| 36401 | SOUTHLAND PAPER MILLS | Nacogdoches County, TX | Oil & Gas Property | Apr 2026 |
| 36402 | SOUTHLAND PAPER MILLS | Polk County, TX | Oil & Gas Property | Apr 2026 |
| 36403 | SOUTHLAND ROYALTY | Andrews County, TX | Oil & Gas Property | Apr 2026 |
| 36404 | SOUTHLAND ROYALTY | Pecos County, TX | Oil & Gas Property | Apr 2026 |
| 36405 | SOUTHLAND ROYALTY CO | Scurry County, TX | Oil & Gas Property | May 2016 |
| 36406 | SOUTHWEST | Starr County, TX | Oil & Gas Property | Apr 2026 |
| 36407 | SOUTHWEST 39-34 (ALLOC | Howard County, TX | Oil & Gas Property | Apr 2026 |
| 36408 | SOUTHWEST ANDREWS UNIT | Andrews County, TX | Oil & Gas Property | Apr 2026 |
| 36409 | SOUTHWEST FARM & RANCH | Starr County, TX | Oil & Gas Property | Apr 2026 |
| 36410 | SOUTHWEST GARZA UNIT | Garza County, TX | Oil & Gas Property | Apr 2026 |
| 36411 | SOUTHWEST LEVELLAND UNIT | Cochran County, TX | Oil & Gas Property | Apr 2026 |
| 36412 | SOUTHWEST MCELROY UNIT | Upton County, TX | Oil & Gas Property | Mar 2026 |
| 36413 | SOUTHWEST NENA LUCIA UNIT | Nolan County, TX | Oil & Gas Property | Apr 2026 |
| 36414 | SOUTHWEST OIL & LAND INC | Hidalgo County, TX | Oil & Gas Property | Apr 2026 |
| 36415 | SOUTHWEST RANGER | Eastland County, TX | Oil & Gas Property | Mar 2013 |
| 36416 | SOUTHWEST TEXAS CORP | San Patricio County, TX | Oil & Gas Property | Apr 2025 |
| 36417 | SOUTHWEST TEXAS CORP | Starr County, TX | Oil & Gas Property | Apr 2026 |
| 36418 | SOUTHWESTERN MEDICAL FOUNDATION | Harrison County, TX | Oil & Gas Property | Apr 2026 |
| 36419 | SOUTHWORTH | Robertson County, TX | Oil & Gas Property | Apr 2026 |
| 36420 | SOVEREIGN | Eastland County, TX | Oil & Gas Property | Mar 2026 |
| 36421 | SOVEREIGN 28-0-18-7 | Loving County, TX | Oil & Gas Property | Apr 2026 |
| 36422 | SOW 21 | Howard County, TX | Oil & Gas Property | Mar 2026 |
| 36423 | SOWDERS | Eastland County, TX | Oil & Gas Property | Aug 2020 |
| 36424 | SOWELL | King County, TX | Oil & Gas Property | Apr 2026 |
| 36425 | SOWELL | Tarrant County, TX | Gas Property | Apr 2026 |
| 36426 | SOWELL "TF" 1 | Cottle County, TX | Gas Property | May 2026 |
| 36427 | SOWELL, J.L | Upshur County, TX | Oil & Gas Property | Apr 2026 |
| 36428 | SOWELL, NORTH "A" | Tarrant County, TX | Gas Property | Dec 2018 |
| 36429 | SP TXL A | Howard County, TX | Oil & Gas Property | Jan 2016 |
| 36430 | SP-DUNHAM-WIENER EST. D (SA) | Panola County, TX | Oil & Gas Property | Apr 2026 |
| 36431 | SP-WIENER EST. D (SA)1H 1H | Panola County, TX | Oil & Gas Property | Apr 2026 |
| 36432 | SPAATZ | Martin County, TX | Oil & Gas Property | Apr 2026 |
| 36433 | SPACE COWBOY UNIT 3 4 | Reeves County, TX | Oil & Gas Property | Apr 2026 |
| 36434 | SPACE COWBOYS | Burleson County, TX | Oil & Gas Property | Apr 2026 |
| 36435 | SPACE COWBOYS UNIT | Jasper County, TX | Oil & Gas Property | Apr 2026 |
| 36436 | SPACEK | Lee County, TX | Oil & Gas Property | Mar 2026 |
| 36437 | SPACEK FRANK | Jackson County, TX | Oil & Gas Property | Jun 2025 |
| 36438 | SPACEK UNIT 1 | Victoria County, TX | Oil & Gas Property | Mar 2026 |
| 36439 | SPACKLER | Martin County, TX | Oil & Gas Property | Apr 2026 |
| 36440 | SPADE | Hockley County, TX | Oil & Gas Property | Apr 2026 |
| 36441 | SPADE | Sterling County, TX | Oil & Gas Property | Apr 2026 |
| 36442 | SPAHN FARMS UNIT | Gonzales County, TX | Oil & Gas Property | Apr 2026 |
| 36443 | SPAHN-MIKKELSON UNIT | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 36444 | SPAIN | Throckmorton County, TX | Oil & Gas Property | Apr 2026 |
| 36445 | SPAIN -D- T.J | Wheeler County, TX | Oil & Gas Property | Apr 2026 |
| 36446 | SPAIN B - CARPENTER (SA) | Wise County, TX | Gas Property | Apr 2026 |
| 36447 | SPAIN MAGGIE | Wise County, TX | Oil & Gas Property | Apr 2026 |
| 36448 | SPALDING OAKLEY C | Jefferson County, TX | Oil & Gas Property | Apr 2024 |
