| 42101 | FITZWATER | Washington County, PA | Gas Property | Dec 2024 |
| 42102 | FITZWILLIAM | Parker County, TX | Oil & Gas Property | May 2025 |
| 42103 | FIVE | Weld County, CO | Oil & Gas Property | Feb 2020 |
| 42104 | FIVE D BAR | Sheridan County, WY | Gas Property | Jun 2015 |
| 42105 | FIVE F | La Salle County, TX | Oil & Gas Property | May 2025 |
| 42106 | FIVE H INVESTMENTS | Harrison County, WV | Oil & Gas Property | Dec 2021 |
| 42107 | FIVE M E2 | Weld County, CO | Oil & Gas Property | May 2025 |
| 42108 | FIVE MILE | Sweetwater County, WY | Oil & Gas Property | May 2025 |
| 42109 | FIVE MILE | Sweetwater County, WY | Oil & Gas Property | May 2025 |
| 42110 | FIVE MILE | Washakie County, WY | Oil & Gas Property | Jun 2025 |
| 42111 | FIVE MILE CREEK | Fayette County, TX | Oil & Gas Property | May 2025 |
| 42112 | FIVE MILE GULCH | Sweetwater County, WY | Oil & Gas Property | May 2025 |
| 42113 | FIVE MILE TANK | Chaves County, NM | Gas Property | Apr 2025 |
| 42114 | FIVE N | Montague County, TX | Oil & Gas Property | May 2025 |
| 42115 | FIVE OF DIAMONDS | San Juan County, NM | Gas Property | May 2025 |
| 42116 | FIVE R 1 | Mesa County, CO | Oil & Gas Property | May 2025 |
| 42117 | FIVE RESOURCES | Garza County, TX | Oil Property | May 2025 |
| 42118 | FIVE RIVERS | Weld County, CO | Oil & Gas Property | May 2025 |
| 42119 | FIVE RIVERS BB 30 | Weld County, CO | Oil & Gas Property | May 2017 |
| 42120 | FIVE STAR UNIT 1H | Lavaca County, TX | Oil & Gas Property | May 2025 |
| 42121 | FIVE WAY 15 | Martin County, TX | Oil & Gas Property | May 2025 |
| 42122 | FIVE-ROOS | McMullen County, TX | Oil & Gas Property | May 2025 |
| 42123 | FIVER STATE 18 | Reeves County, TX | Oil & Gas Property | May 2025 |
| 42124 | FIX 11 | Yuma County, CO | Oil & Gas Property | May 2025 |
| 42125 | FIX 2 | Yuma County, CO | Oil & Gas Property | May 2025 |
| 42126 | FIX 2 | Yuma County, CO | Gas Property | May 2025 |
| 42127 | FIX 24 | Yuma County, CO | Gas Property | May 2025 |
| 42128 | FIXICO | Okfuskee County, OK | Oil Property | Mar 2025 |
| 42129 | FIXICO | Seminole County, OK | Oil Property | May 2016 |
| 42130 | FIXICO | Creek County, OK | Oil Property | Jan 2023 |
| 42131 | FIXICO | Okfuskee County, OK | Oil Property | Nov 2014 |
| 42132 | FIZZELL | Stanton County, KS | Gas Property | Apr 2025 |
| 42133 | FJELSTAD | McKenzie County, ND | Oil & Gas Property | Oct 1997 |
| 42134 | FL GREENS | Weld County, CO | Oil & Gas Property | Jun 2025 |
| 42135 | FL GREENS FEDERAL | Weld County, CO | Oil & Gas Property | Jun 2025 |
| 42136 | FL MOUNTAIN | Weld County, CO | Oil & Gas Property | Jun 2025 |
| 42137 | FLACHE | Jones County, TX | Oil & Gas Property | Jun 2016 |
| 42138 | FLACHE | Jones County, TX | Oil & Gas Property | Apr 2025 |
| 42139 | FLACHE 34-39 A UNIT | Howard County, TX | Oil & Gas Property | May 2025 |
| 42140 | FLACHE MITCHELL | Terry County, TX | Oil & Gas Property | May 2025 |
| 42141 | FLACK | Weld County, CO | Oil & Gas Property | Apr 2019 |
| 42142 | FLACK | Tioga County, PA | Gas Property | May 2025 |
| 42143 | FLACK | Holmes County, OH | Oil & Gas Property | Dec 2021 |
| 42144 | FLACK J A | Washington County, PA | Oil Property | Dec 2010 |
| 42145 | FLACK O | Knox County, OH | Oil Property | Dec 2018 |
| 42146 | FLADAGER | Daniels County, MT | Oil Property | May 2002 |
| 42147 | FLADELAND | Mountrail County, ND | Oil & Gas Property | Jun 2025 |
| 42148 | FLADELAND | Mountrail County, ND | Oil & Gas Property | Jun 2025 |
| 42149 | FLADELAND 11-22H | Mountrail County, ND | Oil & Gas Property | Jun 2025 |
| 42150 | FLADER | Adams County, CO | Oil & Gas Property | Feb 2003 |
