| 20401 | CASTLE P | Duchesne County, UT | Oil & Gas Property | Apr 2014 |
| 20402 | CASTLE PEAK | Stafford County, KS | Oil Property | Aug 2024 |
| 20403 | CASTLE PINES | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 20404 | CASTLE, FLORENCE | Neosho County, KS | Gas Property | Dec 2024 |
| 20405 | CASTLE, FREDDIE | Lawrence County, KY | Oil & Gas Property | Nov 2017 |
| 20406 | CASTLEBERRY | Panola County, TX | Oil & Gas Property | Jan 2025 |
| 20407 | CASTLEBERRY | Gray County, TX | Oil & Gas Property | Jan 2025 |
| 20408 | CASTLEBERRY | Gray County, TX | Oil & Gas Property | Jan 2025 |
| 20409 | CASTLEBERRY | Gregg County, TX | Oil & Gas Property | Jan 2025 |
| 20410 | CASTLEBERRY | Gregg County, TX | Oil & Gas Property | Jan 2025 |
| 20411 | CASTLEBERRY | Lincoln County, OK | Oil Property | Mar 2020 |
| 20412 | CASTLEBERRY | Gregg County, TX | Oil & Gas Property | Jan 2025 |
| 20413 | CASTLEBERRY 1-32H | Marshall County, OK | Oil & Gas Property | Jan 2025 |
| 20414 | CASTLEBERRY J. O | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 20415 | CASTLEBERRY TRT | Tarrant County, TX | Gas Property | Oct 2023 |
| 20416 | CASTLEBURY | Wilbarger County, TX | Oil & Gas Property | Jan 2025 |
| 20417 | CASTLEGATE | Carbon County, UT | Gas Property | Jan 2024 |
| 20418 | CASTLEGATE | Grand County, UT | Oil & Gas Property | Aug 2024 |
| 20419 | CASTLEMAN | Moore County, TX | Gas Property | Jan 2025 |
| 20420 | CASTLEMAN J. L | Young County, TX | Oil & Gas Property | Jan 2025 |
| 20421 | CASTLEWOOD | Lee County, TX | Oil & Gas Property | Jan 2025 |
| 20422 | CASTO | Texas County, OK | Oil & Gas Property | Jan 2025 |
| 20423 | CASTO | Clay County, WV | Oil & Gas Property | Dec 2021 |
| 20424 | CASTO | Denton County, TX | Oil & Gas Property | Jan 2025 |
| 20425 | CASTO UNIT I | La Salle County, TX | Oil & Gas Property | Jan 2025 |
| 20426 | CASTO, HA | Upshur County, WV | Oil & Gas Property | Dec 2021 |
| 20427 | CASTO, J. B | Clay County, WV | Oil & Gas Property | Dec 2021 |
| 20428 | CASTO, WENDELL | Jackson County, WV | Oil & Gas Property | Dec 2021 |
| 20429 | CASTO, WILB | Barbour County, WV | Gas Property | Dec 2021 |
| 20430 | CASTO, WILLIAM | Jackson County, WV | Gas Property | Dec 2021 |
| 20431 | CASTO-CHIEF 1H | Denton County, TX | Gas Property | Jan 2025 |
| 20432 | CASTO-CT FOUR (SA) A 1H | Denton County, TX | Gas Property | Jan 2025 |
| 20433 | CASTO-PONDER-CT FOUR (SA) | Denton County, TX | Gas Property | Jan 2025 |
| 20434 | CASTON | Navarro County, TX | Oil & Gas Property | Dec 2024 |
| 20435 | CASTON L | Guernsey County, OH | Oil & Gas Property | Dec 2024 |
| 20436 | CASTON N | Guernsey County, OH | Oil & Gas Property | Dec 2024 |
| 20437 | CASTONGUAY | Blaine County, OK | Oil & Gas Property | Jan 2025 |
| 20438 | CASTONGUAY | Blaine County, OK | Oil & Gas Property | Jan 2025 |
| 20439 | CASTONGUAY | Kingfisher County, OK | Oil & Gas Property | Jan 2025 |
| 20440 | CASTOR | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 20441 | CASTOR | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 20442 | CASTOR FEDERAL LD1 | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 20443 | CASTOR HANS | Weld County, CO | Oil & Gas Property | Nov 2019 |
| 20444 | CASTOR LD | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 20445 | CASTRO ET AL UNIT | Washington County, PA | Gas Property | Feb 2025 |
| 20446 | CASTRO GAS UNIT #2 | Chambers County, TX | Oil & Gas Property | Jan 2025 |
| 20447 | CASTROGIOVANNI A | Susquehanna County, PA | Gas Property | Feb 2025 |
| 20448 | CASTRUCCIO | Los Angeles County, CA | Oil & Gas Property | Dec 2024 |
| 20449 | CASWELL | Montague County, TX | Oil & Gas Property | Jan 2025 |
