| 301 | TODD | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 302 | TODD CRINOIDAL UNIT | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 303 | TODD ESTATE | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 304 | TODD ESTATE | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 305 | TODD J. S. A R/A A | Crockett County, TX | Oil & Gas Property | Aug 2019 |
| 306 | TODD J. S. UNIT BLOCK | Crockett County, TX | Oil & Gas Property | Aug 2024 |
| 307 | TODD RANCH | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 308 | TODD RANCH | Crockett County, TX | Oil & Gas Property | Dec 2025 |
| 309 | UMIVERSITY BLOCK 46 | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 310 | UNION PACIFIC | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 311 | UNION PACIFIC 7 | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 312 | UNION-STATE | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 313 | UNIV | Crockett County, TX | Oil & Gas Property | Dec 2025 |
| 314 | UNIV6 | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 315 | UNIVDANA | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 316 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 317 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Sep 2012 |
| 318 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 319 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 320 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Nov 2010 |
| 321 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 322 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 323 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 324 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 325 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 326 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 327 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 328 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 329 | UNIVERSITY 38 BLOCK UNIT 3819 | Crockett County, TX | Oil & Gas Property | Dec 2017 |
| 330 | UNIVERSITY 45 | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 331 | UNIVERSITY CITIES SERVICE | Crockett County, TX | Oil & Gas Property | Dec 2025 |
| 332 | UNIVERSITY GREAT PLAINS -B | Crockett County, TX | Oil & Gas Property | Dec 2025 |
| 333 | UNIVERSITYNATALIE | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 334 | UNIVKEISHA | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 335 | UNIVNICHOLE | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 336 | VADA BEAN | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 337 | VAUGHAN | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 338 | VAUGHN | Crockett County, TX | Oil & Gas Property | Feb 2024 |
| 339 | WALLEN-MILLER | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 340 | WARD | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 341 | WARD | Crockett County, TX | Oil & Gas Property | Dec 2025 |
| 342 | WARREN W. K. FOUNDATION 24 | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 343 | WATSON RA | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 344 | WEATHERLY-PRYOR | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 345 | WEGER UNIT | Crockett County, TX | Oil & Gas Property | Dec 2025 |
| 346 | WEST | Crockett County, TX | Oil & Gas Property | Mar 2009 |
| 347 | WEST H. H. B | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 348 | WEST HELEN HENDERSON | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 349 | WEST MASSIE | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 350 | WEST WAYNE RANCH | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 351 | WILKINS | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 352 | WILLIAMS | Crockett County, TX | Oil & Gas Property | Jan 2026 |
| 353 | WORLD WEST STRAWN UNIT | Crockett County, TX | Oil & Gas Property | Dec 2025 |
| 354 | ZIPP RANCH 34 | Crockett County, TX | Oil & Gas Property | Jan 2026 |