| 501 | CAROLYN UNIT | Cooke County, TX | Oil & Gas Property | Jun 2026 |
| 502 | CAROLYN UNIT | Madison County, TX | Oil & Gas Property | Apr 2020 |
| 503 | CARON UNIT | McMullen County, TX | Oil & Gas Property | Jun 2026 |
| 504 | CAROTHERS 1 | Victoria County, TX | Gas Property | Jan 2026 |
| 505 | CARPEDIEM | Archer County, TX | Oil Property | Jun 2026 |
| 506 | CARPENTER | Throckmorton County, TX | Oil & Gas Property | Aug 2025 |
| 507 | CARPENTER | Freestone County, TX | Oil & Gas Property | Jun 2026 |
| 508 | CARPENTER | Crockett County, TX | Oil & Gas Property | Jun 2026 |
| 509 | CARPENTER | Throckmorton County, TX | Oil & Gas Property | Jun 2026 |
| 510 | CARPENTER | Jefferson County, TX | Oil & Gas Property | Jun 2026 |
| 511 | CARPENTER | Freestone County, TX | Oil & Gas Property | Jun 2026 |
| 512 | CARPENTER | Limestone County, TX | Oil & Gas Property | Jun 2026 |
| 513 | CARPENTER | Howard County, TX | Oil & Gas Property | Jun 2026 |
| 514 | CARPENTER | Culberson County, TX | Oil & Gas Property | Jun 2026 |
| 515 | CARPENTER | Young County, TX | Oil & Gas Property | Oct 2023 |
| 516 | CARPENTER | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 517 | CARPENTER | Bee County, TX | Oil & Gas Property | Aug 2025 |
| 518 | CARPENTER | Wheeler County, TX | Gas Property | Jun 2026 |
| 519 | CARPENTER | Bee County, TX | Oil & Gas Property | Jul 2021 |
| 520 | CARPENTER | Jack County, TX | Oil & Gas Property | Dec 2019 |
| 521 | CARPENTER | Edwards County, TX | Oil & Gas Property | Mar 2026 |
| 522 | CARPENTER | Gray County, TX | Oil & Gas Property | Jun 2026 |
| 523 | CARPENTER MABEL ET AL G.U | Limestone County, TX | Oil & Gas Property | Jun 2026 |
| 524 | CARPENTER PRODUCTION CO | Hardin County, TX | Oil & Gas Property | May 2026 |
| 525 | CARPENTER STATE | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 526 | CARPENTER, E. H | Nolan County, TX | Oil & Gas Property | Nov 2005 |
| 527 | CARPENTER, O.R | Young County, TX | Oil & Gas Property | Apr 2020 |
| 528 | CARPENTER-KELLNER UNIT | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 529 | CARPENTER-THOMPSON UNIT | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 530 | CARPER 12 | Sterling County, TX | Oil & Gas Property | Jun 2026 |
| 531 | CARR | Reagan County, TX | Oil & Gas Property | Jun 2026 |
| 532 | CARR | Parker County, TX | Gas Property | Jun 2026 |
| 533 | CARR | Harrison County, TX | Oil & Gas Property | Jun 2026 |
| 534 | CARR | Webb County, TX | Oil & Gas Property | Jun 2026 |
| 535 | CARR | Cooke County, TX | Oil Property | Jun 2026 |
| 536 | CARR | Hemphill County, TX | Oil & Gas Property | May 2026 |
| 537 | CARR | Gregg County, TX | Oil & Gas Property | Jun 2026 |
| 538 | CARR | Webb County, TX | Oil & Gas Property | Jun 2026 |
| 539 | CARR | Leon County, TX | Oil & Gas Property | Apr 2023 |
| 540 | CARR | Archer County, TX | Oil & Gas Property | Oct 2024 |
| 541 | CARR | Dawson County, TX | Oil Property | Jun 2026 |
| 542 | CARR 1 | Wheeler County, TX | Oil & Gas Property | Jun 2026 |
| 543 | CARR 34-125 UNIT | Ward County, TX | Oil & Gas Property | Jun 2026 |
| 544 | CARR C. M | Titus County, TX | Oil & Gas Property | Aug 2025 |
| 545 | CARR DONNIE | Gregg County, TX | Oil & Gas Property | Jun 2026 |
| 546 | CARR EDITH | Webb County, TX | Oil & Gas Property | Jun 2026 |
| 547 | CARR ESTATE | Reagan County, TX | Oil & Gas Property | Jun 2026 |
| 548 | CARR H | Parker County, TX | Oil & Gas Property | Jun 2026 |
| 549 | CARR JOHN | Reagan County, TX | Oil & Gas Property | Jun 2026 |
| 550 | CARR JOINT -A | Liberty County, TX | Oil & Gas Property | Apr 2026 |
