| 501 | ROBERTSON OMIE GAS UNIT 1 | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 502 | ROE-MAXWELL | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 503 | ROGERS BILLY NEAL | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 504 | ROGERS ESTATE | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 505 | ROGERS FINIS | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 506 | ROGERS FRED | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 507 | ROGERS GAS UNIT | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 508 | ROGERS GAS UNIT | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 509 | ROGERS GAS UNIT | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 510 | ROGERS-SILER HEIRS (SA) | Rusk County, TX | Oil & Gas Property | Jan 2026 |
| 511 | ROMAN GAS UNIT | Rusk County, TX | Oil & Gas Property | Feb 2026 |
| 512 | ROPER LEON | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 513 | ROSS D. GU | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 514 | ROSS ESSIE | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 515 | ROSS LUTHER GAS UNIT | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 516 | ROSS TUCKER GU | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 517 | ROSSON-WARD LAND CO | Rusk County, TX | Oil & Gas Property | Feb 2026 |
| 518 | RUSHTON | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 519 | RUSK COUNTY AIRPORT GAS UNIT 1 | Rusk County, TX | Oil & Gas Property | Feb 2026 |
| 520 | RUSSELL | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 521 | RUSSELL R | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 522 | RUSSELL R. F | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 523 | RUST ARNOLD UNIT | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 524 | RUST ESTATE | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 525 | SANDERS S. E | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 526 | SCHUYLER | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 527 | SCOTT A | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 528 | SENESAC | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 529 | SEXTON | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 530 | SEXTON HENRY -B- A/C | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 531 | SEXTON, W | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 532 | SHAW | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 533 | SHAW UNIT | Rusk County, TX | Oil & Gas Property | Feb 2026 |
| 534 | SHAW, R. W | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 535 | SHELTON | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 536 | SHEPPARD | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 537 | SHEPPARD B | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 538 | SHILOH UPPER PETTIT UNIT | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 539 | SILER | Rusk County, TX | Oil & Gas Property | Jan 2007 |
| 540 | SILER | Rusk County, TX | Oil & Gas Property | Feb 2026 |
| 541 | SILER W.H | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 542 | SILVEY | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 543 | SLACK | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 544 | SMITH | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 545 | SMITH DURWOOD A | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 546 | SMITH MARY | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 547 | SMITH R.T | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 548 | SMITH, TALMADGE | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 549 | SNEAD J. E. B | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 550 | SNELGROVE R | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 551 | SOONER GAS UNIT | Rusk County, TX | Oil & Gas Property | Feb 2026 |
| 552 | SOUTH KILGORE UNIT | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 553 | SPARKMAN | Rusk County, TX | Oil & Gas Property | Oct 2025 |
| 554 | SPIKES GAS UNIT | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 555 | SPIVEY J. H | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 556 | STATE OF TEXAS | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 557 | STEPHENS EUNICE | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 558 | STILL C. C | Rusk County, TX | Oil & Gas Property | Nov 2022 |
| 559 | STILL GAS UNIT 1 | Rusk County, TX | Oil & Gas Property | Jan 2026 |
| 560 | STINGRAY | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 561 | STONE | Rusk County, TX | Oil & Gas Property | Apr 2010 |
| 562 | STOVALL | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 563 | STRONG | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 564 | STRONG B.E. GAS UNIT | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 565 | STRONG C.W. GAS UNIT | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 566 | STRONG GAS UNIT | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 567 | STRONG T. GAS UNIT | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 568 | STRONG W.C | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 569 | STRONG-CRIM (AW) | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 570 | STROUD | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 571 | STROUD COTTON | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 572 | STROUD GAS UNIT NO. 1 | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 573 | SWILEY T | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 574 | TALIAFERRO | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 575 | TALLEY M. M | Rusk County, TX | Oil & Gas Property | Jun 2025 |
| 576 | TANNER SE GU | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 577 | TATE GAS UNIT | Rusk County, TX | Oil & Gas Property | Feb 2026 |
| 578 | TATUM CRANE UNIT | Rusk County, TX | Oil & Gas Property | Feb 2026 |
| 579 | TAYLOR | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 580 | TAYLOR A.B | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 581 | TAYLOR GAY GAS UNIT | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 582 | TEMPLE | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 583 | TEMPLE IND | Rusk County, TX | Oil & Gas Property | Nov 2024 |
| 584 | TERRELL GAS UNIT | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 585 | TEXANA GU NO. 1 | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 586 | TEXAS UTILITIES | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 587 | TEXAS UTILITIES GAS UNIT | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 588 | THEALE NORTH (AW) 1H | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 589 | THEALE SOUTH (AW) 1H | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 590 | THOMPSON | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 591 | THOMPSON | Rusk County, TX | Oil & Gas Property | Feb 2026 |
| 592 | THOMPSON | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 593 | THOMPSON | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 594 | THOMPSON WILLIE ET AL GAS UNIT | Rusk County, TX | Oil & Gas Property | Feb 2026 |
| 595 | THORNTON EMMA GAS UNIT | Rusk County, TX | Oil & Gas Property | Feb 2026 |
| 596 | THORNTON HENRY | Rusk County, TX | Oil & Gas Property | Feb 2026 |
| 597 | THORNTON JAMESON | Rusk County, TX | Oil & Gas Property | Feb 2026 |
| 598 | THORNTON-HOLLAND (ALLOCATION) 1H | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 599 | THRASH | Rusk County, TX | Oil & Gas Property | Mar 2026 |
| 600 | THRASH | Rusk County, TX | Oil & Gas Property | Mar 2026 |