| 401 | CABOT AMHERST | Putnam County, WV | Oil & Gas Property | Dec 2021 |
| 402 | CABOT STATE | Lea County, NM | Oil & Gas Property | Mar 2026 |
| 403 | CABOT UNIVERSITY LANDS | Andrews County, TX | Oil & Gas Property | Apr 2014 |
| 404 | CABOT-DAHL | Hansford County, TX | Gas Property | Feb 2026 |
| 405 | CABOT-KRAMER | Palo Pinto County, TX | Oil & Gas Property | Oct 2025 |
| 406 | CABOT-UNIVERSITY | Andrews County, TX | Oil & Gas Property | Feb 2026 |
| 407 | CABRA LOCA 11 B | Lea County, NM | Oil & Gas Property | Feb 2026 |
| 408 | CABRA NINO 11 B | Lea County, NM | Oil & Gas Property | Feb 2026 |
| 409 | CABRA NINO 14 | Lea County, NM | Oil & Gas Property | Feb 2026 |
| 410 | CABRERA 34 FEDERAL | Eddy County, NM | Oil & Gas Property | Feb 2026 |
| 411 | CABRITO | Sublette County, WY | Oil & Gas Property | Mar 2026 |
| 412 | CABRITO LONG STATE | Reeves County, TX | Oil & Gas Property | Feb 2026 |
| 413 | CABRITO STATE | Reeves County, TX | Oil & Gas Property | Feb 2026 |
| 414 | CABS | Beckham County, OK | Oil & Gas Property | Feb 2026 |
| 415 | CABWAYLINGO ST | Wayne County, WV | Oil & Gas Property | Dec 2021 |
| 416 | CACHE | Weld County, CO | Oil & Gas Property | May 2025 |
| 417 | CACHE BASIN | Yolo County, CA | Gas Property | Nov 1987 |
| 418 | CACHE RIVER 29 32 STATE COM | Lea County, NM | Oil & Gas Property | Feb 2026 |
| 419 | CACHE UNIT | Montezuma County, CO | Oil & Gas Property | Jul 2014 |
| 420 | CACKLIN LOU STATE | Sublette County, WY | Oil & Gas Property | Mar 2026 |
| 421 | CACTUS | Eddy County, NM | Oil & Gas Property | Feb 2026 |
| 422 | CACTUS | Park County, WY | Oil & Gas Property | Feb 2026 |
| 423 | CACTUS 149-92-35B-05H TF | Dunn County, ND | Oil & Gas Property | Mar 2026 |
| 424 | CACTUS 16 STATE | Eddy County, NM | Oil & Gas Property | Apr 2020 |
| 425 | CACTUS 9 | Eddy County, NM | Oil & Gas Property | Feb 2026 |
| 426 | CACTUS B FEDERAL | Chaves County, NM | Gas Property | Feb 2026 |
| 427 | CACTUS FEDERAL | Chaves County, NM | Gas Property | Feb 2026 |
| 428 | CACTUS FLOWER | Chaves County, NM | Oil & Gas Property | Feb 2026 |
| 429 | CACTUS JACK | Webb County, TX | Oil & Gas Property | Feb 2026 |
| 430 | CACTUS PARK | San Juan County, UT | Oil & Gas Property | Nov 2024 |
| 431 | CACTUS QUEEN UNIT | Chaves County, NM | Oil & Gas Property | May 2009 |
| 432 | CACTUS ROSE UNIT | McMullen County, TX | Oil & Gas Property | Feb 2026 |
| 433 | CACY-SAUER | Bexar County, TX | Oil & Gas Property | Dec 2025 |
| 434 | CADDEL | Jack County, TX | Oil & Gas Property | Feb 2026 |
| 435 | CADDELL | Crosby County, TX | Oil & Gas Property | Feb 2026 |
| 436 | CADDELL | Hockley County, TX | Oil & Gas Property | Jan 2026 |
| 437 | CADDELL | Denton County, TX | Oil & Gas Property | Feb 2026 |
| 438 | CADDIS UNIT | Monroe County, OH | Gas Property | Dec 2025 |
| 439 | CADDO 20 | Roger Mills County, OK | Oil & Gas Property | Feb 2026 |
| 440 | CADDO FEDERAL | Eddy County, NM | Oil & Gas Property | Mar 2026 |
| 441 | CADDO LAKE | Caddo Parish, LA | Oil & Gas Property | Jan 2025 |
| 442 | CADDO LAKE (AW) | Panola County, TX | Oil & Gas Property | Feb 2026 |
| 443 | CADDO LEV | Caddo Parish, LA | Oil & Gas Property | Jan 2025 |
| 444 | CADDO MINERAL | Caddo Parish, LA | Oil & Gas Property | Jan 2025 |
| 445 | CADDO OIL FIELDS CO FEE | Caddo Parish, LA | Oil & Gas Property | Jan 2025 |
| 446 | CADDO OIL MIN | Caddo Parish, LA | Oil & Gas Property | Dec 2024 |
| 447 | CADDO PARISH SCHOOL B | Caddo Parish, LA | Oil & Gas Property | Dec 2024 |
| 448 | CADDO PARISH SCHOOL B | Caddo Parish, LA | Oil & Gas Property | Jan 2025 |
| 449 | CADDO PARISH SCHOOL BOARD | Caddo Parish, LA | Oil Property | Jan 2025 |
