| 6401 | CO 158-92-7-6 | Mountrail County, ND | Oil & Gas Property | Feb 2026 |
| 6402 | CO GRIZZLY 3 | Lea County, NM | Oil & Gas Property | Jan 2026 |
| 6403 | CO ODEGARD | Campbell County, WY | Gas Property | Dec 2008 |
| 6404 | CO STATE A | Adams County, CO | Oil & Gas Property | May 2018 |
| 6405 | CO VIPER 4 33 FEDERAL | Lea County, NM | Oil & Gas Property | Jan 2026 |
| 6406 | CO YETI 15 22 FEDERAL COM | Lea County, NM | Oil & Gas Property | Jan 2026 |
| 6407 | CO2 PROJECT (COLLIVER) | Russell County, KS | Oil Property | Aug 2025 |
| 6408 | COACH JOE FEDERAL COM 12 | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 6409 | COACHES | Otsego County, MI | Gas Property | Aug 2025 |
| 6410 | COACHMAN 2015 | Major County, OK | Oil & Gas Property | Dec 2025 |
| 6411 | COACHMAN FEE | Lea County, NM | Oil & Gas Property | Jan 2026 |
| 6412 | COACHWHIP 17-2 | Howard County, TX | Oil & Gas Property | Dec 2025 |
| 6413 | COACHWHIP 25 | Winkler County, TX | Oil & Gas Property | Dec 2025 |
| 6414 | COACHWHIP 26 FEDERAL | Lea County, NM | Oil & Gas Property | Jan 2026 |
| 6415 | COAD OXF GR | Guernsey County, OH | Oil & Gas Property | Dec 2025 |
| 6416 | COADY | Harper County, KS | Oil & Gas Property | Sep 2025 |
| 6417 | COADY | Russell County, KS | Oil Property | Nov 2024 |
| 6418 | COAKLEY | Kiowa County, OK | Oil Property | Nov 2007 |
| 6419 | COAKLEY | Hocking County, OH | Oil & Gas Property | Dec 2025 |
| 6420 | COAL | Coal County, OK | Oil & Gas Property | Dec 2025 |
| 6421 | COAL BANK | Carbon County, WY | Oil & Gas Property | Jan 2026 |
| 6422 | COAL CREEK | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 6423 | COAL GULCH | Carbon County, WY | Oil & Gas Property | Dec 2025 |
| 6424 | COAL GULCH | Carbon County, WY | Oil & Gas Property | Sep 2025 |
| 6425 | COAL GULCH | Carbon County, WY | Oil & Gas Property | Dec 2025 |
| 6426 | COAL GULCH | Carbon County, WY | Oil & Gas Property | Dec 2025 |
| 6427 | COAL GULCH | Johnson County, WY | Gas Property | May 2023 |
| 6428 | COAL RIVER MINING | Raleigh County, WV | Gas Property | Dec 2021 |
| 6429 | COAL RV M&L CO | Raleigh County, WV | Gas Property | Dec 2021 |
| 6430 | COAL UNIT | Noble County, OH | Oil & Gas Property | Dec 2025 |
| 6431 | COALBANK | Carbon County, WY | Oil & Gas Property | Dec 2025 |
| 6432 | COALBANK | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 6433 | COALBANK CREEK | Weld County, CO | Oil & Gas Property | Jul 2019 |
| 6434 | COALE | Reeves County, TX | Oil & Gas Property | May 2025 |
| 6435 | COALGATE | Coal County, OK | Gas Property | Dec 2025 |
| 6436 | COALGATE LAKE | Coal County, OK | Oil & Gas Property | Dec 2025 |
| 6437 | COALINGA | Fresno County, CA | Oil & Gas Property | Dec 2025 |
| 6438 | COALINGA ASSOCIATES THERMAL | Fresno County, CA | Oil & Gas Property | Sep 2019 |
| 6439 | COALINGA FEE | Fresno County, CA | Oil & Gas Property | Feb 2012 |
| 6440 | COALINGA-MONTEREY | Kern County, CA | Oil Property | Dec 2025 |
| 6441 | COALQUEST DEVELOP | Taylor County, WV | Oil & Gas Property | Dec 2021 |
| 6442 | COALTRAIN CORPORATION COALT | Taylor County, WV | Oil & Gas Property | Dec 2021 |
| 6443 | COALVIEW G02-6 | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 6444 | COALY | San Juan County, NM | Gas Property | Dec 2025 |
| 6445 | COAN | Comanche County, TX | Oil & Gas Property | Nov 2025 |
| 6446 | COAN | Adams County, CO | Oil & Gas Property | Dec 2025 |
| 6447 | COAN | Weld County, CO | Oil & Gas Property | Aug 2024 |
| 6448 | COAN 41-21H | Dunn County, ND | Oil & Gas Property | Jan 2026 |
| 6449 | COAST | Butler County, PA | Gas Property | Dec 2025 |
| 6450 | COAST | Cattaraugus County, NY | Oil & Gas Property | Dec 2024 |
| 6451 | COASTAL | Creek County, OK | Oil Property | Dec 2025 |
| 6452 | COASTAL | Lea County, NM | Oil & Gas Property | Apr 2025 |
| 6453 | COASTAL | Fayette County, PA | Gas Property | Jan 2026 |
| 6454 | COASTAL COAL CO | Letcher County, KY | Oil & Gas Property | Dec 2021 |
