| 41501 | FLATNESS | Bowman County, ND | Oil & Gas Property | Apr 2026 |
| 41502 | FLATO | Kleberg County, TX | Oil & Gas Property | Mar 2026 |
| 41503 | FLATONIA EAST UNIT | Fayette County, TX | Oil & Gas Property | Mar 2026 |
| 41504 | FLATONIA SW | Fayette County, TX | Oil & Gas Property | Mar 2026 |
| 41505 | FLATROCK FARMS 10-14 | Van Buren County, AR | Gas Property | Jul 2024 |
| 41506 | FLATT | Pontotoc County, OK | Oil Property | Nov 2025 |
| 41507 | FLAUTT | Perry County, OH | Oil & Gas Property | Dec 2018 |
| 41508 | FLAX | Gove County, KS | Oil Property | Dec 2025 |
| 41509 | FLAX | Ellis County, KS | Oil Property | Jan 2026 |
| 41510 | FLAX 1 | Trego County, KS | Oil Property | Sep 2023 |
| 41511 | FLAX B | Trego County, KS | Oil Property | Dec 2025 |
| 41512 | FLB HUGHES | Bowman County, ND | Oil & Gas Property | Apr 2026 |
| 41513 | FLEA FLICKER | Loving County, TX | Oil & Gas Property | Mar 2026 |
| 41514 | FLEABAG 44-53 B UNIT | Howard County, TX | Oil & Gas Property | Mar 2026 |
| 41515 | FLEAGANE | Belmont County, OH | Gas Property | Mar 2026 |
| 41516 | FLECHS | Okmulgee County, OK | Oil Property | Apr 1995 |
| 41517 | FLECK | Fayette County, TX | Oil & Gas Property | Mar 2026 |
| 41518 | FLECK 1 | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 41519 | FLECK 150 | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 41520 | FLEECE | Wise County, TX | Oil & Gas Property | Mar 2026 |
| 41521 | FLEEGER 2 UNIT | Butler County, PA | Gas Property | Mar 2026 |
| 41522 | FLEEGER UNIT | Butler County, PA | Gas Property | Mar 2026 |
| 41523 | FLEEMAN | Washington County, OH | Oil & Gas Property | Dec 2025 |
| 41524 | FLEEMAN | Howard County, TX | Oil & Gas Property | Mar 2026 |
| 41525 | FLEEMAN NICKS LAND & CATTLE CO | Wilson County, TX | Oil & Gas Property | Mar 2026 |
| 41526 | FLEENOR | Kingfisher County, OK | Oil & Gas Property | Feb 2019 |
| 41527 | FLEENOR | Latimer County, OK | Gas Property | Mar 2026 |
| 41528 | FLEENOR | Blaine County, OK | Oil & Gas Property | Mar 2026 |
| 41529 | FLEET | Seminole County, OK | Oil Property | Mar 2026 |
| 41530 | FLEET | Johnson County, TX | Oil & Gas Property | Feb 2026 |
| 41531 | FLEET | Seminole County, OK | Oil Property | Mar 2026 |
| 41532 | FLEET | Hughes County, OK | Gas Property | Sep 2017 |
| 41533 | FLEET ADMIRAL 21-16-10-11 | Caddo County, OK | Oil & Gas Property | Apr 2026 |
| 41534 | FLEET MILLER | Amite County, MS | Oil & Gas Property | Jan 2017 |
| 41535 | FLEET UNIT | Tarrant County, TX | Gas Property | Mar 2026 |
| 41536 | FLEETWING | Johnson County, WY | Gas Property | Dec 2019 |
| 41537 | FLEETWOOD | Stephens County, OK | Oil & Gas Property | Mar 2026 |
| 41538 | FLEETWOOD | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 41539 | FLEETWOOD 36 25 | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 41540 | FLEETWOOD UNIT | Karnes County, TX | Oil & Gas Property | Mar 2026 |
| 41541 | FLEGG | Rooks County, KS | Oil Property | Feb 2026 |
| 41542 | FLEGLER | Russell County, KS | Oil Property | Feb 2026 |
| 41543 | FLEISCHMAN 44-71-14B-23 | Campbell County, WY | Oil & Gas Property | Apr 2026 |
| 41544 | FLEISHACKER | Kern County, CA | Oil Property | Dec 2002 |
| 41545 | FLEISHAKER | Montague County, TX | Oil & Gas Property | Mar 2026 |
| 41546 | FLEISHAUER | Kern County, CA | Oil & Gas Property | Jun 1986 |
| 41547 | FLEISHER | Santa Barbara County, CA | Oil & Gas Property | Feb 2024 |
| 41548 | FLEISHER | Chautauqua County, KS | Oil Property | Oct 2025 |
| 41549 | FLEITMAN | Cooke County, TX | Oil & Gas Property | Mar 2026 |
| 41550 | FLEITMAN | Cooke County, TX | Oil & Gas Property | Mar 2026 |
