| 301 | FILLMORE | Carbon County, WY | Oil & Gas Property | May 2007 |
| 302 | FILLMORE FEE STATE | Carbon County, WY | Oil & Gas Property | Nov 2025 |
| 303 | FINCH 1 | Campbell County, WY | Oil & Gas Property | Dec 2025 |
| 304 | FINLEY STATE | Niobrara County, WY | Oil & Gas Property | Sep 2022 |
| 305 | FINN | Weston County, WY | Oil & Gas Property | Dec 2025 |
| 306 | FISHER | Weston County, WY | Oil & Gas Property | Dec 2025 |
| 307 | FISHTOOTH | Natrona County, WY | Oil Property | Mar 2019 |
| 308 | FITCH | Campbell County, WY | Gas Property | Oct 2017 |
| 309 | FITCH BLM | Campbell County, WY | Gas Property | Oct 2017 |
| 310 | FITCH CANYON | Campbell County, WY | Gas Property | Mar 2015 |
| 311 | FIVE D BAR | Sheridan County, WY | Gas Property | Jun 2015 |
| 312 | FIVE MILE | Sweetwater County, WY | Oil & Gas Property | Nov 2025 |
| 313 | FIVE MILE | Sweetwater County, WY | Oil & Gas Property | Nov 2025 |
| 314 | FIVE MILE | Washakie County, WY | Oil & Gas Property | Dec 2025 |
| 315 | FIVE MILE GULCH | Sweetwater County, WY | Oil & Gas Property | Nov 2025 |
| 316 | FIVE MILE GULCH UNIT 9 | Sweetwater County, WY | Oil & Gas Property | Nov 2025 |
| 317 | FLASH STATE 4076-13-24-1FH | Converse County, WY | Oil & Gas Property | Dec 2025 |
| 318 | FLAT CREEK | Campbell County, WY | Oil Property | Dec 2025 |
| 319 | FLAT TOP | Carbon County, WY | Oil & Gas Property | Nov 2025 |
| 320 | FLAT TOP HILL 3467-27 | Niobrara County, WY | Oil & Gas Property | Dec 2025 |
| 321 | FLAT TOP HILL 3567-11-23-2 NXH | Niobrara County, WY | Oil & Gas Property | Dec 2025 |
| 322 | FLATBOW | Campbell County, WY | Oil & Gas Property | Dec 2025 |
| 323 | FLATBOW | Campbell County, WY | Oil & Gas Property | Dec 2025 |
| 324 | FLATBOW | Campbell County, WY | Oil & Gas Property | Dec 2025 |
| 325 | FLEETWING | Johnson County, WY | Gas Property | Dec 2019 |
| 326 | FLEISCHMAN 44-71-14B-23 | Campbell County, WY | Oil & Gas Property | Dec 2025 |
| 327 | FLETCHER | Weston County, WY | Oil Property | Aug 2024 |
| 328 | FLETCHER CANYON CS | Campbell County, WY | Gas Property | Jun 2019 |
| 329 | FLINTLOCK CS FED | Campbell County, WY | Gas Property | Jun 2016 |
| 330 | FLOCCHINI | Campbell County, WY | Oil & Gas Property | Dec 2025 |
| 331 | FLOCCHINI | Campbell County, WY | Oil & Gas Property | Dec 2025 |
| 332 | FLOCCHINI | Campbell County, WY | Gas Property | Nov 2010 |
| 333 | FLOCCHINI | Campbell County, WY | Oil & Gas Property | Sep 1997 |
| 334 | FLORENCE 9-3 | Fremont County, WY | Oil & Gas Property | Dec 2025 |
| 335 | FLORENCE PASS 3874-19-18-1NH | Converse County, WY | Oil & Gas Property | Dec 2025 |
| 336 | FLORES | Weston County, WY | Oil & Gas Property | Dec 2025 |
| 337 | FLOYD | Campbell County, WY | Gas Property | Jul 2017 |
| 338 | FLOYD | Sheridan County, WY | Gas Property | May 2012 |
| 339 | FLOYD | Campbell County, WY | Gas Property | Apr 2013 |
| 340 | FLOYD | Johnson County, WY | Gas Property | May 2012 |
| 341 | FLOYD FED 5175-2 | Campbell County, WY | Gas Property | Mar 2013 |
| 342 | FLOYD STATE | Campbell County, WY | Gas Property | Feb 2015 |
| 343 | FLOYD STATE 52 | Campbell County, WY | Gas Property | Apr 2016 |
| 344 | FLYING BUFFALO | Campbell County, WY | Gas Property | Jun 2012 |
| 345 | FLYING BUFFALO | Campbell County, WY | Oil & Gas Property | Dec 2025 |
| 346 | FLYING CS | Johnson County, WY | Gas Property | May 2023 |
| 347 | FLYING T | Campbell County, WY | Gas Property | Nov 2013 |
| 348 | FLYING T LAND FED | Campbell County, WY | Gas Property | Nov 2011 |
| 349 | FLYING V FED | Johnson County, WY | Oil & Gas Property | Nov 2025 |
| 350 | FOGARTY CREEK | Sublette County, WY | Oil & Gas Property | Nov 2025 |
