| 41401 | FERNYHOUGH | Sheridan County, MT | Oil & Gas Property | May 2003 |
| 41402 | FEROS | Lavaca County, TX | Oil & Gas Property | Dec 2025 |
| 41403 | FERRARA | Trumbull County, OH | Oil & Gas Property | Dec 2025 |
| 41404 | FERRARINI | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 41405 | FERRARO | Bradford County, PA | Gas Property | Jan 2026 |
| 41406 | FERRARO | Harrison County, OH | Gas Property | Dec 2013 |
| 41407 | FERREBEE | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 41408 | FERREBEE BEA | Beaver County, PA | Gas Property | Jan 2026 |
| 41409 | FERREBEE, R | Doddridge County, WV | Oil & Gas Property | Jun 2021 |
| 41410 | FERREE | Butler County, PA | Gas Property | Jan 2026 |
| 41411 | FERREE A | Woodson County, KS | Oil Property | Aug 2025 |
| 41412 | FERREL | Runnels County, TX | Oil & Gas Property | Oct 2025 |
| 41413 | FERRELL | Roane County, WV | Oil & Gas Property | Dec 2021 |
| 41414 | FERRELL | Calhoun County, WV | Oil & Gas Property | Dec 2021 |
| 41415 | FERRELL | Dewey County, OK | Oil & Gas Property | Dec 2025 |
| 41416 | FERRELL | Franklin County, KS | Oil Property | Sep 2025 |
| 41417 | FERRELL | Atascosa County, TX | Oil & Gas Property | Feb 2022 |
| 41418 | FERRELL | Roane County, WV | Oil & Gas Property | Dec 2021 |
| 41419 | FERRELL | Harrison County, OH | Oil & Gas Property | Dec 2024 |
| 41420 | FERRELL | Dewey County, OK | Oil & Gas Property | Dec 2025 |
| 41421 | FERRELL | Caddo Parish, LA | Oil Property | Oct 2024 |
| 41422 | FERRELL | Live Oak County, TX | Oil & Gas Property | Dec 2025 |
| 41423 | FERRELL | Harper County, KS | Oil & Gas Property | Sep 2001 |
| 41424 | FERRELL | Eastland County, TX | Oil & Gas Property | Dec 2025 |
| 41425 | FERRELL | Ritchie County, WV | Oil & Gas Property | Jul 2021 |
| 41426 | FERRELL | Butler County, KS | Oil Property | Sep 2025 |
| 41427 | FERRELL | Jack County, TX | Oil & Gas Property | Nov 2025 |
| 41428 | FERRELL & HATCHER | Pike County, KY | Oil & Gas Property | Dec 2024 |
| 41429 | FERRELL & HATCHER | Pike County, KY | Gas Property | Dec 2024 |
| 41430 | FERRELL 1-17H | Alfalfa County, OK | Oil & Gas Property | Dec 2025 |
| 41431 | FERRELL A | Freestone County, TX | Oil & Gas Property | Dec 2025 |
| 41432 | FERRELL BROTHERS | Alfalfa County, OK | Oil & Gas Property | Apr 2003 |
| 41433 | FERRELL MRS. ISABEL R. A | Live Oak County, TX | Oil & Gas Property | Dec 2025 |
| 41434 | FERRELL, BUDDY | Johnson County, KY | Gas Property | Dec 2024 |
| 41435 | FERRELL, ISABEL R | Live Oak County, TX | Oil & Gas Property | Dec 2025 |
| 41436 | FERRELL, ROY E. ROY FERRELL | Ohio County, WV | Oil & Gas Property | Dec 2021 |
| 41437 | FERRELL-RICHARDS | Jack County, TX | Oil & Gas Property | Jul 2025 |
| 41438 | FERRERO | Santa Barbara County, CA | Oil & Gas Property | Jun 1989 |
| 41439 | FERRET 17-20-29 | Hughes County, OK | Oil & Gas Property | Dec 2025 |
| 41440 | FERRILL | Grayson County, TX | Oil & Gas Property | Dec 2025 |
| 41441 | FERRINI | Monterey County, CA | Oil & Gas Property | Dec 2025 |
| 41442 | FERRIS | Carbon County, WY | Oil & Gas Property | Nov 2024 |
| 41443 | FERRIS | Texas County, OK | Oil & Gas Property | Dec 2025 |
| 41444 | FERRIS | Mercer County, PA | Gas Property | Dec 2025 |
| 41445 | FERRIS-SALEM | Stafford County, KS | Oil Property | Aug 2025 |
| 41446 | FERRON | Emery County, UT | Gas Property | Jul 2024 |
| 41447 | FERRON | Emery County, UT | Oil & Gas Property | Jan 2026 |
| 41448 | FERRY SARAH E | Atascosa County, TX | Oil & Gas Property | Dec 2025 |
| 41449 | FERTIG | Kearny County, KS | Gas Property | Sep 2025 |
