| 42101 | FOSTER GAS UNIT | Kearny County, KS | Gas Property | Jul 2024 |
| 42102 | FOSTER GBSA UNIT | Ector County, TX | Oil & Gas Property | Aug 2024 |
| 42103 | FOSTER J. ESTATE | La Salle County, TX | Oil & Gas Property | Aug 2024 |
| 42104 | FOSTER LAS | La Salle County, TX | Oil & Gas Property | Aug 2024 |
| 42105 | FOSTER LBR CO | Harris County, TX | Oil & Gas Property | Jul 2024 |
| 42106 | FOSTER LUMBER CO | San Jacinto County, TX | Oil & Gas Property | Aug 2024 |
| 42107 | FOSTER LUMBER CO | San Jacinto County, TX | Oil & Gas Property | Aug 2024 |
| 42108 | FOSTER MCDONALD | Sterling County, TX | Oil & Gas Property | Aug 2024 |
| 42109 | FOSTER RICHARD UNIT | Washington County, PA | Oil & Gas Property | Sep 2024 |
| 42110 | FOSTER SHELL | Weston County, WY | Oil Property | Nov 2019 |
| 42111 | FOSTER TRUST | Pawnee County, KS | Oil Property | Jul 2024 |
| 42112 | FOSTER TRUST | Dewey County, OK | Oil & Gas Property | Sep 2024 |
| 42113 | FOSTER UNIT | Karnes County, TX | Oil & Gas Property | Aug 2024 |
| 42114 | FOSTER UNIT I | La Salle County, TX | Oil & Gas Property | Aug 2024 |
| 42115 | FOSTER W. L. EST | Mitchell County, TX | Oil & Gas Property | Aug 2020 |
| 42116 | FOSTER WANDA | Wise County, TX | Oil & Gas Property | Aug 2024 |
| 42117 | FOSTER WM. J | Sherman County, TX | Gas Property | Aug 2024 |
| 42118 | FOSTER, AMANDA | Glasscock County, TX | Oil & Gas Property | Aug 2022 |
| 42119 | FOSTER, ED | Wichita County, TX | Oil & Gas Property | Jun 2024 |
| 42120 | FOSTER, MARION | Logan County, AR | Gas Property | May 2024 |
| 42121 | FOSTER, YVONNE | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 42122 | FOSTER, YVONNE R. B | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 42123 | FOSTER-HAMILTON | Wichita County, TX | Oil & Gas Property | Aug 2024 |
| 42124 | FOSTER-JOHNSON UNIT | Ector County, TX | Oil & Gas Property | Aug 2024 |
| 42125 | FOSTER-PEGUES UNIT | Ector County, TX | Oil & Gas Property | Aug 2024 |
| 42126 | FOTOPOLOUS | Hamilton County, KS | Gas Property | Jul 2024 |
| 42127 | FOTOPOULOS | Finney County, KS | Gas Property | Jul 2024 |
| 42128 | FOUCH | Reagan County, TX | Oil & Gas Property | Aug 2024 |
| 42129 | FOUGHT | Norton County, KS | Oil Property | Jul 2024 |
| 42130 | FOUGHTY | Barton County, KS | Oil Property | Jun 2024 |
| 42131 | FOUKE | Wood County, TX | Oil Property | Aug 2024 |
| 42132 | FOUKE BEAUFORD UNIT | Miller County, AR | Oil Property | Jul 2024 |
| 42133 | FOUKE EST | Miller County, AR | Oil & Gas Property | Jul 2024 |
| 42134 | FOUKE ESTATE | Miller County, AR | Oil Property | Jun 2024 |
| 42135 | FOUKE FIRST STURGIS UNIT | Miller County, AR | Oil Property | Jul 2024 |
| 42136 | FOUKE FIRST TOKIO UNIT | Miller County, AR | Oil Property | Jul 2024 |
| 42137 | FOUKE STURGIS | Miller County, AR | Oil & Gas Property | Jul 2024 |
| 42138 | FOULDS FEE | Kern County, CA | Oil & Gas Property | Aug 2024 |
| 42139 | FOULKROD | Warren County, PA | Oil & Gas Property | Dec 2023 |
| 42140 | FOULSTON | Butler County, KS | Oil Property | Apr 2017 |
| 42141 | FOUNDATION | Phillips County, KS | Oil Property | Apr 2024 |
| 42142 | FOUNDATION | Creek County, OK | Oil Property | Mar 2023 |
| 42143 | FOUNDATION CREEK | Garfield County, CO | Gas Property | Aug 2024 |
| 42144 | FOUNDATION FOR I | Indiana County, PA | Gas Property | Dec 2023 |
| 42145 | FOUNDERS JOHNSON STATE | Reeves County, TX | Oil & Gas Property | Aug 2024 |
| 42146 | FOUNDERS OBRIEN STATE | Reeves County, TX | Oil & Gas Property | Aug 2024 |
| 42147 | FOUNTAIN | Graham County, KS | Oil Property | Jul 2024 |
| 42148 | FOUNTAIN | Hardin County, TX | Oil & Gas Property | Mar 2006 |
| 42149 | FOUNTAIN | Leon County, TX | Oil & Gas Property | Aug 2024 |
| 42150 | FOUNTAIN | Graham County, KS | Oil Property | Jul 2024 |
| 42151 | FOUNTAIN FARM | Escambia County, AL | Oil & Gas Property | Jun 2024 |
