| 301 | HALLSVILLE NORTHEAST CRANE UNIT | Harrison County, TX | Oil & Gas Property | Jun 2026 |
| 302 | HALM BONN | Frio County, TX | Oil & Gas Property | Apr 1993 |
| 303 | HALMAN | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 304 | HALMAN-SMITH | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 305 | HALOGEN | Midland County, TX | Oil & Gas Property | Jun 2026 |
| 306 | HALPERT | Howard County, TX | Oil & Gas Property | May 2026 |
| 307 | HALSELL | Dimmit County, TX | Oil & Gas Property | Jun 2026 |
| 308 | HALSELL | Clay County, TX | Oil & Gas Property | Jun 2026 |
| 309 | HALSELL | Palo Pinto County, TX | Oil & Gas Property | Jun 2026 |
| 310 | HALSELL DALLAS PRODUCTION UNIT | Palo Pinto County, TX | Oil & Gas Property | Feb 2023 |
| 311 | HALSELL FURD ESTATE | Clay County, TX | Oil & Gas Property | Jun 2026 |
| 312 | HALSEY | Martin County, TX | Oil & Gas Property | Jun 2026 |
| 313 | HAM A | Reagan County, TX | Oil & Gas Property | Jun 2026 |
| 314 | HAM B | Reagan County, TX | Oil & Gas Property | Jun 2026 |
| 315 | HAM C. E | Reagan County, TX | Oil & Gas Property | Feb 2026 |
| 316 | HAM C1 | Reagan County, TX | Oil & Gas Property | Jun 2026 |
| 317 | HAM GAS UNIT | Freestone County, TX | Oil & Gas Property | Jun 2026 |
| 318 | HAM GOSSETT SE /ROD/ O. U | Kaufman County, TX | Oil & Gas Property | Apr 2018 |
| 319 | HAM J | Jack County, TX | Oil & Gas Property | Jun 2026 |
| 320 | HAM J. A | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 321 | HAM RANCH | Reagan County, TX | Oil & Gas Property | Jun 2026 |
| 322 | HAM UNIT RE M 2 | Reagan County, TX | Oil & Gas Property | Jun 2026 |
| 323 | HAM-BONE | Jack County, TX | Oil & Gas Property | Jun 2026 |
| 324 | HAM-LANE | Jack County, TX | Oil & Gas Property | Jun 2026 |
| 325 | HAMBLIN | Liberty County, TX | Oil & Gas Property | Mar 2016 |
| 326 | HAMBRICK | Dawson County, TX | Oil & Gas Property | Jun 2026 |
| 327 | HAMBURGLAR | Loving County, TX | Oil & Gas Property | Jun 2026 |
| 328 | HAMBY | Wilson County, TX | Oil & Gas Property | May 2026 |
| 329 | HAMBY HEIRS | Gregg County, TX | Oil & Gas Property | Jun 2026 |
| 330 | HAMER | Lee County, TX | Oil & Gas Property | May 2026 |
| 331 | HAMFF | Lee County, TX | Oil & Gas Property | Sep 2017 |
| 332 | HAMIL | Dawson County, TX | Oil & Gas Property | Jun 2026 |
| 333 | HAMILL | Hockley County, TX | Oil & Gas Property | Jun 2026 |
| 334 | HAMILL | Harris County, TX | Oil & Gas Property | Jun 2026 |
| 335 | HAMILL FLORENCE 26 | Sutton County, TX | Oil & Gas Property | Apr 2026 |
| 336 | HAMILL FOUNDATION , ET AL | Anderson County, TX | Oil Property | Jun 2026 |
| 337 | HAMILL GAS UNIT | Harris County, TX | Oil & Gas Property | Jun 2026 |
| 338 | HAMILL T. A | Hockley County, TX | Oil & Gas Property | Jun 2026 |
| 339 | HAMILTON | Dimmit County, TX | Oil & Gas Property | Jun 2026 |
| 340 | HAMILTON | Young County, TX | Oil & Gas Property | Jun 2026 |
| 341 | HAMILTON | Irion County, TX | Oil & Gas Property | May 2026 |
| 342 | HAMILTON | Duval County, TX | Oil & Gas Property | Jun 2026 |
| 343 | HAMILTON | Harrison County, TX | Oil & Gas Property | Jun 2026 |
| 344 | HAMILTON | Jack County, TX | Oil & Gas Property | Jun 2026 |
| 345 | HAMILTON | Archer County, TX | Oil & Gas Property | May 2026 |
| 346 | HAMILTON | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 347 | HAMILTON | Dimmit County, TX | Oil & Gas Property | Jun 2026 |
| 348 | HAMILTON | Hutchinson County, TX | Oil & Gas Property | May 2016 |
| 349 | HAMILTON | Wichita County, TX | Oil Property | Jun 2026 |
| 350 | HAMILTON | Brazos County, TX | Oil & Gas Property | May 2026 |
