| 301 | UNIVERSITY | Crane County, TX | Oil & Gas Property | Apr 2026 |
| 302 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 303 | UNIVERSITY | Pecos County, TX | Oil & Gas Property | Apr 2026 |
| 304 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Apr 2026 |
| 305 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Apr 2026 |
| 306 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Mar 2026 |
| 307 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Apr 2026 |
| 308 | UNIVERSITY | Terrell County, TX | Oil & Gas Property | Apr 2026 |
| 309 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Apr 2026 |
| 310 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Apr 2026 |
| 311 | UNIVERSITY | Upton County, TX | Oil & Gas Property | Apr 2026 |
| 312 | UNIVERSITY | Pecos County, TX | Oil & Gas Property | Feb 2024 |
| 313 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Apr 2026 |
| 314 | UNIVERSITY 12 | Reagan County, TX | Oil & Gas Property | Apr 2026 |
| 315 | UNIVERSITY 18-40 | Ward County, TX | Oil & Gas Property | Aug 2019 |
| 316 | UNIVERSITY 38 BLOCK UNIT 3819 | Crockett County, TX | Oil & Gas Property | Dec 2017 |
| 317 | UNIVERSITY 45 | Crockett County, TX | Oil & Gas Property | Mar 2026 |
| 318 | UNIVERSITY BL | Andrews County, TX | Oil & Gas Property | Apr 2026 |
| 319 | UNIVERSITY BLK 9 WOLFCAMP UNIT | Andrews County, TX | Oil & Gas Property | Apr 2026 |
| 320 | UNIVERSITY CITIES SERVICE | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 321 | UNIVERSITY CONS | Andrews County, TX | Oil & Gas Property | Apr 2026 |
| 322 | UNIVERSITY CONSOLIDATED IX | Andrews County, TX | Oil & Gas Property | Aug 2016 |
| 323 | UNIVERSITY CONSOLIDATED XIII | Andrews County, TX | Oil & Gas Property | Apr 2026 |
| 324 | UNIVERSITY GREAT PLAINS -B | Crockett County, TX | Oil & Gas Property | Mar 2026 |
| 325 | UNIVERSITY LANDS | Edwards County, TX | Oil & Gas Property | Mar 2026 |
| 326 | UNIVERSITY MCFARLAND 8 UNIT | Andrews County, TX | Oil & Gas Property | Apr 2026 |
| 327 | UNIVERSITY SAN ANDRES UNIT | Andrews County, TX | Oil & Gas Property | Apr 2026 |
| 328 | UNIVERSITY SOUTHERN MINERALS | Andrews County, TX | Oil & Gas Property | Apr 2026 |
| 329 | UNIVERSITY TB(SHALLOW) UNIT A-1 | Andrews County, TX | Oil & Gas Property | Apr 2026 |
| 330 | UNIVERSITY WADDELL DEVONIAN UNIT | Crane County, TX | Oil & Gas Property | Apr 2026 |
| 331 | UNIVERSITY WEST | Tarrant County, TX | Gas Property | Apr 2026 |
| 332 | UNIVERSITY/ENERGEN GRAYBURG UNIT | Andrews County, TX | Oil & Gas Property | Mar 2026 |
| 333 | UNIVERSITYNATALIE | Crockett County, TX | Oil & Gas Property | Apr 2026 |
| 334 | UNIVERSITYVINCENT | Upton County, TX | Oil & Gas Property | Apr 2026 |
| 335 | UNIVJENNY | Crane County, TX | Oil & Gas Property | Apr 2026 |
| 336 | UNIVKEISHA | Crockett County, TX | Oil & Gas Property | Mar 2026 |
| 337 | UNIVKENNEDY | Crane County, TX | Oil & Gas Property | Apr 2026 |
| 338 | UNIVKIMRA | Crane County, TX | Oil & Gas Property | Apr 2026 |
| 339 | UNIVKRISTIN | Crane County, TX | Oil & Gas Property | Apr 2026 |
| 340 | UNIVLINDSAY | Crane County, TX | Oil & Gas Property | Apr 2026 |
| 341 | UNIVMICHELLE | Crane County, TX | Oil & Gas Property | Apr 2026 |
| 342 | UNIVMISTY | Upton County, TX | Oil & Gas Property | Apr 2026 |
| 343 | UNIVNATALIE | Andrews County, TX | Oil & Gas Property | Apr 2026 |
| 344 | UNIVNICHOLE | Crockett County, TX | Oil & Gas Property | Apr 2026 |
| 345 | UNIVSAMANTHA | Crane County, TX | Oil & Gas Property | Apr 2026 |
| 346 | UNIVSHANNON | Crane County, TX | Oil & Gas Property | Apr 2026 |
| 347 | UNIVSHERRY | Crane County, TX | Oil & Gas Property | Apr 2026 |
| 348 | UNIVTARA | Reagan County, TX | Oil & Gas Property | Apr 2026 |
