| 601 | BLAIR PETERMAN | Indiana County, PA | Gas Property | Dec 2023 |
| 602 | BLAIR SCHAWL ETUX | Armstrong County, PA | Oil & Gas Property | Dec 2023 |
| 603 | BLAIRSVILLE | Westmoreland County, PA | Gas Property | Dec 2023 |
| 604 | BLAISURE J | Susquehanna County, PA | Gas Property | Jan 2024 |
| 605 | BLAKER | Greene County, PA | Oil & Gas Property | Dec 2023 |
| 606 | BLAKER/MINOR | Greene County, PA | Gas Property | Jan 2024 |
| 607 | BLANEY | Armstrong County, PA | Gas Property | Jan 2024 |
| 608 | BLANEY | Fayette County, PA | Gas Property | Dec 2023 |
| 609 | BLANK | Venango County, PA | Oil & Gas Property | Dec 2021 |
| 610 | BLANNARD | Bradford County, PA | Gas Property | Jan 2024 |
| 611 | BLAZEK | Indiana County, PA | Gas Property | Dec 2023 |
| 612 | BLEW LEASE | McKean County, PA | Oil & Gas Property | Dec 2018 |
| 613 | BLISS | Tioga County, PA | Gas Property | Jan 2024 |
| 614 | BLOOM | Clearfield County, PA | Gas Property | Dec 2023 |
| 615 | BLOOM UNIT | Butler County, PA | Gas Property | Jan 2024 |
| 616 | BLOSE FEE A ( | Clearfield County, PA | Gas Property | Dec 2023 |
| 617 | BLOSE MCGREGOR | Jefferson County, PA | Gas Property | Dec 2023 |
| 618 | BLOSE-STITEL | Indiana County, PA | Oil & Gas Property | Dec 2023 |
| 619 | BLOWER | Fayette County, PA | Gas Property | Dec 2023 |
| 620 | BLUE BECK | Susquehanna County, PA | Gas Property | Jan 2024 |
| 621 | BLUE JAY | Forest County, PA | Oil & Gas Property | Dec 2023 |
| 622 | BLUE JAY | Warren County, PA | Oil & Gas Property | Dec 2023 |
| 623 | BLUE SKY | Clearfield County, PA | Gas Property | Dec 2023 |
| 624 | BLUE SKY | Jefferson County, PA | Gas Property | Dec 2023 |
| 625 | BLUE SKY 00 | Clearfield County, PA | Gas Property | Dec 2023 |
| 626 | BLUE SPRUCE | Indiana County, PA | Gas Property | Dec 2023 |
| 627 | BLUEBERRY HILL BRA | Bradford County, PA | Gas Property | Jan 2024 |
| 628 | BLUEGRASS | Susquehanna County, PA | Gas Property | Jan 2024 |
| 629 | BLUETOWN | Clarion County, PA | Oil & Gas Property | Dec 2023 |
| 630 | BLYE | Susquehanna County, PA | Gas Property | Jan 2024 |
| 631 | BOALS | Venango County, PA | Oil Property | Dec 2006 |
| 632 | BOARTS | Armstrong County, PA | Gas Property | Dec 2023 |
| 633 | BOARTS 0 | Armstrong County, PA | Gas Property | Dec 2023 |
| 634 | BOARTS 00 | Indiana County, PA | Gas Property | Dec 2023 |
| 635 | BOBBISH | Fayette County, PA | Gas Property | Jan 2024 |
| 636 | BOBELAK | Warren County, PA | Oil & Gas Property | Dec 2023 |
| 637 | BOBST A UNIT 2 | Lycoming County, PA | Gas Property | Jan 2024 |
| 638 | BOBST MOUNTAIN HUNTING CLUB | Lycoming County, PA | Gas Property | Jan 2024 |
| 639 | BOBST MTN HUNTING CLUB | Lycoming County, PA | Gas Property | Jan 2024 |
| 640 | BOBST UNIT 3 | Lycoming County, PA | Gas Property | Jan 2024 |
| 641 | BODNAR | Armstrong County, PA | Gas Property | Dec 2023 |
| 642 | BOGGS | Indiana County, PA | Gas Property | Dec 2023 |
| 643 | BOGREN (VLC) | Clearfield County, PA | Gas Property | Dec 2023 |
| 644 | BOLCATO G | Susquehanna County, PA | Gas Property | Jan 2024 |
| 645 | BOLE | Clarion County, PA | Gas Property | Dec 2023 |
| 646 | BOLLES | Susquehanna County, PA | Gas Property | Jan 2024 |
| 647 | BOLTENDAHL | Fayette County, PA | Gas Property | Dec 2023 |
| 648 | BOMAN | Susquehanna County, PA | Gas Property | Jan 2024 |
| 649 | BON-DE INC UNIT | Washington County, PA | Gas Property | Jan 2024 |
| 650 | BONACCI | Indiana County, PA | Gas Property | Dec 2023 |
