| 5201 | FRYSAK B 47-15 (ALLOC-C) | Glasscock County, TX | Oil & Gas Property | Mar 2026 |
| 5202 | FRYSTAK C 01 | Susquehanna County, PA | Gas Property | Apr 2026 |
| 5203 | FRYSTAK CENTRAL | Susquehanna County, PA | Gas Property | Apr 2026 |
| 5204 | FRYSTAK EAST | Susquehanna County, PA | Gas Property | Apr 2026 |
| 5205 | FSAU | Andrews County, TX | Oil & Gas Property | Mar 2026 |
| 5206 | FSFU | Toole County, MT | Oil Property | Apr 2026 |
| 5207 | FSWSU | Borden County, TX | Oil & Gas Property | Mar 2026 |
| 5208 | FT LUPTON HIGHLANDS | Weld County, CO | Oil & Gas Property | May 2018 |
| 5209 | FT ST VRAIN | Weld County, CO | Oil & Gas Property | Jul 2022 |
| 5210 | FT STOCKTON SOUTH | Pecos County, TX | Oil & Gas Property | Apr 2018 |
| 5211 | FT STOCKTON SOUTH UNIT | Pecos County, TX | Oil & Gas Property | Feb 2026 |
| 5212 | FT SUMTER | Glasscock County, TX | Oil & Gas Property | Mar 2026 |
| 5213 | FT TERRETT RANCH/CANYON LM/U | Sutton County, TX | Oil & Gas Property | Mar 2026 |
| 5214 | FT. BERTHOLD 150-94-32C-29H | McKenzie County, ND | Oil & Gas Property | Apr 2026 |
| 5215 | FT. BUFORD 1-16H | Williams County, ND | Oil & Gas Property | Apr 2026 |
| 5216 | FT. CHADBOURNE ODOM LIME UNIT | Coke County, TX | Oil & Gas Property | Mar 2026 |
| 5217 | FT. WORTH NATL. BANK | Ward County, TX | Oil & Gas Property | Dec 2019 |
| 5218 | FT. WORTH NATL. BANK | Glasscock County, TX | Oil & Gas Property | Apr 2021 |
| 5219 | FT.TRINIDAD UPPER GLEN ROSE UNIT | Madison County, TX | Oil & Gas Property | Mar 2026 |
| 5220 | FTUN 1495-S | Sweetwater County, WY | Oil & Gas Property | Mar 2026 |
| 5221 | FUCE 5-30 | Richland County, MT | Oil & Gas Property | Apr 2026 |
| 5222 | FUCHS | Glasscock County, TX | Oil & Gas Property | Mar 2026 |
| 5223 | FUCHS | Beckham County, OK | Oil & Gas Property | Mar 2026 |
| 5224 | FUCHS | Fayette County, TX | Oil & Gas Property | Mar 2026 |
| 5225 | FUCHS "D" | Williamson County, TX | Oil Property | Mar 2026 |
| 5226 | FUCHS A | Monroe County, OH | Gas Property | Mar 2026 |
| 5227 | FUCHS D 46-39 (ALLOC | Reagan County, TX | Oil & Gas Property | Mar 2026 |
| 5228 | FUCHS F 46-34 (ALLOC | Glasscock County, TX | Oil & Gas Property | Mar 2026 |
| 5229 | FUCHS G 46-34 (ALLOC-A) | Glasscock County, TX | Oil & Gas Property | Mar 2026 |
| 5230 | FUCIK | Wharton County, TX | Oil & Gas Property | Mar 2026 |
| 5231 | FUDGE | Allen County, KS | Oil Property | Dec 2025 |
| 5232 | FUENTES | Sherman County, TX | Gas Property | Mar 2026 |
| 5233 | FUENTES J.R | Starr County, TX | Oil & Gas Property | Jan 2026 |
| 5234 | FUGATE | Caddo County, OK | Oil Property | Apr 2026 |
| 5235 | FUGATE | Knott County, KY | Oil & Gas Property | Dec 2024 |
| 5236 | FUGATE | Knott County, KY | Gas Property | Dec 2021 |
| 5237 | FUGATE | Knott County, KY | Gas Property | Dec 2024 |
| 5238 | FUGERE | Daniels County, MT | Oil & Gas Property | Dec 2008 |
| 5239 | FUGERE 3 | Golden Valley County, ND | Oil & Gas Property | Apr 2026 |
| 5240 | FUGIT | Woods County, OK | Oil & Gas Property | Mar 2026 |
| 5241 | FUGLER | Santa Barbara County, CA | Oil & Gas Property | Jun 2022 |
| 5242 | FUGLER | Santa Barbara County, CA | Oil & Gas Property | Jul 1989 |
| 5243 | FUHLBERG, JA | Madison County, TX | Oil & Gas Property | Feb 2026 |
| 5244 | FUHR | Leavenworth County, KS | Oil Property | May 1996 |
| 5245 | FUHRMAN | Andrews County, TX | Oil & Gas Property | Mar 2026 |
| 5246 | FUHRMAN | Kern County, CA | Oil Property | Aug 1992 |
| 5247 | FUHRMAN | Bourbon County, KS | Oil Property | Jul 2025 |
| 5248 | FUHRMAN | Allen County, KS | Oil Property | Oct 2025 |
| 5249 | FUHRMAN | Wheeler County, TX | Oil & Gas Property | Mar 2026 |
