| 18401 | CABALLO | Campbell County, WY | Gas Property | May 2011 |
| 18402 | CABALLO | Campbell County, WY | Gas Property | Jul 2005 |
| 18403 | CABALLO | Campbell County, WY | Gas Property | Jul 2011 |
| 18404 | CABALLO | Brazos County, TX | Oil & Gas Property | Nov 2025 |
| 18405 | CABALLO | San Juan County, UT | Oil & Gas Property | Jul 2011 |
| 18406 | CABALLO | Campbell County, WY | Oil & Gas Property | Oct 2025 |
| 18407 | CABALLO 23 FEDERAL | Lea County, NM | Oil & Gas Property | Jan 2026 |
| 18408 | CABALLO AZUL 28-33 | Dawson County, TX | Oil & Gas Property | Dec 2025 |
| 18409 | CABALLO COAL FEDERAL | Campbell County, WY | Gas Property | Dec 2006 |
| 18410 | CABE | Lafayette County, AR | Oil Property | Mar 1971 |
| 18411 | CABE TROY | Hemphill County, TX | Oil & Gas Property | Dec 2025 |
| 18412 | CABEEN | Pecos County, TX | Oil & Gas Property | Oct 2025 |
| 18413 | CABELL, ALBERT | Logan County, WV | Gas Property | Dec 2021 |
| 18414 | CABERNET | Blaine County, OK | Oil & Gas Property | Dec 2025 |
| 18415 | CABERNET | Martin County, TX | Oil & Gas Property | Dec 2025 |
| 18416 | CABEZON | Webb County, TX | Oil & Gas Property | Dec 2025 |
| 18417 | CABIN | Okmulgee County, OK | Oil & Gas Property | May 2012 |
| 18418 | CABIN CR | Fallon County, MT | Oil & Gas Property | Dec 2025 |
| 18419 | CABIN CRUISER 1 | Uintah County, UT | Oil & Gas Property | Jan 2026 |
| 18420 | CABIN LAKE 31 FEDERAL | Lea County, NM | Oil & Gas Property | Aug 2025 |
| 18421 | CABINET STATE 55-2 UNIT | Reeves County, TX | Oil & Gas Property | Dec 2025 |
| 18422 | CABLE | Pittsburg County, OK | Oil & Gas Property | Dec 2025 |
| 18423 | CABLE | Pittsburg County, OK | Gas Property | Dec 2025 |
| 18424 | CABLE | Stark County, OH | Oil & Gas Property | Dec 2024 |
| 18425 | CABLE | Pittsburg County, OK | Gas Property | Jan 2026 |
| 18426 | CABLE & SNYDER LOGGING CO | Clearfield County, PA | Gas Property | Dec 2024 |
| 18427 | CABLE 19 35 | Lea County, NM | Oil & Gas Property | Jan 2026 |
| 18428 | CABLE MARIE 29-15-HLID3 | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 18429 | CABLE, AUSTIN | Lee County, KY | Oil Property | Dec 2023 |
| 18430 | CABLE, JACOB R H | Wolfe County, KY | Oil Property | Dec 2023 |
| 18431 | CABLE, TOPSY | Lee County, KY | Oil Property | Dec 2023 |
| 18432 | CABLE-S | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 18433 | CABLE-STEPPLER 20-2H | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 18434 | CABO BLANCO STATE | Lea County, NM | Oil & Gas Property | Jan 2026 |
| 18435 | CABO WABO 24 FEDERAL | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 18436 | CABO WABO 25 FEDERAL | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 18437 | CABO WABO FEDERAL COM | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 18438 | CABOT | Texas County, OK | Oil & Gas Property | Dec 2025 |
| 18439 | CABOT 15591-0112 | Mountrail County, ND | Oil & Gas Property | Jan 2026 |
| 18440 | CABOT AMHERST | Putnam County, WV | Oil & Gas Property | Dec 2021 |
| 18441 | CABOT STATE | Lea County, NM | Oil & Gas Property | Jan 2026 |
| 18442 | CABOT UNIVERSITY LANDS | Andrews County, TX | Oil & Gas Property | Apr 2014 |
| 18443 | CABOT-DAHL | Hansford County, TX | Gas Property | Dec 2025 |
| 18444 | CABOT-KRAMER | Palo Pinto County, TX | Oil & Gas Property | Dec 2025 |
| 18445 | CABOT-UNIVERSITY | Andrews County, TX | Oil & Gas Property | Dec 2025 |
| 18446 | CABRA LOCA 11 B | Lea County, NM | Oil & Gas Property | Jan 2026 |
| 18447 | CABRA NINO 11 B | Lea County, NM | Oil & Gas Property | Jan 2026 |
| 18448 | CABRA NINO 14 | Lea County, NM | Oil & Gas Property | Jan 2026 |
| 18449 | CABRERA 34 FEDERAL | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 18450 | CABRITO | Sublette County, WY | Oil & Gas Property | Dec 2025 |