| 41450 | FERTIG | Pawnee County, KS | Oil Property | Aug 2025 |
| 41451 | FERTIG | Pawnee County, KS | Oil Property | Sep 2025 |
| 41452 | FERTIG & FROST | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 41453 | FERTILE | Mountrail County, ND | Oil & Gas Property | Jan 2026 |
| 41454 | FERTSCH | Karnes County, TX | Oil & Gas Property | Dec 2025 |
| 41455 | FERVER | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 41456 | FESLER | Comanche County, OK | Oil Property | Apr 2025 |
| 41457 | FESLER | Graham County, KS | Oil Property | Sep 2025 |
| 41458 | FESLER | Reno County, KS | Oil & Gas Property | Sep 2025 |
| 41459 | FESLER | Chautauqua County, KS | Oil Property | Jun 1995 |
| 41460 | FESPERMAN | Le Flore County, OK | Gas Property | Dec 2025 |
| 41461 | FESSEL | Gladwin County, MI | Oil Property | Dec 2025 |
| 41462 | FESSENBECK | Cleveland County, OK | Oil & Gas Property | Jul 2014 |
| 41463 | FESTER | Kay County, OK | Oil Property | Dec 2024 |
| 41464 | FESTUS 648-661 | Yoakum County, TX | Oil & Gas Property | Dec 2025 |
| 41465 | FETCHEN | Allegheny County, PA | Gas Property | Jan 2026 |
| 41466 | FETSCH | Knox County, TX | Oil & Gas Property | Jan 2024 |
| 41467 | FETTE | Cooke County, TX | Oil & Gas Property | Dec 2025 |
| 41468 | FETTERMAN | Indiana County, PA | Gas Property | Dec 2025 |
| 41469 | FETTERS | Mesa County, CO | Gas Property | Jan 2016 |
| 41470 | FETTERS | Ashtabula County, OH | Oil & Gas Property | Dec 2024 |
| 41471 | FETTIG | Dunn County, ND | Oil & Gas Property | Jan 2026 |
| 41472 | FETTIG 6-7H | Dunn County, ND | Oil & Gas Property | Jan 2026 |
| 41473 | FETZER | Wayne County, OH | Oil & Gas Property | Dec 2025 |
| 41474 | FEUERBORN | Linn County, KS | Oil Property | Sep 2024 |
| 41475 | FEUERSTEIN | Weld County, CO | Oil & Gas Property | Oct 2019 |
| 41476 | FEUILLE | San Juan County, NM | Oil & Gas Property | Jan 2026 |
| 41477 | FEUILLE | San Juan County, NM | Oil & Gas Property | Jan 2026 |
| 41478 | FEUILLE A | San Juan County, NM | Oil & Gas Property | Jan 2026 |
| 41479 | FEUQUAY | Lincoln County, OK | Oil & Gas Property | Nov 2025 |
| 41480 | FEUSNER | Bradford County, PA | Gas Property | Jan 2026 |
| 41481 | FEUSNER 03 0 | Bradford County, PA | Gas Property | Jan 2026 |
| 41482 | FEW 16 21 FEDERAL STATE COM P41 | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 41483 | FEWEL | Okmulgee County, OK | Oil Property | Nov 2025 |
| 41484 | FEY 1 | Toole County, MT | Oil Property | Dec 2025 |
| 41485 | FEY A | Toole County, MT | Oil & Gas Property | Dec 2025 |
| 41486 | FEY G( | Toole County, MT | Gas Property | Dec 2025 |
| 41487 | FEZ FEDERAL COM | Lea County, NM | Oil & Gas Property | Jan 2026 |
| 41488 | FEZZIK | Howard County, TX | Oil & Gas Property | Dec 2025 |
| 41489 | FFU 1 | Madison County, MS | Oil & Gas Property | Jun 2024 |
| 41490 | FFU 2 | Madison County, MS | Oil & Gas Property | Sep 2025 |
| 41491 | FFU 3 | Madison County, MS | Oil Property | Dec 2000 |
| 41492 | FGR UNIT 27 | Howard County, TX | Oil & Gas Property | Dec 2025 |
| 41493 | FHA 22 | Yuma County, CO | Gas Property | Jan 2026 |
| 41494 | FHS UNIT | Mitchell County, TX | Oil & Gas Property | Dec 2025 |
| 41495 | FIBONACCI A-F15 15S-10-0 | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 41496 | FICB | Amite County, MS | Oil & Gas Property | Nov 2025 |
| 41497 | FICK | Bay County, MI | Oil Property | Aug 2024 |
| 41498 | FICK C. O | Burleson County, TX | Oil & Gas Property | May 2025 |
| 41499 | FICK-EMERSON | Bay County, MI | Oil Property | Mar 2020 |
| 41500 | FICKEL | Beaver County, OK | Oil & Gas Property | Dec 2025 |