| 5250 | FUHRMAN | Andrews County, TX | Oil & Gas Property | Mar 2026 |
| 5251 | FUJI 1206 | Canadian County, OK | Oil & Gas Property | Mar 2026 |
| 5252 | FUJI UNIT | Karnes County, TX | Oil & Gas Property | Mar 2026 |
| 5253 | FUKSA | Kingfisher County, OK | Oil & Gas Property | Mar 2026 |
| 5254 | FULBRIGHT W.C | Erath County, TX | Gas Property | Mar 2026 |
| 5255 | FULCHER | Jack County, TX | Oil & Gas Property | Mar 2026 |
| 5256 | FULCHER | Webster County, KY | Oil Property | Dec 2014 |
| 5257 | FULCHER, JOE | Henderson County, KY | Oil Property | Dec 2020 |
| 5258 | FULCHER, JOE & A G PRITCHETT | Henderson County, KY | Oil Property | Dec 2022 |
| 5259 | FULFER MRS. W.T. ETAL GAS UNIT | Erath County, TX | Gas Property | Mar 2026 |
| 5260 | FULGHAM | Clay County, TX | Oil & Gas Property | May 2013 |
| 5261 | FULGHUM | Wilson County, KS | Gas Property | Aug 2025 |
| 5262 | FULHAGE | Woodson County, KS | Oil Property | Feb 2026 |
| 5263 | FULK | Stevens County, KS | Gas Property | Feb 2026 |
| 5264 | FULKERSON | Young County, TX | Oil & Gas Property | Feb 2026 |
| 5265 | FULKERSON | Butler County, KS | Oil Property | Feb 2026 |
| 5266 | FULKERSON | Stevens County, KS | Gas Property | Feb 2026 |
| 5267 | FULKERSON | Creek County, OK | Oil & Gas Property | Feb 2026 |
| 5268 | FULKERSON | Campbell County, WY | Gas Property | Nov 2010 |
| 5269 | FULKERSON | Daviess County, KY | Oil Property | Oct 2023 |
| 5270 | FULKERSON | Dawson County, TX | Oil & Gas Property | Mar 2026 |
| 5271 | FULKERSON 'B' | Morton County, KS | Gas Property | Aug 2025 |
| 5272 | FULKS | Coshocton County, OH | Oil Property | Dec 2025 |
| 5273 | FULL | Wirt County, WV | Oil & Gas Property | Dec 2018 |
| 5274 | FULL BAR | Andrews County, TX | Oil & Gas Property | Mar 2026 |
| 5275 | FULL CHOKE | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 5276 | FULL GOSPEL | Payne County, OK | Oil & Gas Property | Apr 2026 |
| 5277 | FULL HOUSE | Reagan County, TX | Oil & Gas Property | Mar 2026 |
| 5278 | FULL HOUSE 30 | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 5279 | FULL SAIL | Rio Arriba County, NM | Oil & Gas Property | May 2026 |
| 5280 | FULL SERVICE IN | Stafford County, KS | Oil Property | Jan 2026 |
| 5281 | FULL TANK 33 FED | Eddy County, NM | Oil & Gas Property | Jan 2012 |
| 5282 | FULL TILT 18 7 FEDERAL | Eddy County, NM | Oil & Gas Property | Apr 2026 |
| 5283 | FULL, LEWIS | Wirt County, WV | Oil & Gas Property | Jun 2012 |
| 5284 | FULLBRIGHT 1 | Caddo County, OK | Oil & Gas Property | Mar 2026 |
| 5285 | FULLEN | Leon County, TX | Oil & Gas Property | Mar 2026 |
| 5286 | FULLEN G | Leon County, TX | Oil & Gas Property | Mar 2026 |
| 5287 | FULLER | Scotts Bluff County, NE | Oil & Gas Property | Dec 2025 |
| 5288 | FULLER | Scurry County, TX | Oil & Gas Property | Mar 2026 |
| 5289 | FULLER | Campbell County, WY | Gas Property | Jun 2012 |
| 5290 | FULLER | Dunn County, ND | Oil & Gas Property | Apr 2026 |
| 5291 | FULLER | Nacogdoches County, TX | Oil & Gas Property | Mar 2026 |
| 5292 | FULLER | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 5293 | FULLER | Medina County, OH | Oil & Gas Property | Dec 2017 |
| 5294 | FULLER | Howard County, TX | Oil & Gas Property | Mar 2026 |
| 5295 | FULLER | Lincoln Parish, LA | Oil & Gas Property | Dec 2024 |
| 5296 | FULLER | Lane County, KS | Oil Property | Jan 2026 |
| 5297 | FULLER | Scurry County, TX | Oil & Gas Property | Mar 2026 |
| 5298 | FULLER | Parker County, TX | Gas Property | Mar 2026 |
| 5299 | FULLER | Ashtabula County, OH | Oil & Gas Property | Dec 2015 |
| 5300 | FULLER | Furnas County, NE | Oil Property | Dec 2025 |