| 301 | BLOWER | Fayette County, PA | Gas Property | Dec 2023 |
| 302 | BLUE BECK | Susquehanna County, PA | Gas Property | Feb 2024 |
| 303 | BLUE JAY | Forest County, PA | Oil & Gas Property | Dec 2023 |
| 304 | BLUE JAY | Warren County, PA | Oil & Gas Property | Dec 2023 |
| 305 | BLUE SKY | Clearfield County, PA | Gas Property | Dec 2023 |
| 306 | BLUE SKY | Jefferson County, PA | Gas Property | Dec 2023 |
| 307 | BLUE SKY 00 | Clearfield County, PA | Gas Property | Dec 2023 |
| 308 | BLUE SPRUCE | Indiana County, PA | Gas Property | Dec 2023 |
| 309 | BLUEBERRY HILL BRA | Bradford County, PA | Gas Property | Feb 2024 |
| 310 | BLUEGRASS | Susquehanna County, PA | Gas Property | Feb 2024 |
| 311 | BLUETOWN | Clarion County, PA | Oil & Gas Property | Dec 2023 |
| 312 | BLYE | Susquehanna County, PA | Gas Property | Feb 2024 |
| 313 | BOALS | Venango County, PA | Oil Property | Dec 2006 |
| 314 | BOARTS | Armstrong County, PA | Gas Property | Dec 2023 |
| 315 | BOARTS 0 | Armstrong County, PA | Gas Property | Dec 2023 |
| 316 | BOARTS 00 | Indiana County, PA | Gas Property | Dec 2023 |
| 317 | BOBBISH | Fayette County, PA | Gas Property | Feb 2024 |
| 318 | BOBELAK | Warren County, PA | Oil & Gas Property | Dec 2023 |
| 319 | BOBST A UNIT 2 | Lycoming County, PA | Gas Property | Feb 2024 |
| 320 | BOBST MOUNTAIN HUNTING CLUB | Lycoming County, PA | Gas Property | Feb 2024 |
| 321 | BOBST MTN HUNTING CLUB | Lycoming County, PA | Gas Property | Feb 2024 |
| 322 | BOBST UNIT 3 | Lycoming County, PA | Gas Property | Feb 2024 |
| 323 | BODNAR | Armstrong County, PA | Gas Property | Dec 2023 |
| 324 | BOGGS | Indiana County, PA | Gas Property | Dec 2023 |
| 325 | BOGREN (VLC) | Clearfield County, PA | Gas Property | Dec 2023 |
| 326 | BOLCATO G | Susquehanna County, PA | Gas Property | Feb 2024 |
| 327 | BOLE | Clarion County, PA | Gas Property | Dec 2023 |
| 328 | BOLLES | Susquehanna County, PA | Gas Property | Feb 2024 |
| 329 | BOLTENDAHL | Fayette County, PA | Gas Property | Dec 2023 |
| 330 | BOMAN | Susquehanna County, PA | Gas Property | Feb 2024 |
| 331 | BONACCI | Indiana County, PA | Gas Property | Dec 2023 |
| 332 | BONANTE | Clearfield County, PA | Gas Property | Dec 2023 |
| 333 | BOND | Jefferson County, PA | Gas Property | Dec 2023 |
| 334 | BONDI | Westmoreland County, PA | Gas Property | Feb 2024 |
| 335 | BONNELL RUN HUNTING & FISHING CORP | Lycoming County, PA | Gas Property | Feb 2024 |
| 336 | BONNICE | Susquehanna County, PA | Gas Property | Feb 2024 |
| 337 | BONNIE | Bradford County, PA | Gas Property | Feb 2024 |
| 338 | BONNY BROOK BYBK | McKean County, PA | Oil & Gas Property | Dec 2023 |
| 339 | BONSALL | Allegheny County, PA | Oil & Gas Property | Dec 2023 |
| 340 | BOOCKS | Venango County, PA | Oil & Gas Property | Dec 2023 |
| 341 | BOONE | Greene County, PA | Oil & Gas Property | Dec 2023 |
| 342 | BOONE | Armstrong County, PA | Gas Property | Dec 2023 |
| 343 | BOONE MT | Elk County, PA | Gas Property | Dec 2023 |
| 344 | BOOR 03 015 0 | Bradford County, PA | Gas Property | Feb 2024 |
| 345 | BOORD | Greene County, PA | Oil & Gas Property | Feb 2024 |
| 346 | BOOTH | Warren County, PA | Oil & Gas Property | Dec 2023 |
| 347 | BOREK | Susquehanna County, PA | Gas Property | Feb 2024 |
| 348 | BORLAND | Venango County, PA | Oil Property | Dec 1998 |
| 349 | BOROUGH OF VANDERGRIFT | Westmoreland County, PA | Oil & Gas Property | Dec 2023 |
| 350 | BORTZ CORPORATION | Fayette County, PA | Gas Property | Dec 2023 |
