| 1901 | DURBIN 00 | Clearfield County, PA | Gas Property | Dec 2023 |
| 1902 | DURKACS UNIT | Washington County, PA | Oil & Gas Property | Sep 2024 |
| 1903 | DURY | Washington County, PA | Gas Property | Dec 2023 |
| 1904 | DUSENBURY-WHEELER & MERSEREAU | Potter County, PA | Oil & Gas Property | Dec 2023 |
| 1905 | DUTTER | McKean County, PA | Oil & Gas Property | Dec 2023 |
| 1906 | DWAINE & PENNI GARANSI | Mercer County, PA | Oil & Gas Property | Dec 2023 |
| 1907 | DWIGHT E BARKLEY | Indiana County, PA | Gas Property | Dec 2023 |
| 1908 | DWIGHT MCKIN | Armstrong County, PA | Gas Property | Dec 2023 |
| 1909 | DYDA UNIT | Mercer County, PA | Oil & Gas Property | Dec 2023 |
| 1910 | DYGERT | Crawford County, PA | Oil & Gas Property | Dec 2023 |
| 1911 | DYNAMITE | Armstrong County, PA | Gas Property | Sep 2024 |
| 1912 | DYNYS | Westmoreland County, PA | Oil & Gas Property | Dec 2023 |
| 1913 | DYSON W | Susquehanna County, PA | Gas Property | Sep 2024 |
| 1914 | DZIUBA | Bradford County, PA | Gas Property | Apr 2024 |
| 1915 | E & F SMITH | Crawford County, PA | Gas Property | Dec 2012 |
| 1916 | E A JOHNSON | McKean County, PA | Oil & Gas Property | Dec 2023 |
| 1917 | E B BRANDON | Indiana County, PA | Oil & Gas Property | Dec 2023 |
| 1918 | E B WRIGHT | Indiana County, PA | Oil & Gas Property | Dec 2023 |
| 1919 | E BUNNELL | Susquehanna County, PA | Gas Property | Sep 2024 |
| 1920 | E C BEST | Armstrong County, PA | Gas Property | Dec 2023 |
| 1921 | E CHARLES HERRICK | Crawford County, PA | Gas Property | Dec 2021 |
| 1922 | E COGLEY ETUX | Armstrong County, PA | Gas Property | Dec 2023 |
| 1923 | E DANVIR | Clearfield County, PA | Gas Property | Dec 2023 |
| 1924 | E E MITCHELL | Clearfield County, PA | Gas Property | Dec 2023 |
| 1925 | E E ROSS | Westmoreland County, PA | Gas Property | Dec 2023 |
| 1926 | E EUGENE COGLEY | Armstrong County, PA | Gas Property | Dec 2023 |
| 1927 | E GENE HOOVER | Clarion County, PA | Gas Property | Dec 2023 |
| 1928 | E H BRYNER | McKean County, PA | Oil & Gas Property | Dec 2023 |
| 1929 | E HORVATH | Mercer County, PA | