| 40501 | FELIX 9-16-21-28 | Roosevelt County, MT | Oil & Gas Property | Apr 2026 |
| 40502 | FELIX CS STATE | Campbell County, WY | Gas Property | Feb 2012 |
| 40503 | FELIX UNIT | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 40504 | FELIX UNIT | Campbell County, WY | Oil & Gas Property | Oct 2025 |
| 40505 | FELIX-SMITH MELLICK SA 1H | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 40506 | FELKEN WRIGHT | Dawson County, TX | Oil & Gas Property | Mar 2026 |
| 40507 | FELKER A | Lipscomb County, TX | Oil & Gas Property | Mar 2026 |
| 40508 | FELL | Clare County, MI | Oil Property | Apr 2026 |
| 40509 | FELL | Carter County, OK | Oil Property | Mar 2026 |
| 40510 | FELL | Okmulgee County, OK | Oil & Gas Property | Mar 2026 |
| 40511 | FELL GAS UNIT | Stanton County, KS | Gas Property | Feb 2026 |
| 40512 | FELLER | Williams County, ND | Oil & Gas Property | Apr 2026 |
| 40513 | FELLER 15-22 #7H | Williams County, ND | Oil & Gas Property | Apr 2026 |
| 40514 | FELLERS | Alfalfa County, OK | Oil & Gas Property | Apr 2026 |
| 40515 | FELLERS | Alfalfa County, OK | Oil & Gas Property | Apr 2026 |
| 40516 | FELLERS | Ellis County, KS | Oil Property | Jan 2026 |
| 40517 | FELLERS R | Parker County, TX | Oil & Gas Property | Dec 2025 |
| 40518 | FELLERS STATE UNIT | Reeves County, TX | Oil & Gas Property | Mar 2026 |
| 40519 | FELLHOELTER | Sheridan County, KS | Oil Property | May 2024 |
| 40520 | FELLOWSHIP | Dallas County, TX | Gas Property | Mar 2026 |
| 40521 | FELLOWSHIP BAPTIST CHURCH 1 | Mingo County, WV | Gas Property | Dec 2021 |
| 40522 | FELMONT FED | Lea County, NM | Oil & Gas Property | Apr 2026 |
| 40523 | FELPS | Zavala County, TX | Oil & Gas Property | Mar 2026 |
| 40524 | FELT | Wichita County, KS | Oil Property | Jan 2026 |
| 40525 | FELTER | Bradford County, PA | Gas Property | Mar 2026 |
| 40526 | FELTES | Barton County, KS | Oil Property | Feb 2026 |
| 40527 | FELTES | Barton County, KS | Oil Property | Feb 2026 |
| 40528 | FELTES | Barton County, KS | Oil Property | Dec 2025 |
| 40529 | FELTNER | Greenwood County, KS | Oil Property | Jun 2000 |
| 40530 | FELTON | Caddo County, OK | Oil Property | May 2024 |
| 40531 | FELTON | Cowley County, KS | Oil Property | Feb 2026 |
| 40532 | FELTON | Lea County, NM | Oil & Gas Property | Dec 2018 |
| 40533 | FELTS | Shackelford County, TX | Oil & Gas Property | Mar 2026 |
| 40534 | FELTY, GEORGE | Clay County, KY | Gas Property | Dec 2024 |
| 40535 | FELTZ | Hartley County, TX | Gas Property | Mar 2026 |
| 40536 | FELUMLEE | Licking County, OH | Oil & Gas Property | Dec 2025 |
| 40537 | FELUMLEE RALPH | Licking County, OH | Oil Property | Dec 2008 |
| 40538 | FELUX | Wilson County, TX | Oil & Gas Property | Mar 2026 |
| 40539 | FENCE C | Grand County, UT | Oil & Gas Property | Apr 2026 |
| 40540 | FENCE CREEK | Campbell County, WY | Oil & Gas Property | Feb 2018 |
| 40541 | FENCE LINE FED | Duchesne County, UT | Oil & Gas Property | Aug 2013 |
| 40542 | FENCELINE FED | Duchesne County, UT | Oil & Gas Property | Apr 2026 |
| 40543 | FENDER | Smith County, TX | Oil & Gas Property | May 2024 |
| 40544 | FENDER | Panola County, TX | Oil & Gas Property | Mar 2026 |
| 40545 | FENDER | Coshocton County, OH | Oil & Gas Property | Dec 2023 |
| 40546 | FENDER | Lincoln County, OK | Oil & Gas Property | Oct 2024 |
| 40547 | FENDER | Howard County, TX | Oil & Gas Property | Mar 2026 |
| 40548 | FENDER 05 | Howard County, TX | Oil & Gas Property | Mar 2026 |
| 40549 | FENDLEY | Ector County, TX | Oil & Gas Property | Mar 2026 |
| 40550 | FENLAW MACK GAS UNIT 1 | Upshur County, TX | Oil & Gas Property | Mar 2026 |
| 40551 | FENLEY | Angelina County, TX | Oil & Gas Property | Aug 2024 |
| 40552 | FENN 1 | Amite County, MS | Oil & Gas Property | May 1987 |
| 40553 | FENN M | Gregg County, TX | Oil & Gas Property | Mar 2026 |
| 40554 | FENN RANCH | Lee County, TX | Oil & Gas Property | Mar 2026 |
| 40555 | FENNA BRUINS | Toole County, MT | Oil Property | Apr 2026 |
| 40556 | FENNEC 149-93-10B-15H | Dunn County, ND | Oil & Gas Property | Apr 2026 |
| 40557 | FENNEL | Montague County, TX | Oil & Gas Property | Mar 2026 |
| 40558 | FENNELL | Runnels County, TX | Oil & Gas Property | Mar 2026 |
| 40559 | FENNER | Jackson County, TX | Oil & Gas Property | May 2025 |
| 40560 | FENNER | Duval County, TX | Oil Property | Mar 2026 |
| 40561 | FENOGLIO | Montague County, TX | Oil & Gas Property | Mar 2026 |
| 40562 | FENOGLIO | Montague County, TX | Oil & Gas Property | Mar 2018 |
| 40563 | FENRIR UNIT A 10-03 | Borden County, TX | Oil & Gas Property | Mar 2026 |
| 40564 | FENSKE | Ottawa County, MI | Oil Property | Aug 2025 |
| 40565 | FENSTER | Divide County, ND | Oil & Gas Property | Apr 2026 |
| 40566 | FENSTER C | Sedgwick County, KS | Oil Property | Feb 2026 |
| 40567 | FENSTERMAKER | Jefferson County, PA | Gas Property | Dec 2025 |
| 40568 | FENTON | Woodward County, OK | Oil & Gas Property | Apr 2026 |
| 40569 | FENTON | Upshur County, TX | Oil & Gas Property | Mar 2026 |
| 40570 | FENTON | Haskell County, OK | Gas Property | Mar 2026 |
| 40571 | FENTON | Westmoreland County, PA | Gas Property | Dec 2025 |
| 40572 | FENTON | Mercer County, PA | Oil & Gas Property | Dec 2025 |
| 40573 | FENTON | Gregg County, TX | Oil & Gas Property | Aug 2015 |
| 40574 | FENTON 7 FEDERAL | Eddy County, NM | Oil & Gas Property | Oct 2017 |
| 40575 | FENTON BRO | Muskingum County, OH | Oil & Gas Property | Dec 2017 |
| 40576 | FENTON FEDERAL 11X-20 | Dunn County, ND | Oil & Gas Property | Apr 2026 |
| 40577 | FENTON H. GAS UNIT | Upshur County, TX | Oil & Gas Property | Mar 2026 |
| 40578 | FENTON R | Mercer County, PA | Oil & Gas Property | Dec 2025 |
| 40579 | FENWAY UNIT 141-140W | Reeves County, TX | Oil & Gas Property | Mar 2026 |
| 40580 | FENWICK | Union County, KY | Oil Property | Dec 2023 |
| 40581 | FENWICK | Pawnee County, KS | Oil Property | Feb 2026 |
| 40582 | FENWICK 10-3 | Martin County, TX | Oil & Gas Property | Mar 2026 |
| 40583 | FERDA | Grant County, OK | Oil & Gas Property | Mar 2021 |
| 40584 | FERDINAND | Lincoln County, WY | Oil & Gas Property | Mar 2026 |
| 40585 | FERDINAND 14-24TFH | Dunn County, ND | Oil & Gas Property | Apr 2026 |
| 40586 | FERDINAND UNIT | Atascosa County, TX | Oil & Gas Property | Mar 2026 |
| 40587 | FERENS | Fayette County, PA | Oil & Gas Property | Mar 2026 |
| 40588 | FERGE | Weld County, CO | Oil & Gas Property | Apr 2026 |
| 40589 | FERGUS | Jones County, TX | Oil & Gas Property | Mar 2026 |
| 40590 | FERGUSON | Sterling County, TX | Oil & Gas Property | Mar 2026 |
| 40591 | FERGUSON | Wichita County, TX | Oil & Gas Property | Feb 2026 |
| 40592 | FERGUSON | Comanche County, OK | Oil Property | Jul 2022 |
| 40593 | FERGUSON | Martin County, TX | Oil & Gas Property | Jan 2024 |
| 40594 | FERGUSON | Adams County, CO | Oil & Gas Property | May 2018 |
| 40595 | FERGUSON | Clarion County, PA | Gas Property | Dec 2015 |
| 40596 | FERGUSON | Campbell County, WY | Oil & Gas Property | Nov 2021 |
| 40597 | FERGUSON | Los Angeles County, CA | Oil & Gas Property | Dec 2020 |
| 40598 | FERGUSON | Sheridan County, MT | Oil Property | Apr 2013 |
| 40599 | FERGUSON | Armstrong County, PA | Gas Property | Dec 2025 |
| 40600 | FERGUSON | Jefferson County, OH | Gas Property | Mar 2026 |