| 301 | UNIVERSITY 31 TAYLOR DRAW | Upton County, TX | Oil & Gas Property | Apr 2025 |
| 302 | UNIVERSITY 38 BLOCK UNIT 3819 | Crockett County, TX | Oil & Gas Property | Dec 2017 |
| 303 | UNIVERSITY 45 | Crockett County, TX | Oil & Gas Property | Mar 2025 |
| 304 | UNIVERSITY BL | Andrews County, TX | Oil & Gas Property | Apr 2025 |
| 305 | UNIVERSITY BLK 9 WOLFCAMP UNIT | Andrews County, TX | Oil & Gas Property | Apr 2025 |
| 306 | UNIVERSITY CITIES SERVICE | Crockett County, TX | Oil & Gas Property | Apr 2025 |
| 307 | UNIVERSITY CONS | Andrews County, TX | Oil & Gas Property | Apr 2025 |
| 308 | UNIVERSITY CONSOLIDATED IX | Andrews County, TX | Oil & Gas Property | Aug 2016 |
| 309 | UNIVERSITY CONSOLIDATED XIII | Andrews County, TX | Oil & Gas Property | Apr 2025 |
| 310 | UNIVERSITY GREAT PLAINS -B | Crockett County, TX | Oil & Gas Property | Apr 2025 |
| 311 | UNIVERSITY LANDS | Edwards County, TX | Oil & Gas Property | Apr 2025 |
| 312 | UNIVERSITY MCFARLAND 8 UNIT | Andrews County, TX | Oil & Gas Property | Apr 2025 |
| 313 | UNIVERSITY SAN ANDRES UNIT | Andrews County, TX | Oil & Gas Property | Apr 2025 |
| 314 | UNIVERSITY SOUTHERN MINERALS | Andrews County, TX | Oil & Gas Property | Apr 2025 |
| 315 | UNIVERSITY TB(SHALLOW) UNIT A-1 | Andrews County, TX | Oil & Gas Property | Apr 2025 |
| 316 | UNIVERSITY WADDELL DEVONIAN UNIT | Crane County, TX | Oil & Gas Property | Apr 2025 |
| 317 | UNIVERSITY WEST | Tarrant County, TX | Gas Property | Apr 2025 |
| 318 | UNIVERSITY/ENERGEN GRAYBURG UNIT | Andrews County, TX | Oil & Gas Property | Mar 2025 |
| 319 | UNIVERSITYVINCENT | Upton County, TX | Oil & Gas Property | Apr 2025 |
| 320 | UNIVJENNY | Crane County, TX | Oil & Gas Property | Apr 2025 |
| 321 | UNIVKEISHA | Crockett County, TX | Oil & Gas Property | Apr 2025 |
| 322 | UNIVKENNEDY | Crane County, TX | Oil & Gas Property | Apr 2025 |
| 323 | UNIVKIMRA | Crane County, TX | Oil & Gas Property | Apr 2025 |
| 324 | UNIVKRISTIN | Crane County, TX | Oil & Gas Property | Apr 2025 |
| 325 | UNIVLINDSAY | Crane County, TX | Oil & Gas Property | Apr 2025 |
| 326 | UNIVMICHELLE | Crane County, TX | Oil & Gas Property | Apr 2025 |
| 327 | UNIVMISTY | Upton County, TX | Oil & Gas Property | Apr 2025 |
| 328 | UNIVNATALIE | Andrews County, TX | Oil & Gas Property | Apr 2025 |
| 329 | UNIVNICHOLE | Crockett County, TX | Oil & Gas Property | Apr 2025 |
| 330 | UNIVPAYTON | Crane County, TX | Oil & Gas Property | Apr 2025 |
| 331 | UNIVSAMANTHA | Crane County, TX | Oil & Gas Property | Apr 2025 |
| 332 | UNIVSHANNON | Crane County, TX | Oil Property | May 2025 |
| 333 | UNIVSHERRY | Crane County, TX | Oil & Gas Property | Apr 2025 |
| 334 | UNIVTARA | Reagan County, TX | Oil & Gas Property | Apr 2025 |
| 335 | UNIVTAYLOR | Crane County, TX | Oil & Gas Property | Apr 2025 |
| 336 | UNIVWANDA | Andrews County, TX | Oil & Gas Property | Dec 2023 |
| 337 | UNO NUMERO | Dawson County, TX | Oil & Gas Property | Apr 2025 |
| 338 | UNOCAL 940 | Garza County, TX | Oil & Gas Property | Apr 2025 |
| 339 | UNRUH | Upton County, TX | Oil & Gas Property | Apr 2025 |
| 340 | UNRUH | Ochiltree County, TX | Oil & Gas Property | Apr 2025 |
| 341 | UNSICKER | Pecos County, TX | Oil & Gas Property | Apr 2025 |
| 342 | UP FOR GRABS | Scurry County, TX | Oil & Gas Property | Apr 2025 |
| 343 | UPCHURCH | Grimes County, TX | Oil & Gas Property | Apr 2025 |
| 344 | UPCHURCH | Lavaca County, TX | Oil & Gas Property | Feb 2025 |
| 345 | UPSHAW | Stonewall County, TX | Oil & Gas Property | Apr 2025 |
| 346 | UPTON | Upton County, TX | Oil & Gas Property | Apr 2025 |
| 347 | UPTON | Upton County, TX | Oil & Gas Property | Apr 2025 |
| 348 | UPTON | Upton County, TX | Oil & Gas Property | Apr 2025 |
