| 501 | KEYS PATSY | Harrison County, TX | Oil & Gas Property | Jan 2025 |
| 502 | KEYS UNIT | Karnes County, TX | Oil & Gas Property | Jan 2025 |
| 503 | KEYSER | Jack County, TX | Oil & Gas Property | Jan 2025 |
| 504 | KEYSER | Young County, TX | Oil & Gas Property | Mar 2019 |
| 505 | KEYSTONE | Midland County, TX | Oil & Gas Property | Jan 2025 |
| 506 | KEYSTONE | La Salle County, TX | Oil & Gas Property | Jan 2025 |
| 507 | KEYSTONE | Burleson County, TX | Oil & Gas Property | Dec 2024 |
| 508 | KEYSTONE | Winkler County, TX | Oil & Gas Property | Jan 2025 |
| 509 | KEYSTONE | Montgomery County, TX | Oil & Gas Property | Dec 2024 |
| 510 | KEYSTONE | Winkler County, TX | Oil & Gas Property | Jan 2025 |
| 511 | KEYSTONE 12-15 UNIT | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 512 | KEYSTONE CATTLE CO | Winkler County, TX | Oil & Gas Property | Jan 2025 |
| 513 | KEYSTONE CATTLE CO | Winkler County, TX | Oil & Gas Property | Jan 2024 |
| 514 | KEYSTONE HOLT UNIT | Winkler County, TX | Oil & Gas Property | Oct 2022 |
| 515 | KEYSTONE SILURIAN UNIT | Winkler County, TX | Oil & Gas Property | Jan 2025 |
| 516 | KEYSTONE-FERNANDES | Winkler County, TX | Oil & Gas Property | Jan 2025 |
| 517 | KGFCU | Waller County, TX | Oil & Gas Property | Jan 2025 |
| 518 | KGFU | Fort Bend County, TX | Oil & Gas Property | Jan 2025 |
| 519 | KGFU 2 W7 | Waller County, TX | Oil & Gas Property | Jan 2025 |
| 520 | KH SASSER | Atascosa County, TX | Oil & Gas Property | Jan 2025 |
| 521 | KHA J | Webb County, TX | Oil & Gas Property | Jan 2025 |
| 522 | KHA N | Webb County, TX | Oil & Gas Property | Jan 2025 |
| 523 | KHA S | Webb County, TX | Oil & Gas Property | Jan 2025 |
| 524 | KHC 33-2 | Ward County, TX | Oil & Gas Property | Jan 2025 |
| 525 | KHE FEE | Webb County, TX | Oil & Gas Property | Jan 2025 |
| 526 | KHRAISH | Denton County, TX | Oil & Gas Property | Jan 2025 |
| 527 | KIAWAH K | San Augustine County, TX | Gas Property | Jan 2025 |
| 528 | KIBBE | Harrison County, TX | Oil & Gas Property | Jan 2025 |
| 529 | KIBBE-MOOS | Duval County, TX | Oil & Gas Property | Jan 2025 |
| 530 | KIBLER | Jack County, TX | Oil & Gas Property | Jan 2025 |
| 531 | KIBLINGER | Hill County, TX | Gas Property | Jan 2025 |
| 532 | KICKAPOO | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 533 | KICKAPOO CREEK GAS UNIT | Smith County, TX | Oil & Gas Property | Jan 2025 |
| 534 | KICKENDAHL UNIT 1 | Dewitt County, TX | Oil & Gas Property | Jan 2025 |
| 535 | KIDD | Hood County, TX | Oil & Gas Property | Jan 2025 |
| 536 | KIDD | Dawson County, TX | Oil & Gas Property | Jan 2025 |
| 537 | KIDD MARGARET | Brazoria County, TX | Oil & Gas Property | Jan 2025 |
| 538 | KIDD UNIT | Gonzales County, TX | Oil & Gas Property | Jan 2025 |
| 539 | KIEFER | Dawson County, TX | Oil & Gas Property | Jan 2025 |
| 540 | KIEFER C | Zavala County, TX | Oil & Gas Property | Dec 2024 |
| 541 | KIEKE | Haskell County, TX | Oil & Gas Property | Dec 2024 |
| 542 | KIERSEY | Haskell County, TX | Oil & Gas Property | Jan 2025 |
| 543 | KIESCHNICK | San Patricio County, TX | Oil & Gas Property | Aug 2024 |
| 544 | KIESCHNICK UNIT | Montague County, TX | Oil & Gas Property | Jan 2025 |
| 545 | KIESLING,A.E. & DIXON,T.K | Harris County, TX | Oil & Gas Property | Mar 2003 |
| 546 | KIFER ROZELLA | Gonzales County, TX | Oil & Gas Property | Jan 2025 |
| 547 | KIFF WHITE | Hansford County, TX | Oil & Gas Property | Jan 2025 |
| 548 | KIGHT JUDITH WI | Stephens County, TX | Oil & Gas Property | Jan 2025 |
| 549 | KIKER | Wheeler County, TX | Oil & Gas Property | Jun 2024 |
| 550 | KIKER | Hemphill County, TX | Oil & Gas Property | Jan 2025 |