| 36449 | SPANISH MAIN | Winkler County, TX | Oil & Gas Property | Apr 2026 |
| 36450 | SPANISH TRAIL | Midland County, TX | Oil & Gas Property | May 2015 |
| 36451 | SPARHAM | Wood County, TX | Oil & Gas Property | Jan 2015 |
| 36452 | SPARKMAN | Jack County, TX | Oil & Gas Property | Apr 2026 |
| 36453 | SPARKMAN | Rusk County, TX | Oil & Gas Property | Apr 2026 |
| 36454 | SPARKS | Gaines County, TX | Oil & Gas Property | Apr 2026 |
| 36455 | SPARKS | Eastland County, TX | Oil & Gas Property | Apr 2026 |
| 36456 | SPARKS | Hemphill County, TX | Oil & Gas Property | Apr 2026 |
| 36457 | SPARKS | Panola County, TX | Oil & Gas Property | Apr 2026 |
| 36458 | SPARKS | Gaines County, TX | Oil & Gas Property | Feb 2011 |
| 36459 | SPARKS BROTHERS 20 | Ochiltree County, TX | Oil & Gas Property | Apr 2026 |
| 36460 | SPARKS CECIL GU 1 | Nacogdoches County, TX | Oil & Gas Property | Apr 2026 |
| 36461 | SPARKS GAS UNIT NO. 1 | Panola County, TX | Oil & Gas Property | Apr 2026 |
| 36462 | SPARKS HV UNIT | Panola County, TX | Gas Property | Apr 2026 |
| 36463 | SPARKS-MAYFIELD | Wichita County, TX | Oil & Gas Property | Apr 2026 |
| 36464 | SPARKS-MCJIMSEY | Panola County, TX | Oil & Gas Property | Apr 2026 |
| 36465 | SPARKY | Fayette County, TX | Oil & Gas Property | Apr 2026 |
| 36466 | SPARMAN | Lipscomb County, TX | Oil & Gas Property | Apr 2026 |
| 36467 | SPARROW ALLOCATION | Burleson County, TX | Oil & Gas Property | Mar 2026 |
| 36468 | SPARTAN | Montague County, TX | Oil & Gas Property | Apr 2026 |
| 36469 | SPARTAN 58-2-23 1H | Reeves County, TX | Oil & Gas Property | Apr 2026 |
| 36470 | SPARTO | Tarrant County, TX | Gas Property | Jul 2019 |
| 36471 | SPAULDING | Martin County, TX | Oil & Gas Property | Apr 2026 |
| 36472 | SPAVIN | Archer County, TX | Oil & Gas Property | Apr 2026 |
| 36473 | SPEAR | Gregg County, TX | Oil & Gas Property | Apr 2026 |
| 36474 | SPEAR | Gregg County, TX | Oil & Gas Property | Apr 2026 |
| 36475 | SPEAR | Stephens County, TX | Oil & Gas Property | Dec 2024 |
| 36476 | SPEAR 1 | Moore County, TX | Gas Property | Apr 2026 |
| 36477 | SPEAR IRENE L | Zapata County, TX | Oil & Gas Property | Apr 2026 |
| 36478 | SPEAR POINT | Frio County, TX | Oil & Gas Property | Mar 2026 |
| 36479 | SPEAR REYNOLDS | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 36480 | SPEARFISH-NEAL 27 | Glasscock County, TX | Oil & Gas Property | Apr 2026 |
| 36481 | SPEARMAN | Gray County, TX | Oil & Gas Property | Apr 2026 |
| 36482 | SPEARMAN | Jack County, TX | Oil & Gas Property | Mar 2026 |
| 36483 | SPEARMAN ROB | Burleson County, TX | Oil & Gas Property | Mar 2026 |
| 36484 | SPEARS | Palo Pinto County, TX | Oil & Gas Property | Apr 2026 |
| 36485 | SPEARS | Young County, TX | Oil & Gas Property | Apr 2026 |
| 36486 | SPEARS | Howard County, TX | Oil & Gas Property | Apr 2026 |
| 36487 | SPEARS | Harrison County, TX | Oil & Gas Property | Apr 2025 |
| 36488 | SPEARS | Bexar County, TX | Oil & Gas Property | Apr 2026 |
| 36489 | SPEARS MARY J | Throckmorton County, TX | Oil & Gas Property | Mar 2026 |
| 36490 | SPEARY A - A VAUGHN USW | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 36491 | SPEARY FAMILY TRUST UNIT A | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 36492 | SPECK | Ector County, TX | Oil & Gas Property | Feb 2026 |
| 36493 | SPECK | McCulloch County, TX | Oil & Gas Property | Apr 2026 |
| 36494 | SPECKELS | Fayette County, TX | Oil & Gas Property | Apr 2026 |
| 36495 | SPECKMAN ELSIE | Burleson County, TX | Oil & Gas Property | Apr 2026 |
| 36496 | SPECTACULAR BID | Culberson County, TX | Oil & Gas Property | Apr 2026 |
| 36497 | SPEED | Stephens County, TX | Oil & Gas Property | Apr 2026 |
| 36498 | SPEED RACER | Johnson County, TX | Oil & Gas Property | Apr 2026 |
| 36499 | SPEEDWAY 1-2 | Reeves County, TX | Oil & Gas Property | Apr 2026 |
| 36500 | SPEEDY 57-3-37 1H | Reeves County, TX | Oil & Gas Property | Apr 2026 |