| 501 | KEY WEST WATERFLOOD UNIT | Dawson County, TX | Oil & Gas Property | Aug 2025 |
| 502 | KEY, G.A | Archer County, TX | Oil & Gas Property | Jan 2025 |
| 503 | KEY, WILMA | Upton County, TX | Oil & Gas Property | Sep 2025 |
| 504 | KEYDETS-A 47 4H | San Augustine County, TX | Gas Property | Sep 2025 |
| 505 | KEYHOLE 43 | Reeves County, TX | Oil & Gas Property | Sep 2025 |
| 506 | KEYS PATSY | Harrison County, TX | Oil & Gas Property | Sep 2025 |
| 507 | KEYS UNIT | Karnes County, TX | Oil & Gas Property | Sep 2025 |
| 508 | KEYSER | Jack County, TX | Oil & Gas Property | Sep 2025 |
| 509 | KEYSER | Young County, TX | Oil & Gas Property | Mar 2019 |
| 510 | KEYSTONE | Midland County, TX | Oil & Gas Property | Sep 2025 |
| 511 | KEYSTONE | La Salle County, TX | Oil & Gas Property | Sep 2025 |
| 512 | KEYSTONE | Burleson County, TX | Oil & Gas Property | Aug 2025 |
| 513 | KEYSTONE | Winkler County, TX | Oil & Gas Property | Sep 2025 |
| 514 | KEYSTONE | Montgomery County, TX | Oil & Gas Property | Sep 2025 |
| 515 | KEYSTONE | Winkler County, TX | Oil & Gas Property | Sep 2025 |
| 516 | KEYSTONE 12-15 UNIT | Reeves County, TX | Oil & Gas Property | Sep 2025 |
| 517 | KEYSTONE CATTLE CO | Winkler County, TX | Oil & Gas Property | Sep 2025 |
| 518 | KEYSTONE CATTLE CO | Winkler County, TX | Oil & Gas Property | Jan 2024 |
| 519 | KEYSTONE FERNANDES | Winkler County, TX | Oil & Gas Property | Sep 2025 |
| 520 | KEYSTONE HOLT UNIT | Winkler County, TX | Oil & Gas Property | Oct 2022 |
| 521 | KEYSTONE SILURIAN UNIT | Winkler County, TX | Oil & Gas Property | Sep 2025 |
| 522 | KGFCU | Waller County, TX | Oil & Gas Property | Sep 2025 |
| 523 | KGFU | Fort Bend County, TX | Oil & Gas Property | Sep 2025 |
| 524 | KGFU 2 W7 | Waller County, TX | Oil & Gas Property | Sep 2025 |
| 525 | KH SASSER | Atascosa County, TX | Oil & Gas Property | Aug 2025 |
| 526 | KHA J | Webb County, TX | Oil & Gas Property | Jun 2025 |
| 527 | KHA N | Webb County, TX | Oil & Gas Property | Sep 2025 |
| 528 | KHA S | Webb County, TX | Oil & Gas Property | Sep 2025 |
| 529 | KHC 33-2 | Ward County, TX | Oil & Gas Property | Sep 2025 |
| 530 | KHE FEE | Webb County, TX | Oil & Gas Property | Sep 2025 |
| 531 | KHRAISH | Denton County, TX | Oil & Gas Property | Sep 2025 |
| 532 | KIAWAH K | San Augustine County, TX | Gas Property | Aug 2025 |
| 533 | KIBBE | Harrison County, TX | Oil & Gas Property | Sep 2025 |
| 534 | KIBBE-MOOS | Duval County, TX | Oil & Gas Property | Sep 2025 |
| 535 | KIBLER | Jack County, TX | Oil & Gas Property | Aug 2025 |
| 536 | KIBLINGER | Hill County, TX | Gas Property | Aug 2025 |
| 537 | KICKAPOO | Reeves County, TX | Oil & Gas Property | Sep 2025 |
| 538 | KICKAPOO CREEK | Smith County, TX | Oil & Gas Property | Sep 2025 |
| 539 | KICKAPOO TP | Smith County, TX | Oil & Gas Property | Sep 2025 |
| 540 | KICKENDAHL UNIT 1 | Dewitt County, TX | Oil & Gas Property | Sep 2025 |
| 541 | KIDD | Hood County, TX | Oil & Gas Property | Sep 2025 |
| 542 | KIDD | Dawson County, TX | Oil & Gas Property | Sep 2025 |
| 543 | KIDD C UNIT 5H | Hood County, TX | Oil & Gas Property | Sep 2025 |
| 544 | KIDD MARGARET | Brazoria County, TX | Oil & Gas Property | Sep 2025 |
| 545 | KIDD UNIT | Gonzales County, TX | Oil & Gas Property | Sep 2025 |
| 546 | KIEFER | Dawson County, TX | Oil & Gas Property | Sep 2025 |
| 547 | KIEFER C | Zavala County, TX | Oil & Gas Property | Jul 2025 |
| 548 | KIEKE | Haskell County, TX | Oil & Gas Property | Jul 2025 |
| 549 | KIERSEY | Haskell County, TX | Oil & Gas Property | Sep 2025 |
| 550 | KIESCHNICK | San Patricio County, TX | Oil & Gas Property | Aug 2024 |
| 551 | KIESCHNICK UNIT | Montague County, TX | Oil & Gas Property | Sep 2025 |
