| 301 | FIVE D BAR | Sheridan County, WY | Gas Property | Jun 2015 |
| 302 | FIVE MILE | Sweetwater County, WY | Oil & Gas Property | May 2025 |
| 303 | FIVE MILE | Washakie County, WY | Oil & Gas Property | Jun 2025 |
| 304 | FIVE MILE GULCH | Sweetwater County, WY | Oil & Gas Property | May 2025 |
| 305 | FLASH STATE 4076-13-24-1FH | Converse County, WY | Oil & Gas Property | Jun 2025 |
| 306 | FLAT CREEK | Campbell County, WY | Oil Property | Jun 2025 |
| 307 | FLAT TOP | Carbon County, WY | Oil & Gas Property | May 2025 |
| 308 | FLAT TOP HILL 3467-27 | Niobrara County, WY | Oil & Gas Property | Jun 2025 |
| 309 | FLAT TOP HILL 3567-11-23-2 NXH | Niobrara County, WY | Oil & Gas Property | Jun 2025 |
| 310 | FLATBOW | Campbell County, WY | Oil & Gas Property | Jun 2025 |
| 311 | FLATBOW | Campbell County, WY | Oil & Gas Property | Jun 2025 |
| 312 | FLATBOW | Campbell County, WY | Oil & Gas Property | Jun 2025 |
| 313 | FLEETWING | Johnson County, WY | Gas Property | Dec 2019 |
| 314 | FLEISCHMAN 44-71-14B-23 | Campbell County, WY | Oil & Gas Property | Jun 2025 |
| 315 | FLETCHER | Weston County, WY | Oil Property | Aug 2024 |
| 316 | FLETCHER CANYON CS | Campbell County, WY | Gas Property | May 2019 |
| 317 | FLINTLOCK CS FED | Campbell County, WY | Gas Property | Jun 2016 |
| 318 | FLOCCHINI | Campbell County, WY | Oil & Gas Property | Jun 2025 |
| 319 | FLOCCHINI | Campbell County, WY | Oil & Gas Property | Jun 2025 |
| 320 | FLOCCHINI | Campbell County, WY | Gas Property | Nov 2010 |
| 321 | FLOCCHINI | Campbell County, WY | Oil & Gas Property | Sep 1997 |
| 322 | FLORENCE PASS 3874-19-18-1NH | Converse County, WY | Oil & Gas Property | Jun 2025 |
| 323 | FLORES | Weston County, WY | Oil & Gas Property | Jun 2025 |
| 324 | FLOYD | Campbell County, WY | Gas Property | Jul 2017 |
| 325 | FLOYD | Sheridan County, WY | Gas Property | May 2012 |
| 326 | FLOYD | Campbell County, WY | Gas Property | Mar 2013 |
| 327 | FLOYD | Campbell County, WY | Gas Property | Apr 2013 |
| 328 | FLOYD | Johnson County, WY | Gas Property | May 2012 |
| 329 | FLOYD STATE | Campbell County, WY | Gas Property | Feb 2015 |
| 330 | FLOYD STATE 52 | Campbell County, WY | Gas Property | Dec 2015 |
| 331 | FLYING BUFFALO | Campbell County, WY | Gas Property | Jun 2012 |
| 332 | FLYING BUFFALO | Campbell County, WY | Oil & Gas Property | Jun 2025 |
| 333 | FLYING CS | Johnson County, WY | Gas Property | May 2023 |
| 334 | FLYING T | Campbell County, WY | Gas Property | Nov 2013 |
| 335 | FLYING T LAND FED | Campbell County, WY | Gas Property | Oct 2011 |
| 336 | FLYING V FED | Johnson County, WY | Oil & Gas Property | Jun 2025 |
| 337 | FOGARTY CREEK | Sublette County, WY | Oil & Gas Property | Jun 2025 |
| 338 | FOLKLORE COM | Campbell County, WY | Oil & Gas Property | Jun 2025 |
| 339 | FONTENELLE | Lincoln County, WY | Oil & Gas Property | Jun 2025 |
| 340 | FORD | Niobrara County, WY | Oil & Gas Property | Feb 1991 |
| 341 | FORD RANCH | Campbell County, WY | Gas Property | Jun 2015 |
| 342 | FOREST | Sweetwater County, WY | Oil & Gas Property | May 2025 |
| 343 | FORNSTROM | Laramie County, WY | Oil & Gas Property | Jun 2025 |
| 344 | FORTIN | Park County, WY | Oil & Gas Property | Jun 2025 |
