| 5701 | ONEIL | Warren County, PA | Oil Property | Dec 2025 |
| 5702 | ONEILL | Warren County, PA | Oil Property | Dec 2025 |
| 5703 | ONIFRO O | McKean County, PA | Oil & Gas Property | Dec 2005 |
| 5704 | OPACIC | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 5705 | ORENCHUK RUSSELL 11890 | Washington County, PA | Gas Property | Dec 2025 |
| 5706 | ORIN LEE NEAL | Jefferson County, PA | Gas Property | Dec 2025 |
| 5707 | ORIS | Mercer County, PA | Oil & Gas Property | Dec 2024 |
| 5708 | ORIS M. SCHRECENGOST | Armstrong County, PA | Oil & Gas Property | Dec 2025 |
| 5709 | ORLANDO HARMAN | Armstrong County, PA | Gas Property | Dec 2025 |
| 5710 | ORLOSKY | Mercer County, PA | Gas Property | Dec 2025 |
| 5711 | ORMSBY DEVONIAN | McKean County, PA | Gas Property | Dec 1993 |
| 5712 | OROURKE 05 046 0 | Bradford County, PA | Gas Property | Dec 2025 |
| 5713 | ORR 1 | Fayette County, PA | Oil & Gas Property | Dec 2025 |
| 5714 | ORR 2 | Fayette County, PA | Oil & Gas Property | Dec 2025 |
| 5715 | ORR 3 | Fayette County, PA | Oil & Gas Property | Dec 2025 |
| 5716 | ORTH B | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 5717 | ORTHODOX | Crawford County, PA | Oil & Gas Property | Dec 2025 |
| 5718 | ORTON | Washington County, PA | Oil & Gas Property | Oct 2025 |
| 5719 | ORTON | Erie County, PA | Gas Property | Dec 1986 |
| 5720 | ORVILLE | Indiana County, PA | Gas Property | Dec 2025 |
| 5721 | ORVILLE M WATSON | Indiana County, PA | Gas Property | Dec 2025 |
| 5722 | ORVILLE W. PRESCOTT | Clearfield County, PA | Gas Property | Dec 2025 |
| 5723 | ORWICK | Clearfield County, PA | Gas Property | Dec 2025 |
| 5724 | OS BURNHAM | Crawford County, PA | Gas Property | Dec 2017 |
| 5725 | OSCAR B GRANT | Elk County, PA | Oil & Gas Property | Dec 2025 |
| 5726 | OSCAR C BENSON | Jefferson County, PA | Gas Property | Dec 2025 |
| 5727 | OSCAR EARL HOUSER | Armstrong County, PA | Gas Property | Dec 2025 |
| 5728 | OSCAR J DRESSLER | Clearfield County, PA | Gas Property | Dec 2025 |
| 5729 | OSLEY | Fayette County, PA | Gas Property | Dec 2025 |
| 5730 | OSSESIA | Clarion County, PA | Gas Property | Dec 2025 |
| 5731 | OSSESSIA | Clarion County, PA | Gas Property | Dec 2025 |
| 5732 | OSTRANDER | Tioga County, PA | Gas Property | Dec 2025 |
| 5733 | OSTRICH | Greene County, PA | Gas Property | Dec 2025 |
| 5734 | OTIS | Bradford County, PA | Gas Property | Dec 2025 |
| 5735 | OTIS IRONS | McKean County, PA | Gas Property | Dec 2025 |
| 5736 | OTIS PROCIOUS ETAL | Armstrong County, PA | Oil & Gas Property | Dec 2025 |
| 5737 | OTT 1 | Warren County, PA | Gas Property | Dec 2024 |
| 5738 | OTT 2 | Warren County, PA | Gas Property | Dec 2024 |
| 5739 | OTTEN | Bradford County, PA | Gas Property | Dec 2025 |
| 5740 | OTTEN | Wyoming County, PA | Gas Property | Dec 2025 |
| 5741 | OTTER WELL SVC | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 5742 | OTTO CHEM | Elk County, PA | Gas Property | Dec 2025 |
| 5743 | OVER | Clarion County, PA | Gas Property | Dec 2025 |
| 5744 | OVER | Clarion County, PA | Oil & Gas Property | Dec 2025 |
| 5745 | OW PROPER | Elk County, PA | Gas Property | Dec 2025 |
| 5746 | OWENS | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 5747 | OZOG-THOMPSON 00 | Westmoreland County, PA | Gas Property | Dec 2025 |
| 5748 | P B SLEASE | Armstrong County, PA | Gas Property | Dec 2025 |
| 5749 | P CULLEN | Bradford County, PA | Gas Property | Dec 2025 |
| 5750 | P F EIS | Westmoreland County, PA | Gas Property | Dec 2025 |
| 5751 | P F RIGGLE | Armstrong County, PA | Gas Property | Dec 2025 |
| 5752 | P H C 58H | Clearfield County, PA | Gas Property | Dec 2025 |
