| 601 | RENZO | Tarrant County, TX | Gas Property | Aug 2022 |
| 602 | REVEILLE | Tarrant County, TX | Gas Property | Sep 2018 |
| 603 | RICE LOH | Tarrant County, TX | Gas Property | Jan 2025 |
| 604 | RICHARDSON | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 605 | RICHARDSON VIRGINIA UNIT | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 606 | RICHLAND HILLS | Tarrant County, TX | Gas Property | Jan 2025 |
| 607 | RICKETTS UNIT 1H | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 608 | RIDGLEA | Tarrant County, TX | Gas Property | Jan 2025 |
| 609 | RIDGLEA TRIANGLE | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 610 | RIDGMAR | Tarrant County, TX | Gas Property | Jan 2025 |
| 611 | RITCHIE | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 612 | RIVERCREST | Tarrant County, TX | Gas Property | Jan 2025 |
| 613 | RIVERSIDE 1H | Tarrant County, TX | Gas Property | Jan 2025 |
| 614 | RLB 2H | Tarrant County, TX | Gas Property | Jan 2025 |
| 615 | RLB 3H | Tarrant County, TX | Gas Property | Jan 2025 |
| 616 | RLB 4H | Tarrant County, TX | Gas Property | Jan 2025 |
| 617 | RLB 5H | Tarrant County, TX | Gas Property | Jan 2025 |
| 618 | RLB 6H | Tarrant County, TX | Gas Property | Jan 2025 |
| 619 | ROBINSON BARNEY | Tarrant County, TX | Gas Property | Jan 2025 |
| 620 | ROCHIN UNIT | Tarrant County, TX | Gas Property | Jan 2025 |
| 621 | ROCK CREEK | Tarrant County, TX | Gas Property | Jan 2025 |
| 622 | ROCKERFELLOW UNIT | Tarrant County, TX | Gas Property | Jan 2025 |
| 623 | ROCKING HORSE | Tarrant County, TX | Gas Property | Jan 2025 |
| 624 | ROCKING HORSE WEST WING MIPA | Tarrant County, TX | Gas Property | Jan 2025 |
| 625 | ROCKY CREEK RANCH | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 626 | ROCKY CRK RCH-LONESOME DOVE (SA) | Tarrant County, TX | Oil & Gas Property | Nov 2019 |
| 627 | RODEO GUSHER | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 628 | ROGERS | Tarrant County, TX | Gas Property | Jan 2025 |
| 629 | ROLLING HILLS | Tarrant County, TX | Gas Property | Jan 2025 |
| 630 | ROSE A UNIT | Tarrant County, TX | Gas Property | Jan 2025 |
| 631 | ROSE B UNIT | Tarrant County, TX | Gas Property | Jan 2025 |
| 632 | ROSE B-ROSE C UNIT SA 1H | Tarrant County, TX | Gas Property | Jan 2025 |
| 633 | ROSE C UNIT 1H | Tarrant County, TX | Gas Property | Jan 2025 |
| 634 | ROSEDALE | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 635 | ROSEDALE NORTH MIPA | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 636 | ROSEDALE S | Tarrant County, TX | Gas Property | Jan 2025 |
| 637 | ROSEN | Tarrant County, TX | Gas Property | Jan 2025 |
| 638 | ROSEN | Tarrant County, TX | Gas Property | Jun 2011 |
| 639 | ROWAN B UNIT | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 640 | ROWAN C UNIT 1H | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 641 | RPV HAWK B MIPA | Tarrant County, TX | Gas Property | Jan 2025 |
| 642 | RPV HILLS B MIPA 1H | Tarrant County, TX | Gas Property | Jan 2025 |
| 643 | RUDDER 3H | Tarrant County, TX | Gas Property | Jan 2025 |
| 644 | RUSTIC MEADOWS UNIT | Tarrant County, TX | Gas Property | Dec 2024 |
| 645 | RYFFEL | Tarrant County, TX | Gas Property | Jan 2025 |
| 646 | SABRE | Tarrant County, TX | Gas Property | Jan 2025 |
| 647 | SALUSKY UNIT A | Tarrant County, TX | Gas Property | Jan 2025 |
| 648 | SALVATION | Tarrant County, TX | Gas Property | Apr 2021 |
| 649 | SAMMONS RICHARDSON UNIT | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 650 | SAMPSON JACK | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 651 | SANSOM MARION UNIT 2H | Tarrant County, TX | Gas Property | Jan 2025 |
