| 42401 | FORT CARRIE | Panola County, TX | Oil & Gas Property | Mar 2026 |
| 42402 | FORT CHADBOURNE ODOM LIME UNIT | Coke County, TX | Oil & Gas Property | Mar 2020 |
| 42403 | FORT CHAFFEE | Sebastian County, AR | Gas Property | Jun 2024 |
| 42404 | FORT CHAFFEE | Sebastian County, AR | Gas Property | Jun 2024 |
| 42405 | FORT CHAFFEE FEDERAL | Sebastian County, AR | Gas Property | May 2024 |
| 42406 | FORT GILBERT | Richland County, MT | Oil & Gas Property | Apr 2026 |
| 42407 | FORT GRIFFIN | Shackelford County, TX | Oil & Gas Property | Mar 2026 |
| 42408 | FORT HAYS STATE | Seward County, KS | Oil Property | May 2008 |
| 42409 | FORT HILL FARMS | Fayette County, PA | Gas Property | Dec 2025 |
| 42410 | FORT KNOX 11-2 | Howard County, TX | Oil & Gas Property | Mar 2026 |
| 42411 | FORT MERRILL | Live Oak County, TX | Oil Property | Feb 2026 |
| 42412 | FORT SAINT VRAIN | Weld County, CO | Oil & Gas Property | Apr 2020 |
| 42413 | FORT SILL | Comanche County, OK | Oil Property | Dec 2025 |
| 42414 | FORT ST VRAIN | Weld County, CO | Oil & Gas Property | Sep 2019 |
| 42415 | FORT STOCKTON | Pecos County, TX | Oil & Gas Property | Mar 2026 |
| 42416 | FORT STOCKTON-DIXEL RESOURCES | Pecos County, TX | Oil & Gas Property | Feb 2026 |
| 42417 | FORT TRINIDAD DEXTER UNIT | Houston County, TX | Oil & Gas Property | Mar 2026 |
| 42418 | FORT WORTH | Wichita County, TX | Oil Property | May 2025 |
| 42419 | FORT WORTH 1 | Duchesne County, UT | Oil & Gas Property | Apr 2026 |
| 42420 | FORT WORTH NAT | Dewitt County, TX | Oil & Gas Property | Aug 2022 |
| 42421 | FORTENBERRY | Dawson County, TX | Oil & Gas Property | Mar 2026 |
| 42422 | FORTENBERRY | Wise County, TX | Oil & Gas Property | Mar 2026 |
| 42423 | FORTENBERRY | Walthall County, MS | Oil & Gas Property | Dec 2011 |
| 42424 | FORTERRA | Otsego County, MI | Oil Property | Mar 1992 |
| 42425 | FORTHUN 2-1 | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 42426 | FORTIER | Divide County, ND | Oil & Gas Property | Apr 2026 |
| 42427 | FORTIFICATION | Burke County, ND | Oil & Gas Property | Apr 2026 |
| 42428 | FORTIN | Park County, WY | Oil & Gas Property | Mar 2026 |
| 42429 | FORTIN | Decatur County, KS | Oil Property | Feb 2026 |
| 42430 | FORTNER | Stephens County, OK | Oil & Gas Property | Apr 2026 |
| 42431 | FORTNER | Montgomery County, KS | Gas Property | Feb 2026 |
| 42432 | FORTNER HATTIE ET AL | Guadalupe County, TX | Oil & Gas Property | Dec 2025 |
| 42433 | FORTNER, MARIE | Lawrence County, KY | Oil & Gas Property | Dec 2024 |
| 42434 | FORTNEY | Palo Pinto County, TX | Gas Property | Apr 2025 |
| 42435 | FORTRESS | Martin County, TX | Oil & Gas Property | Mar 2026 |
| 42436 | FORTRESS 1-25 | Alfalfa County, OK | Oil & Gas Property | Mar 2026 |
| 42437 | FORTRESS OF SOLITUDE 16-9-4 | Howard County, TX | Oil & Gas Property | Mar 2026 |
| 42438 | FORTRESS STATE UNIT | Culberson County, TX | Oil & Gas Property | Mar 2026 |
| 42439 | FORTSON | Ward County, TX | Oil & Gas Property | Mar 2026 |
| 42440 | FORTSON | Limestone County, TX | Oil & Gas Property | Mar 2026 |
| 42441 | FORTSON | Red River Parish, LA | Oil & Gas Property | Dec 2024 |
| 42442 | FORTSON | Ochiltree County, TX | Oil & Gas Property | Mar 2026 |
| 42443 | FORTSON | Pecos County, TX | Oil & Gas Property | Mar 2026 |
| 42444 | FORTSON GAS UNIT | Ward County, TX | Oil & Gas Property | Mar 2026 |
| 42445 | FORTUNA | Andrews County, TX | Oil & Gas Property | Mar 2026 |
| 42446 | FORTUNA | Humboldt County, CA | Gas Property | Mar 2026 |
| 42447 | FORTUNA | Summit County, OH | Oil & Gas Property | Dec 2016 |
| 42448 | FORTUNE | Reeves County, TX | Oil & Gas Property | Jan 2026 |
| 42449 | FORTUNE | Major County, OK | Oil & Gas Property | Mar 2026 |
| 42450 | FORTUNE | Major County, OK | Oil & Gas Property | Mar 2026 |
