| 4101 | FERTIG | Kearny County, KS | Gas Property | Dec 2025 |
| 4102 | FERTIG | Pawnee County, KS | Oil Property | Dec 2025 |
| 4103 | FERTIG | Pawnee County, KS | Oil Property | Dec 2025 |
| 4104 | FESLER | Graham County, KS | Oil Property | Nov 2025 |
| 4105 | FESLER | Reno County, KS | Oil & Gas Property | Dec 2025 |
| 4106 | FESLER | Chautauqua County, KS | Oil Property | Jun 1995 |
| 4107 | FEUERBORN | Linn County, KS | Oil Property | Sep 2024 |
| 4108 | FICKEN | Hodgeman County, KS | Oil Property | May 2025 |
| 4109 | FICKEN 1 | Sheridan County, KS | Oil Property | Dec 2025 |
| 4110 | FIDELITY | Sedgwick County, KS | Oil & Gas Property | Nov 2025 |
| 4111 | FIDELITY SAVING | Morton County, KS | Gas Property | Dec 2025 |
| 4112 | FIEHLER | Franklin County, KS | Oil Property | Dec 2025 |
| 4113 | FIELD | Russell County, KS | Oil Property | Nov 2025 |
| 4114 | FIELDS 'A' 1 | Stevens County, KS | Gas Property | Dec 2025 |
| 4115 | FIENUP-HIRZ | Stevens County, KS | Gas Property | Dec 2025 |
| 4116 | FIGGE | Woodson County, KS | Oil Property | Dec 2025 |
| 4117 | FILBERT | Ness County, KS | Oil Property | Oct 2025 |
| 4118 | FILDES | Chautauqua County, KS | Oil Property | Jul 2023 |
| 4119 | FINCH | Franklin County, KS | Oil Property | Dec 2025 |
| 4120 | FINCHAM | Seward County, KS | Oil Property | Nov 2024 |
| 4121 | FINCHAM | Seward County, KS | Oil & Gas Property | Dec 2025 |
| 4122 | FINCHAM | Pratt County, KS | Oil & Gas Property | Oct 2002 |
| 4123 | FINCHAM | Pratt County, KS | Oil & Gas Property | Sep 2025 |
| 4124 | FINCHAM | Meade County, KS | Oil & Gas Property | Nov 2025 |
| 4125 | FINCHAM | Haskell County, KS | Oil & Gas Property | Dec 2025 |
| 4126 | FINCHAM | Stevens County, KS | Gas Property | Dec 2025 |
| 4127 | FINCHAM | Pratt County, KS | Oil & Gas Property | Mar 1996 |
| 4128 | FINCHAM 'C' | Grant County, KS | Gas Property | Dec 2025 |
| 4129 | FINCHAM GAS UNIT | Seward County, KS | Oil & Gas Property | Dec 2025 |
| 4130 | FINDLEY | Harper County, KS | Oil & Gas Property | Oct 2011 |
| 4131 | FINGER | Barton County, KS | Oil Property | Aug 1998 |
| 4132 | FINGER | Barton County, KS | Oil Property | Sep 2025 |
| 4133 | FINK | Graham County, KS | Oil Property | Oct 2025 |
| 4134 | FINKELSTEIN | Kearny County, KS | Gas Property | Dec 2025 |
| 4135 | FINKELSTEIN | Kearny County, KS | Gas Property | Dec 2025 |
| 4136 | FINKENBINDER | Anderson County, KS | Oil Property | Dec 2025 |
| 4137 | FINLEY | Wallace County, KS | Gas Property | Dec 2019 |
| 4138 | FINLEY | Wilson County, KS | Oil & Gas Property | Dec 2025 |
| 4139 | FINLEY | Stevens County, KS | Gas Property | Dec 2025 |
| 4140 | FINN | Kearny County, KS | Gas Property | Dec 2025 |
| 4141 | FINNERTY | Coffey County, KS | Oil Property | Oct 2024 |
| 4142 | FINNERTY | Douglas County, KS | Oil & Gas Property | May 2025 |
| 4143 | FINNESY | Rooks County, KS | Oil Property | Oct 2025 |
| 4144 | FINNESY | Osborne County, KS | Oil Property | Dec 2025 |
| 4145 | FINNESY | Rooks County, KS | Oil Property | Nov 2025 |
| 4146 | FINNEY | Butler County, KS | Oil Property | Dec 2025 |
| 4147 | FINNEY | Lyon County, KS | Oil Property | Dec 2025 |
| 4148 | FINNEY | Butler County, KS | Oil Property | Nov 1990 |
| 4149 | FINNUP | Finney County, KS | Oil & Gas Property | Dec 2025 |
| 4150 | FINNUP | Hamilton County, KS | Gas Property | Dec 2025 |
| 4151 | FINNUP | Finney County, KS | Gas Property | Dec 2025 |