| 42151 | FLAG POND | Brazoria County, TX | Oil & Gas Property | May 2025 |
| 42152 | FLAG RANCH | Ector County, TX | Oil & Gas Property | May 2025 |
| 42153 | FLAGE | Toole County, MT | Gas Property | May 2025 |
| 42154 | FLAGG USA 11-3H | Mountrail County, ND | Oil & Gas Property | Jun 2025 |
| 42155 | FLAGLER | Rooks County, KS | Oil Property | Mar 2025 |
| 42156 | FLAGLER | Grady County, OK | Oil & Gas Property | Oct 2019 |
| 42157 | FLAGLER 8 FEDERAL | Lea County, NM | Oil & Gas Property | May 2025 |
| 42158 | FLAGLER FEDERAL | Lea County, NM | Oil & Gas Property | May 2025 |
| 42159 | FLAHARTY, RAY L | Labette County, KS | Gas Property | Apr 2025 |
| 42160 | FLAHAVEN | Lee County, KY | Oil & Gas Property | Dec 2023 |
| 42161 | FLAHERTY | Coffey County, KS | Oil Property | Apr 2025 |
| 42162 | FLAHERTY 1 | Weld County, CO | Oil & Gas Property | May 2025 |
| 42163 | FLAKE | Coffey County, KS | Oil Property | Apr 2025 |
| 42164 | FLAME | Nueces County, TX | Oil & Gas Property | Apr 2025 |
| 42165 | FLAMEBACK | Divide County, ND | Oil & Gas Property | Jun 2025 |
| 42166 | FLAMES 3-10-1S-3W | Carter County, OK | Oil & Gas Property | May 2025 |
| 42167 | FLAMING | Washita County, OK | Oil & Gas Property | Apr 2025 |
| 42168 | FLAMING DRAGON | Duchesne County, UT | Oil & Gas Property | May 2025 |
| 42169 | FLAMING SNAIL FEDERAL COM | Eddy County, NM | Oil & Gas Property | Jun 2025 |
| 42170 | FLAMING STAR 02-11 | Howard County, TX | Oil & Gas Property | May 2025 |
| 42171 | FLAMMENWERFER UNIT | McMullen County, TX | Oil & Gas Property | Apr 2025 |
| 42172 | FLAMSON | Andrews County, TX | Oil & Gas Property | May 2025 |
| 42173 | FLAN | Texas County, OK | Gas Property | Apr 2025 |
| 42174 | FLANAGAN | Franklin County, AR | Gas Property | Jun 2024 |
| 42175 | FLANAGAN | Montgomery County, KS | Oil & Gas Property | Apr 2025 |
| 42176 | FLANAGAN | Panola County, TX | Oil & Gas Property | May 2025 |
| 42177 | FLANAGAN | Andrews County, TX | Oil & Gas Property | May 2025 |
| 42178 | FLANAGAN | Gregg County, TX | Oil & Gas Property | May 2025 |
| 42179 | FLANAGAN | Rusk County, TX | Oil & Gas Property | May 2025 |
| 42180 | FLANAGAN | Midland County, TX | Oil & Gas Property | May 2025 |
| 42181 | FLANAGAN | Martin County, TX | Oil & Gas Property | May 2025 |
| 42182 | FLANAGAN | Howard County, TX | Oil & Gas Property | May 2025 |
| 42183 | FLANAGAN | Cotton County, OK | Oil Property | Mar 2022 |
| 42184 | FLANAGAN | Love County, OK | Oil & Gas Property | Apr 2025 |
| 42185 | FLANAGAN | Glasscock County, TX | Oil & Gas Property | May 2025 |
| 42186 | FLANAGAN | Hansford County, TX | Gas Property | May 2025 |
| 42187 | FLANAGAN | Ritchie County, WV | Oil & Gas Property | Jun 2021 |
| 42188 | FLANAGAN 3 | Glasscock County, TX | Oil & Gas Property | May 2025 |
| 42189 | FLANAGAN A | Titus County, TX | Oil & Gas Property | May 2025 |
| 42190 | FLANAGAN ANNIE OIL MANAGEMENT | Martin County, TX | Oil & Gas Property | May 2025 |
| 42191 | FLANAGAN, GEORGE | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 42192 | FLANAGAN-JERNIGAN HV UNIT | Panola County, TX | Gas Property | May 2025 |
| 42193 | FLANDERS | Barton County, KS | Oil Property | Apr 2025 |
| 42194 | FLANDERS | Montgomery County, KS | Gas Property | Apr 2025 |
| 42195 | FLANE | Gonzales County, TX | Oil & Gas Property | May 2025 |
| 42196 | FLANIGAN | Weld County, CO | Oil & Gas Property | May 2025 |
| 42197 | FLANIGAN | Phillips County, KS | Oil Property | Jul 1988 |
| 42198 | FLANIGAN | Caddo County, OK | Oil & Gas Property | Apr 2025 |
| 42199 | FLANIGIN 1-20H | Caddo County, OK | Gas Property | Apr 2025 |
| 42200 | FLANK | Baca County, CO | Oil Property | Jun 2025 |