| 301 | BRIDLE BIT | Campbell County, WY | Gas Property | Nov 2015 |
| 302 | BRIDLE BIT | Campbell County, WY | Oil & Gas Property | Mar 2026 |
| 303 | BRIDLE BIT | Campbell County, WY | Oil & Gas Property | Mar 2026 |
| 304 | BRIDLE BIT RANCH 3 | Campbell County, WY | Gas Property | Nov 2015 |
| 305 | BRINKERHOFF | Sheridan County, WY | Gas Property | Jun 2015 |
| 306 | BRINKERHOFF TRIBAL | Fremont County, WY | Oil & Gas Property | Aug 2022 |
| 307 | BRISLAWN | Crook County, WY | Oil & Gas Property | Oct 2019 |
| 308 | BROADHEAD | Campbell County, WY | Oil & Gas Property | Mar 2026 |
| 309 | BRONC 33-4-35-67 | Converse County, WY | Oil & Gas Property | Mar 2026 |
| 310 | BROOKS FED 5375-33-16-10 MDH | Campbell County, WY | Oil & Gas Property | Mar 2026 |
| 311 | BROOKS RANCH | Natrona County, WY | Oil & Gas Property | Oct 2025 |
| 312 | BROOM CS FED | Johnson County, WY | Gas Property | Aug 2018 |
| 313 | BROWN | Campbell County, WY | Oil & Gas Property | Mar 2026 |
| 314 | BROWN | Campbell County, WY | Gas Property | Jun 2012 |
| 315 | BROWN | Big Horn County, WY | Oil Property | Jun 1984 |
| 316 | BROWN | Weston County, WY | Oil & Gas Property | Mar 2026 |
| 317 | BROWN | Campbell County, WY | Gas Property | May 2012 |
| 318 | BROWN OS | Campbell County, WY | Gas Property | Jul 2015 |
| 319 | BROWN STATE | Campbell County, WY | Oil Property | Mar 2026 |
| 320 | BROWN TRUST | Campbell County, WY | Gas Property | Aug 2009 |
| 321 | BROWN/OEDEKOVEN | Campbell County, WY | Gas Property | Aug 2009 |
| 322 | BROWNIE FED 3572-1123 | Converse County, WY | Oil & Gas Property | Apr 2026 |
| 323 | BROWNING | Carbon County, WY | Oil & Gas Property | Jan 2018 |
| 324 | BRUBAKER | Johnson County, WY | Gas Property | Mar 2026 |
| 325 | BRUCE | Weston County, WY | Oil & Gas Property | Mar 2026 |
| 326 | BRUCE FE | Weston County, WY | Oil & Gas Property | Apr 2002 |
| 327 | BRUCE FED 3571-2 | Converse County, WY | Oil & Gas Property | Apr 2026 |
| 328 | BRUCE-TAVEGIE | Weston County, WY | Oil & Gas Property | Mar 2026 |
| 329 | BRUFF | Sweetwater County, WY | Oil & Gas Property | Mar 2026 |
| 330 | BRUFF FEDERAL | Sweetwater County, WY | Oil & Gas Property | Mar 2026 |
| 331 | BRUFF FEDERAL | Uinta County, WY | Oil & Gas Property | Mar 2026 |
| 332 | BRUG | Campbell County, WY | Gas Property | Jun 2015 |
| 333 | BRUG FED | Campbell County, WY | Gas Property | Jun 2015 |
| 334 | BRUNER | Weston County, WY | Oil & Gas Property | Jan 2026 |
| 335 | BRUSHY CREEK | Converse County, WY | Oil & Gas Property | Apr 2026 |
| 336 | BS FEDERAL 12 | Sweetwater County, WY | Oil & Gas Property | Mar 2026 |
| 337 | BSU 0 | Carbon County, WY | Oil & Gas Property | Mar 2026 |
| 338 | BSU 1 | Carbon County, WY | Oil & Gas Property | Mar 2026 |
| 339 | BSU 1 | Carbon County, WY | Oil & Gas Property | Mar 2026 |
| 340 | BSU 3 | Carbon County, WY | Oil & Gas Property | Mar 2026 |
| 341 | BTP 5172 1 | Campbell County, WY | Gas Property | May 2006 |
| 342 | BTU (BRANAMAN) 24 | Weston County, WY | Oil & Gas Property | Sep 1988 |
| 343 | BTU (SEDGWICK) 25 | Weston County, WY | Oil & Gas Property | Jun 1986 |
| 344 | BU 11-33 | Converse County, WY | Oil & Gas Property | Mar 2026 |
| 345 | BU 22-30-35-67 | Converse County, WY | Oil & Gas Property | Mar 2026 |
| 346 | BU 24-32-35-67 | Converse County, WY | Oil & Gas Property | Mar 2026 |
| 347 | BUCK | Lincoln County, WY | Oil & Gas Property | Mar 2026 |
| 348 | BUCK | Niobrara County, WY | Oil & Gas Property | Mar 2026 |
| 349 | BUCK DRAW | Sweetwater County, WY | Oil & Gas Property | Mar 2026 |
| 350 | BUCKAROO 0 | Laramie County, WY | Oil & Gas Property | Jan 2022 |