| 349 | UNIVTAYLOR | Crane County, TX | Oil & Gas Property | Apr 2026 |
| 350 | UNIVWANDA | Andrews County, TX | Oil & Gas Property | Dec 2023 |
| 351 | UNO NUMERO | Dawson County, TX | Oil & Gas Property | Apr 2026 |
| 352 | UNOCAL 940 | Garza County, TX | Oil & Gas Property | Apr 2026 |
| 353 | UNRUH | Upton County, TX | Oil & Gas Property | Feb 2026 |
| 354 | UNRUH | Ochiltree County, TX | Oil & Gas Property | Feb 2026 |
| 355 | UNSICKER | Pecos County, TX | Oil & Gas Property | Apr 2026 |
| 356 | UPCHURCH | Grimes County, TX | Oil & Gas Property | Apr 2026 |
| 357 | UPCHURCH 1 | Lavaca County, TX | Oil & Gas Property | Mar 2026 |
| 358 | UPSHAW | Stonewall County, TX | Oil & Gas Property | Apr 2026 |
| 359 | UPTON | Upton County, TX | Oil & Gas Property | Apr 2026 |
| 360 | UPTON | Upton County, TX | Oil & Gas Property | Apr 2026 |
| 361 | UPTON | Upton County, TX | Oil & Gas Property | Apr 2026 |
| 362 | UPTON | Upton County, TX | Oil & Gas Property | Feb 2022 |
| 363 | URAL | Shelby County, TX | Oil & Gas Property | Apr 2026 |
| 364 | URBAN | Liberty County, TX | Oil & Gas Property | Mar 2026 |
| 365 | URBAN | Austin County, TX | Oil & Gas Property | Sep 1994 |
| 366 | URBAN | Bastrop County, TX | Oil & Gas Property | Nov 2022 |
| 367 | URBAN JONES 122 | Ochiltree County, TX | Oil & Gas Property | Apr 2026 |
| 368 | URBAN ROBERT H | Ochiltree County, TX | Oil & Gas Property | Apr 2026 |
| 369 | URBAN-BRACEY OU #1 | Austin County, TX | Oil & Gas Property | Apr 2026 |
| 370 | URBANCZYK | Atascosa County, TX | Oil & Gas Property | Apr 2026 |
| 371 | URBANCZYK | Gray County, TX | Gas Property | Apr 2026 |
| 372 | URBANCZYK | Gray County, TX | Oil & Gas Property | Aug 2025 |
| 373 | URBANCZYK | Carson County, TX | Oil & Gas Property | Apr 2026 |
| 374 | URBANCZYK -B | Carson County, TX | Gas Property | Apr 2026 |
| 375 | URBANCZYK UNIT | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 376 | URBANOSKY | Burleson County, TX | Oil & Gas Property | Mar 2026 |
| 377 | URBANOVSKY UNIT | Burleson County, TX | Oil & Gas Property | Mar 2026 |
| 378 | URIAH OL | Grimes County, TX | Oil & Gas Property | Apr 2026 |
| 379 | URIBE | Zapata County, TX | Oil & Gas Property | Apr 2026 |
| 380 | URIBE | Zapata County, TX | Oil & Gas Property | Apr 2026 |
| 381 | URIBE | Zapata County, TX | Oil & Gas Property | Apr 2026 |
| 382 | URIBE AURELIANO HEIRS | Zapata County, TX | Oil & Gas Property | Apr 2026 |
| 383 | URIBE FAMILY TRUST | Zapata County, TX | Oil & Gas Property | Apr 2026 |
| 384 | URIBE ROGELIO A A | Zapata County, TX | Oil & Gas Property | Aug 2018 |
| 385 | URIBE SERAFIN | Zapata County, TX | Oil & Gas Property | Apr 2026 |
| 386 | URIBE, ROSITA | Webb County, TX | Oil & Gas Property | Apr 2026 |
| 387 | URIBE-M DEMARTINEZ GAS UNIT 1 | Zapata County, TX | Gas Property | Apr 2026 |
| 388 | URRUTIA UNIT | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 389 | URSCHEL | Hemphill County, TX | Oil & Gas Property | Apr 2026 |
| 390 | URSCHEL C.F | Starr County, TX | Oil & Gas Property | Jul 2019 |
| 391 | URSCHEL-STUDER 2/1 A C001DM | Hemphill County, TX | Oil & Gas Property | Apr 2026 |
| 392 | URSO | Brazos County, TX | Oil & Gas Property | Apr 2026 |
| 393 | URSULA | Howard County, TX | Oil & Gas Property | Apr 2026 |
| 394 | URSULA BIG DADDY | Howard County, TX | Oil & Gas Property | Apr 2026 |
| 395 | URSULA TOMCAT | Howard County, TX | Oil & Gas Property | Apr 2026 |
| 396 | US LIME | Johnson County, TX | Oil & Gas Property | Apr 2026 |
| 397 | USA 1 | Starr County, TX | Oil & Gas Property | Apr 2026 |
| 398 | USA 2 | Starr County, TX | Oil & Gas Property | Apr 2026 |
| 399 | USA 237-21 | Wise County, TX | Oil & Gas Property | Apr 2026 |
| 400 | USA 3 | Starr County, TX | Oil & Gas Property | Apr 2026 |