| 40501 | FEERER | Ellis County, OK | Oil & Gas Property | Jan 2025 |
| 40502 | FEEVEY | Venango County, PA | Gas Property | Dec 2024 |
| 40503 | FEGAN | Stanton County, KS | Gas Property | Dec 2024 |
| 40504 | FEGAN GAS UNIT 'A' | Stanton County, KS | Gas Property | Dec 2024 |
| 40505 | FEGEL | Dewey County, OK | Oil & Gas Property | Jan 2025 |
| 40506 | FEGLEY | Forest County, PA | Oil & Gas Property | Dec 2024 |
| 40507 | FEHR F | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 40508 | FEHRENBACH | Ness County, KS | Oil Property | Dec 2024 |
| 40509 | FEHRINGER | Logan County, CO | Oil & Gas Property | Dec 2024 |
| 40510 | FEHRN | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 40511 | FEHSE J. J. GU | Johnson County, TX | Gas Property | Jan 2025 |
| 40512 | FEHSEL | Los Angeles County, CA | Oil Property | Nov 2004 |
| 40513 | FEICK, ADAM | Wood County, WV | Oil Property | Dec 2021 |
| 40514 | FEIERTAG | Scott County, KS | Oil Property | Dec 2024 |
| 40515 | FEIERTAG | Stanton County, KS | Oil & Gas Property | Dec 2024 |
| 40516 | FEIERTAG | Haskell County, KS | Gas Property | Dec 2024 |
| 40517 | FEIGHT | Haskell County, KS | Oil & Gas Property | Dec 2024 |
| 40518 | FEIK | Sedgwick County, KS | Oil Property | Sep 2015 |
| 40519 | FEIKERT | Cheyenne County, KS | Gas Property | May 2018 |
| 40520 | FEIKERT | Holmes County, OH | Oil & Gas Property | Dec 2022 |
| 40521 | FEIKERT | Cheyenne County, KS | Gas Property | Dec 2024 |
| 40522 | FEIKERT FARMS | Ford County, KS | Oil & Gas Property | Dec 2024 |
| 40523 | FEIL FEDERAL | Eddy County, NM | Oil & Gas Property | Feb 2025 |
| 40524 | FEINBERG | La Plata County, CO | Gas Property | Feb 2025 |
| 40525 | FEIRING STATE 31X-16 | Mountrail County, ND | Oil & Gas Property | Feb 2025 |
| 40526 | FEIST | Barton County, KS | Oil Property | Jun 2024 |
| 40527 | FEIST | Bossier Parish, LA | Gas Property | Nov 2024 |
| 40528 | FEIST | Rice County, KS | Oil Property | Dec 2024 |
| 40529 | FEIST | Caddo Parish, LA | Oil & Gas Property | Dec 2024 |
| 40530 | FEIST 2 | Caddo Parish, LA | Oil & Gas Property | Dec 2024 |
| 40531 | FEIT | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 40532 | FEITZ | Ellis County, KS | Oil Property | Dec 2024 |
| 40533 | FEKEN | Noble County, OK | Oil & Gas Property | Jan 2025 |
| 40534 | FELBER | Garfield County, OK | Oil & Gas Property | Feb 2025 |
| 40535 | FELD | Westmoreland County, PA | Gas Property | Dec 2024 |
| 40536 | FELDER | Ness County, KS | Oil Property | Dec 2024 |
| 40537 | FELDER | Blaine County, OK | Oil & Gas Property | Jan 2025 |
| 40538 | FELDERHOFF | Jack County, TX | Oil & Gas Property | Jan 2025 |
| 40539 | FELDERHOFF | Cooke County, TX | Oil & Gas Property | Jul 1996 |
| 40540 | FELDERHOFF | Cooke County, TX | Oil & Gas Property | Jan 2025 |
| 40541 | FELDERHOFF | Cooke County, TX | Oil & Gas Property | Jan 2025 |
| 40542 | FELDICK | Haskell County, OK | Gas Property | Jan 2025 |
| 40543 | FELDKAMP | Ellis County, KS | Oil Property | Oct 2024 |
| 40544 | FELDMAN | Ward County, TX | Oil & Gas Property | Dec 2016 |
| 40545 | FELDMAN | Rice County, KS | Oil Property | Jul 2024 |
| 40546 | FELDMAN | Midland County, TX | Oil & Gas Property | Jan 2025 |
| 40547 | FELDMAN | Loving County, TX | Oil & Gas Property | Jan 2025 |
| 40548 | FELDMAN | Wilbarger County, TX | Oil & Gas Property | Feb 2024 |
| 40549 | FELDMAN D. D | Hardin County, TX | Oil & Gas Property | Jan 2025 |
| 40550 | FELDMAN D. D | Wichita County, TX | Oil & Gas Property | Jan 2025 |
| 40551 | FELDMAN D.D. UNIT | Hemphill County, TX | Oil & Gas Property | Jan 2025 |