| 551 | KIKER AMOCO | Hemphill County, TX | Oil & Gas Property | Jan 2025 |
| 552 | KIKER SAM | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 553 | KIKER-BENTLEY-PERKINS (SA) 1 | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 554 | KIKER-PERKINS ET AL (SA) | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 555 | KIKER-WOMACK ET AL (SA) 1H | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 556 | KILCREASE | Young County, TX | Oil & Gas Property | Jan 2025 |
| 557 | KILCREASE BESSIE | Montague County, TX | Oil & Gas Property | Nov 2024 |
| 558 | KILCREASE-BOWLES | Navarro County, TX | Oil & Gas Property | Dec 2024 |
| 559 | KILDARE EAST GLOYD UNIT | Marion County, TX | Oil & Gas Property | Jan 2019 |
| 560 | KILDARE WEST GLOYD UNIT | Marion County, TX | Oil & Gas Property | Feb 2000 |
| 561 | KILE | Ochiltree County, TX | Oil & Gas Property | Jan 2025 |
| 562 | KILE | Reagan County, TX | Oil & Gas Property | Jan 2025 |
| 563 | KILE M.G | Reagan County, TX | Oil & Gas Property | Jan 2025 |
| 564 | KILEY | Zavala County, TX | Oil & Gas Property | Jan 2025 |
| 565 | KILGORE | Moore County, TX | Gas Property | Jan 2025 |
| 566 | KILGORE | Dawson County, TX | Oil & Gas Property | Jan 2025 |
| 567 | KILGORE | Brown County, TX | Oil & Gas Property | Jan 2025 |
| 568 | KILGORE | Moore County, TX | Gas Property | Jan 2025 |
| 569 | KILGORE | Victoria County, TX | Oil & Gas Property | Dec 2024 |
| 570 | KILGORE BAPTIST CHURCH | Gregg County, TX | Oil & Gas Property | Jan 2025 |
| 571 | KILGORE-WERNECKE GAS UNIT | Duval County, TX | Oil & Gas Property | Jan 2025 |
| 572 | KILGUST | Palo Pinto County, TX | Oil & Gas Property | Mar 2024 |
| 573 | KILIMANJARO UNIT | Karnes County, TX | Oil & Gas Property | Jan 2025 |
| 574 | KILL | Sherman County, TX | Gas Property | Jan 2025 |
| 575 | KILLAM | Webb County, TX | Oil & Gas Property | Jan 2025 |
| 576 | KILLAM | Duval County, TX | Oil & Gas Property | Jan 2025 |
| 577 | KILLAM | La Salle County, TX | Oil & Gas Property | Jan 2025 |
| 578 | KILLAM | Duval County, TX | Oil & Gas Property | Jan 2025 |
| 579 | KILLAM | Duval County, TX | Oil & Gas Property | Jan 2025 |
| 580 | KILLAM & HURD | Webb County, TX | Oil & Gas Property | Jan 2025 |
| 581 | KILLAM AND HURD FEE | Webb County, TX | Oil & Gas Property | Jan 2025 |
| 582 | KILLAM FREER R | Duval County, TX | Oil & Gas Property | Jan 2025 |
| 583 | KILLAM MINERAL FEE | Duval County, TX | Oil Property | Jan 2025 |
| 584 | KILLAM MINERAL FEE 601 | Webb County, TX | Oil & Gas Property | Jan 2025 |
| 585 | KILLAM O. W | Webb County, TX | Oil & Gas Property | Jan 2025 |
| 586 | KILLAM-GONZALEZ | La Salle County, TX | Oil & Gas Property | Jan 2025 |
| 587 | KILLAM-HURD | Webb County, TX | Oil & Gas Property | Jan 2025 |
| 588 | KILLAM-HURD | Webb County, TX | Oil & Gas Property | Jan 2025 |
| 589 | KILLAM-HURD | Webb County, TX | Oil & Gas Property | Jan 2025 |
| 590 | KILLAM-HURD-MCLEAN | Webb County, TX | Oil & Gas Property | Jan 2025 |
| 591 | KILLEBREW | Roberts County, TX | Oil & Gas Property | Jan 2025 |
| 592 | KILLEBREW | Roberts County, TX | Oil & Gas Property | Jan 2025 |
| 593 | KILLEBREW 119 | Hemphill County, TX | Oil & Gas Property | Dec 2024 |
| 594 | KILLEBREW WALTER S | Hemphill County, TX | Oil & Gas Property | Jan 2025 |
| 595 | KILLEN | Jack County, TX | Oil & Gas Property | Aug 2021 |
| 596 | KILLER BEE | Reagan County, TX | Oil & Gas Property | Jan 2025 |
| 597 | KILLGORE | Moore County, TX | Gas Property | Jan 2025 |
| 598 | KILLGORE | Nolan County, TX | Oil & Gas Property | Oct 2023 |
| 599 | KILLGORE | Moore County, TX | Gas Property | Jan 2025 |
| 600 | KILLIAN | Harris County, TX | Oil & Gas Property | Jan 2025 |