| 601 | RIO GUADALUPE 22-23 | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 602 | RIO LAVACA | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 603 | RIO LLANO 11-10 | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 604 | RIO NUECES 37-44 UNIT | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 605 | RIO PECOS 27-18SL UNIT | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 606 | RIO PEDERNALES 23-34 UNIT | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 607 | RIO ROJO 27-30 UNIT 1 | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 608 | RIO SABINE 39-42 UNIT 1 | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 609 | RIO SAN GABRIEL 28-29 UNIT | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 610 | RIO SAN JACINTO 38-43 | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 611 | RIO SAN MARCOS 36-45 UNIT | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 612 | RIO WICHITA 15-10 | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 613 | ROBBIE | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 614 | ROBERSON | Midland County, TX | Oil & Gas Property | Sep 2022 |
| 615 | ROBERTSON | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 616 | ROBINSON | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 617 | ROCK UNIT | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 618 | ROCKIN RODEO 05-17 175 | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 619 | ROPER | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 620 | SALLY | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 621 | SALLY | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 622 | SALSA 20 | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 623 | SANDEFUR | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 624 | SANDERS | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 625 | SARAH | Midland County, TX | Oil & Gas Property | Dec 2025 |
| 626 | SARAH ANN | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 627 | SATTERFIELD | Midland County, TX | Oil & Gas Property | Nov 2025 |
| 628 | SATURN ET 9 | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 629 | SCHARBAUER | Midland County, TX | Oil & Gas Property | Oct 2019 |
| 630 | SCHARBAUER | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 631 | SCHARBAUER | Midland County, TX | Oil & Gas Property | Jul 2024 |
| 632 | SCHARBAUER | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 633 | SCHARBAUER-BRAUN | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 634 | SEALES | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 635 | SEGA 7 | Midland County, TX | Oil & Gas Property | Dec 2025 |
| 636 | SEMPLE | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 637 | SHACKELFORD | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 638 | SHACKELFORD | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 639 | SHACKELFORD SP | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 640 | SHADY OAKS | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 641 | SHAUNA | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 642 | SHELBY FAYTH | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 643 | SHELDON "44" | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 644 | SHIRLEY | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 645 | SHULL | Midland County, TX | Oil & Gas Property | Jun 2025 |
| 646 | SHULL-CRAWFORD 15 | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 647 | SHULL-HANKS 15 | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 648 | SHULL-MIDKIFF 15 | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 649 | SILVER BULLET | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 650 | SKYWEST | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 651 | SMB TRUST | Midland County, TX | Oil & Gas Property | Feb 2024 |
| 652 | SMITH | Midland County, TX | Oil & Gas Property | Jan 2025 |
| 653 | SNELL | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 654 | SNOWDEN | Midland County, TX | Oil & Gas Property | Aug 2023 |
| 655 | SNYDER | Midland County, TX | Oil & Gas Property | Apr 2025 |
| 656 | SOA SCHARBAUER S | Midland County, TX | Oil & Gas Property | Dec 2025 |
| 657 | SONJA | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 658 | SONYA 5 | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 659 | SORGE | Midland County, TX | Oil & Gas Property | Apr 2025 |
| 660 | SOUTH BROOKS 30 | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 661 | SOUTH CURTIS RANCH | Midland County, TX | Oil & Gas Property | Jul 2012 |
| 662 | SOUTHERN HOSPITALITY | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 663 | SPANISH TRAIL | Midland County, TX | Oil & Gas Property | May 2015 |
| 664 | SPINKS | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 665 | SPOONBILL | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 666 | SPRINGER | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 667 | SRIRACHA 13 | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 668 | SSW UNIT 5 | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 669 | ST E UNIT | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 670 | ST NW | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 671 | ST S-ST RR | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 672 | ST-ST | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 673 | STANLEY | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 674 | STANLEY | Midland County, TX | Oil & Gas Property | Aug 2022 |
| 675 | STANLEY-VAUGHN 16U UNIT | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 676 | STATE-GLASS | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 677 | STATON | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 678 | STEPHENS | Midland County, TX | Oil & Gas Property | May 2025 |
| 679 | STEPHENS | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 680 | STEWART 3 | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 681 | STILT EAST | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 682 | STILT WEST | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 683 | STIMSON | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 684 | STIMSON-ATRELLE 20 | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 685 | STO SEC | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 686 | STONE COLD 11-2 UNIT 2 | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 687 | STOUT-HUNTER 25 | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 688 | SUPER JENKINS | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 689 | SUPER NES 7 | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 690 | SUTTON | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 691 | SV NO MO | Midland County, TX | Oil & Gas Property | Sep 2024 |
| 692 | SV WINDHAM | Midland County, TX | Oil & Gas Property | Apr 2025 |
| 693 | SWEATT | Midland County, TX | Oil & Gas Property | Aug 2025 |
| 694 | SWEETIE P | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 695 | SYLVIA | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 696 | SYNATSCHK | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 697 | TALON | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 698 | TANK FARM | Midland County, TX | Oil & Gas Property | Jan 2022 |
| 699 | TATOM | Midland County, TX | Oil & Gas Property | Jan 2025 |
| 700 | TEINERT | Midland County, TX | Oil & Gas Property | Dec 2025 |