| 450 | CADDO PR SCHL BD | Caddo Parish, LA | Oil & Gas Property | Nov 2024 |
| 451 | CADDO SER 1 | Caddo Parish, LA | Gas Property | Dec 2024 |
| 452 | CADE | Galveston County, TX | Oil & Gas Property | Feb 2026 |
| 453 | CADE | Eastland County, TX | Oil & Gas Property | Feb 2021 |
| 454 | CADE 12 | McKenzie County, ND | Oil & Gas Property | Mar 2026 |
| 455 | CADE ESTATE | Caddo County, OK | Oil & Gas Property | Feb 2026 |
| 456 | CADEN | Upton County, TX | Oil & Gas Property | Feb 2026 |
| 457 | CADENA 0310 | Campbell County, WY | Oil & Gas Property | Mar 2026 |
| 458 | CADENHEAD | Leon County, TX | Oil & Gas Property | Jan 2026 |
| 459 | CADENHEAD | Harrison County, TX | Oil & Gas Property | Feb 2026 |
| 460 | CADENHEAD | Ward County, TX | Oil & Gas Property | Feb 2026 |
| 461 | CADENHEAD | Panola County, TX | Oil & Gas Property | Feb 2026 |
| 462 | CADENHEAD UNIT | La Salle County, TX | Oil & Gas Property | Feb 2026 |
| 463 | CADER 00 | Armstrong County, PA | Oil & Gas Property | Dec 2025 |
| 464 | CADET FE | Johnson County, WY | Oil & Gas Property | Feb 2026 |
| 465 | CADILLAC | Eddy County, NM | Oil & Gas Property | Mar 2026 |
| 466 | CADLE MAHN7 | Mahoning County, OH | Oil & Gas Property | Dec 2025 |
| 467 | CADMIUM 147-93-17B-20H | Dunn County, ND | Oil & Gas Property | Mar 2026 |
| 468 | CADMIUM FR UNIT 30 | Glasscock County, TX | Oil & Gas Property | Feb 2026 |
| 469 | CADWALADER UNIT | Lycoming County, PA | Gas Property | Mar 2026 |
| 470 | CADY | Freestone County, TX | Oil & Gas Property | Feb 2026 |
| 471 | CADY 'A' | Seward County, KS | Oil & Gas Property | Jan 2026 |
| 472 | CADY WIL | Harper County, OK | Oil & Gas Property | Feb 2026 |
| 473 | CADY WILLIAM R. ET AL | Anderson County, TX | Oil & Gas Property | Dec 2025 |
| 474 | CAESAR | Seminole County, OK | Oil Property | Nov 2025 |
| 475 | CAESAR | Weld County, CO | Oil & Gas Property | Aug 2017 |
| 476 | CAESAR 32 | Glasscock County, TX | Oil & Gas Property | Feb 2026 |
| 477 | CAESAR BURGESS A | Seminole County, OK | Oil Property | Feb 2026 |
| 478 | CAESAR WHITE | De Soto Parish, LA | Gas Property | Dec 2024 |
| 479 | CAFFALL FD | Eddy County, NM | Oil & Gas Property | Jun 2020 |
| 480 | CAFFEY | Martin County, TX | Oil & Gas Property | Jan 2026 |
| 481 | CAFFEY 33#1H | Roger Mills County, OK | Oil & Gas Property | Feb 2026 |
| 482 | CAFFEY ARMOR | Concho County, TX | Oil & Gas Property | Feb 2026 |
| 483 | CAFFEY-CHIEFTAIN 3229 | Martin County, TX | Oil & Gas Property | Feb 2026 |
| 484 | CAFFREY 103 | Lipscomb County, TX | Oil & Gas Property | Feb 2026 |
| 485 | CAFLISCH | Chautauqua County, NY | Gas Property | Dec 2024 |
| 486 | CAGE | Nueces County, TX | Oil & Gas Property | Feb 2026 |
| 487 | CAGE | Maverick County, TX | Oil & Gas Property | Feb 2026 |
| 488 | CAGE | Maverick County, TX | Oil & Gas Property | Feb 2026 |
| 489 | CAGE A | Maverick County, TX | Oil & Gas Property | Jan 2026 |
| 490 | CAGE ESTATE | Brooks County, TX | Oil & Gas Property | Feb 2026 |
| 491 | CAGE R | Brooks County, TX | Oil & Gas Property | Feb 2026 |
| 492 | CAGE RANCH | Brooks County, TX | Oil & Gas Property | Feb 2026 |
| 493 | CAGE-BRISCOE | Maverick County, TX | Oil & Gas Property | Jan 2026 |
| 494 | CAGE-BRISCOE | Maverick County, TX | Oil Property | Feb 2026 |
| 495 | CAGLE | Fresno County, CA | Oil & Gas Property | Dec 2015 |
| 496 | CAGLE C | Lea County, NM | Oil & Gas Property | Feb 2026 |
| 497 | CAGLE GAS UNIT | Freestone County, TX | Oil & Gas Property | Feb 2026 |
| 498 | CAGLE-HARRIS | Rusk County, TX | Oil & Gas Property | Feb 2026 |
| 499 | CAHAL 4-15C4 | Duchesne County, UT | Oil & Gas Property | Mar 2026 |
| 500 | CAHILL | Fisher County, TX | Oil & Gas Property | Oct 2019 |