| 29401 | ONEIL | Collingsworth County, TX | Oil & Gas Property | Jan 2025 |
| 29402 | ONEIL | Pecos County, TX | Oil & Gas Property | Dec 2018 |
| 29403 | ONEIL | Cochran County, TX | Oil & Gas Property | Mar 2014 |
| 29404 | ONEIL 4 | Martin County, TX | Oil & Gas Property | Dec 2024 |
| 29405 | ONEILL-BIEL UNIT | Frio County, TX | Oil & Gas Property | Dec 2024 |
| 29406 | ONEY | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 29407 | ONEY ALTON J. GAS UNIT 1H | Harrison County, TX | Oil & Gas Property | Jan 2025 |
| 29408 | ONEY HENRY | Harrison County, TX | Oil & Gas Property | Jan 2025 |
| 29409 | ONYX | Crockett County, TX | Oil & Gas Property | Nov 2024 |
| 29410 | ONYX | Gonzales County, TX | Oil & Gas Property | Jan 2025 |
| 29411 | OPAL | Gonzales County, TX | Oil & Gas Property | Jan 2025 |
| 29412 | OPAL HV | Panola County, TX | Gas Property | Jan 2025 |
| 29413 | OPEILA | Karnes County, TX | Oil & Gas Property | Jan 2025 |
| 29414 | OPEN RANGE 28-29 | Martin County, TX | Oil & Gas Property | Jan 2025 |
| 29415 | OPEN UNIT | Howard County, TX | Oil & Gas Property | Jan 2025 |
| 29416 | OPIE | Ector County, TX | Oil & Gas Property | Jan 2025 |
| 29417 | OPIE TAYLOR | Martin County, TX | Oil & Gas Property | Jan 2025 |
| 29418 | OPIELA | Karnes County, TX | Oil & Gas Property | Jan 2025 |
| 29419 | OPIELA UNIT | Karnes County, TX | Oil & Gas Property | Jan 2025 |
| 29420 | OPPENHEIMER | Frio County, TX | Oil & Gas Property | Jan 2025 |
| 29421 | OPPENHEIMER 188 | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 29422 | OPPENHEIMER JESSIE D | Frio County, TX | Oil & Gas Property | Apr 2022 |
| 29423 | OPTIMUS PRIME | Henderson County, TX | Oil & Gas Property | Dec 2024 |
| 29424 | OPUS | Hill County, TX | Oil & Gas Property | Jan 2025 |
| 29425 | OQUINN C. F | Rusk County, TX | Oil & Gas Property | Dec 2024 |
| 29426 | ORAN 4 | Palo Pinto County, TX | Oil & Gas Property | Jan 2025 |
| 29427 | ORAN-PATTON | Palo Pinto County, TX | Oil & Gas Property | Sep 2012 |
| 29428 | ORAND | Freestone County, TX | Oil & Gas Property | Jan 2025 |
| 29429 | ORAND GAS UNIT NO. 1 | Freestone County, TX | Oil & Gas Property | Jan 2025 |
| 29430 | ORANGE CRUSH UNIT 9 | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 29431 | ORANGE UNIT | Atascosa County, TX | Oil & Gas Property | Jan 2025 |
| 29432 | ORANGEMEN DU 1H | Shelby County, TX | Gas Property | Jan 2025 |
| 29433 | ORANSKY M.B. ET AL | Freestone County, TX | Oil & Gas Property | Aug 2024 |
| 29434 | ORBISON 28 | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 29435 | ORBIT 51-7-21-16 | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 29436 | ORCA EAGLEFORD UNIT | Brazos County, TX | Oil & Gas Property | Dec 2024 |
| 29437 | ORCA UNIT | Brazos County, TX | Oil & Gas Property | Dec 2024 |
| 29438 | ORCA UNIT NO | Brazos County, TX | Oil & Gas Property | Dec 2024 |
| 29439 | ORCHARD 40 | Glasscock County, TX | Oil & Gas Property | Jan 2025 |
| 29440 | ORCHARD L. B | Archer County, TX | Oil & Gas Property | Jan 2025 |
| 29441 | ORD NAN D | Young County, TX | Oil & Gas Property | Jan 2025 |
| 29442 | OREDIGGER | Howard County, TX | Oil & Gas Property | Jan 2025 |
| 29443 | OREILLY WA | Ector County, TX | Oil & Gas Property | Jan 2025 |
| 29444 | OREL HERSHISER 32-41 | Midland County, TX | Oil & Gas Property | Jan 2025 |
| 29445 | OREL HERSHISER 41-32 | Midland County, TX | Oil & Gas Property | Jan 2025 |
| 29446 | ORELIA RANCH | Frio County, TX | Oil & Gas Property | Jan 2025 |
| 29447 | ORELLANA | Irion County, TX | Oil & Gas Property | Jan 2025 |
| 29448 | OREM | Moore County, TX | Gas Property | Jan 2025 |
| 29449 | ORGAIN | Liberty County, TX | Oil & Gas Property | Oct 2023 |
