | US LIME | Johnson County, TX | Oil & Gas Property | Jan 2025 |
| 360 | USA 1 | Starr County, TX | Oil & Gas Property | Jan 2025 |
| 361 | USA 2 | Starr County, TX | Oil & Gas Property | Jan 2025 |
| 362 | USA 237-21 | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 363 | USA 3 | Starr County, TX | Oil & Gas Property | Jan 2025 |
| 364 | USA 5H | Shelby County, TX | Oil & Gas Property | Jan 2025 |
| 365 | USA 81006 | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 366 | USA A | Shelby County, TX | Oil & Gas Property | Jan 2025 |
| 367 | USA BL | San Augustine County, TX | Oil & Gas Property | Jan 2025 |
| 368 | USA COLDSPRING | San Jacinto County, TX | Oil & Gas Property | Jan 2025 |
| 369 | USA COMMANDO UNIT | Shelby County, TX | Gas Property | Jan 2025 |
| 370 | USA COTHROM UNIT | Shelby County, TX | Gas Property | Jan 2025 |
| 371 | USA COTHROM UNIT | Shelby County, TX | Gas Property | Jan 2025 |
| 372 | USA FUEL UNIT 1HB | Shelby County, TX | Gas Property | Dec 2024 |
| 373 | USA SANDMAN UNIT 1HB | Shelby County, TX | Gas Property | Dec 2024 |
| 374 | USA TRUST | Denton County, TX | Oil & Gas Property | Jan 2025 |
| 375 | USA-BRI | Shelby County, TX | Oil & Gas Property | Jan 2025 |
| 376 | USA-ELLINGTON | Shelby County, TX | Oil & Gas Property | Jan 2025 |
| 377 | USA-LOCK | Shelby County, TX | Oil & Gas Property | Jan 2025 |
| 378 | USA-NM-A-197 | Houston County, TX | Oil & Gas Property | Jan 2025 |
| 379 | USA-RAVEN FOREST | Montgomery County, TX | Oil & Gas Property | Jan 2025 |
| 380 | USFW 1 | Hidalgo County, TX | Oil & Gas Property | Jan 2025 |
| 381 | USHER | San Patricio County, TX | Oil & Gas Property | Nov 2024 |
| 382 | USM ET AL GAS UNIT 1 | Pecos County, TX | Oil & Gas Property | Jan 2025 |
| 383 | USM QUEEN UNIT 1 | Pecos County, TX | Oil Property | Apr 2024 |
| 384 | USZYNSKI-FURLOW (SA) | Karnes County, TX | Oil & Gas Property | Jan 2025 |
| 385 | UTA A UNIT | Tarrant County, TX | Gas Property | Jan 2025 |
| 386 | UTA B UNIT | Tarrant County, TX | Gas Property | Jan 2025 |
| 387 | UTA C UNIT | Tarrant County, TX | Gas Property | Jan 2025 |
| 388 | UTAHRAPTOR GAS UNIT 1H | Angelina County, TX | Gas Property | Dec 2024 |
| 389 | UTL 0201 | Ward County, TX | Oil & Gas Property | Jan 2025 |
| 390 | UTL 0708 | Ward County, TX | Oil & Gas Property | Jan 2025 |
| 391 | UTL 1 | Ward County, TX | Oil & Gas Property | Jan 2025 |
| 392 | UTL 105-19A | Andrews County, TX | Oil & Gas Property | Jan 2025 |
| 393 | UTL 2 | Ward County, TX | Oil & Gas Property | Feb 2025 |
| 394 | UTL 3748 37 | Winkler County, TX | Oil & Gas Property | Jan 2025 |
| 395 | UTL 4 | Winkler County, TX | Oil & Gas Property | Feb 2025 |
| 396 | UTL LJ BELDIN 1211-17 | Ward County, TX | Oil & Gas Property | Jan 2025 |
| 397 | UTL PEONY 1918A | Ward County, TX | Oil & Gas Property | Jan 2025 |
| 398 | UTL RATTLESNAKE 2413 | Winkler County, TX | Oil & Gas Property | Jan 2025 |
| 399 | UTL WAR UNIVERSITY 2324 | Ward County, TX | Oil & Gas Property | Jan 2025 |
| 400 | UTLEY | Freestone County, TX | Oil & Gas Property | Jan 2025 |