| 501 | REAGAN OLENE GAS UNIT | Robertson County, TX | Oil & Gas Property | Jun 2026 |
| 502 | REAGAN-BLACK STONE-WILKINSON (AL | Cherokee County, TX | Oil & Gas Property | Jun 2026 |
| 503 | REAGAN-MERCER | Jack County, TX | Oil & Gas Property | Jan 2026 |
| 504 | REALTY TRUST | Pecos County, TX | Oil & Gas Property | Jun 2026 |
| 505 | REAMES | Shackelford County, TX | Oil & Gas Property | Apr 2026 |
| 506 | REAMES | Shackelford County, TX | Oil & Gas Property | Jun 2026 |
| 507 | REAMES | Parker County, TX | Oil & Gas Property | May 2026 |
| 508 | REASER | Austin County, TX | Oil & Gas Property | May 2026 |
| 509 | REAVES, J. B | Tyler County, TX | Oil & Gas Property | Jun 2026 |
| 510 | REAVLEY | Nacogdoches County, TX | Oil & Gas Property | Jun 2026 |
| 511 | REAVLEY TOM | Nacogdoches County, TX | Oil & Gas Property | Jun 2026 |
| 512 | REBA N MILLER | Lipscomb County, TX | Oil & Gas Property | Jun 2026 |
| 513 | REBECCA | Midland County, TX | Oil & Gas Property | May 2026 |
| 514 | REBECCA | Borden County, TX | Oil & Gas Property | Jun 2026 |
| 515 | REBECCA 6 | Martin County, TX | Oil & Gas Property | Jun 2024 |
| 516 | REBECCA BROWN KELLER UNIT | Somervell County, TX | Oil & Gas Property | Jun 2026 |
| 517 | REBECCA JEAN | Upton County, TX | Oil & Gas Property | Nov 2024 |
| 518 | REBEL 110 MIPA UNIT | Midland County, TX | Oil & Gas Property | Apr 2026 |
| 519 | REBEL 115 MIPA UNIT | Midland County, TX | Oil & Gas Property | Apr 2026 |
| 520 | REBEL 130 MIPA UNIT | Midland County, TX | Oil & Gas Property | Apr 2026 |
| 521 | REBEL 140 MIPA UNIT | Midland County, TX | Oil & Gas Property | Apr 2026 |
| 522 | REBEL 150 MIPA UNIT | Midland County, TX | Oil & Gas Property | Apr 2026 |
| 523 | REBEL 160 MIPA UNIT | Midland County, TX | Oil & Gas Property | Apr 2026 |
| 524 | REBEL FEE | Midland County, TX | Oil & Gas Property | Jun 2026 |
| 525 | REBELS SU | San Augustine County, TX | Gas Property | Jun 2026 |
| 526 | RECKLESS 1028 | Lipscomb County, TX | Oil & Gas Property | May 2026 |
| 527 | RECORD | Hutchinson County, TX | Gas Property | Jun 2026 |
| 528 | RECORD | Throckmorton County, TX | Oil & Gas Property | Jun 2026 |
| 529 | RECTOR | Guadalupe County, TX | Oil & Gas Property | Apr 2026 |
| 530 | RECTOR L.E | Nacogdoches County, TX | Oil & Gas Property | Jun 2026 |
| 531 | RECURVE 13-12 | Glasscock County, TX | Oil & Gas Property | Jun 2026 |
| 532 | RED 137W | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 533 | RED ANGUS 48 | Mitchell County, TX | Oil & Gas Property | Jun 2026 |
| 534 | RED BARCHETTA 30-19 | Ector County, TX | Oil & Gas Property | Jun 2026 |
| 535 | RED BARN | Archer County, TX | Oil Property | Jun 2026 |
| 536 | RED BARON | Live Oak County, TX | Oil & Gas Property | Jun 2026 |
| 537 | RED BLUFF | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 538 | RED BLUFF | Reeves County, TX | Oil & Gas Property | Jun 2016 |
| 539 | RED BLUFF | Loving County, TX | Oil & Gas Property | Jun 2026 |
| 540 | RED BUD W UNIT | Martin County, TX | Oil & Gas Property | Jun 2026 |
| 541 | RED BULL 1-72 | Loving County, TX | Oil & Gas Property | Jun 2026 |
| 542 | RED CLOUD | Ward County, TX | Oil & Gas Property | Feb 2023 |
| 543 | RED CLOUD | Cochran County, TX | Oil & Gas Property | Jun 2026 |
| 544 | RED CLOUD | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 545 | RED CREST | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 546 | RED CREST | Gonzales County, TX | Oil & Gas Property | Jun 2026 |
| 547 | RED CREST TRUST UNIT | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 548 | RED DEVIL | Glasscock County, TX | Oil & Gas Property | Jun 2026 |
| 549 | RED DEVIL 1 | Sherman County, TX | Oil & Gas Property | May 2026 |
| 550 | RED DRAGON UNIT | Hood County, TX | Oil & Gas Property | Jun 2026 |