| 345 | FOSNIGHT CS | Campbell County, WY | Gas Property | Jul 2015 |
| 346 | FOSSIL | Natrona County, WY | Oil & Gas Property | Mar 2019 |
| 347 | FOSTER SHELL | Weston County, WY | Oil Property | Nov 2019 |
| 348 | FOUR MILE CREEK | Campbell County, WY | Gas Property | Nov 2017 |
| 349 | FOUR MILE GULCH | Sweetwater County, WY | Oil & Gas Property | Jun 2025 |
| 350 | FOUR MILE SHEEP | Carbon County, WY | Oil & Gas Property | Dec 2010 |
| 351 | FOURBEAR | Park County, WY | Oil Property | Jun 2025 |
| 352 | FOURMILE CS FEDERAL | Campbell County, WY | Gas Property | Nov 2013 |
| 353 | FOURMILE FEDERAL COM 20H | Campbell County, WY | Oil & Gas Property | Jun 2025 |
| 354 | FOURT | Fremont County, WY | Oil Property | Jun 2025 |
| 355 | FOURTEEN MILE | Washakie County, WY | Oil & Gas Property | Nov 2015 |
| 356 | FOWLER | Natrona County, WY | Oil & Gas Property | Jun 2025 |
| 357 | FOWLER | Crook County, WY | Oil & Gas Property | Jun 2025 |
| 358 | FOX 1 | Campbell County, WY | Gas Property | May 2012 |
| 359 | FRANK FE | Campbell County, WY | Oil & Gas Property | Jun 2025 |
| 360 | FRANKLIN | Campbell County, WY | Gas Property | Jul 2011 |
| 361 | FRANNIE | Park County, WY | Oil & Gas Property | May 2025 |
| 362 | FRANNIE UNIT PATENT | Park County, WY | Oil & Gas Property | May 1985 |
| 363 | FRANNIE UT SECONDARY | Park County, WY | Oil & Gas Property | May 2025 |
| 364 | FRAZIER | Campbell County, WY | Oil & Gas Property | Dec 2024 |
| 365 | FRED HOPKA 1 | Big Horn County, WY | Oil & Gas Property | Jun 2025 |
| 366 | FREEMAN | Park County, WY | Oil & Gas Property | Jun 2025 |
| 367 | FREIMUTH | Campbell County, WY | Gas Property | May 2011 |
| 368 | FREUDENTHAL | Hot Springs County, WY | Oil Property | Feb 2016 |
| 369 | FREWEN | Sweetwater County, WY | Oil & Gas Property | May 2025 |
| 370 | FREWEN | Sweetwater County, WY | Oil & Gas Property | May 2025 |
| 371 | FREWEN | Sweetwater County, WY | Oil & Gas Property | May 2025 |
| 372 | FRIGATE CS FED | Johnson County, WY | Gas Property | May 2023 |
| 373 | FRISBY | Hot Springs County, WY | Oil Property | Aug 1996 |
| 374 | FRISBY | Park County, WY | Oil & Gas Property | Jun 2025 |
| 375 | FRISBY SOUTH | Washakie County, WY | Oil & Gas Property | Jun 2025 |
| 376 | FRYE | Converse County, WY | Oil & Gas Property | May 2025 |
| 377 | FRYE | Campbell County, WY | Oil Property | Jun 2025 |
| 378 | FTUN 149 | Sweetwater County, WY | Oil & Gas Property | Jun 2025 |
| 379 | FULKERSON | Campbell County, WY | Gas Property | Feb 2011 |
| 380 | FULLER | Campbell County, WY | Gas Property | Jun 2012 |
| 381 | FULLER FE | Campbell County, WY | Gas Property | Jun 2013 |
| 382 | FULLER FEDERAL | Campbell County, WY | Gas Property | Jun 2012 |
| 383 | FULLER FEDERAL | Fremont County, WY | Oil & Gas Property | May 2012 |
| 384 | FULLER RANCH | Campbell County, WY | Oil & Gas Property | Jun 2025 |
| 385 | FULLER RES | Fremont County, WY | Oil & Gas Property | Oct 2024 |
| 386 | FULLER STATE 36 | Fremont County, WY | Gas Property | Jun 2009 |
| 387 | FURBALL FED 4271-28 | Campbell County, WY | Oil & Gas Property | Jun 2025 |
| 388 | FURY | Laramie County, WY | Oil & Gas Property | Jun 2025 |