| 652 | SANSOM PARK UNIT | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 653 | SANSOM UNIT | Tarrant County, TX | Gas Property | Jan 2025 |
| 654 | SANSOM WEST UNIT 3H | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 655 | SASHA | Tarrant County, TX | Gas Property | Jan 2025 |
| 656 | SAWYER | Tarrant County, TX | Gas Property | Jan 2025 |
| 657 | SCHMITZ UNIT | Tarrant County, TX | Gas Property | Jan 2025 |
| 658 | SCHROEDER UNIT | Tarrant County, TX | Gas Property | Jan 2025 |
| 659 | SCHULTZ WALKER UNIT | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 660 | SCHWARZ | Tarrant County, TX | Gas Property | Jan 2025 |
| 661 | SDA A UNIT | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 662 | SDA B UNIT | Tarrant County, TX | Gas Property | Jan 2025 |
| 663 | SDA C UNIT | Tarrant County, TX | Gas Property | Jan 2025 |
| 664 | SDA C-B-A-HYDER SA 1H | Tarrant County, TX | Gas Property | Jan 2025 |
| 665 | SEMONES MURPHY UNIT | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 666 | SEMPLE UNIT 1H | Tarrant County, TX | Oil & Gas Property | Dec 2024 |
| 667 | SESSIONS THELMA | Tarrant County, TX | Gas Property | Jan 2025 |
| 668 | SHADY OAK FARM | Tarrant County, TX | Gas Property | Jan 2025 |
| 669 | SHADY OAKS | Tarrant County, TX | Gas Property | Jan 2025 |
| 670 | SHALE HOUSE ROCK UNIT | Tarrant County, TX | Gas Property | Jan 2025 |
| 671 | SHELTON J. TOM | Tarrant County, TX | Gas Property | Jan 2025 |
| 672 | SHERRILL KNAPP UNIT | Tarrant County, TX | Gas Property | Dec 2016 |
| 673 | SHG MINERALS | Tarrant County, TX | Gas Property | Jan 2025 |
| 674 | SITTING BULL UNIT | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 675 | SKYLINE | Tarrant County, TX | Gas Property | Jan 2025 |
| 676 | SLAUGHTER HEIGHTS UNIT | Tarrant County, TX | Gas Property | Jan 2025 |
| 677 | SLAY C. W | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 678 | SMITH | Tarrant County, TX | Gas Property | Jan 2025 |
| 679 | SMITH UNIT | Tarrant County, TX | Gas Property | Jan 2025 |
| 680 | SNEFFELS 1H | Tarrant County, TX | Gas Property | Jan 2025 |
| 681 | SNOW | Tarrant County, TX | Gas Property | Jan 2025 |
| 682 | SORROW NORTH UNIT 1H | Tarrant County, TX | Gas Property | Jan 2025 |
| 683 | SORROW SOUTH UNIT | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 684 | SOUTH LEWIS UNIT | Tarrant County, TX | Gas Property | Jan 2025 |
| 685 | SOUTH LOOP 820 UNIT | Tarrant County, TX | Gas Property | Jun 2024 |
| 686 | SOUTHCLIFF | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 687 | SOUTHEAST MANSFIELD UNIT | Tarrant County, TX | Gas Property | Jan 2025 |
| 688 | SOUTHERN ROCHIN | Tarrant County, TX | Gas Property | Jan 2025 |
| 689 | SOWELL | Tarrant County, TX | Gas Property | Jan 2025 |
| 690 | SOWELL NORTH A 3H | Tarrant County, TX | Gas Property | Dec 2018 |
| 691 | SPARTO | Tarrant County, TX | Gas Property | Jul 2019 |
| 692 | SPINKS | Tarrant County, TX | Gas Property | Jan 2025 |
| 693 | STAGECOACH | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 694 | STANLEY | Tarrant County, TX | Gas Property | Jan 2025 |
| 695 | STEEPLES | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 696 | STEEPLES-MARTIN (SA) | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 697 | STERLING | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 698 | STEVENSON UNIT | Tarrant County, TX | Gas Property | Jan 2025 |
| 699 | STONER | Tarrant County, TX | Gas Property | Jan 2025 |
| 700 | STRUCTURAL STEEL | Tarrant County, TX | Gas Property | Jan 2025 |