| 21501 | CHAGRIN VALLEY | Geauga County, OH | Oil & Gas Property | Dec 2024 |
| 21502 | CHAIKCIC | Fayette County, PA | Gas Property | Dec 2025 |
| 21503 | CHAIN | Garfield County, OK | Oil & Gas Property | Dec 2025 |
| 21504 | CHAIN | Dewey County, OK | Oil & Gas Property | Dec 2025 |
| 21505 | CHAIN | Harper County, KS | Oil & Gas Property | Sep 2025 |
| 21506 | CHAIN | Barber County, KS | Oil & Gas Property | Sep 2025 |
| 21507 | CHAIN | Dewey County, OK | Oil & Gas Property | Jan 2026 |
| 21508 | CHAIN | Dewey County, OK | Oil & Gas Property | Dec 2025 |
| 21509 | CHAIN | Okmulgee County, OK | Oil Property | Mar 2020 |
| 21510 | CHAIN BLUE LIGHTNING 26 FEDERAL | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 21511 | CHAIN C | Hutchinson County, TX | Oil & Gas Property | Nov 2025 |
| 21512 | CHAIN LAKES | Sweetwater County, WY | Oil & Gas Property | Dec 2025 |
| 21513 | CHAINSAW | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 21514 | CHAINSAW ED | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 21515 | CHAINSAW-MAGRUDER 11 | Richland County, MT | Oil & Gas Property | Jan 2026 |
| 21516 | CHAKA STATE | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 21517 | CHALFANT | Stephens County, OK | Oil & Gas Property | Dec 2025 |
| 21518 | CHALFANT | Graham County, KS | Oil Property | Sep 2025 |
| 21519 | CHALFANT | Washington County, PA | Gas Property | Dec 2025 |
| 21520 | CHALFANT | Ford County, KS | Oil & Gas Property | Oct 2024 |
| 21521 | CHALFANT | Roger Mills County, OK | Oil & Gas Property | Dec 2025 |
| 21522 | CHALFANT | Roger Mills County, OK | Oil & Gas Property | Dec 2025 |
| 21523 | CHALFANT 1 | Roger Mills County, OK | Oil & Gas Property | Dec 2025 |
| 21524 | CHALK | Edwards County, KS | Oil & Gas Property | Mar 2018 |
| 21525 | CHALK | Howard County, TX | Oil & Gas Property | Dec 2025 |
| 21526 | CHALK 0 | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 21527 | CHALK BLUFF | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 21528 | CHALK BLUFF 55-4-1 1H | Reeves County, TX | Oil & Gas Property | Dec 2025 |
| 21529 | CHALK ESTATE | Howard County, TX | Oil & Gas Property | Dec 2025 |
| 21530 | CHALK FEDERAL | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 21531 | CHALK HILL UNIT | Burleson County, TX | Oil & Gas Property | Nov 2025 |
| 21532 | CHALK MARY | Howard County, TX | Oil & Gas Property | Dec 2025 |
| 21533 | CHALK OTIS | Glasscock County, TX | Oil & Gas Property | Dec 2025 |
| 21534 | CHALKER | Los Angeles County, CA | Oil & Gas Property | May 1991 |
| 21535 | CHALKLEY | Pecos County, TX | Oil & Gas Property | Dec 2025 |
| 21536 | CHALKLINE GHOST | La Salle County, TX | Oil & Gas Property | Dec 2025 |
| 21537 | CHALKY WHITE UNIT | Tulsa County, OK | Oil Property | Sep 2025 |
| 21538 | CHALLENGER | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 21539 | CHALLENGER | Karnes County, TX | Oil & Gas Property | Dec 2025 |
| 21540 | CHALLENGER | Laramie County, WY | Oil & Gas Property | Jan 2026 |
| 21541 | CHALLENGER 1 STATE | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 21542 | CHALLENGER 2 | Roosevelt County, MT | Oil & Gas Property | Jan 2026 |
| 21543 | CHALLENGER 228-512 UNIT | Pecos County, TX | Oil & Gas Property | Dec 2025 |
| 21544 | CHALLENGER 24 FEE | Lea County, NM | Oil & Gas Property | Jan 2026 |
| 21545 | CHALLENGER FEDERAL | Mountrail County, ND | Oil & Gas Property | Jan 2026 |
| 21546 | CHALLENGER STATE | Reeves County, TX | Oil & Gas Property | Dec 2025 |
| 21547 | CHALLIS | Washington County, CO | Oil Property | Jan 2014 |
| 21548 | CHALMERS 530 | McKenzie County, ND | Oil & Gas Property | Jan 2026 |
| 21549 | CHALMERS TRT 2H | Tarrant County, TX | Gas Property | Dec 2025 |
| 21550 | CHALMERS WADE FEDERAL 530 | McKenzie County, ND | Oil & Gas Property | Jan 2026 |