| 651 | BONANTE | Clearfield County, PA | Gas Property | Dec 2023 |
| 652 | BOND | Jefferson County, PA | Gas Property | Dec 2023 |
| 653 | BONDI | Westmoreland County, PA | Gas Property | Jan 2024 |
| 654 | BONNELL RUN HUNTING & FISHING CORP | Lycoming County, PA | Gas Property | Jan 2024 |
| 655 | BONNICE | Susquehanna County, PA | Gas Property | Jan 2024 |
| 656 | BONNIE | Bradford County, PA | Gas Property | Jan 2024 |
| 657 | BONNY BROOK BYBK | McKean County, PA | Oil & Gas Property | Dec 2023 |
| 658 | BONSALL | Allegheny County, PA | Oil & Gas Property | Dec 2023 |
| 659 | BOOCKS | Venango County, PA | Oil & Gas Property | Dec 2023 |
| 660 | BOONE | Greene County, PA | Oil & Gas Property | Dec 2023 |
| 661 | BOONE | Armstrong County, PA | Gas Property | Dec 2023 |
| 662 | BOONE MT | Elk County, PA | Gas Property | Dec 2023 |
| 663 | BOOR 03 015 0 | Bradford County, PA | Gas Property | Jan 2024 |
| 664 | BOORD | Greene County, PA | Oil & Gas Property | Jan 2024 |
| 665 | BOOTH | Warren County, PA | Oil & Gas Property | Dec 2023 |
| 666 | BOREK | Susquehanna County, PA | Gas Property | Jan 2024 |
| 667 | BORLAND | Venango County, PA | Oil Property | Dec 1998 |
| 668 | BOROUGH OF VANDERGRIFT | Westmoreland County, PA | Oil & Gas Property | Dec 2023 |
| 669 | BORTZ CORPORATION | Fayette County, PA | Gas Property | Dec 2023 |
| 670 | BOSCH | Indiana County, PA | Gas Property | Dec 2023 |
| 671 | BOTTALI | Armstrong County, PA | Gas Property | Dec 2023 |
| 672 | BOVAIRD & CANAAN-BURNS | McKean County, PA | Oil & Gas Property | Dec 2015 |
| 673 | BOVARD DOROTHY UNIT | Allegheny County, PA | Gas Property | Jan 2024 |
| 674 | BOVINATOR | Washington County, PA | Gas Property | Jan 2024 |
| 675 | BOWER | Warren County, PA | Oil & Gas Property | Dec 2014 |
| 676 | BOWER UNIT | Lycoming County, PA | Gas Property | Jan 2024 |
| 677 | BOWERS UNIT 1 | Jefferson County, PA | Gas Property | Jan 2024 |
| 678 | BOWERSOX | Clarion County, PA | Gas Property | Dec 2022 |
| 679 | BOWERSOX 550 | Armstrong County, PA | Gas Property | Dec 2023 |
| 680 | BOWSER | Warren County, PA | Gas Property | Dec 2023 |
| 681 | BOWSER | Mercer County, PA | Oil & Gas Property | Jan 2024 |
| 682 | BOWSER | Fayette County, PA | Gas Property | Dec 2023 |
| 683 | BOWSER | Armstrong County, PA | Gas Property | Jan 2024 |
| 684 | BOWSER-DAVIS 00 | Armstrong County, PA | Gas Property | Dec 2023 |
| 685 | BOY SCOUTS | Sullivan County, PA | Gas Property | Jan 2024 |
| 686 | BOY SCOUTS NORTH UNIT | Sullivan County, PA | Gas Property | Jan 2024 |
| 687 | BOY SCOUTS OF AMERICA | Venango County, PA | Oil & Gas Property | Dec 2023 |
| 688 | BOYD CLAWSON | Indiana County, PA | Oil & Gas Property | Dec 2023 |
| 689 | BOYLE | Butler County, PA | Oil & Gas Property | Dec 2023 |
| 690 | BOYLE A UNIT | Butler County, PA | Gas Property | Jan 2024 |
| 691 | BRACE | Erie County, PA | Gas Property | Dec 2023 |
| 692 | BRACKMAN | Bradford County, PA | Gas Property | Jan 2024 |
| 693 | BRADDOCK | Greene County, PA | Gas Property | Jan 2024 |
| 694 | BRADDOCK | Greene County, PA | Oil & Gas Property | Dec 2023 |
| 695 | BRADFORD | Tioga County, PA | Gas Property | Jan 2024 |
| 696 | BRADFORD WATER AUTH | McKean County, PA | Oil & Gas Property | Dec 2023 |
| 697 | BRADSHAW | Crawford County, PA | Oil & Gas Property | Dec 2023 |
| 698 | BRADY | Fayette County, PA | Gas Property | Dec 2023 |
| 699 | BRADY | Indiana County, PA | Gas Property | Dec 2023 |
| 700 | BRADY 1 | Westmoreland County, PA | Gas Property | Nov 2015 |