| 40101 | FASSLER | Washington County, CO | Oil & Gas Property | May 2025 |
| 40102 | FAST | Major County, OK | Oil & Gas Property | Apr 2025 |
| 40103 | FAST | Major County, OK | Oil & Gas Property | Apr 2025 |
| 40104 | FAST | Major County, OK | Oil & Gas Property | Mar 2016 |
| 40105 | FAST | Major County, OK | Oil & Gas Property | May 2025 |
| 40106 | FAST 1 | Los Angeles County, CA | Oil & Gas Property | Jun 2025 |
| 40107 | FAST BREAK (TANNEHILL SAND) UNIT | Stonewall County, TX | Oil & Gas Property | Feb 2020 |
| 40108 | FAST DOG 7-6H | Dunn County, ND | Oil & Gas Property | Jun 2025 |
| 40109 | FAST DOG USA 43-5H | Dunn County, ND | Oil & Gas Property | Jun 2025 |
| 40110 | FAST DOLLAR | Andrews County, TX | Oil & Gas Property | May 2025 |
| 40111 | FAST DRAW 4 | Eddy County, NM | Oil & Gas Property | May 2025 |
| 40112 | FASTERLING MCGEE | Plaquemines Parish, LA | Oil & Gas Property | Nov 2024 |
| 40113 | FAT BOY | Ward County, TX | Oil & Gas Property | May 2025 |
| 40114 | FAT BOY | Pecos County, TX | Oil & Gas Property | May 2025 |
| 40115 | FAT DOG | Montague County, TX | Oil & Gas Property | May 2025 |
| 40116 | FAT TIRE | Fayette County, TX | Oil & Gas Property | May 2025 |
| 40117 | FAT TIRE | McClain County, OK | Oil & Gas Property | Apr 2025 |
| 40118 | FAT TIRE 1 | Lavaca County, TX | Oil & Gas Property | May 2025 |
| 40119 | FAT TIRE 12 FEDERAL | Eddy County, NM | Oil & Gas Property | May 2025 |
| 40120 | FATBACK | Fremont County, WY | Oil Property | May 2025 |
| 40121 | FATBOY29-32-12N-8W | Canadian County, OK | Oil & Gas Property | Apr 2025 |
| 40122 | FATCO | Stephens County, OK | Oil & Gas Property | Mar 2025 |
| 40123 | FATH | Kay County, OK | Oil Property | Nov 2019 |
| 40124 | FATH | Kay County, OK | Oil & Gas Property | Apr 2025 |
| 40125 | FATH | Kay County, OK | Oil & Gas Property | Apr 2025 |
| 40126 | FATHEAD | Fremont County, WY | Oil Property | May 2025 |
| 40127 | FATHEAD FEDERAL INJ | Fremont County, WY | Oil Property | May 2025 |
| 40128 | FATHER FLANAGAN | Rice County, KS | Oil Property | Nov 1996 |
| 40129 | FATHER GESENHUES TRUST FUND | Thomas County, KS | Oil Property | Apr 2025 |
| 40130 | FATHEREE | Dimmit County, TX | Oil & Gas Property | May 2025 |
| 40131 | FATS DRAW | Campbell County, WY | Gas Property | Aug 2018 |
| 40132 | FATUM, E | Osceola County, MI | Oil Property | Dec 2022 |
| 40133 | FATUR | Westmoreland County, PA | Gas Property | May 2025 |
| 40134 | FATZER | Edwards County, KS | Oil & Gas Property | Apr 2025 |
| 40135 | FAUBER | Sheridan County, WY | Gas Property | Jun 2015 |
| 40136 | FAUBUS | Johnson County, TX | Oil & Gas Property | May 2025 |
| 40137 | FAUBUS MARCHBANKS PSA | Johnson County, TX | Oil & Gas Property | May 2025 |
| 40138 | FAUCHIER | Dewey County, OK | Oil & Gas Property | Aug 1997 |
| 40139 | FAUDREE | Reeves County, TX | Oil & Gas Property | May 2025 |
| 40140 | FAUDREE | Irion County, TX | Oil & Gas Property | May 2025 |
| 40141 | FAUGHT | Fisher County, TX | Oil & Gas Property | May 2025 |
| 40142 | FAUGHT | Terry County, TX | Oil & Gas Property | May 2025 |
| 40143 | FAUGHT HEIRS | Denton County, TX | Gas Property | May 2025 |
| 40144 | FAULHABER | Bourbon County, KS | Oil Property | Mar 2025 |
| 40145 | FAULK | Indiana County, PA | Gas Property | Dec 2024 |
| 40146 | FAULK | Claiborne Parish, LA | Oil & Gas Property | Dec 2024 |
| 40147 | FAULK | Westmoreland County, PA | Oil & Gas Property | Dec 2024 |
| 40148 | FAULKNER | Weld County, CO | Oil & Gas Property | May 2025 |
| 40149 | FAULKNER | Greenwood County, KS | Oil Property | May 2011 |
| 40150 | FAULKNER | Graham County, KS | Oil Property | Feb 2025 |
