| 501 | FIREBRAND BUI | Hutchinson County, TX | Oil & Gas Property | Feb 2026 |
| 502 | FIRECREEK 54-1-12 | Howard County, TX | Oil & Gas Property | Feb 2026 |
| 503 | FIREFLY | Upton County, TX | Oil & Gas Property | Feb 2026 |
| 504 | FIRESTONE | Clay County, TX | Oil & Gas Property | Feb 2026 |
| 505 | FIRESTORM 54-1-12-13-24 AL | Howard County, TX | Oil & Gas Property | Feb 2026 |
| 506 | FIREWATER | Palo Pinto County, TX | Oil & Gas Property | Jan 2023 |
| 507 | FIRST | Scurry County, TX | Oil & Gas Property | Feb 2026 |
| 508 | FIRST AND FIRST 397 | Yoakum County, TX | Oil & Gas Property | Feb 2026 |
| 509 | FIRST BYWATERS | Wichita County, TX | Oil & Gas Property | Feb 2026 |
| 510 | FIRST GOLD 29-0-39-34 | Loving County, TX | Oil & Gas Property | Feb 2026 |
| 511 | FIRST NATIONAL | Wichita County, TX | Oil & Gas Property | Feb 2026 |
| 512 | FIRST NATIONAL | Montague County, TX | Oil & Gas Property | Feb 2026 |
| 513 | FIRST NATIONAL BA | Panola County, TX | Oil & Gas Property | Feb 2026 |
| 514 | FIRST NATIONAL BANK | Scurry County, TX | Oil & Gas Property | Feb 2026 |
| 515 | FIRST NATIONAL TRUST | Ochiltree County, TX | Oil & Gas Property | Feb 2026 |
| 516 | FIRST NATIONAL WATERFLOOD UNIT | Wichita County, TX | Oil & Gas Property | Feb 2026 |
| 517 | FIRST PRESBYTERIAN CHURCH | Palo Pinto County, TX | Oil & Gas Property | Feb 2026 |
| 518 | FIRST ST BANK OF STRATFORD | Sherman County, TX | Gas Property | Feb 2026 |
| 519 | FIRST ST BANK OF STRATFORD -C | Sherman County, TX | Gas Property | Feb 2026 |
| 520 | FIRST STATE BANK OF WHITE DEER | Carson County, TX | Oil & Gas Property | Feb 2026 |
| 521 | FIRST UNITED METHODIST CHURCH | Midland County, TX | Oil & Gas Property | Jun 2019 |
| 522 | FISBECK UNIT | Gonzales County, TX | Oil & Gas Property | Feb 2026 |
| 523 | FISCHER | San Patricio County, TX | Oil & Gas Property | Dec 2025 |
| 524 | FISCHER | Midland County, TX | Oil & Gas Property | Feb 2026 |
| 525 | FISCHER | Caldwell County, TX | Oil & Gas Property | Dec 2025 |
| 526 | FISCHER | Lee County, TX | Oil & Gas Property | Feb 2026 |
| 527 | FISCHER | Lubbock County, TX | Oil & Gas Property | Feb 2026 |
| 528 | FISCHER | Rusk County, TX | Oil & Gas Property | Feb 2026 |
| 529 | FISCHER GERTRUDE | Lee County, TX | Oil & Gas Property | Dec 2025 |
| 530 | FISCHER UNIT | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 531 | FISCHER, CHARLES | Harris County, TX | Oil & Gas Property | Oct 2001 |
| 532 | FISCHER-COULSON | Midland County, TX | Oil & Gas Property | Feb 2026 |
| 533 | FISCHER-MATHIS GAS UNIT | Rusk County, TX | Oil & Gas Property | Feb 2026 |
| 534 | FISCHER-PLACKE UNIT | Lee County, TX | Oil & Gas Property | Feb 2026 |
| 535 | FISCHER-REDWINE | Rusk County, TX | Oil & Gas Property | Feb 2026 |
| 536 | FISH CAMP | Tyler County, TX | Oil & Gas Property | Feb 2026 |
| 537 | FISH CREEK UNIT | Young County, TX | Oil Property | Feb 2026 |
| 538 | FISH D. W | Archer County, TX | Oil & Gas Property | Feb 2026 |
| 539 | FISHBURN | Gregg County, TX | Oil & Gas Property | Feb 2026 |
| 540 | FISHER | Brazos County, TX | Oil & Gas Property | Jan 2026 |
| 541 | FISHER | Andrews County, TX | Oil & Gas Property | Feb 2026 |
| 542 | FISHER | Gregg County, TX | Oil & Gas Property | Feb 2026 |
| 543 | FISHER | Sherman County, TX | Oil & Gas Property | Feb 2026 |
| 544 | FISHER | Chambers County, TX | Oil & Gas Property | May 2008 |
| 545 | FISHER | Cooke County, TX | Oil & Gas Property | Dec 2025 |
| 546 | FISHER | Dewitt County, TX | Oil & Gas Property | Feb 2026 |
| 547 | FISHER B-FISHER C SA | Dewitt County, TX | Oil & Gas Property | Feb 2026 |
| 548 | FISHER B-GAIDA A SA 2 2H | Dewitt County, TX | Oil & Gas Property | Feb 2026 |
| 549 | FISHER CADDIE | Gregg County, TX | Oil & Gas Property | Feb 2026 |
