| 7901 | W MULLET | Mercer County, PA | Gas Property | Dec 2025 |
| 7902 | W ORR | Fayette County, PA | Gas Property | Dec 2025 |
| 7903 | W P GRAFF | Indiana County, PA | Gas Property | Dec 2025 |
| 7904 | W P MOWR | Armstrong County, PA | Gas Property | Dec 2025 |
| 7905 | W R SMITH | Westmoreland County, PA | Gas Property | Dec 2025 |
| 7906 | W R THOMPSON | Armstrong County, PA | Gas Property | Dec 2025 |
| 7907 | W ROBERTS | Mercer County, PA | Oil Property | Dec 2025 |
| 7908 | W ROSS | Clearfield County, PA | Gas Property | Dec 2025 |
| 7909 | W S BLACK ET AL | Indiana County, PA | Gas Property | Dec 2025 |
| 7910 | W S BURKLAND | Fayette County, PA | Oil & Gas Property | Dec 2025 |
| 7911 | W S SHRIVER | Washington County, PA | Gas Property | Dec 2005 |
| 7912 | W SHOWALTER | Tioga County, PA | Gas Property | Dec 2025 |
| 7913 | W SMITH | Jefferson County, PA | Gas Property | Dec 2025 |
| 7914 | W STEELE SHAW | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 7915 | W T ALABRAN | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 7916 | W T MAHAFFEY-DT MITCHELL | Clearfield County, PA | Gas Property | Dec 2025 |
| 7917 | W THOMAS MALCOLM EXR EST OF HELEN RI | Indiana County, PA | Gas Property | Dec 2025 |
| 7918 | W VA PULP & PAPER CO | Cameron County, PA | Gas Property | Dec 2021 |
| 7919 | W W LITKE | Centre County, PA | Oil & Gas Property | Dec 2025 |
| 7920 | W W SWANK | Westmoreland County, PA | Gas Property | Dec 2025 |
| 7921 | W ZICK | Susquehanna County, PA | Gas Property | Dec 2025 |
| 7922 | W. BYRD YEANY JR | Armstrong County, PA | Gas Property | Dec 2025 |
| 7923 | W. F. DUBOIS 6 | Potter County, PA | Gas Property | Dec 2017 |
| 7924 | W.W. LITKE | Centre County, PA | Gas Property | Dec 2025 |
| 7925 | W15 3H | Butler County, PA | Gas Property | Dec 2025 |
| 7926 | W70 PER W70 | Butler County, PA | Gas Property | Dec 2025 |
| 7927 | W73 1H | Butler County, PA | Gas Property | Dec 2025 |
| 7928 | W73 PER W73 2H | Butler County, PA | Gas Property | Dec 2025 |
| 7929 | W74 PER W74 | Butler County, PA | Gas Property | Dec 2025 |
| 7930 | W75 PER W75 | Butler County, PA | Gas Property | Dec 2025 |
| 7931 | WACK UNIT | Butler County, PA | Oil & Gas Property | Dec 2025 |
| 7932 | WACO | Westmoreland County, PA | Gas Property | Dec 2025 |
| 7933 | WADDELL | Crawford County, PA | Gas Property | Dec 2016 |
| 7934 | WAFRA INC | Westmoreland County, PA | Oil & Gas Property | Dec 2023 |
| 7935 | WAGERS UNIT | Washington County, PA | Gas Property | Dec 2025 |
| 7936 | WAGNER | Elk County, PA | Oil & Gas Property | Dec 2018 |
| 7937 | WAGNER | McKean County, PA | Oil & Gas Property | Dec 2025 |
| 7938 | WAGNER | Forest County, PA | Oil Property | Dec 2025 |
| 7939 | WAGNER & WAGNER | Indiana County, PA | Gas Property | Dec 2025 |
| 7940 | WAHULA | Greene County, PA | Oil & Gas Property | Dec 2025 |
| 7941 | WAINMAN | McKean County, PA | Oil & Gas Property | Dec 2021 |
| 7942 | WAINWRIGHT | Jefferson County, PA | Gas Property | Dec 2025 |
| 7943 | WALASIK, TERRY UNIT | Washington County, PA | Gas Property | Dec 2025 |
| 7944 | WALDEISEN LADD | Sullivan County, PA | Gas Property | Dec 2025 |
| 7945 | WALDENBERGER P 01 | Susquehanna County, PA | Gas Property | Dec 2025 |
| 7946 | WALDO HERRITT | Clinton County, PA | Gas Property | Dec 2025 |
| 7947 | WALESKI | Washington County, PA | Gas Property | Dec 2025 |
| 7948 | WALKER | Greene County, PA | Gas Property | Jun 2025 |
| 7949 | WALKER | Susquehanna County, PA | Gas Property | Dec 2025 |
| 7950 | WALKER | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 7951 | WALKER | Bradford County, PA | Gas Property | Dec 2025 |