| 42451 | FORTUNE 500 | Ector County, TX | Oil & Gas Property | Mar 2026 |
| 42452 | FORTY NINER RIDGE | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 42453 | FORTY NINER RIDGE UNIT COM 135H | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 42454 | FORWARD | Stevens County, KS | Gas Property | Feb 2026 |
| 42455 | FORWARD | Wichita County, TX | Oil & Gas Property | Feb 2026 |
| 42456 | FORWARD 'A' | Morton County, KS | Oil & Gas Property | Feb 2026 |
| 42457 | FORWOOD E | Susquehanna County, PA | Gas Property | Mar 2026 |
| 42458 | FORWOODSON | Latimer County, OK | Gas Property | Mar 2026 |
| 42459 | FOSBERG | Chautauqua County, NY | Oil & Gas Property | Dec 2024 |
| 42460 | FOSHEE | Nacogdoches County, TX | Oil & Gas Property | Mar 2026 |
| 42461 | FOSHEE 07-15 | Conway County, AR | Gas Property | Jul 2024 |
| 42462 | FOSHEE GAS UNIT | Nacogdoches County, TX | Oil & Gas Property | Sep 2019 |
| 42463 | FOSNAUGHT | Stark County, OH | Oil & Gas Property | Dec 2025 |
| 42464 | FOSNIGHT CS | Campbell County, WY | Gas Property | Jul 2015 |
| 42465 | FOSNOT | Marion County, KS | Oil & Gas Property | Jan 2026 |
| 42466 | FOSS | Weld County, CO | Oil & Gas Property | Apr 2021 |
| 42467 | FOSS | Erie County, NY | Gas Property | Dec 2024 |
| 42468 | FOSS 24-11TFH | Dunn County, ND | Oil & Gas Property | Apr 2026 |
| 42469 | FOSS FAMILY TRUST 15-23H | Williams County, ND | Oil & Gas Property | Apr 2026 |
| 42470 | FOSS RANCH 1-34H | Richland County, MT | Oil & Gas Property | Apr 2026 |
| 42471 | FOSS USX AA | Weld County, CO | Oil & Gas Property | Mar 2017 |
| 42472 | FOSSA 149-93-31D-30H-LL | Dunn County, ND | Oil & Gas Property | Apr 2026 |
| 42473 | FOSSET GULCH | Archuleta County, CO | Gas Property | Apr 2026 |
| 42474 | FOSSETT 1 | Caddo County, OK | Oil & Gas Property | Mar 2026 |
| 42475 | FOSSIL | Natrona County, WY | Oil & Gas Property | Mar 2019 |
| 42476 | FOSSIL | Leon County, TX | Oil & Gas Property | Mar 2026 |
| 42477 | FOSSIL BELIN GAS UNIT | Leon County, TX | Oil & Gas Property | Mar 2026 |
| 42478 | FOSSIL CREEK RWF | Garfield County, CO | Oil & Gas Property | Apr 2026 |
| 42479 | FOSSIL DONELSON GAS UNIT #1 | Leon County, TX | Oil & Gas Property | Mar 2026 |
| 42480 | FOSSIL FEDERAL | San Miguel County, CO | Oil & Gas Property | Dec 2024 |
| 42481 | FOSSIL HILL | Tarrant County, TX | Oil & Gas Property | Mar 2026 |
| 42482 | FOSSIL HILLTOP RESORT | Leon County, TX | Oil & Gas Property | Mar 2026 |
| 42483 | FOSSIL JOHN PARKER | Robertson County, TX | Oil & Gas Property | Mar 2026 |
| 42484 | FOSSIL LONE OAK RANCH | Leon County, TX | Oil & Gas Property | Mar 2026 |
| 42485 | FOSSIL RIDGE | Tarrant County, TX | Gas Property | Mar 2026 |
| 42486 | FOSSIL STREATER GAS UNIT NO. 1 1 | Leon County, TX | Oil & Gas Property | Mar 2026 |
| 42487 | FOSSIL WILDMAN | Leon County, TX | Oil & Gas Property | Mar 2026 |
| 42488 | FOSSUM | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 42489 | FOSSUM | Bottineau County, ND | Oil & Gas Property | Apr 2026 |
| 42490 | FOSTER | Pawnee County, OK | Oil & Gas Property | Mar 2026 |
| 42491 | FOSTER | San Juan County, NM | Gas Property | Apr 2026 |
| 42492 | FOSTER | Kearny County, KS | Oil & Gas Property | Feb 2026 |
| 42493 | FOSTER | Noble County, OK | Gas Property | Feb 2026 |
| 42494 | FOSTER | Hughes County, OK | Oil & Gas Property | May 2025 |
| 42495 | FOSTER | Ector County, TX | Oil & Gas Property | Mar 2026 |
| 42496 | FOSTER | San Juan County, NM | Gas Property | Apr 2026 |
| 42497 | FOSTER | Garvin County, OK | Oil & Gas Property | Mar 2026 |
| 42498 | FOSTER | Los Angeles County, CA | Oil & Gas Property | Feb 2026 |
| 42499 | FOSTER | Sterling County, TX | Oil & Gas Property | Jul 2024 |
| 42500 | FOSTER | Lipscomb County, TX | Oil & Gas Property | Mar 2026 |