| 550 | FISHER ESTATE | Hemphill County, TX | Oil & Gas Property | Feb 2026 |
| 551 | FISHER FLORENCE | Liberty County, TX | Oil & Gas Property | Feb 2026 |
| 552 | FISHER HORSE PASTURE | Andrews County, TX | Oil Property | Feb 2026 |
| 553 | FISHER J. E | Milam County, TX | Oil & Gas Property | Mar 2018 |
| 554 | FISHER NOLA UNIT | Andrews County, TX | Oil & Gas Property | Feb 2026 |
| 555 | FISHER ROY | Robertson County, TX | Oil & Gas Property | Feb 2026 |
| 556 | FISHER, CHA | Liberty County, TX | Oil & Gas Property | Feb 2026 |
| 557 | FISHER, WILLIE | Midland County, TX | Oil & Gas Property | Sep 2025 |
| 558 | FISHER-BONSACK | Pecos County, TX | Oil & Gas Property | Feb 2026 |
| 559 | FISHER-DUNCAN | Gregg County, TX | Oil & Gas Property | Dec 2025 |
| 560 | FISHERMAN | Martin County, TX | Oil & Gas Property | Feb 2026 |
| 561 | FISHERS REEF | Chambers County, TX | Oil & Gas Property | Jun 2021 |
| 562 | FISTFUL OF BLACKSTONE 1H | Jasper County, TX | Oil & Gas Property | Feb 2026 |
| 563 | FISTFUL OF DOLLARS | Jasper County, TX | Oil & Gas Property | Feb 2026 |
| 564 | FITCH CHAS. ETAL MINERAL DEED | Hardin County, TX | Oil & Gas Property | Feb 2026 |
| 565 | FITCH GEORGI | Wise County, TX | Oil & Gas Property | Feb 2026 |
| 566 | FITCH JAMES P | Wise County, TX | Oil & Gas Property | Feb 2026 |
| 567 | FITCH UNIT | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 568 | FITE | Panola County, TX | Oil & Gas Property | Feb 2026 |
| 569 | FITE J.B. GAS UNIT | Panola County, TX | Oil & Gas Property | Feb 2026 |
| 570 | FITE UNIT | Panola County, TX | Oil & Gas Property | Feb 2026 |
| 571 | FITE W. P | Rusk County, TX | Oil & Gas Property | Jan 2026 |
| 572 | FITZGERALD | Chambers County, TX | Oil & Gas Property | Feb 2026 |
| 573 | FITZGERALD | Cooke County, TX | Oil & Gas Property | Feb 2026 |
| 574 | FITZGERALD | Wise County, TX | Oil & Gas Property | Feb 2026 |
| 575 | FITZGERALD | Jack County, TX | Oil & Gas Property | Feb 2026 |
| 576 | FITZGERALD | Nolan County, TX | Oil & Gas Property | Feb 2026 |
| 577 | FITZGERALD | Anderson County, TX | Oil Property | Feb 2026 |
| 578 | FITZGERALD M.T | Yoakum County, TX | Oil & Gas Property | Feb 2026 |
| 579 | FITZGERALD STATE | Pecos County, TX | Oil & Gas Property | Feb 2026 |
| 580 | FITZHUGH | Jefferson County, TX | Oil & Gas Property | Mar 2018 |
| 581 | FITZHUGH | Jefferson County, TX | Oil & Gas Property | Jan 2026 |
| 582 | FITZWILLIAM | Parker County, TX | Oil & Gas Property | Feb 2026 |
| 583 | FIVE F | La Salle County, TX | Oil & Gas Property | Feb 2026 |
| 584 | FIVE MILE CREEK | Fayette County, TX | Oil & Gas Property | Feb 2026 |
| 585 | FIVE N | Montague County, TX | Oil & Gas Property | Jul 2025 |
| 586 | FIVE RESOURCES | Garza County, TX | Oil Property | Feb 2026 |
| 587 | FIVE WAY 15 | Martin County, TX | Oil & Gas Property | Feb 2026 |
| 588 | FIVER STATE 18 | Reeves County, TX | Oil & Gas Property | Feb 2026 |
| 589 | FLACHE | Jones County, TX | Oil & Gas Property | Jan 2026 |
| 590 | FLACHE 34-39 A UNIT | Howard County, TX | Oil & Gas Property | Feb 2026 |
| 591 | FLACHE MITCHELL | Terry County, TX | Oil & Gas Property | Jan 2026 |
| 592 | FLAG RANCH | Ector County, TX | Oil & Gas Property | Feb 2026 |
| 593 | FLAME | Nueces County, TX | Oil & Gas Property | Dec 2025 |
| 594 | FLAMING STAR 02-11 | Howard County, TX | Oil & Gas Property | Jan 2026 |
| 595 | FLAMMENWERFER UNIT | McMullen County, TX | Oil & Gas Property | Jan 2026 |
| 596 | FLAMSON | Andrews County, TX | Oil & Gas Property | Feb 2026 |
| 597 | FLANAGAN | Panola County, TX | Oil & Gas Property | Feb 2026 |
| 598 | FLANAGAN | Andrews County, TX | Oil & Gas Property | Feb 2026 |
| 599 | FLANAGAN | Gregg County, TX | Oil & Gas Property | Feb 2026 |
| 600 | FLANAGAN | Rusk County, TX | Oil & Gas Property | Jan 2026 |