| 42152 | FOUNTAIN GAS UNIT 1 | Pecos County, TX | Oil & Gas Property | Aug 2024 |
| 42153 | FOUNTAIN II SARANDOS ALLOCATION | Leon County, TX | Oil & Gas Property | Aug 2024 |
| 42154 | FOUQUET | Lincoln County, OK | Oil & Gas Property | Sep 2024 |
| 42155 | FOUR BEARS | McKenzie County, ND | Oil & Gas Property | Sep 2024 |
| 42156 | FOUR BEES LTD | Crawford County, PA | Oil & Gas Property | Dec 2023 |
| 42157 | FOUR BOYS | Cheyenne County, KS | Oil Property | Jul 2024 |
| 42158 | FOUR BUCKS | Susquehanna County, PA | Gas Property | Sep 2024 |
| 42159 | FOUR C SAN ANDRES UNIT | Pecos County, TX | Oil & Gas Property | Aug 2024 |
| 42160 | FOUR CORNER | Archer County, TX | Oil Property | Aug 2024 |
| 42161 | FOUR CORNERS | Crane County, TX | Oil & Gas Property | Aug 2024 |
| 42162 | FOUR CORNERS RANCH-UNIT | Frio County, TX | Oil & Gas Property | Aug 2024 |
| 42163 | FOUR CORNERS TXL FEE A | Upton County, TX | Oil & Gas Property | Aug 2024 |
| 42164 | FOUR DANCES USA 41-25TFH | McKenzie County, ND | Oil & Gas Property | Sep 2024 |
| 42165 | FOUR DEER | Santa Barbara County, CA | Oil & Gas Property | Sep 2024 |
| 42166 | FOUR DOGS UNIT 1 | Panola County, TX | Oil & Gas Property | Jul 2024 |
| 42167 | FOUR J CATTLE CO | Stephens County, TX | Oil & Gas Property | Aug 2024 |
| 42168 | FOUR K PARTNERS | McMullen County, TX | Oil & Gas Property | Aug 2024 |
| 42169 | FOUR LP LLC 6-10C4 | Duchesne County, UT | Oil & Gas Property | Sep 2024 |
| 42170 | FOUR MILE 4-5 | Richland County, MT | Oil & Gas Property | Sep 2024 |
| 42171 | FOUR MILE CREEK | Campbell County, WY | Gas Property | Nov 2017 |
| 42172 | FOUR MILE DRAW | Eddy County, NM | Oil & Gas Property | Aug 2024 |
| 42173 | FOUR MILE DRAW | Chaves County, NM | Gas Property | Sep 2024 |
| 42174 | FOUR MILE GULCH | Sweetwater County, WY | Oil & Gas Property | Sep 2024 |
| 42175 | FOUR MILE SHEEP | Carbon County, WY | Oil & Gas Property | Dec 2010 |
| 42176 | FOUR PEAKS 35 FEDERAL | Eddy County, NM | Oil & Gas Property | Sep 2024 |
| 42177 | FOUR QUARTER | Yuma County, CO | Gas Property | Sep 2024 |
| 42178 | FOUR R S TRUST | Crawford County, PA | Gas Property | Dec 2023 |
| 42179 | FOUR ROSES 23S UNIT 1H | Reeves County, TX | Oil & Gas Property | Aug 2024 |
| 42180 | FOUR SQUARE RANCH | Edwards County, TX | Oil & Gas Property | Aug 2024 |
| 42181 | FOUR STAR 7-32-7-20 | Uintah County, UT | Oil & Gas Property | Sep 2024 |
| 42182 | FOUR STAR FED 6-27-7-20E | Uintah County, UT | Oil & Gas Property | Sep 2024 |
| 42183 | FOUR W FARMS | Richardson County, NE | Oil Property | Dec 2023 |
| 42184 | FOUR WAY RANCH | Jackson County, TX | Oil & Gas Property | Aug 2024 |
| 42185 | FOUR WINDS | Waller County, TX | Oil & Gas Property | Aug 2024 |
| 42186 | FOURBEAR | Park County, WY | Oil Property | Sep 2024 |
| 42187 | FOURMILE CS FEDERAL | Campbell County, WY | Gas Property | May 2013 |
| 42188 | FOURMILE FEDERAL COM 20H | Campbell County, WY | Oil & Gas Property | Sep 2024 |
| 42189 | FOURT | Fremont County, WY | Oil Property | Sep 2024 |
| 42190 | FOURTEEN MILE | Washakie County, WY | Oil & Gas Property | Oct 2015 |
| 42191 | FOURTH AVENUE | Los Angeles County, CA | Oil & Gas Property | Sep 2017 |
| 42192 | FOURTICQ UNIT 1OL | Fayette County, TX | Oil & Gas Property | Aug 2024 |
| 42193 | FOUSHEE-HENKE | Atascosa County, TX | Oil & Gas Property | Jun 2024 |
| 42194 | FOUSHEE-WRIGHT KEATHLEY SA | Atascosa County, TX | Oil & Gas Property | Aug 2024 |
| 42195 | FOUST | Allen County, KS | Oil Property | May 2024 |
| 42196 | FOUST | Bradford County, PA | Gas Property | Sep 2024 |
| 42197 | FOUST | Cleburne County, AR | Gas Property | Jun 2024 |
| 42198 | FOUST | Pawnee County, OK | Oil & Gas Property | Feb 2014 |
| 42199 | FOUST MORRIS UNIT | Johnson County, TX | Oil & Gas Property | Aug 2024 |
| 42200 | FOUST-IHRIG 43-18 | Sherman County, KS | Gas Property | Jul 2024 |