| 43501 | FORT STOCKTON | Pecos County, TX | Oil & Gas Property | Nov 2025 |
| 43502 | FORT STOCKTON-DIXEL RESOURCES | Pecos County, TX | Oil & Gas Property | Nov 2025 |
| 43503 | FORT TRINIDAD DEXTER UNIT | Houston County, TX | Oil & Gas Property | Oct 2025 |
| 43504 | FORT WORTH | Wichita County, TX | Oil Property | May 2025 |
| 43505 | FORT WORTH 1 | Duchesne County, UT | Oil & Gas Property | Nov 2025 |
| 43506 | FORT WORTH 22 | Howard County, TX | Oil & Gas Property | Oct 2025 |
| 43507 | FORT WORTH NAT | Dewitt County, TX | Oil & Gas Property | Aug 2022 |
| 43508 | FORTENBERRY | Dawson County, TX | Oil & Gas Property | Nov 2025 |
| 43509 | FORTENBERRY | Wise County, TX | Oil & Gas Property | Nov 2025 |
| 43510 | FORTENBERRY | Walthall County, MS | Oil & Gas Property | Dec 2011 |
| 43511 | FORTERRA | Otsego County, MI | Oil Property | Mar 1992 |
| 43512 | FORTHUN 2-1 | McKenzie County, ND | Oil & Gas Property | Dec 2025 |
| 43513 | FORTIER | Divide County, ND | Oil & Gas Property | Nov 2025 |
| 43514 | FORTIFICATION | Burke County, ND | Oil & Gas Property | Dec 2025 |
| 43515 | FORTIN | Park County, WY | Oil & Gas Property | Oct 2025 |
| 43516 | FORTNER | Stephens County, OK | Oil & Gas Property | Nov 2025 |
| 43517 | FORTNER | Montgomery County, KS | Gas Property | Sep 2025 |
| 43518 | FORTNER HATTIE ET AL | Guadalupe County, TX | Oil & Gas Property | Sep 2025 |
| 43519 | FORTNER, MARIE | Lawrence County, KY | Oil & Gas Property | Dec 2018 |
| 43520 | FORTNEY | Palo Pinto County, TX | Gas Property | Apr 2025 |
| 43521 | FORTRESS | Martin County, TX | Oil & Gas Property | Nov 2025 |
| 43522 | FORTRESS OF SOLITUDE 16-9-4 | Howard County, TX | Oil & Gas Property | Nov 2025 |
| 43523 | FORTRESS STATE UNIT | Culberson County, TX | Oil & Gas Property | Nov 2025 |
| 43524 | FORTSON | Leon County, TX | Oil & Gas Property | Sep 2016 |
| 43525 | FORTSON | Ward County, TX | Oil & Gas Property | Oct 2025 |
| 43526 | FORTSON | Limestone County, TX | Oil & Gas Property | Nov 2025 |
| 43527 | FORTSON | Red River Parish, LA | Oil & Gas Property | Dec 2024 |
| 43528 | FORTSON | Ochiltree County, TX | Oil & Gas Property | Nov 2025 |
| 43529 | FORTSON | Pecos County, TX | Oil & Gas Property | Nov 2025 |
| 43530 | FORTSON GAS UNIT | Ward County, TX | Oil & Gas Property | Nov 2025 |
| 43531 | FORTUNA | Andrews County, TX | Oil & Gas Property | Nov 2025 |
| 43532 | FORTUNA | Humboldt County, CA | Gas Property | Nov 2025 |
| 43533 | FORTUNA | Summit County, OH | Oil & Gas Property | Dec 2017 |
| 43534 | FORTUNE | Reeves County, TX | Oil & Gas Property | Oct 2025 |
| 43535 | FORTUNE | Major County, OK | Oil & Gas Property | Nov 2025 |
| 43536 | FORTUNE | Martin County, TX | Oil & Gas Property | Nov 2025 |
| 43537 | FORTUNE | Major County, OK | Oil & Gas Property | Oct 2025 |
| 43538 | FORTUNE 500 | Ector County, TX | Oil & Gas Property | Nov 2025 |
| 43539 | FORTY NINER RIDGE | Eddy County, NM | Oil & Gas Property | Nov 2025 |
| 43540 | FORTY NINER RIDGE UNIT COM 135H | Eddy County, NM | Oil & Gas Property | Nov 2025 |
| 43541 | FORWARD | Stevens County, KS | Gas Property | Sep 2025 |
| 43542 | FORWARD | Wichita County, TX | Oil & Gas Property | Nov 2025 |
| 43543 | FORWARD 'A' | Morton County, KS | Oil & Gas Property | Sep 2025 |
| 43544 | FORWOOD E | Susquehanna County, PA | Gas Property | Nov 2025 |
| 43545 | FORWOODSON | Latimer County, OK | Gas Property | Oct 2025 |
| 43546 | FOSBERG | Chautauqua County, NY | Oil & Gas Property | Dec 2024 |
| 43547 | FOSHEE | Nacogdoches County, TX | Oil & Gas Property | Nov 2025 |
| 43548 | FOSHEE 07-15 | Conway County, AR | Gas Property | Jul 2024 |
| 43549 | FOSHEE GAS UNIT | Nacogdoches County, TX | Oil & Gas Property | Sep 2019 |