| 551 | RED DRAW 310 | Yoakum County, TX | Oil & Gas Property | Jun 2026 |
| 552 | RED FOX GAS UNIT 1H | Harrison County, TX | Oil & Gas Property | Jun 2026 |
| 553 | RED HORSE | Reeves County, TX | Oil & Gas Property | Oct 2020 |
| 554 | RED HOTT CAT 4033 | Reagan County, TX | Oil & Gas Property | Jun 2026 |
| 555 | RED HULK UNIT | Howard County, TX | Oil & Gas Property | Jun 2026 |
| 556 | RED LAKE | Loving County, TX | Oil & Gas Property | Jun 2026 |
| 557 | RED LAKE | Cochran County, TX | Oil & Gas Property | Jun 2026 |
| 558 | RED LODGE C20-11 | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 559 | RED LYLE | Freestone County, TX | Oil & Gas Property | Jun 2026 |
| 560 | RED OAK | Howard County, TX | Oil & Gas Property | Jun 2026 |
| 561 | RED OAK | Hood County, TX | Oil & Gas Property | Jun 2026 |
| 562 | RED OAK | La Salle County, TX | Oil & Gas Property | Jun 2026 |
| 563 | RED OAK (WOODBINE DEXTER) UNIT | Leon County, TX | Oil & Gas Property | Jun 2026 |
| 564 | RED OAK RANCH | Parker County, TX | Oil & Gas Property | Jun 2026 |
| 565 | RED RAIDER 663 | Yoakum County, TX | Oil & Gas Property | Jun 2026 |
| 566 | RED RAIDERS ( | Shelby County, TX | Oil & Gas Property | Jun 2026 |
| 567 | RED RANCH | Dimmit County, TX | Oil & Gas Property | Jun 2026 |
| 568 | RED RIVER | San Augustine County, TX | Oil & Gas Property | Jun 2026 |
| 569 | RED RIVER | Reagan County, TX | Oil & Gas Property | Jun 2026 |
| 570 | RED RIVER | San Augustine County, TX | Oil & Gas Property | Jun 2026 |
| 571 | RED RIVER 164 | San Augustine County, TX | Gas Property | Jun 2026 |
| 572 | RED RIVER 257 A | San Augustine County, TX | Oil & Gas Property | Jun 2026 |
| 573 | RED RIVER GAS UNIT | San Augustine County, TX | Gas Property | Jun 2026 |
| 574 | RED ROCK | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 575 | RED ROCK | Ector County, TX | Oil & Gas Property | Jun 2026 |
| 576 | RED RYDER UNIT | Loving County, TX | Oil & Gas Property | May 2026 |
| 577 | RED SLOUGH UNIT | Brazos County, TX | Oil & Gas Property | May 2026 |
| 578 | RED SNAPPER | Glasscock County, TX | Oil & Gas Property | May 2026 |
| 579 | RED STAG | Brazos County, TX | Oil & Gas Property | May 2026 |
| 580 | RED STAG UNIT | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 581 | RED STATE | Reagan County, TX | Oil & Gas Property | Jun 2026 |
| 582 | RED WILLOW | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 583 | RED WINGS HV | Panola County, TX | Oil & Gas Property | Jun 2026 |
| 584 | RED WOLF | Gaines County, TX | Oil Property | Jun 2026 |
| 585 | REDBUD | Jasper County, TX | Oil Property | Jun 2026 |
| 586 | REDBUD | Burleson County, TX | Oil & Gas Property | May 2026 |
| 587 | REDBUD 55-1-12 UNIT | Loving County, TX | Oil & Gas Property | Jun 2026 |
| 588 | REDBUD STATE | Pecos County, TX | Oil & Gas Property | Jun 2026 |
| 589 | REDBUD UNIT EB | Burleson County, TX | Oil & Gas Property | Apr 2023 |
| 590 | REDCLOUD 3-5 UNIT | Pecos County, TX | Oil & Gas Property | Jun 2026 |
| 591 | REDDELL | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 592 | REDDELL M | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 593 | REDDEN | Nolan County, TX | Oil & Gas Property | May 2026 |
| 594 | REDDEN | Robertson County, TX | Oil & Gas Property | Jun 2026 |
| 595 | REDDIC JEFF | Rusk County, TX | Oil & Gas Property | Jun 2026 |
| 596 | REDDICK (V) | Grayson County, TX | Oil & Gas Property | Jun 2026 |
| 597 | REDDITT OU A | Shelby County, TX | Oil & Gas Property | Jan 2026 |
| 598 | REDELSPERGER | Lipscomb County, TX | Oil & Gas Property | Jun 2026 |
| 599 | REDELSPERGER | Lipscomb County, TX | Oil & Gas Property | Jun 2026 |
| 600 | REDELSPERGER | Lipscomb County, TX | Oil & Gas Property | May 2026 |