| 7952 | WALKER | Butler County, PA | Oil & Gas Property | Dec 2025 |
| 7953 | WALKER | Armstrong County, PA | Gas Property | Dec 2025 |
| 7954 | WALKER DIEHL | Susquehanna County, PA | Gas Property | Dec 2025 |
| 7955 | WALKER FARM | Armstrong County, PA | Gas Property | Dec 2025 |
| 7956 | WALKER R | Mercer County, PA | Gas Property | Dec 2025 |
| 7957 | WALKER SMITH | Jefferson County, PA | Gas Property | Dec 2025 |
| 7958 | WALKER WFN4 | Washington County, PA | Oil & Gas Property | Dec 2025 |
| 7959 | WALL BEA | Beaver County, PA | Gas Property | Jan 2024 |
| 7960 | WALLACE | Allegheny County, PA | Oil Property | Dec 2025 |
| 7961 | WALLACE 1H | Bradford County, PA | Gas Property | Dec 2025 |
| 7962 | WALLACE NORDBY | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 7963 | WALLIS RUN HUNTING CLUB A | Lycoming County, PA | Gas Property | Dec 2025 |
| 7964 | WALLWORK | Clarion County, PA | Gas Property | Dec 2025 |
| 7965 | WALT | Bradford County, PA | Gas Property | Jan 2025 |
| 7966 | WALTER | Westmoreland County, PA | Gas Property | Dec 2025 |
| 7967 | WALTER | Clarion County, PA | Gas Property | Dec 2025 |
| 7968 | WALTER | Indiana County, PA | Gas Property | Dec 2025 |
| 7969 | WALTER A SCHROTH | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 7970 | WALTER A SCHROTH | Indiana County, PA | Gas Property | Dec 2025 |
| 7971 | WALTER BASH | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 7972 | WALTER KOSIENSKI | Erie County, PA | Gas Property | Dec 2025 |
| 7973 | WALTER MAXWELL | Clarion County, PA | Oil & Gas Property | Dec 2025 |
| 7974 | WALTER ORLOSKI | Erie County, PA | Gas Property | Dec 2024 |
| 7975 | WALTER R MILLER | Clarion County, PA | Gas Property | Dec 2025 |
| 7976 | WALTER SHUSTER ET AL (HETRICK) | Armstrong County, PA | Oil & Gas Property | Dec 2025 |
| 7977 | WALTER STINGER | Greene County, PA | Gas Property | Dec 2025 |
| 7978 | WALTER ZABOROWSKI | Erie County, PA | Gas Property | Dec 1986 |
| 7979 | WALTERS | Westmoreland County, PA | Gas Property | Dec 2025 |
| 7980 | WALTERS | Armstrong County, PA | Gas Property | Dec 2025 |
| 7981 | WALTERS 05 001 0 | Bradford County, PA | Gas Property | Dec 2025 |
| 7982 | WALTERS GAMBLE | Lycoming County, PA | Gas Property | Dec 2025 |
| 7983 | WALTMAN | Butler County, PA | Oil & Gas Property | Dec 2025 |
| 7984 | WALTON GLENN | Forest County, PA | Oil & Gas Property | Dec 2024 |
| 7985 | WARBURTON NORTH UNIT | Sullivan County, PA | Gas Property | Dec 2025 |
| 7986 | WARBURTON S | Sullivan County, PA | Gas Property | Dec 2025 |
| 7987 | WARBURTON UNIT | Lycoming County, PA | Gas Property | Dec 2025 |
| 7988 | WARD | Bradford County, PA | Gas Property | Dec 2025 |
| 7989 | WARD FITZSIMMONS | McKean County, PA | Gas Property | Dec 2024 |
| 7990 | WARD HAROLD UNIT | Washington County, PA | Oil & Gas Property | Dec 2025 |
| 7991 | WARD M 1H | Bradford County, PA | Gas Property | Dec 2025 |
| 7992 | WARD SW10 | McKean County, PA | Oil & Gas Property | Dec 2024 |
| 7993 | WAREHAM 00 | Armstrong County, PA | Gas Property | Dec 2025 |
| 7994 | WARNER | Susquehanna County, PA | Gas Property | Dec 2025 |
| 7995 | WARNER (05-121 | Susquehanna County, PA | Gas Property | Dec 2025 |
| 7996 | WARNER 001 | Armstrong County, PA | Gas Property | Dec 2025 |
| 7997 | WARNER 05 002 0 | Bradford County, PA | Gas Property | Dec 2025 |
| 7998 | WARNER UNIT | Lycoming County, PA | Gas Property | Dec 2025 |
| 7999 | WARNER UNIT | Butler County, PA | Oil & Gas Property | Dec 2025 |
| 8000 | WARNER/F | Centre County, PA | Gas Property | Dec 2025 |