| 201 | UNICORN | Johnson County, TX | Gas Property | Dec 2024 |
| 202 | UNICORN UNIT | Borden County, TX | Oil & Gas Property | Dec 2024 |
| 203 | UNIMIN UNIT | Somervell County, TX | Oil & Gas Property | Dec 2024 |
| 204 | UNION | Andrews County, TX | Oil & Gas Property | Dec 2024 |
| 205 | UNION CENT | Nueces County, TX | Oil & Gas Property | Aug 2023 |
| 206 | UNION CENTRAL | Denton County, TX | Oil & Gas Property | Dec 2024 |
| 207 | UNION CENTRAL LIFE INS | Nueces County, TX | Gas Property | Dec 2024 |
| 208 | UNION CENTRAL-CONDEE WELCH (SA) 1H | Denton County, TX | Oil & Gas Property | Dec 2024 |
| 209 | UNION HILL | Washington County, TX | Oil & Gas Property | Dec 2024 |
| 210 | UNION PACIFIC | Crockett County, TX | Oil & Gas Property | Dec 2024 |
| 211 | UNION PACIFIC 7 | Crockett County, TX | Oil & Gas Property | Dec 2024 |
| 212 | UNION RANCH | Webb County, TX | Oil & Gas Property | Dec 2024 |
| 213 | UNION VALLEY A | Dawson County, TX | Oil & Gas Property | Jan 2025 |
| 214 | UNION-STATE | Crockett County, TX | Oil & Gas Property | Dec 2024 |
| 215 | UNISON | Tarrant County, TX | Gas Property | Dec 2024 |
| 216 | UNIT | Wood County, TX | Oil Property | Dec 2024 |
| 217 | UNITED 1 | Moore County, TX | Gas Property | Dec 2024 |
| 218 | UNITED PRESBYTERIAN CHURCH | Dawson County, TX | Oil & Gas Property | Aug 2015 |
| 219 | UNITED RESOURCES 1H | Harrison County, TX | Oil & Gas Property | Dec 2024 |
| 220 | UNIV | Crockett County, TX | Oil & Gas Property | Nov 2024 |
| 221 | UNIV | Ward County, TX | Oil & Gas Property | Oct 2024 |
| 222 | UNIV. -P | Andrews County, TX | Oil & Gas Property | Dec 2024 |
| 223 | UNIV. 11 SEC. 1 | Andrews County, TX | Oil & Gas Property | Dec 2024 |
| 224 | UNIV. CONSOLIDATED X | Andrews County, TX | Oil & Gas Property | Dec 2024 |
| 225 | UNIV2 HR | Andrews County, TX | Oil & Gas Property | Dec 2024 |
| 226 | UNIV3 VINCENT2 | Upton County, TX | Oil & Gas Property | Nov 2024 |
| 227 | UNIV5 | Upton County, TX | Oil & Gas Property | Nov 2022 |
| 228 | UNIV6 | Crockett County, TX | Oil & Gas Property | Dec 2024 |
| 229 | UNIVANISTON | Crane County, TX | Oil & Gas Property | Dec 2024 |
| 230 | UNIVBAILEY | Crane County, TX | Oil & Gas Property | Dec 2024 |
| 231 | UNIVCARLA | Andrews County, TX | Oil & Gas Property | Dec 2024 |
| 232 | UNIVDANA | Crockett County, TX | Oil & Gas Property | Dec 2024 |
| 233 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Dec 2024 |
| 234 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Dec 2024 |
| 235 | UNIVERSITY | Schleicher County, TX | Oil & Gas Property | Dec 2024 |
| 236 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Jan 2025 |
| 237 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Dec 2024 |
| 238 | UNIVERSITY | Ward County, TX | Oil & Gas Property | Dec 2024 |
| 239 | UNIVERSITY | Crane County, TX | Oil & Gas Property | Dec 2024 |
| 240 | UNIVERSITY | Crane County, TX | Oil & Gas Property | Dec 2024 |
| 241 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Dec 2024 |
| 242 | UNIVERSITY | Pecos County, TX | Oil & Gas Property | Jul 2024 |
| 243 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Dec 2024 |
| 244 | UNIVERSITY | Winkler County, TX | Oil & Gas Property | Dec 2024 |
| 245 | UNIVERSITY | Reagan County, TX | Oil & Gas Property | Dec 2024 |
| 246 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Dec 2024 |
| 247 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Dec 2024 |
| 248 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Dec 2024 |
| 249 | UNIVERSITY | Pecos County, TX | Oil Property | Jan 2021 |
| 250 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Dec 2024 |
| 251 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Nov 2010 |
| 252 | UNIVERSITY | Pecos County, TX | Oil & Gas Property | Dec 2024 |