| 5753 | P H DEETER NORTH | Venango County, PA | Gas Property | Dec 2024 |
| 5754 | P KELLEY | Susquehanna County, PA | Gas Property | Dec 2025 |
| 5755 | P LONG | Indiana County, PA | Gas Property | Dec 2025 |
| 5756 | P M DEETER | Venango County, PA | Oil & Gas Property | Dec 2025 |
| 5757 | P NICHOLS | Warren County, PA | Oil & Gas Property | Dec 2024 |
| 5758 | P P V CORP | Clearfield County, PA | Gas Property | Dec 2025 |
| 5759 | P R LONG | Westmoreland County, PA | Gas Property | Dec 2025 |
| 5760 | P R U E WEISTER | Westmoreland County, PA | Oil & Gas Property | Dec 2025 |
| 5761 | P RINNE | Washington County, PA | Gas Property | Dec 2025 |
| 5762 | P WALDENBERGER | Susquehanna County, PA | Gas Property | Dec 2025 |
| 5763 | P WELLS | Susquehanna County, PA | Gas Property | Dec 2025 |
| 5764 | P WINSLOW | Clarion County, PA | Oil & Gas Property | Dec 2025 |
| 5765 | P&G 4 UNIT P&G4 2H | Wyoming County, PA | Gas Property | Dec 2025 |
| 5766 | P&G WAREHOUSE UNIT | Wyoming County, PA | Gas Property | Dec 2025 |
| 5767 | P&G4 P&G | Wyoming County, PA | Gas Property | Dec 2025 |
| 5768 | P.T. SHERRY | Indiana County, PA | Gas Property | Dec 2025 |
| 5769 | PA CHIP CHOP | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 5770 | PA DEPT | Clearfield County, PA | Gas Property | Dec 2023 |
| 5771 | PA DEPT OF F & W | Potter County, PA | Gas Property | Dec 1985 |
| 5772 | PA DEPT OF FOREST & WATERS | Clearfield County, PA | Gas Property | Dec 1985 |
| 5773 | PA EAST SIDE LAND | Armstrong County, PA | Gas Property | Dec 2025 |
| 5774 | PA FORESTS & WATERS DEPT | Elk County, PA | Gas Property | Dec 2022 |
| 5775 | PA FORESTS & WATERS DEPT TRACT | Elk County, PA | Gas Property | Dec 2021 |
| 5776 | PA FORESTS & WATERS DEPT TRACT 27 | Elk County, PA | Oil & Gas Property | Dec 2009 |
| 5777 | PA GAME | Jefferson County, PA | Gas Property | Dec 2013 |
| 5778 | PA GAME COMM | Jefferson County, PA | Gas Property | Dec 2025 |
| 5779 | PA GAME COMM | Mercer County, PA | Gas Property | Dec 2023 |
| 5780 | PA GAME COMM FMLY A | Jefferson County, PA | Gas Property | Dec 2025 |
| 5781 | PA GAME COMM SGL | McKean County, PA | Oil & Gas Property | Dec 2011 |
| 5782 | PA GAME COMMISSION UNIT | Washington County, PA | Gas Property | Dec 2025 |
| 5783 | PA GAS CO 1 | Forest County, PA | Oil & Gas Property | Dec 2025 |
| 5784 | PA GAS WARRANT 3188 | Forest County, PA | Oil & Gas Property | Dec 2025 |
| 5785 | PA GAS WARRANT 3188 | Forest County, PA | Oil & Gas Property | Dec 2025 |
| 5786 | PA LAND HOLDINGS | Greene County, PA | Gas Property | Dec 2020 |
| 5787 | PA LAND HOLDINGS CO | Greene County, PA | Gas Property | Dec 2025 |
| 5788 | PA MINES | Cambria County, PA | Oil & Gas Property | Dec 2025 |
| 5789 | PA OIL CO TRACT | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 5790 | PA S FARM FAMILY UNIT A 1H | Bradford County, PA | Gas Property | Dec 2025 |
| 5791 | PA SGL 28 | Elk County, PA | Oil & Gas Property | Dec 2025 |
| 5792 | PA SGL 44 3 | Elk County, PA | Gas Property | Dec 2025 |
| 5793 | PA SGL 54 387 | Jefferson County, PA | Oil & Gas Property | Dec 2025 |
| 5794 | PA STATE FOREST | Jefferson County, PA | Oil & Gas Property | Dec 2025 |
| 5795 | PA STATE FOREST | Elk County, PA | Oil & Gas Property | Dec 2025 |
| 5796 | PA STATE FOREST | Jefferson County, PA | Oil & Gas Property | Dec 2025 |
| 5797 | PA STATE GAME | Jefferson County, PA | Oil & Gas Property | Dec 2025 |
| 5798 | PA STATE GAME | Elk County, PA | Gas Property | Dec 2025 |
| 5799 | PA STATE GAME L | Venango County, PA | Oil & Gas Property | Dec 2020 |
| 5800 | PA STATE GAME LAND | Elk County, PA | Oil & Gas Property | Dec 2025 |