| 551 | CARR, J. H | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 552 | CARR-CLEVELAND | Tarrant County, TX | Oil & Gas Property | Jun 2026 |
| 553 | CARR-COLEMAN | Leon County, TX | Oil & Gas Property | Apr 2025 |
| 554 | CARR-MUSE 55 | Hemphill County, TX | Oil & Gas Property | May 2026 |
| 555 | CARR-NAVASOT UNIT | Leon County, TX | Oil & Gas Property | Jun 2026 |
| 556 | CARR-WARD | Leon County, TX | Oil & Gas Property | Jun 2026 |
| 557 | CARRABBA-DOOLEY | Brazos County, TX | Oil & Gas Property | May 2026 |
| 558 | CARRABBA-PAYNE UNIT | Brazos County, TX | Oil & Gas Property | May 2026 |
| 559 | CARRASCO A204 | Dimmit County, TX | Oil & Gas Property | Jun 2026 |
| 560 | CARRELL V. L | Johnson County, TX | Oil & Gas Property | May 2026 |
| 561 | CARRIE | Ochiltree County, TX | Oil & Gas Property | Jun 2026 |
| 562 | CARRIE | Roberts County, TX | Oil & Gas Property | Jun 2026 |
| 563 | CARRIERE | Wharton County, TX | Oil & Gas Property | Jun 2026 |
| 564 | CARRIERE-HENDERSON | Wharton County, TX | Oil & Gas Property | Jun 2026 |
| 565 | CARRILLO O.P | Zapata County, TX | Oil & Gas Property | Jun 2026 |
| 566 | CARRINGTON MANN SLEDGE UNIT | Montague County, TX | Oil & Gas Property | Jun 2026 |
| 567 | CARRIZO SAND UNIT | Anderson County, TX | Oil & Gas Property | Oct 2025 |
| 568 | CARRL | Duval County, TX | Oil & Gas Property | Jun 2026 |
| 569 | CARROLL | Cottle County, TX | Oil & Gas Property | May 2023 |
| 570 | CARROLL | Gray County, TX | Oil & Gas Property | Jun 2026 |
| 571 | CARROLL | Anderson County, TX | Oil & Gas Property | Jun 2026 |
| 572 | CARROLL | Brazos County, TX | Oil & Gas Property | Jun 2026 |
| 573 | CARROLL | Eastland County, TX | Oil & Gas Property | May 2026 |
| 574 | CARROLL | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 575 | CARROLL | Foard County, TX | Oil & Gas Property | Apr 2026 |
| 576 | CARROLL | Polk County, TX | Oil & Gas Property | Jun 2026 |
| 577 | CARROLL "A" | Gray County, TX | Oil & Gas Property | Jun 2026 |
| 578 | CARROLL A | Panola County, TX | Oil & Gas Property | Jun 2026 |
| 579 | CARROLL BOB | Eastland County, TX | Oil & Gas Property | Jun 2026 |
| 580 | CARROLL INA K | Navarro County, TX | Oil & Gas Property | Dec 2022 |
| 581 | CARROLL NORTH 17 | Howard County, TX | Oil & Gas Property | Jun 2026 |
| 582 | CARROLL RETZLOFF 01 0 | Live Oak County, TX | Oil & Gas Property | Jun 2026 |
| 583 | CARROLL SOUTH 17 | Howard County, TX | Oil & Gas Property | Jun 2026 |
| 584 | CARROLL UNIT | Freestone County, TX | Oil & Gas Property | Jun 2026 |
| 585 | CARROLL WILLIAM EST | Jefferson County, TX | Oil & Gas Property | Jun 2026 |
| 586 | CARROT TOP CADDIS | Parker County, TX | Oil & Gas Property | Jun 2026 |
| 587 | CARRY BACK | Culberson County, TX | Oil & Gas Property | Jun 2026 |
| 588 | CARSON | Crockett County, TX | Oil & Gas Property | Jun 2026 |
| 589 | CARSON | Upton County, TX | Oil & Gas Property | May 2026 |
| 590 | CARSON | Ward County, TX | Oil & Gas Property | Mar 2023 |
| 591 | CARSON | Ward County, TX | Oil & Gas Property | Jun 2026 |
| 592 | CARSON | Reeves County, TX | Oil & Gas Property | Apr 2026 |
| 593 | CARSON | Wise County, TX | Oil & Gas Property | May 2026 |
| 594 | CARSON A | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 595 | CARSON A - ELDER B SA A | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 596 | CARSON H. TRUSTEE | Irion County, TX | Oil & Gas Property | Jun 2026 |
| 597 | CARSON HEZZIE | Hockley County, TX | Oil & Gas Property | Jun 2026 |
| 598 | CARSON OIL UNIT | Ward County, TX | Oil & Gas Property | Jun 2026 |
| 599 | CARSON RANCH | Tarrant County, TX | Gas Property | Jun 2026 |
| 600 | CARSON TURNER | Wise County, TX | Oil & Gas Property | Jun 2026 |