| 351 | HAMILTON | Yoakum County, TX | Oil & Gas Property | Jun 2026 |
| 352 | HAMILTON | Webb County, TX | Oil & Gas Property | Jun 2026 |
| 353 | HAMILTON | Coke County, TX | Oil & Gas Property | Jun 2026 |
| 354 | HAMILTON | Gaines County, TX | Oil & Gas Property | Jun 2026 |
| 355 | HAMILTON | Martin County, TX | Oil & Gas Property | Apr 2026 |
| 356 | HAMILTON | Throckmorton County, TX | Oil & Gas Property | Jun 2026 |
| 357 | HAMILTON | Live Oak County, TX | Oil & Gas Property | Jun 2026 |
| 358 | HAMILTON | Sherman County, TX | Oil & Gas Property | Jun 2026 |
| 359 | HAMILTON | Gonzales County, TX | Oil & Gas Property | Jun 2026 |
| 360 | HAMILTON | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 361 | HAMILTON | Young County, TX | Oil & Gas Property | Jun 2026 |
| 362 | HAMILTON | Motley County, TX | Oil & Gas Property | May 2021 |
| 363 | HAMILTON | Montague County, TX | Oil & Gas Property | Jun 2026 |
| 364 | HAMILTON | Milam County, TX | Oil & Gas Property | Jan 2025 |
| 365 | HAMILTON | Hockley County, TX | Oil & Gas Property | Jun 2026 |
| 366 | HAMILTON | Wheeler County, TX | Oil & Gas Property | Jun 2026 |
| 367 | HAMILTON | Cooke County, TX | Oil & Gas Property | Jun 2026 |
| 368 | HAMILTON | Eastland County, TX | Oil & Gas Property | Jun 2026 |
| 369 | HAMILTON | Mitchell County, TX | Oil & Gas Property | Jul 2020 |
| 370 | HAMILTON | Clay County, TX | Oil & Gas Property | Jun 2025 |
| 371 | HAMILTON | Montague County, TX | Oil & Gas Property | Jun 2026 |
| 372 | HAMILTON | Young County, TX | Oil & Gas Property | Feb 2026 |
| 373 | HAMILTON | Young County, TX | Oil & Gas Property | Jun 2026 |
| 374 | HAMILTON 26 | Martin County, TX | Oil & Gas Property | Apr 2026 |
| 375 | HAMILTON 6 | Howard County, TX | Oil & Gas Property | Jun 2026 |
| 376 | HAMILTON A-D. WARZECHA A SA | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 377 | HAMILTON A-KICKENDAHL UNIT 1 SA | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 378 | HAMILTON B-HOOKS 3 USW | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 379 | HAMILTON CLARENCE L | Denton County, TX | Gas Property | Jun 2026 |
| 380 | HAMILTON DIAN | Bee County, TX | Oil & Gas Property | Jun 2026 |
| 381 | HAMILTON ETAL | Wichita County, TX | Oil & Gas Property | Jun 2026 |
| 382 | HAMILTON GLOVIER | Panola County, TX | Oil & Gas Property | Jun 2026 |
| 383 | HAMILTON J.H | Jackson County, TX | Oil & Gas Property | Jun 2026 |
| 384 | HAMILTON NORTHWEST | Loving County, TX | Oil & Gas Property | Jun 2026 |
| 385 | HAMILTON R. R | Wichita County, TX | Oil & Gas Property | Apr 2026 |
| 386 | HAMILTON SOUTHEAST | Loving County, TX | Oil & Gas Property | Jun 2026 |
| 387 | HAMILTON TRUST | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 388 | HAMILTON VERHALEN | Harrison County, TX | Gas Property | Jun 2026 |
| 389 | HAMILTON W. A | Garza County, TX | Oil & Gas Property | May 2026 |
| 390 | HAMILTON-SLAUGHTER | Webb County, TX | Oil & Gas Property | Jun 2026 |
| 391 | HAMKER | Lipscomb County, TX | Oil & Gas Property | Jun 2026 |
| 392 | HAMKER | Ochiltree County, TX | Oil & Gas Property | Jun 2026 |
| 393 | HAMLETT | Shelby County, TX | Oil & Gas Property | Jun 2026 |
| 394 | HAMLETT | Scurry County, TX | Oil & Gas Property | Jun 2026 |
| 395 | HAMLIN | Howard County, TX | Oil & Gas Property | Jun 2026 |
| 396 | HAMLIN | Howard County, TX | Oil & Gas Property | Jun 2026 |
| 397 | HAMLIN | Fisher County, TX | Oil & Gas Property | Jun 2026 |
| 398 | HAMLIN-MIDDLETON UNIT 16-21 | Howard County, TX | Oil & Gas Property | Jun 2026 |
| 399 | HAMM | Martin County, TX | Oil & Gas Property | Sep 2023 |
| 400 | HAMM 1H | Wise County, TX | Oil & Gas Property | Jun 2026 |