| 349 | UPTON | Upton County, TX | Oil & Gas Property | Feb 2022 |
| 350 | URAL | Shelby County, TX | Oil & Gas Property | Apr 2025 |
| 351 | URBAN | Liberty County, TX | Oil & Gas Property | Apr 2025 |
| 352 | URBAN | Austin County, TX | Oil & Gas Property | Sep 1994 |
| 353 | URBAN | Bastrop County, TX | Oil & Gas Property | Mar 2025 |
| 354 | URBAN JONES 122 | Ochiltree County, TX | Oil & Gas Property | Apr 2025 |
| 355 | URBAN ROBERT H | Ochiltree County, TX | Oil & Gas Property | Apr 2025 |
| 356 | URBAN-BRACEY OU #1 | Austin County, TX | Oil & Gas Property | Apr 2025 |
| 357 | URBANCZYK | Gray County, TX | Gas Property | Apr 2025 |
| 358 | URBANCZYK | Gray County, TX | Oil & Gas Property | Apr 2025 |
| 359 | URBANCZYK | Carson County, TX | Oil & Gas Property | Apr 2025 |
| 360 | URBANCZYK | Wilson County, TX | Oil & Gas Property | Apr 2025 |
| 361 | URBANCZYK -B | Carson County, TX | Gas Property | Apr 2025 |
| 362 | URBANCZYK UNIT | Karnes County, TX | Oil & Gas Property | Apr 2025 |
| 363 | URBANOSKY | Burleson County, TX | Oil & Gas Property | Mar 2025 |
| 364 | URBANOVSKY UNIT | Burleson County, TX | Oil & Gas Property | Mar 2025 |
| 365 | URIAH OL | Grimes County, TX | Oil & Gas Property | Apr 2025 |
| 366 | URIBE | Zapata County, TX | Oil & Gas Property | Apr 2025 |
| 367 | URIBE | Zapata County, TX | Oil & Gas Property | Apr 2025 |
| 368 | URIBE | Zapata County, TX | Oil & Gas Property | Apr 2025 |
| 369 | URIBE FAMILY TRUST | Zapata County, TX | Oil & Gas Property | Mar 2025 |
| 370 | URIBE SERAFIN | Zapata County, TX | Oil & Gas Property | Mar 2025 |
| 371 | URIBE, ROSITA | Webb County, TX | Oil & Gas Property | Apr 2025 |
| 372 | URRUTIA UNIT | Karnes County, TX | Oil & Gas Property | Apr 2025 |
| 373 | URSCHEL | Hemphill County, TX | Oil & Gas Property | Apr 2025 |
| 374 | URSCHEL C.F | Starr County, TX | Oil & Gas Property | Jul 2019 |
| 375 | URSULA | Howard County, TX | Oil & Gas Property | Apr 2025 |
| 376 | URSULA BIG DADDY | Howard County, TX | Oil & Gas Property | Apr 2025 |
| 377 | URSULA TOMCAT | Howard County, TX | Oil & Gas Property | Apr 2025 |
| 378 | US LIME | Johnson County, TX | Oil & Gas Property | Apr 2025 |
| 379 | USA 1 | Starr County, TX | Oil & Gas Property | Apr 2025 |
| 380 | USA 2 | Starr County, TX | Oil & Gas Property | Apr 2025 |
| 381 | USA 237-21 | Wise County, TX | Oil & Gas Property | Apr 2025 |
| 382 | USA 3 | Starr County, TX | Oil & Gas Property | Apr 2025 |
| 383 | USA 81006 | Wise County, TX | Oil & Gas Property | Feb 2025 |
| 384 | USA A | Shelby County, TX | Oil & Gas Property | Apr 2025 |
| 385 | USA BL | San Augustine County, TX | Oil & Gas Property | Apr 2025 |
| 386 | USA COLDSPRING | San Jacinto County, TX | Oil & Gas Property | Apr 2025 |
| 387 | USA COMMANDO UNIT | Shelby County, TX | Gas Property | Apr 2025 |
| 388 | USA COTHROM UNIT | Shelby County, TX | Gas Property | Apr 2025 |
| 389 | USA COTHROM UNIT | Shelby County, TX | Gas Property | Apr 2025 |
| 390 | USA FUEL UNIT 1HB | Shelby County, TX | Gas Property | Apr 2025 |
| 391 | USA SANDMAN UNIT 1HB | Shelby County, TX | Gas Property | Apr 2025 |
| 392 | USA TRUST | Denton County, TX | Oil & Gas Property | Apr 2025 |
| 393 | USA-BRI | Shelby County, TX | Oil & Gas Property | Apr 2025 |
| 394 | USA-ELLINGTON | Shelby County, TX | Oil & Gas Property | Apr 2025 |
| 395 | USA-LOCK | Shelby County, TX | Oil & Gas Property | Apr 2025 |
| 396 | USA-NM-A 197 | Houston County, TX | Oil & Gas Property | Feb 2025 |
| 397 | USA-RAVEN FOREST | Montgomery County, TX | Oil & Gas Property | Apr 2025 |
| 398 | USHER | San Patricio County, TX | Oil & Gas Property | Feb 2025 |
| 399 | USM ET AL GAS UNIT 1 | Pecos County, TX | Oil & Gas Property | Apr 2025 |
| 400 | USM QUEEN UNIT 1 | Pecos County, TX | Oil Property | Apr 2024 |