| 29450 | ORGAIN B. D | Hardin County, TX | Oil & Gas Property | Dec 2024 |
| 29451 | ORGAIN HEIRS | Bastrop County, TX | Oil & Gas Property | Jan 2025 |
| 29452 | ORGANIC | Midland County, TX | Oil & Gas Property | Jan 2025 |
| 29453 | ORIENT 1-12 | Howard County, TX | Oil & Gas Property | Jan 2025 |
| 29454 | ORIN FORTENBERRY GAS UNIT | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 29455 | ORINGDERFF | Ochiltree County, TX | Oil & Gas Property | Jan 2025 |
| 29456 | ORINGDERFF EATON | Ochiltree County, TX | Oil & Gas Property | Jan 2025 |
| 29457 | ORION | Atascosa County, TX | Oil & Gas Property | Jan 2025 |
| 29458 | ORION | Loving County, TX | Oil & Gas Property | Jan 2025 |
| 29459 | ORION 1H | Frio County, TX | Oil & Gas Property | Jan 2025 |
| 29460 | ORION UNIT | Shelby County, TX | Gas Property | Jan 2025 |
| 29461 | ORIVE A | Starr County, TX | Oil & Gas Property | Jan 2025 |
| 29462 | ORLA | Reeves County, TX | Oil & Gas Property | Mar 2021 |
| 29463 | ORME CHARLSIE | Palo Pinto County, TX | Oil & Gas Property | Jan 2025 |
| 29464 | ORMS | Gregg County, TX | Oil & Gas Property | Jan 2025 |
| 29465 | ORMSBY | Johnson County, TX | Oil & Gas Property | Jan 2025 |
| 29466 | ORO NEGRO UNIT | Dewitt County, TX | Oil & Gas Property | Jan 2025 |
| 29467 | ORPHEUM | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 29468 | ORR A | Karnes County, TX | Oil & Gas Property | Jan 2025 |
| 29469 | ORR J. B | Upshur County, TX | Oil & Gas Property | Dec 2021 |
| 29470 | ORR RANCH UNIT | Karnes County, TX | Oil & Gas Property | Sep 2024 |
| 29471 | ORR ROBERT | Milam County, TX | Oil & Gas Property | Dec 2024 |
| 29472 | ORR UNIT | Marion County, TX | Oil & Gas Property | Jan 2025 |
| 29473 | ORR UNIT | Karnes County, TX | Oil & Gas Property | Jan 2025 |
| 29474 | ORR UNIT | Ellis County, TX | Gas Property | Dec 2024 |
| 29475 | ORR WILLIAM | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 29476 | ORR WM | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 29477 | ORR WM. -A- UNIT 2C | Wise County, TX | Gas Property | Jan 2025 |
| 29478 | ORR, E.L | Jones County, TX | Oil & Gas Property | Apr 2013 |
| 29479 | ORR-BURKS GU | Rusk County, TX | Oil & Gas Property | Jul 2024 |
| 29480 | ORR-TIPPS | Rusk County, TX | Oil & Gas Property | Jan 2025 |
| 29481 | ORSBORN | Taylor County, TX | Oil & Gas Property | Jul 2023 |
| 29482 | ORSBORN | King County, TX | Oil & Gas Property | Oct 2024 |
| 29483 | ORSON | Martin County, TX | Oil & Gas Property | Jan 2025 |
| 29484 | ORSON | Andrews County, TX | Oil & Gas Property | Jan 2025 |
| 29485 | ORSON-BILLY 139 | Martin County, TX | Oil & Gas Property | Jan 2025 |
| 29486 | ORTEGA | Reagan County, TX | Oil & Gas Property | Jan 2025 |
| 29487 | ORTHA JONES 41 | Ochiltree County, TX | Oil & Gas Property | Jan 2025 |
| 29488 | ORTHRUS UNIT | Borden County, TX | Oil & Gas Property | Jan 2025 |
| 29489 | ORTIZ RANCH | Webb County, TX | Oil & Gas Property | Jan 2025 |
| 29490 | ORTMANN | Wilson County, TX | Oil & Gas Property | Jan 2025 |
| 29491 | ORTON | Clay County, TX | Oil & Gas Property | Jan 2025 |
| 29492 | ORTON A | Archer County, TX | Oil & Gas Property | Jan 2025 |
| 29493 | ORTON UNIT | Karnes County, TX | Oil & Gas Property | Jan 2025 |
| 29494 | ORTS,H.P | Gonzales County, TX | Oil & Gas Property | Jan 2025 |
| 29495 | ORVIS 37 | Martin County, TX | Oil & Gas Property | Jan 2025 |
| 29496 | ORYX | Atascosa County, TX | Oil & Gas Property | Jan 2025 |
| 29497 | ORYX 13 | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 29498 | ORYX 53-2-12 | Loving County, TX | Oil & Gas Property | Jan 2025 |
| 29499 | ORYX FEE | Hardin County, TX | Oil Property | Jan 2025 |
| 29500 | ORYX HUNTER | Lavaca County, TX | Oil & Gas Property | Jan 2025 |