| 6455 | COASTAL COAL WV, LLC | Braxton County, WV | Oil & Gas Property | Dec 2021 |
| 6456 | COASTAL FEE | Hidalgo County, TX | Oil & Gas Property | Dec 2025 |
| 6457 | COASTAL FOREST RESO | Harrison County, WV | Oil & Gas Property | Dec 2021 |
| 6458 | COASTAL FOREST RESOURCES | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 6459 | COASTAL FOREST RESOURCES | Lewis County, WV | Oil & Gas Property | Dec 2021 |
| 6460 | COASTAL FOREST RESOURCES | Doddridge County, WV | Gas Property | Dec 2021 |
| 6461 | COASTAL FOREST RESOURCES | Wetzel County, WV | Oil & Gas Property | Dec 2021 |
| 6462 | COASTAL FOREST RESOURCES CO | Randolph County, WV | Gas Property | Aug 2021 |
| 6463 | COASTAL FOREST RESOURCES CO | Wetzel County, WV | Oil & Gas Property | Dec 2021 |
| 6464 | COASTAL FOREST RESOURCES CO. D/B/A C | Wetzel County, WV | Oil & Gas Property | Dec 2021 |
| 6465 | COASTAL FOREST RESOURCES CO. VARNER | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 6466 | COASTAL FOREST RESOURCES COMPANY | Wetzel County, WV | Oil & Gas Property | Dec 2021 |
| 6467 | COASTAL FOREST RESOURCES COMPANY | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 6468 | COASTAL FOREST RESOURCES COMPANY | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 6469 | COASTAL FOREST RESOURCES COMPANY COASTAL | Monongalia County, WV | Gas Property | Dec 2021 |
| 6470 | COASTAL FOREST RESOURCES COMPANY D/B/A COASTAL TIMBERLANDS COMPA | Wetzel County, WV | Gas Property | Dec 2021 |
| 6471 | COASTAL LUMB | Calhoun County, WV | Oil & Gas Property | Dec 2021 |
| 6472 | COASTAL LUMBER | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 6473 | COASTAL LUMBER | Barbour County, WV | Oil & Gas Property | Sep 2021 |
| 6474 | COASTAL LUMBER | Lewis County, WV | Oil & Gas Property | Dec 2021 |
| 6475 | COASTAL LUMBER | Randolph County, WV | Oil & Gas Property | Dec 2021 |
| 6476 | COASTAL LUMBER | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 6477 | COASTAL LUMBER | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 6478 | COASTAL LUMBER | Upshur County, WV | Oil & Gas Property | Dec 2021 |
| 6479 | COASTAL LUMBER CO | Tyler County, WV | Oil & Gas Property | Dec 2021 |
| 6480 | COASTAL LUMBER CO | Wetzel County, WV | Oil & Gas Property | Dec 2021 |
| 6481 | COASTAL LUMBER CO | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 6482 | COASTAL LUMBER CO | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 6483 | COASTAL LUMBER CO | Wetzel County, WV | Oil & Gas Property | Dec 2021 |
| 6484 | COASTAL LUMBER CO | Ritchie County, WV | Oil & Gas Property | Jul 2008 |
| 6485 | COASTAL LUMBER CO | Clay County, WV | Gas Property | Jul 2001 |
| 6486 | COASTAL LUMBER CO | Randolph County, WV | Oil & Gas Property | Dec 2021 |
| 6487 | COASTAL LUMBER CO | Randolph County, WV | Gas Property | Dec 2021 |
| 6488 | COASTAL LUMBER CO | Upshur County, WV | Oil & Gas Property | Dec 2021 |
| 6489 | COASTAL LUMBER CO | Randolph County, WV | Gas Property | Sep 2020 |
| 6490 | COASTAL LUMBER COM | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 6491 | COASTAL LUMBER COM | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 6492 | COASTAL LUMBER COMPANY | Wetzel County, WV | Oil & Gas Property | Dec 2021 |
| 6493 | COASTAL LUMBER COMPANY | Wetzel County, WV | Oil & Gas Property | Dec 2021 |
| 6494 | COASTAL LUMBER COMPANY | Wetzel County, WV | Oil & Gas Property | Dec 2021 |
| 6495 | COASTAL LUMBER COMPANY 3 | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 6496 | COASTAL LUMBER COMPANY F. MAXWELL | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 6497 | COASTAL LUMBER COMPANY ZINN | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 6498 | COASTAL SANTA FE | Lea County, NM | Oil & Gas Property | Dec 2025 |
| 6499 | COASTAL TIMBERLANDS COM | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 6500 | COASTAL/SMITH UNIT | Fayette County, PA | Gas Property | Jan 2026 |