| 253 | UNIVERSITY | Reagan County, TX | Oil & Gas Property | Dec 2024 |
| 254 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Dec 2024 |
| 255 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Dec 2024 |
| 256 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Dec 2024 |
| 257 | UNIVERSITY | Schleicher County, TX | Oil & Gas Property | Dec 2024 |
| 258 | UNIVERSITY | Ward County, TX | Oil & Gas Property | Dec 2024 |
| 259 | UNIVERSITY | Martin County, TX | Oil & Gas Property | Dec 2024 |
| 260 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Dec 2024 |
| 261 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Dec 2024 |
| 262 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Dec 2024 |
| 263 | UNIVERSITY | Terrell County, TX | Oil & Gas Property | Dec 2024 |
| 264 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Dec 2024 |
| 265 | UNIVERSITY | Ward County, TX | Oil & Gas Property | Dec 2024 |
| 266 | UNIVERSITY | Crane County, TX | Oil & Gas Property | Dec 2024 |
| 267 | UNIVERSITY | Loving County, TX | Oil & Gas Property | Dec 2024 |
| 268 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Dec 2024 |
| 269 | UNIVERSITY | Pecos County, TX | Oil & Gas Property | Nov 2024 |
| 270 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Dec 2024 |
| 271 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Dec 2024 |
| 272 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Nov 2024 |
| 273 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Dec 2024 |
| 274 | UNIVERSITY | Terrell County, TX | Oil & Gas Property | Dec 2024 |
| 275 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Dec 2024 |
| 276 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Jan 2025 |
| 277 | UNIVERSITY | Upton County, TX | Oil & Gas Property | Dec 2024 |
| 278 | UNIVERSITY | Pecos County, TX | Oil & Gas Property | Feb 2024 |
| 279 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Dec 2024 |
| 280 | UNIVERSITY 12 | Reagan County, TX | Oil & Gas Property | Dec 2024 |
| 281 | UNIVERSITY 18-40 | Ward County, TX | Oil & Gas Property | Aug 2019 |
| 282 | UNIVERSITY 31 TAYLOR DRAW | Upton County, TX | Oil & Gas Property | Dec 2024 |
| 283 | UNIVERSITY 38 BLOCK UNIT 3819 | Crockett County, TX | Oil & Gas Property | Dec 2017 |
| 284 | UNIVERSITY 45 | Crockett County, TX | Oil & Gas Property | Nov 2024 |
| 285 | UNIVERSITY BL | Andrews County, TX | Oil & Gas Property | Dec 2024 |
| 286 | UNIVERSITY BLK 9 WOLFCAMP UNIT | Andrews County, TX | Oil & Gas Property | Dec 2024 |
| 287 | UNIVERSITY CITIES SERVICE | Crockett County, TX | Oil & Gas Property | Dec 2024 |
| 288 | UNIVERSITY CONS | Andrews County, TX | Oil & Gas Property | Dec 2024 |
| 289 | UNIVERSITY CONSOLIDATED IX | Andrews County, TX | Oil & Gas Property | Aug 2016 |
| 290 | UNIVERSITY CONSOLIDATED XIII | Andrews County, TX | Oil & Gas Property | Dec 2024 |
| 291 | UNIVERSITY GREAT PLAINS -B | Crockett County, TX | Oil & Gas Property | Dec 2024 |
| 292 | UNIVERSITY LANDS | Edwards County, TX | Oil & Gas Property | Dec 2024 |
| 293 | UNIVERSITY MCFARLAND 8 UNIT | Andrews County, TX | Oil & Gas Property | Dec 2024 |
| 294 | UNIVERSITY SAN ANDRES UNIT | Andrews County, TX | Oil & Gas Property | Nov 2024 |
| 295 | UNIVERSITY SOUTHERN MINERALS | Andrews County, TX | Oil & Gas Property | Dec 2024 |
| 296 | UNIVERSITY TB(SHALLOW) UNIT A-1 | Andrews County, TX | Oil & Gas Property | Dec 2024 |
| 297 | UNIVERSITY WADDELL DEVONIAN UNIT | Crane County, TX | Oil & Gas Property | Dec 2024 |
| 298 | UNIVERSITY WEST | Tarrant County, TX | Gas Property | Dec 2024 |
| 299 | UNIVERSITY/ENERGEN GRAYBURG UNIT | Andrews County, TX | Oil & Gas Property | Nov 2024 |
| 300 | UNIVERSITYNATALIE | Crockett County, TX | Oil & Gas Property | Dec 2024 |