| 351 | BOSCH | Indiana County, PA | Gas Property | Dec 2023 |
| 352 | BOTTALI | Armstrong County, PA | Gas Property | Dec 2023 |
| 353 | BOVAIRD & CANAAN-BURNS | McKean County, PA | Oil & Gas Property | Dec 2015 |
| 354 | BOVARD DOROTHY UNIT | Allegheny County, PA | Gas Property | Feb 2024 |
| 355 | BOVINATOR | Washington County, PA | Gas Property | Feb 2024 |
| 356 | BOWER | Warren County, PA | Oil & Gas Property | Dec 2014 |
| 357 | BOWER UNIT | Lycoming County, PA | Gas Property | Feb 2024 |
| 358 | BOWERS UNIT 1 | Jefferson County, PA | Gas Property | Feb 2024 |
| 359 | BOWERSOX | Clarion County, PA | Gas Property | Dec 2022 |
| 360 | BOWERSOX 550 | Armstrong County, PA | Gas Property | Dec 2023 |
| 361 | BOWSER | Warren County, PA | Gas Property | Dec 2023 |
| 362 | BOWSER | Mercer County, PA | Oil & Gas Property | Jan 2024 |
| 363 | BOWSER | Fayette County, PA | Gas Property | Dec 2023 |
| 364 | BOWSER | Armstrong County, PA | Gas Property | Feb 2024 |
| 365 | BOWSER-DAVIS 00 | Armstrong County, PA | Gas Property | Dec 2023 |
| 366 | BOY SCOUTS | Sullivan County, PA | Gas Property | Feb 2024 |
| 367 | BOY SCOUTS NORTH UNIT | Sullivan County, PA | Gas Property | Feb 2024 |
| 368 | BOY SCOUTS OF AMERICA | Venango County, PA | Oil & Gas Property | Dec 2023 |
| 369 | BOYD CLAWSON | Indiana County, PA | Oil & Gas Property | Dec 2023 |
| 370 | BOYLE | Butler County, PA | Oil & Gas Property | Dec 2023 |
| 371 | BOYLE A UNIT | Butler County, PA | Gas Property | Feb 2024 |
| 372 | BRACE | Erie County, PA | Gas Property | Dec 2023 |
| 373 | BRACKMAN | Bradford County, PA | Gas Property | Feb 2024 |
| 374 | BRADDOCK | Greene County, PA | Gas Property | Feb 2024 |
| 375 | BRADDOCK | Greene County, PA | Oil & Gas Property | Dec 2023 |
| 376 | BRADFORD | Tioga County, PA | Gas Property | Feb 2024 |
| 377 | BRADFORD WATER AUTH | McKean County, PA | Oil & Gas Property | Dec 2023 |
| 378 | BRADSHAW | Crawford County, PA | Oil & Gas Property | Dec 2023 |
| 379 | BRADY | Fayette County, PA | Gas Property | Dec 2023 |
| 380 | BRADY | Indiana County, PA | Gas Property | Dec 2023 |
| 381 | BRADY 1 | Westmoreland County, PA | Gas Property | Nov 2015 |
| 382 | BRAMER | Warren County, PA | Oil & Gas Property | Dec 2023 |
| 383 | BRANT NORTH | Susquehanna County, PA | Gas Property | Feb 2024 |
| 384 | BRANT SOUTH | Susquehanna County, PA | Gas Property | Feb 2024 |
| 385 | BRANTHOOVER | Westmoreland County, PA | Oil & Gas Property | Dec 2023 |
| 386 | BRAWAND | Elk County, PA | Oil & Gas Property | Dec 2023 |
| 387 | BRAY | Susquehanna County, PA | Gas Property | Feb 2024 |
| 388 | BRAY | McKean County, PA | Oil & Gas Property | Dec 2023 |
| 389 | BRAZITIS D 0 | Susquehanna County, PA | Gas Property | Feb 2024 |
| 390 | BRAZZON | Fayette County, PA | Oil & Gas Property | Dec 2023 |
| 391 | BREAKNECK BEAGLE CLUB UNIT | Butler County, PA | Oil & Gas Property | Feb 2024 |
| 392 | BREENE | Venango County, PA | Oil & Gas Property | Dec 2023 |
| 393 | BREESE | Susquehanna County, PA | Gas Property | Feb 2024 |
| 394 | BREESE EMMA JO UNIT | Washington County, PA | Gas Property | Feb 2024 |
| 395 | BRELSFORD 01 086 0 | Bradford County, PA | Gas Property | Feb 2024 |
| 396 | BRENNAN | McKean County, PA | Oil & Gas Property | Dec 2023 |
| 397 | BRENOEL AB1 | Forest County, PA | Oil & Gas Property | Dec 2023 |
| 398 | BRESSLER | Clearfield County, PA | Gas Property | Dec 2023 |
| 399 | BREST M | Mercer County, PA | Gas Property | Dec 2023 |
| 400 | BRETT DAVENPORT | Indiana County, PA | Gas Property | Dec 2023 |