| 40151 | FAULKNER | Gray County, TX | Oil & Gas Property | May 2025 |
| 40152 | FAULKNER | Trego County, KS | Oil Property | Apr 2025 |
| 40153 | FAULKNER | Kimble County, TX | Oil & Gas Property | May 2025 |
| 40154 | FAUN | Borden County, TX | Oil & Gas Property | May 2025 |
| 40155 | FAUN UNIT A 15-22 | Borden County, TX | Oil & Gas Property | May 2025 |
| 40156 | FAUNA | Andrews County, TX | Oil & Gas Property | May 2025 |
| 40157 | FAUNA E WEL JF 3H | Jefferson County, OH | Gas Property | Mar 2025 |
| 40158 | FAUNA W WEL JF 1H | Jefferson County, OH | Gas Property | Mar 2025 |
| 40159 | FAUNDA S U | Monroe County, OH | Gas Property | Mar 2025 |
| 40160 | FAUNTLEROY | Muhlenberg County, KY | Oil Property | Sep 2008 |
| 40161 | FAURE | Washakie County, WY | Oil & Gas Property | Feb 2008 |
| 40162 | FAUSETT | Duchesne County, UT | Oil & Gas Property | May 2025 |
| 40163 | FAUSETT | Carbon County, UT | Gas Property | May 2025 |
| 40164 | FAUSNIGHT | Guernsey County, OH | Gas Property | Dec 2020 |
| 40165 | FAUST | Logan County, OK | Oil & Gas Property | Oct 2015 |
| 40166 | FAUST B UNIT | Montague County, TX | Oil & Gas Property | May 2025 |
| 40167 | FAUST DIM | Dimmit County, TX | Oil & Gas Property | May 2025 |
| 40168 | FAUST UNIT | Montague County, TX | Oil & Gas Property | May 2025 |
| 40169 | FAUSTO | Webb County, TX | Oil & Gas Property | May 2025 |
| 40170 | FAUSTO BRA | Bradford County, PA | Gas Property | Apr 2025 |
| 40171 | FAVEL | Harrison County, TX | Oil & Gas Property | May 2025 |
| 40172 | FAVER | Young County, TX | Oil & Gas Property | Nov 2018 |
| 40173 | FAVERIO | Fayette County, PA | Gas Property | May 2025 |
| 40174 | FAVORS J. E | Grayson County, TX | Oil & Gas Property | Mar 2023 |
| 40175 | FAVRE | Sabine Parish, LA | Oil Property | Dec 2024 |
| 40176 | FAWCETT | Seward County, KS | Oil & Gas Property | Apr 2025 |
| 40177 | FAWCETT | Sutton County, TX | Oil & Gas Property | Apr 2025 |
| 40178 | FAWCETT 1 | Pottawatomie County, OK | Oil & Gas Property | Mar 2017 |
| 40179 | FAWCETT RAN | Sutton County, TX | Oil & Gas Property | Apr 2025 |
| 40180 | FAWCETT UNIT | Westmoreland County, PA | Gas Property | Dec 2024 |
| 40181 | FAWL, HAROLD L 1 | Wilson County, KS | Gas Property | Feb 2024 |
| 40182 | FAWN 2 | Weld County, CO | Oil & Gas Property | May 2025 |
| 40183 | FAWN DEVELOPERS INC | Allegheny County, PA | Gas Property | May 2025 |
| 40184 | FAWN LEIBOWITZ 6-11 UNIT | Reeves County, TX | Oil & Gas Property | May 2025 |
| 40185 | FAXEL | Parker County, TX | Oil & Gas Property | May 2025 |
| 40186 | FAY 2-16HS | Divide County, ND | Oil & Gas Property | Jun 2025 |
| 40187 | FAY ALBERT 11966 | Beaver County, PA | Gas Property | May 2025 |
| 40188 | FAY TATE | Clearfield County, PA | Gas Property | Dec 2024 |
| 40189 | FAY-PENN | Fayette County, PA | Gas Property | May 2025 |
| 40190 | FAYE | Upton County, TX | Oil & Gas Property | May 2025 |
| 40191 | FAYE | Finney County, KS | Oil Property | Apr 2025 |
| 40192 | FAYE | Crane County, TX | Oil & Gas Property | May 2025 |
| 40193 | FAYE 1 | McKenzie County, ND | Oil & Gas Property | Jun 2025 |
| 40194 | FAYE 21 | Belmont County, OH | Gas Property | Mar 2025 |
| 40195 | FAYE 3 | McKenzie County, ND | Oil & Gas Property | Jun 2025 |
| 40196 | FAYE FEDERAL 2759 43-19H | Roosevelt County, MT | Oil & Gas Property | May 2025 |
| 40197 | FAYE RE | Stephens County, OK | Oil Property | Feb 2025 |
| 40198 | FAYE-FAYE WEST | Pecos County, TX | Oil & Gas Property | Apr 2025 |
| 40199 | FAYE-GRANT | Moore County, TX | Oil & Gas Property | May 2025 |
| 40200 | FAYETTE BEAGLE CLUB | Fayette County, PA | Gas Property | May 2025 |