| 552 | KIESLING,A.E. & DIXON,T.K | Harris County, TX | Oil & Gas Property | Mar 2003 |
| 553 | KIFER ROZELLA | Gonzales County, TX | Oil & Gas Property | Aug 2025 |
| 554 | KIFF WHITE | Hansford County, TX | Oil & Gas Property | Aug 2025 |
| 555 | KIGHT JUDITH WI | Stephens County, TX | Oil & Gas Property | Sep 2025 |
| 556 | KIKER | Wheeler County, TX | Oil & Gas Property | Jun 2024 |
| 557 | KIKER | Hemphill County, TX | Oil & Gas Property | Sep 2025 |
| 558 | KIKER AMOCO | Hemphill County, TX | Oil & Gas Property | Sep 2025 |
| 559 | KIKER SAM | Wise County, TX | Oil & Gas Property | Sep 2025 |
| 560 | KIKER-BENTLEY-PERKINS (SA) 1 | Wise County, TX | Oil & Gas Property | Sep 2025 |
| 561 | KIKER-PERKINS ET AL (SA) | Wise County, TX | Oil & Gas Property | Sep 2025 |
| 562 | KIKER-WOMACK ET AL (SA) 1H | Wise County, TX | Oil & Gas Property | Sep 2025 |
| 563 | KILCREASE | Young County, TX | Oil & Gas Property | Sep 2025 |
| 564 | KILCREASE BESSIE | Montague County, TX | Oil & Gas Property | Sep 2025 |
| 565 | KILCREASE-BOWLES | Navarro County, TX | Oil & Gas Property | Aug 2025 |
| 566 | KILDARE EAST GLOYD UNIT | Marion County, TX | Oil & Gas Property | Jan 2019 |
| 567 | KILDARE WEST GLOYD UNIT | Marion County, TX | Oil & Gas Property | Feb 2000 |
| 568 | KILE | Ochiltree County, TX | Oil & Gas Property | Sep 2025 |
| 569 | KILE | Reagan County, TX | Oil & Gas Property | Sep 2025 |
| 570 | KILE M.G | Reagan County, TX | Oil & Gas Property | Sep 2025 |
| 571 | KILEY | Zavala County, TX | Oil & Gas Property | Sep 2025 |
| 572 | KILGORE | Moore County, TX | Gas Property | Sep 2025 |
| 573 | KILGORE | Dawson County, TX | Oil & Gas Property | May 2025 |
| 574 | KILGORE | Brown County, TX | Oil & Gas Property | Sep 2025 |
| 575 | KILGORE | Moore County, TX | Gas Property | Sep 2025 |
| 576 | KILGORE | Victoria County, TX | Oil & Gas Property | Jul 2025 |
| 577 | KILGORE BAPTIST CHURCH | Gregg County, TX | Oil & Gas Property | Sep 2025 |
| 578 | KILGORE-WERNECKE GAS UNIT | Duval County, TX | Oil & Gas Property | Sep 2025 |
| 579 | KILGUST | Palo Pinto County, TX | Oil & Gas Property | Mar 2024 |
| 580 | KILIMANJARO UNIT | Karnes County, TX | Oil & Gas Property | Sep 2025 |
| 581 | KILL | Sherman County, TX | Gas Property | Sep 2025 |
| 582 | KILLAM | Webb County, TX | Oil & Gas Property | Sep 2025 |
| 583 | KILLAM | Duval County, TX | Oil & Gas Property | Sep 2025 |
| 584 | KILLAM | La Salle County, TX | Oil & Gas Property | Sep 2025 |
| 585 | KILLAM | Duval County, TX | Oil & Gas Property | Sep 2025 |
| 586 | KILLAM | Duval County, TX | Oil & Gas Property | Aug 2025 |
| 587 | KILLAM & HURD | Webb County, TX | Oil & Gas Property | Sep 2025 |
| 588 | KILLAM AND HURD FEE | Webb County, TX | Oil & Gas Property | Sep 2025 |
| 589 | KILLAM FREER R | Duval County, TX | Oil & Gas Property | Sep 2025 |
| 590 | KILLAM MINERAL FEE | Duval County, TX | Oil Property | Sep 2025 |
| 591 | KILLAM MINERAL FEE 601 | Webb County, TX | Oil & Gas Property | Sep 2025 |
| 592 | KILLAM O. W | Webb County, TX | Oil & Gas Property | Sep 2025 |
| 593 | KILLAM-GONZALEZ | La Salle County, TX | Oil & Gas Property | Sep 2025 |
| 594 | KILLAM-HURD | Webb County, TX | Oil & Gas Property | Sep 2025 |
| 595 | KILLAM-HURD | Webb County, TX | Oil & Gas Property | Sep 2025 |
| 596 | KILLAM-HURD | Webb County, TX | Oil & Gas Property | Sep 2025 |
| 597 | KILLAM-HURD-MCLEAN | Webb County, TX | Oil & Gas Property | Sep 2025 |
| 598 | KILLEBREW | Roberts County, TX | Oil & Gas Property | Sep 2025 |
| 599 | KILLEBREW | Roberts County, TX | Oil & Gas Property | Sep 2025 |
| 600 | KILLEBREW 119 | Hemphill County, TX | Oil & Gas Property | Sep 2025 |