| 4152 | FINNUP | Gray County, KS | Oil Property | Sep 1990 |
| 4153 | FINNUP | Finney County, KS | Oil & Gas Property | Dec 2025 |
| 4154 | FINNUP | Kearny County, KS | Gas Property | Dec 2025 |
| 4155 | FINNUP | Finney County, KS | Gas Property | Dec 2025 |
| 4156 | FIRST NATIONAL BANK | Stanton County, KS | Gas Property | Dec 2025 |
| 4157 | FIRST NATIONAL BANK GAS UNIT 'B' | Finney County, KS | Gas Property | Dec 2025 |
| 4158 | FIRST NATL | Cowley County, KS | Oil Property | Jan 2025 |
| 4159 | FIRST STATE BANK OF LARNED | Morton County, KS | Gas Property | Dec 2025 |
| 4160 | FISCHER | Ford County, KS | Oil Property | Dec 2025 |
| 4161 | FISCHER | Stafford County, KS | Oil & Gas Property | Dec 2025 |
| 4162 | FISCHER | Grant County, KS | Gas Property | Dec 2025 |
| 4163 | FISCHER | Stafford County, KS | Oil Property | Oct 2025 |
| 4164 | FISCHER | Seward County, KS | Gas Property | Dec 2025 |
| 4165 | FISCHER | Stafford County, KS | Oil Property | Dec 2025 |
| 4166 | FISCHER | Stafford County, KS | Oil Property | Dec 2025 |
| 4167 | FISCHER | Coffey County, KS | Oil Property | Dec 2025 |
| 4168 | FISCHER | Ellis County, KS | Oil Property | Dec 2025 |
| 4169 | FISCHER-CRASK | Barber County, KS | Oil & Gas Property | Dec 2025 |
| 4170 | FISCHLI | Rooks County, KS | Oil Property | Sep 2025 |
| 4171 | FISCHLI | Phillips County, KS | Oil Property | Jul 2025 |
| 4172 | FISCHLI | Rooks County, KS | Oil Property | Nov 2025 |
| 4173 | FISH | Stafford County, KS | Oil & Gas Property | Aug 2015 |
| 4174 | FISHER | Stevens County, KS | Oil & Gas Property | Feb 2025 |
| 4175 | FISHER | Ellis County, KS | Oil Property | Dec 2025 |
| 4176 | FISHER | Kiowa County, KS | Oil & Gas Property | Dec 2025 |
| 4177 | FISHER | Stafford County, KS | Oil & Gas Property | Dec 2025 |
| 4178 | FISHER | Rawlins County, KS | Oil Property | Dec 2025 |
| 4179 | FISHER | Stafford County, KS | Oil Property | Dec 1997 |
| 4180 | FISHER | Cheyenne County, KS | Oil Property | Dec 2025 |
| 4181 | FISHER | Stafford County, KS | Oil & Gas Property | Dec 2025 |
| 4182 | FISHER | Stafford County, KS | Oil & Gas Property | Dec 2025 |
| 4183 | FISHER 1 | Edwards County, KS | Oil & Gas Property | Dec 2025 |
| 4184 | FISHER CATTLE CO | Rawlins County, KS | Oil Property | Sep 2025 |
| 4185 | FITCH | Edwards County, KS | Oil Property | Nov 2025 |
| 4186 | FITHIAN | Morton County, KS | Gas Property | Dec 2025 |
| 4187 | FITZGERALD | Barber County, KS | Oil & Gas Property | Dec 2025 |
| 4188 | FITZGERALD | Ness County, KS | Oil Property | Oct 2025 |
| 4189 | FITZGERALD | Seward County, KS | Oil Property | Nov 2025 |
| 4190 | FITZGERALD | Seward County, KS | Oil & Gas Property | Dec 2025 |
| 4191 | FITZGERALD | Texas County, OK | Gas Property | Jan 2026 |
| 4192 | FITZGERALD | Barber County, KS | Oil & Gas Property | Dec 2025 |
| 4193 | FITZGERALD | Seward County, KS | Oil & Gas Property | Dec 2025 |
| 4194 | FITZGERALD | Kingman County, KS | Oil & Gas Property | Dec 2025 |
| 4195 | FITZGERALD A | Haskell County, KS | Oil & Gas Property | Nov 2025 |
| 4196 | FITZGIBBONS | Sherman County, KS | Gas Property | Dec 2025 |
| 4197 | FITZHUGH | Norton County, KS | Oil Property | Dec 2025 |
| 4198 | FITZPATRICK | Rice County, KS | Gas Property | Dec 2025 |
| 4199 | FITZPATRICK | Woodson County, KS | Oil Property | Oct 2025 |
| 4200 | FITZSIMMONS | Pratt County, KS | Oil & Gas Property | Sep 1995 |