| 21551 | CHALOS ABRAS GU | La Salle County, TX | Oil & Gas Property | Nov 2025 |
| 21552 | CHALOS MINERALS | La Salle County, TX | Oil & Gas Property | Nov 2025 |
| 21553 | CHALOS-LYSSY PSA | La Salle County, TX | Gas Property | Nov 2025 |
| 21554 | CHALOUPEK | Beaver County, OK | Oil & Gas Property | May 2025 |
| 21555 | CHALOUPKA-WORTHINGTON UNIT | Burleson County, TX | Oil & Gas Property | Dec 2025 |
| 21556 | CHALUPA 34-153 UNIT | Ward County, TX | Oil & Gas Property | Dec 2025 |
| 21557 | CHALUPA AAD STATE | Lea County, NM | Oil & Gas Property | Mar 2002 |
| 21558 | CHALYBEAT SPRINGS SMACKOVER UNIT | Columbia County, AR | Oil & Gas Property | Nov 2018 |
| 21559 | CHAMA | Pontotoc County, OK | Oil Property | Nov 2021 |
| 21560 | CHAMBERLAIN | Roger Mills County, OK | Oil & Gas Property | Dec 2025 |
| 21561 | CHAMBERLAIN | Sumner County, KS | Oil Property | Mar 2009 |
| 21562 | CHAMBERLAIN | Woods County, OK | Oil & Gas Property | Oct 2015 |
| 21563 | CHAMBERLAIN | Brooks County, TX | Oil & Gas Property | Jan 2024 |
| 21564 | CHAMBERLAIN | San Juan County, NM | Oil & Gas Property | Jan 2026 |
| 21565 | CHAMBERLAIN | Ingham County, MI | Oil Property | Nov 2025 |
| 21566 | CHAMBERLAIN | Webb County, TX | Oil & Gas Property | Dec 2025 |
| 21567 | CHAMBERLAIN-ELDER UNIT | Denton County, TX | Gas Property | Dec 2025 |
| 21568 | CHAMBERLAIN-GONGORA UNIT | Webb County, TX | Oil & Gas Property | Dec 2025 |
| 21569 | CHAMBERLIN | Santa Barbara County, CA | Oil & Gas Property | Dec 2025 |
| 21570 | CHAMBERLIN L | Jefferson County, PA | Gas Property | Dec 2008 |
| 21571 | CHAMBERLIN MEYER | Bradford County, PA | Gas Property | Jan 2026 |
| 21572 | CHAMBERS | Morton County, KS | Gas Property | Sep 2025 |
| 21573 | CHAMBERS | Washakie County, WY | Oil & Gas Property | Jan 2026 |
| 21574 | CHAMBERS | Roane County, WV | Oil & Gas Property | Dec 2021 |
| 21575 | CHAMBERS | Furnas County, NE | Oil Property | Dec 2024 |
| 21576 | CHAMBERS | Sweetwater County, WY | Oil & Gas Property | Dec 2025 |
| 21577 | CHAMBERS | Creek County, OK | Oil Property | Jul 2014 |
| 21578 | CHAMBERS | Seminole County, OK | Oil Property | Sep 2025 |
| 21579 | CHAMBERS | Washington County, PA | Gas Property | Jan 2026 |
| 21580 | CHAMBERS | Crockett County, TX | Oil & Gas Property | Dec 2015 |
| 21581 | CHAMBERS | Haskell County, TX | Oil Property | Dec 2025 |
| 21582 | CHAMBERS | Roberts County, TX | Oil & Gas Property | Dec 2025 |
| 21583 | CHAMBERS | Lea County, NM | Oil & Gas Property | Jan 2026 |
| 21584 | CHAMBERS | Logan County, OK | Oil & Gas Property | Dec 2025 |
| 21585 | CHAMBERS | Seward County, KS | Oil & Gas Property | Sep 2025 |
| 21586 | CHAMBERS | Brown County, TX | Oil & Gas Property | Dec 2025 |
| 21587 | CHAMBERS | Jack County, TX | Oil & Gas Property | Mar 2020 |
| 21588 | CHAMBERS | Franklin County, KS | Oil Property | Sep 2025 |
| 21589 | CHAMBERS | Raleigh County, WV | Gas Property | Dec 2021 |
| 21590 | CHAMBERS | Decatur County, KS | Oil Property | Sep 2025 |
| 21591 | CHAMBERS | Kay County, OK | Oil Property | Dec 2025 |
| 21592 | CHAMBERS | Boone County, WV | Gas Property | Dec 2021 |
| 21593 | CHAMBERS | Marshall County, WV | Oil & Gas Property | Dec 2021 |
| 21594 | CHAMBERS COUNTY | Chambers County, TX | Oil & Gas Property | Dec 2025 |
| 21595 | CHAMBERS D | Decatur County, KS | Oil Property | Aug 2025 |
| 21596 | CHAMBERS FRANK M. ETAL | Roberts County, TX | Oil & Gas Property | Dec 2025 |
| 21597 | CHAMBERS G | Wise County, TX | Oil & Gas Property | Dec 2025 |
| 21598 | CHAMBERS O | Susquehanna County, PA | Gas Property | Jan 2026 |
| 21599 | CHAMBERS STRAWN UNIT | Lea County, NM | Oil & Gas Property | May 2017 |
| 21600 | CHAMBERS, DEAN | Whitley County, KY | Oil & Gas Property | Dec 2024 |