| 351 | BUCKAROO 1 | Laramie County, WY | Oil & Gas Property | Mar 2026 |
| 352 | BUCKAROO 2 | Laramie County, WY | Oil & Gas Property | Mar 2026 |
| 353 | BUCKEYE | Sweetwater County, WY | Oil & Gas Property | Nov 2023 |
| 354 | BUCKHORN | Sweetwater County, WY | Oil & Gas Property | Nov 2013 |
| 355 | BUCKIN BRONC FED | Campbell County, WY | Oil & Gas Property | Mar 2026 |
| 356 | BUCKO CS | Campbell County, WY | Gas Property | Dec 2013 |
| 357 | BUCKSKIN | Campbell County, WY | Gas Property | May 2011 |
| 358 | BUCKSKIN CS FED | Campbell County, WY | Gas Property | Jan 2014 |
| 359 | BUCKY FED 3671-11-2 | Converse County, WY | Oil & Gas Property | Mar 2026 |
| 360 | BUFFALO | Johnson County, WY | Oil & Gas Property | Mar 2026 |
| 361 | BUFFALO FED 28-33H | Niobrara County, WY | Oil & Gas Property | Mar 2026 |
| 362 | BUFFALO HUMP | Sweetwater County, WY | Oil & Gas Property | Oct 2010 |
| 363 | BULKLEY | Sheridan County, WY | Gas Property | Mar 2009 |
| 364 | BULL CANYON | Laramie County, WY | Oil & Gas Property | Mar 2026 |
| 365 | BULL MOOSE | Carbon County, WY | Oil & Gas Property | Aug 2014 |
| 366 | BULLFROG | Natrona County, WY | Oil & Gas Property | Mar 2026 |
| 367 | BULLSBROOK | Converse County, WY | Oil & Gas Property | Apr 2026 |
| 368 | BULLSEYE | Niobrara County, WY | Oil Property | Mar 2026 |
| 369 | BULLWHACKER CREEK UN | Johnson County, WY | Gas Property | Mar 2026 |
| 370 | BUNN FEDERAL | Campbell County, WY | Oil & Gas Property | Mar 2026 |
| 371 | BUNTEN | Campbell County, WY | Oil & Gas Property | Aug 2024 |
| 372 | BURCH 1 | Crook County, WY | Oil & Gas Property | Apr 2026 |
| 373 | BURGER DRAW CS FED | Johnson County, WY | Gas Property | Nov 2019 |
| 374 | BURGESS | Sheridan County, WY | Gas Property | Mar 2014 |
| 375 | BURGESS LAND | Sheridan County, WY | Gas Property | Mar 2014 |
| 376 | BURGESS STATE | Sheridan County, WY | Gas Property | Mar 2014 |
| 377 | BURKE RANCH | Natrona County, WY | Oil & Gas Property | Apr 2026 |
| 378 | BURLINGTON NORTHERN | Park County, WY | Oil & Gas Property | Mar 2026 |
| 379 | BURLY | Sublette County, WY | Oil & Gas Property | Feb 2026 |
| 380 | BURNETT | Campbell County, WY | Oil & Gas Property | Sep 2023 |
| 381 | BURNS | Laramie County, WY | Oil & Gas Property | Mar 2026 |
| 382 | BURR FEDERAL | Natrona County, WY | Oil & Gas Property | Feb 2026 |
| 383 | BURROWS | Crook County, WY | Oil & Gas Property | Apr 2026 |
| 384 | BURROWS A FEDERAL | Crook County, WY | Oil & Gas Property | Apr 2026 |
| 385 | BUSHWHACKER FED | Johnson County, WY | Oil & Gas Property | Mar 2026 |
| 386 | BUSTARD | Converse County, WY | Oil & Gas Property | Mar 2026 |
| 387 | BUSTER FEDERAL 3502 35-73 | Converse County, WY | Oil & Gas Property | Mar 2026 |
| 388 | BUTCH | Campbell County, WY | Oil & Gas Property | Apr 2026 |
| 389 | BUTCHER | Weston County, WY | Oil & Gas Property | Jun 2020 |
| 390 | BUTCHER | Campbell County, WY | Gas Property | Apr 2012 |
| 391 | BUTCHER | Campbell County, WY | Gas Property | May 2013 |
| 392 | BUTCHER KNIFE | Uinta County, WY | Oil & Gas Property | Mar 2026 |
| 393 | BUTLER | Weston County, WY | Oil Property | Feb 2003 |
| 394 | BUTTE | Niobrara County, WY | Oil Property | Mar 2026 |
| 395 | BUTTERFLY 13 | Laramie County, WY | Oil & Gas Property | Mar 2026 |
| 396 | BUTTERMILK 22-1 | Carbon County, WY | Oil & Gas Property | Mar 2026 |
| 397 | BUTTERMILK STATE 3976-15-22-1FH | Converse County, WY | Oil & Gas Property | Mar 2026 |
| 398 | BUTTRAM | Weston County, WY | Oil & Gas Property | Apr 2026 |
| 399 | BUW ALLEMAND 3875-12-13-2N2H | Converse County, WY | Oil & Gas Property | Mar 2026 |
| 400 | BUZZARD FEDERAL | Sweetwater County, WY | Oil & Gas Property | Nov 2024 |