| 43550 | FOSNAUGHT | Stark County, OH | Oil & Gas Property | Dec 2024 |
| 43551 | FOSNIGHT CS | Campbell County, WY | Gas Property | Jul 2015 |
| 43552 | FOSNOT | Marion County, KS | Oil & Gas Property | Aug 2025 |
| 43553 | FOSS | Erie County, NY | Gas Property | Dec 2024 |
| 43554 | FOSS | Weld County, CO | Oil & Gas Property | Apr 2021 |
| 43555 | FOSS | Erie County, NY | Gas Property | Dec 2024 |
| 43556 | FOSS 24-11TFH | Dunn County, ND | Oil & Gas Property | Dec 2025 |
| 43557 | FOSS FAMILY TRUST 15-23H | Williams County, ND | Oil & Gas Property | Nov 2025 |
| 43558 | FOSS RANCH 1-34H | Richland County, MT | Oil & Gas Property | Nov 2025 |
| 43559 | FOSS USX AA | Weld County, CO | Oil & Gas Property | Mar 2017 |
| 43560 | FOSSET GULCH | Archuleta County, CO | Gas Property | Nov 2025 |
| 43561 | FOSSETT 1 | Caddo County, OK | Oil & Gas Property | Oct 2025 |
| 43562 | FOSSIL | Natrona County, WY | Oil & Gas Property | Mar 2019 |
| 43563 | FOSSIL | Leon County, TX | Oil & Gas Property | Nov 2025 |
| 43564 | FOSSIL BELIN GAS UNIT | Leon County, TX | Oil & Gas Property | Nov 2025 |
| 43565 | FOSSIL CREEK RWF | Garfield County, CO | Oil & Gas Property | Oct 2025 |
| 43566 | FOSSIL DONELSON GAS UNIT #1 | Leon County, TX | Oil & Gas Property | Nov 2025 |
| 43567 | FOSSIL FEDERAL | San Miguel County, CO | Oil & Gas Property | Dec 2024 |
| 43568 | FOSSIL HILL | Tarrant County, TX | Oil & Gas Property | Nov 2025 |
| 43569 | FOSSIL JOHN PARKER | Robertson County, TX | Oil & Gas Property | Nov 2025 |
| 43570 | FOSSIL LONE OAK RANCH | Leon County, TX | Oil & Gas Property | Nov 2025 |
| 43571 | FOSSIL RIDGE | Tarrant County, TX | Gas Property | Nov 2025 |
| 43572 | FOSSIL STREATER GAS UNIT NO. 1 1 | Leon County, TX | Oil & Gas Property | Nov 2025 |
| 43573 | FOSSIL WAGNER GAS UNIT #1 1 | Leon County, TX | Oil & Gas Property | Nov 2025 |
| 43574 | FOSSIL WILDMAN | Leon County, TX | Oil & Gas Property | Nov 2025 |
| 43575 | FOSSUM | McKenzie County, ND | Oil & Gas Property | Nov 2025 |
| 43576 | FOSSUM | Bottineau County, ND | Oil & Gas Property | Nov 2025 |
| 43577 | FOSTER | Pawnee County, OK | Oil & Gas Property | Nov 2025 |
| 43578 | FOSTER | San Juan County, NM | Gas Property | Nov 2025 |
| 43579 | FOSTER | Kearny County, KS | Oil & Gas Property | Sep 2025 |
| 43580 | FOSTER | Noble County, OK | Gas Property | Oct 2025 |
| 43581 | FOSTER | Hughes County, OK | Oil & Gas Property | May 2025 |
| 43582 | FOSTER | Ector County, TX | Oil & Gas Property | Nov 2025 |
| 43583 | FOSTER | San Juan County, NM | Gas Property | Dec 2025 |
| 43584 | FOSTER | Garvin County, OK | Oil & Gas Property | Oct 2025 |
| 43585 | FOSTER | Los Angeles County, CA | Oil & Gas Property | Nov 2025 |
| 43586 | FOSTER | Sterling County, TX | Oil & Gas Property | Jul 2024 |
| 43587 | FOSTER | Lipscomb County, TX | Oil & Gas Property | Nov 2025 |
| 43588 | FOSTER | Harrison County, TX | Oil & Gas Property | Nov 2025 |
| 43589 | FOSTER | Sterling County, TX | Oil & Gas Property | Nov 2025 |
| 43590 | FOSTER | Medina County, TX | Oil & Gas Property | Nov 2025 |
| 43591 | FOSTER | Latimer County, OK | Gas Property | Oct 2025 |
| 43592 | FOSTER | Upshur County, WV | Gas Property | Dec 2021 |
| 43593 | FOSTER | Creek County, OK | Oil & Gas Property | Nov 2025 |
| 43594 | FOSTER | Jones County, TX | Oil & Gas Property | Aug 2023 |
| 43595 | FOSTER | Gaines County, TX | Oil & Gas Property | Nov 2025 |
| 43596 | FOSTER | Stephens County, OK | Oil & Gas Property | Oct 2025 |
| 43597 | FOSTER | Barton County, KS | Oil Property | Aug 2025 |
| 43598 | FOSTER | Yell County, AR | Gas Property | Jun 2024 |
| 43599 | FOSTER | Coshocton County, OH | Oil & Gas Property | Dec 2024 |
| 43600 | FOSTER | Sterling County, TX | Oil & Gas Property | Nov 2025 |