| 351 | FOLKLORE COM | Campbell County, WY | Oil & Gas Property | Dec 2025 |
| 352 | FONTENELL II UNIT | Lincoln County, WY | Oil & Gas Property | Dec 2025 |
| 353 | FONTENELLE | Lincoln County, WY | Oil & Gas Property | Dec 2025 |
| 354 | FONTENELLE UNIT 22-12 | Lincoln County, WY | Oil & Gas Property | Dec 2025 |
| 355 | FORD | Niobrara County, WY | Oil & Gas Property | Feb 1991 |
| 356 | FORD RANCH | Campbell County, WY | Gas Property | Jun 2015 |
| 357 | FOREST | Sweetwater County, WY | Oil & Gas Property | Nov 2025 |
| 358 | FORNSTROM | Laramie County, WY | Oil & Gas Property | Dec 2025 |
| 359 | FORT RENO | Johnson County, WY | Oil & Gas Property | Nov 2025 |
| 360 | FORTIN | Park County, WY | Oil & Gas Property | Nov 2025 |
| 361 | FOSNIGHT CS | Campbell County, WY | Gas Property | Jul 2015 |
| 362 | FOSSIL | Natrona County, WY | Oil & Gas Property | Mar 2019 |
| 363 | FOSTER SHELL | Weston County, WY | Oil Property | Nov 2019 |
| 364 | FOUR MILE CREEK | Campbell County, WY | Gas Property | Nov 2017 |
| 365 | FOUR MILE GULCH | Sweetwater County, WY | Oil & Gas Property | Dec 2025 |
| 366 | FOUR MILE SHEEP | Carbon County, WY | Oil & Gas Property | Dec 2010 |
| 367 | FOURBEAR | Park County, WY | Oil Property | Dec 2025 |
| 368 | FOURMILE CS FEDERAL | Campbell County, WY | Gas Property | Nov 2013 |
| 369 | FOURMILE FEDERAL COM 20H | Campbell County, WY | Oil & Gas Property | Dec 2025 |
| 370 | FOURT | Fremont County, WY | Oil Property | Nov 2025 |
| 371 | FOURTEEN MILE | Washakie County, WY | Oil & Gas Property | Nov 2015 |
| 372 | FOWLER | Natrona County, WY | Oil & Gas Property | Dec 2025 |
| 373 | FOWLER | Crook County, WY | Oil & Gas Property | Dec 2025 |
| 374 | FOX 1 | Campbell County, WY | Gas Property | May 2012 |
| 375 | FRANK FE | Campbell County, WY | Oil & Gas Property | Nov 2025 |
| 376 | FRANKLIN | Campbell County, WY | Gas Property | Jul 2011 |
| 377 | FRANNIE | Park County, WY | Oil & Gas Property | Dec 2025 |
| 378 | FRANNIE UNIT PATENT | Park County, WY | Oil & Gas Property | May 1985 |
| 379 | FRANNIE UT SECONDARY | Park County, WY | Oil & Gas Property | Dec 2025 |
| 380 | FRANNY UT SECONDARY 99 | Park County, WY | Oil & Gas Property | Dec 2025 |
| 381 | FRAZIER | Campbell County, WY | Oil & Gas Property | Nov 2025 |
| 382 | FRED HOPKA 1 | Big Horn County, WY | Oil & Gas Property | Nov 2025 |
| 383 | FRED L BARLOW | Campbell County, WY | Oil & Gas Property | Nov 2025 |
| 384 | FREEMAN | Park County, WY | Oil & Gas Property | Nov 2025 |
| 385 | FREIMUTH | Campbell County, WY | Gas Property | May 2011 |
| 386 | FREUDENTHAL | Hot Springs County, WY | Oil Property | Feb 2016 |
| 387 | FREWEN | Sweetwater County, WY | Oil & Gas Property | Nov 2025 |
| 388 | FREWEN | Sweetwater County, WY | Oil & Gas Property | Nov 2025 |
| 389 | FREWEN | Sweetwater County, WY | Oil & Gas Property | Nov 2025 |
| 390 | FRIGATE CS FED | Johnson County, WY | Gas Property | May 2023 |
| 391 | FRISBY | Hot Springs County, WY | Oil Property | Aug 1996 |
| 392 | FRISBY | Park County, WY | Oil & Gas Property | Nov 2025 |
| 393 | FRISBY SOUTH | Washakie County, WY | Oil & Gas Property | Dec 2025 |
| 394 | FRYE | Campbell County, WY | Oil & Gas Property | Dec 2025 |
| 395 | FRYE | Converse County, WY | Oil & Gas Property | Nov 2025 |
| 396 | FRYE | Campbell County, WY | Oil Property | Aug 2025 |
| 397 | FTUN 1495-S | Sweetwater County, WY | Oil & Gas Property | Nov 2025 |
| 398 | FULKERSON | Campbell County, WY | Gas Property | Mar 2011 |
| 399 | FULLER | Campbell County, WY | Gas Property | Jun 2012 |
| 400 | FULLER FE | Campbell County, WY | Gas Property | Jun 2013 |