| 20450 | CASWELL | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 20451 | CASWELL | Montague County, TX | Oil & Gas Property | Jan 2025 |
| 20452 | CASWELL 23 FEDERAL | Lea County, NM | Oil & Gas Property | Feb 2025 |
| 20453 | CASWELL TRUST | Hardin County, TX | Oil & Gas Property | Apr 2021 |
| 20454 | CASWELL-CHILDERS | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 20455 | CAT CLAW | Irion County, TX | Oil & Gas Property | Jan 2025 |
| 20456 | CAT CLAW A | Reagan County, TX | Oil & Gas Property | Jan 2025 |
| 20457 | CAT CREEK | Johnson County, WY | Gas Property | Jan 2025 |
| 20458 | CAT CREEK UNIT | Petroleum County, MT | Oil Property | Feb 2025 |
| 20459 | CAT CS FEDERAL | Johnson County, WY | Gas Property | Dec 2019 |
| 20460 | CAT DRAW | Rio Arriba County, NM | Gas Property | Feb 2025 |
| 20461 | CAT FED 3873-1201 | Converse County, WY | Oil & Gas Property | Feb 2025 |
| 20462 | CAT ISLAND 16 STATE | Eddy County, NM | Oil & Gas Property | Feb 2025 |
| 20463 | CATAHOULA | Catahoula Parish, LA | Oil & Gas Property | Jan 2025 |
| 20464 | CATALANO | Erie County, NY | Gas Property | Dec 2023 |
| 20465 | CATALINA | Blaine County, OK | Oil & Gas Property | Jan 2025 |
| 20466 | CATALINA | Carbon County, WY | Gas Property | Jan 2025 |
| 20467 | CATALINA 25 | Eddy County, NM | Oil & Gas Property | Feb 2025 |
| 20468 | CATALINA 30 EH STATE | Eddy County, NM | Oil & Gas Property | Feb 2025 |
| 20469 | CATALYST 5211 | Forest County, PA | Oil & Gas Property | Dec 2024 |
| 20470 | CATAPULT | Converse County, WY | Oil & Gas Property | Feb 2025 |
| 20471 | CATAPULT | Eddy County, NM | Oil & Gas Property | Feb 2025 |
| 20472 | CATARINA EAST | Dimmit County, TX | Oil & Gas Property | Jan 2025 |
| 20473 | CATCH FEDERAL 5201 11-12H | McKenzie County, ND | Oil & Gas Property | Feb 2025 |
| 20474 | CATCHER 40 | Howard County, TX | Oil & Gas Property | Jan 2025 |
| 20475 | CATCLAW AGM STATE COM | Eddy County, NM | Oil & Gas Property | Dec 2021 |
| 20476 | CATCLAW DRAW | Eddy County, NM | Oil & Gas Property | Feb 2025 |
| 20477 | CATCLAW STATE | Culberson County, TX | Oil & Gas Property | Jan 2025 |
| 20478 | CATCLAW UNIT 2-31 | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 20479 | CATE, J | Brown County, TX | Oil & Gas Property | Jan 2025 |
| 20480 | CATER | Jack County, TX | Oil & Gas Property | Jan 2025 |
| 20481 | CATERPILLAR 1506 | Kingfisher County, OK | Oil & Gas Property | Jan 2025 |
| 20482 | CATERPILLAR FE | Johnson County, WY | Oil & Gas Property | Feb 2025 |
| 20483 | CATES | Beaver County, OK | Oil & Gas Property | Jan 2025 |
| 20484 | CATES | Kern County, CA | Oil & Gas Property | Dec 2024 |
| 20485 | CATES | Sequoyah County, OK | Gas Property | Dec 2024 |
| 20486 | CATES | Hughes County, OK | Oil Property | Apr 2012 |
| 20487 | CATES | Johnson County, TX | Gas Property | Sep 2020 |
| 20488 | CATES | Parker County, TX | Oil & Gas Property | Jan 2025 |
| 20489 | CATES | Kent County, TX | Oil Property | Jan 2025 |
| 20490 | CATES | Howard County, TX | Oil & Gas Property | Jan 2025 |
| 20491 | CATES | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 20492 | CATES | Beaver County, OK | Oil & Gas Property | Jan 2025 |
| 20493 | CATES D | Rusk County, TX | Oil & Gas Property | Jan 2025 |
| 20494 | CATES PARTNER UNIT | Denton County, TX | Oil & Gas Property | Jan 2025 |
| 20495 | CATESBY | Harper County, OK | Oil & Gas Property | Jan 2025 |
| 20496 | CATESBY OPER | Harper County, OK | Oil & Gas Property | Jan 2025 |
| 20497 | CATESBY OPER | Ellis County, OK | Oil & Gas Property | Jan 2025 |
| 20498 | CATESVILLE UNIT | Union County, AR | Oil & Gas Property | Jan 2025 |
| 20499 | CATFISH | Kern County, CA | Oil & Gas Property | Dec 2024 |
| 20500 | CATFISH | Wood County, TX | Oil & Gas Property | Jan 2025 |