| 18451 | CABRITO LONG STATE | Reeves County, TX | Oil & Gas Property | Dec 2025 |
| 18452 | CABRITO STATE | Reeves County, TX | Oil & Gas Property | Dec 2025 |
| 18453 | CABS | Beckham County, OK | Oil & Gas Property | Dec 2025 |
| 18454 | CABWAYLINGO ST | Wayne County, WV | Oil & Gas Property | Dec 2021 |
| 18455 | CACHE | Weld County, CO | Oil & Gas Property | May 2025 |
| 18456 | CACHE BASIN | Yolo County, CA | Gas Property | Nov 1987 |
| 18457 | CACHE RIVER 29 32 STATE COM | Lea County, NM | Oil & Gas Property | Dec 2025 |
| 18458 | CACHE UNIT | Montezuma County, CO | Oil & Gas Property | Jul 2014 |
| 18459 | CACKLIN LOU STATE | Sublette County, WY | Oil & Gas Property | Jan 2026 |
| 18460 | CACTUS | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 18461 | CACTUS | Park County, WY | Oil & Gas Property | Jan 2026 |
| 18462 | CACTUS 149-92-35B-05H TF | Dunn County, ND | Oil & Gas Property | Jan 2026 |
| 18463 | CACTUS 16 STATE | Eddy County, NM | Oil & Gas Property | Apr 2020 |
| 18464 | CACTUS 9 | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 18465 | CACTUS B FEDERAL | Chaves County, NM | Gas Property | Jan 2026 |
| 18466 | CACTUS FEDERAL | Chaves County, NM | Gas Property | Jan 2026 |
| 18467 | CACTUS FLOWER | Chaves County, NM | Oil & Gas Property | Jan 2026 |
| 18468 | CACTUS JACK | Webb County, TX | Oil & Gas Property | Dec 2025 |
| 18469 | CACTUS PARK | San Juan County, UT | Oil & Gas Property | Nov 2024 |
| 18470 | CACTUS QUEEN UNIT | Chaves County, NM | Oil & Gas Property | May 2009 |
| 18471 | CACTUS ROSE UNIT | McMullen County, TX | Oil & Gas Property | Dec 2025 |
| 18472 | CACY-SAUER | Bexar County, TX | Oil & Gas Property | Nov 2025 |
| 18473 | CADDEL | Jack County, TX | Oil & Gas Property | Dec 2025 |
| 18474 | CADDELL | Crosby County, TX | Oil & Gas Property | Dec 2025 |
| 18475 | CADDELL | Hockley County, TX | Oil & Gas Property | Nov 2025 |
| 18476 | CADDELL | Denton County, TX | Oil & Gas Property | Dec 2025 |
| 18477 | CADDIS | Wilbarger County, TX | Oil Property | Dec 2025 |
| 18478 | CADDIS UNIT | Monroe County, OH | Gas Property | Dec 2025 |
| 18479 | CADDO 20 | Roger Mills County, OK | Oil & Gas Property | Dec 2025 |
| 18480 | CADDO FEDERAL | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 18481 | CADDO LAKE | Caddo Parish, LA | Oil & Gas Property | Jan 2025 |
| 18482 | CADDO LAKE (AW) | Panola County, TX | Oil & Gas Property | Dec 2025 |
| 18483 | CADDO LEV | Caddo Parish, LA | Oil & Gas Property | Jan 2025 |
| 18484 | CADDO MINERAL | Caddo Parish, LA | Oil & Gas Property | Jan 2025 |
| 18485 | CADDO OIL FIELDS CO FEE | Caddo Parish, LA | Oil & Gas Property | Jan 2025 |
| 18486 | CADDO OIL MIN | Caddo Parish, LA | Oil & Gas Property | Dec 2024 |
| 18487 | CADDO PARISH SCHOOL B | Caddo Parish, LA | Oil & Gas Property | Dec 2024 |
| 18488 | CADDO PARISH SCHOOL B | Caddo Parish, LA | Oil & Gas Property | Jan 2025 |
| 18489 | CADDO PARISH SCHOOL BOARD | Caddo Parish, LA | Oil Property | Jan 2025 |
| 18490 | CADDO PR SCHL BD | Caddo Parish, LA | Oil & Gas Property | Nov 2024 |
| 18491 | CADDO SER 1 | Caddo Parish, LA | Gas Property | Dec 2024 |
| 18492 | CADE | Galveston County, TX | Oil & Gas Property | Dec 2025 |
| 18493 | CADE | Eastland County, TX | Oil & Gas Property | Dec 2023 |
| 18494 | CADE 12 | McKenzie County, ND | Oil & Gas Property | Jan 2026 |
| 18495 | CADE ESTATE | Caddo County, OK | Oil & Gas Property | Dec 2025 |
| 18496 | CADEN | Upton County, TX | Oil & Gas Property | Dec 2025 |
| 18497 | CADENA 0310 | Campbell County, WY | Oil & Gas Property | Jan 2026 |
| 18498 | CADENHEAD | Leon County, TX | Oil & Gas Property | Aug 2025 |
| 18499 | CADENHEAD | Harrison County, TX | Oil & Gas Property | Dec 2025 |
| 18500 | CADENHEAD | Ward County, TX | Oil & Gas Property | Dec 2025 |