| 41551 | FLEITMAN | Cooke County, TX | Oil & Gas Property | Jan 2026 |
| 41552 | FLEMING | Martin County, TX | Oil & Gas Property | Mar 2025 |
| 41553 | FLEMING | Indiana County, PA | Gas Property | Dec 2025 |
| 41554 | FLEMING | Pleasants County, WV | Oil & Gas Property | Dec 2021 |
| 41555 | FLEMING | Greenwood County, KS | Oil Property | Jan 2026 |
| 41556 | FLEMING | Armstrong County, PA | Gas Property | Dec 2025 |
| 41557 | FLEMING | Kern County, CA | Oil Property | Dec 2012 |
| 41558 | FLEMING | Columbiana County, OH | Oil & Gas Property | Dec 2025 |
| 41559 | FLEMING | Clay County, TX | Oil & Gas Property | Sep 1996 |
| 41560 | FLEMING | Pontotoc County, OK | Oil & Gas Property | Mar 2026 |
| 41561 | FLEMING | Ritchie County, WV | Gas Property | Dec 2021 |
| 41562 | FLEMING | Franklin County, KS | Oil Property | Feb 2026 |
| 41563 | FLEMING | Ellis County, OK | Oil & Gas Property | Mar 2026 |
| 41564 | FLEMING | Washington County, OH | Oil & Gas Property | Dec 2020 |
| 41565 | FLEMING | Licking County, OH | Oil Property | Dec 2006 |
| 41566 | FLEMING | Archer County, TX | Oil Property | Feb 2016 |
| 41567 | FLEMING | Oklahoma County, OK | Oil & Gas Property | Jan 2019 |
| 41568 | FLEMING | Panola County, TX | Oil & Gas Property | Mar 2026 |
| 41569 | FLEMING | Pawnee County, OK | Oil Property | Apr 2026 |
| 41570 | FLEMING | Montgomery County, KS | Oil & Gas Property | Feb 2026 |
| 41571 | FLEMING | Navarro County, TX | Oil & Gas Property | Mar 2026 |
| 41572 | FLEMING | Athens County, OH | Oil & Gas Property | Dec 2025 |
| 41573 | FLEMING | Conway County, AR | Gas Property | Jul 2024 |
| 41574 | FLEMING | Pottawatomie County, OK | Oil & Gas Property | Mar 2026 |
| 41575 | FLEMING | Finney County, KS | Gas Property | Feb 2026 |
| 41576 | FLEMING | Andrews County, TX | Oil & Gas Property | Mar 2026 |
| 41577 | FLEMING | Okfuskee County, OK | Oil & Gas Property | May 2020 |
| 41578 | FLEMING | Harper County, KS | Oil & Gas Property | Feb 2026 |
| 41579 | FLEMING | Muskingum County, OH | Oil Property | Dec 1998 |
| 41580 | FLEMING 13 | Reeves County, TX | Oil & Gas Property | Mar 2026 |
| 41581 | FLEMING BROTHERS | Clay County, TX | Oil & Gas Property | Mar 2026 |
| 41582 | FLEMING ESTATE | Warren County, PA | Gas Property | Dec 2025 |
| 41583 | FLEMING HARRY | Meigs County, OH | Oil & Gas Property | Dec 2023 |
| 41584 | FLEMING PLANT | Jefferson Parish, LA | Oil & Gas Property | Dec 2023 |
| 41585 | FLEMING TRUST | Johnson County, TX | Gas Property | Feb 2026 |
| 41586 | FLEMING VIRGIL | Panola County, TX | Oil & Gas Property | Jun 2021 |
| 41587 | FLEMING, BOBBY & BETTY 2 | Mingo County, WV | Gas Property | Dec 2021 |
| 41588 | FLEMING, KENNETH | Harrison County, WV | Oil & Gas Property | Dec 2021 |
| 41589 | FLEMING, SHELLIE | Muhlenberg County, KY | Oil Property | Mar 2020 |
| 41590 | FLEMISTER JULIA GAS UNIT | Gregg County, TX | Oil & Gas Property | Mar 2026 |
| 41591 | FLEMMING | Cheyenne County, KS | Oil Property | Feb 2026 |
| 41592 | FLEMMING STATE | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 41593 | FLENCHER | Burleson County, TX | Oil & Gas Property | Feb 2026 |
| 41594 | FLENCHER 'E' | Burleson County, TX | Oil & Gas Property | Feb 2026 |
| 41595 | FLENDERSON | Howard County, TX | Oil & Gas Property | Mar 2026 |
| 41596 | FLENNIKEN | Marshall County, OK | Oil & Gas Property | Mar 2026 |
| 41597 | FLESCH | Toole County, MT | Oil & Gas Property | Apr 2026 |
| 41598 | FLESCH | Toole County, MT | Oil & Gas Property | Apr 2026 |
| 41599 | FLESHER | Lewis County, WV | Oil & Gas Property | Dec 2021 |
| 41600 | FLESHER | Gilmer County, WV | Oil & Gas Property | Dec 2021 |