| 40552 | FELDNER | Noble County, OH | Oil & Gas Property | Dec 2008 |
| 40553 | FELICE | Meade County, KS | Oil & Gas Property | Dec 2024 |
| 40554 | FELICIDAD | Zapata County, TX | Oil & Gas Property | Dec 2024 |
| 40555 | FELINA FEE | Lea County, NM | Oil & Gas Property | Feb 2025 |
| 40556 | FELISA VALDEZ | Medina County, TX | Oil & Gas Property | Jan 2025 |
| 40557 | FELIX | Campbell County, WY | Gas Property | Jan 2025 |
| 40558 | FELIX | Kings County, CA | Oil & Gas Property | Dec 1997 |
| 40559 | FELIX | Gray County, TX | Oil & Gas Property | Jan 2025 |
| 40560 | FELIX 9-16-21-28 | Roosevelt County, MT | Oil & Gas Property | Feb 2025 |
| 40561 | FELIX CS STATE | Campbell County, WY | Gas Property | Feb 2012 |
| 40562 | FELIX UNIT | Karnes County, TX | Oil & Gas Property | Jan 2025 |
| 40563 | FELIX UNIT | Campbell County, WY | Oil & Gas Property | Apr 2024 |
| 40564 | FELKEN WRIGHT | Dawson County, TX | Oil & Gas Property | Dec 2024 |
| 40565 | FELKER A | Lipscomb County, TX | Oil & Gas Property | Jan 2025 |
| 40566 | FELL | Clare County, MI | Oil Property | Sep 2024 |
| 40567 | FELL | Carter County, OK | Oil Property | Oct 2024 |
| 40568 | FELL | Okmulgee County, OK | Oil & Gas Property | Jan 2025 |
| 40569 | FELL GAS UNIT | Stanton County, KS | Gas Property | Dec 2024 |
| 40570 | FELLER | Williams County, ND | Oil & Gas Property | Feb 2025 |
| 40571 | FELLER 15-22 #7H | Williams County, ND | Oil & Gas Property | Feb 2025 |
| 40572 | FELLERS | Alfalfa County, OK | Oil & Gas Property | Jan 2025 |
| 40573 | FELLERS | Alfalfa County, OK | Oil & Gas Property | Feb 2025 |
| 40574 | FELLERS | Ellis County, KS | Oil Property | Nov 2024 |
| 40575 | FELLERS FARMS 36-28-12 1H | Alfalfa County, OK | Oil & Gas Property | Jan 2025 |
| 40576 | FELLERS R | Parker County, TX | Oil & Gas Property | Jan 2025 |
| 40577 | FELLERS STATE UNIT | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 40578 | FELLHOELTER | Sheridan County, KS | Oil Property | May 2024 |
| 40579 | FELLOWSHIP | Dallas County, TX | Gas Property | Jan 2025 |
| 40580 | FELLOWSHIP BAPTIST CHURCH 1 | Mingo County, WV | Gas Property | Dec 2021 |
| 40581 | FELMONT FED | Lea County, NM | Oil & Gas Property | Feb 2025 |
| 40582 | FELPS | Zavala County, TX | Oil & Gas Property | Jan 2025 |
| 40583 | FELT | Wichita County, KS | Oil Property | Nov 2024 |
| 40584 | FELTER | Bradford County, PA | Gas Property | Feb 2025 |
| 40585 | FELTES | Barton County, KS | Oil Property | Dec 2024 |
| 40586 | FELTES | Barton County, KS | Oil Property | Dec 2024 |
| 40587 | FELTES | Barton County, KS | Oil Property | Dec 2024 |
| 40588 | FELTON | Caddo County, OK | Oil Property | May 2024 |
| 40589 | FELTON | Cowley County, KS | Oil Property | Dec 2024 |
| 40590 | FELTON | Lea County, NM | Oil & Gas Property | Feb 2019 |
| 40591 | FELTS | Shackelford County, TX | Oil & Gas Property | Jan 2025 |
| 40592 | FELTY, GEORGE | Clay County, KY | Gas Property | Dec 2023 |
| 40593 | FELTZ | Hartley County, TX | Gas Property | Jan 2025 |
| 40594 | FELUMLEE | Licking County, OH | Oil & Gas Property | Dec 2024 |
| 40595 | FELUMLEE RALPH | Licking County, OH | Oil Property | Dec 2008 |
| 40596 | FENCE C | Grand County, UT | Oil & Gas Property | Feb 2025 |
| 40597 | FENCE CREEK | Campbell County, WY | Oil & Gas Property | Feb 2018 |
| 40598 | FENCE LINE FED | Duchesne County, UT | Oil & Gas Property | Aug 2013 |
| 40599 | FENCELINE FED | Duchesne County, UT | Oil & Gas Property | Feb 2025 |
| 40600 | FENDER | Smith County, TX | Oil & Gas Property | Oct 2024 |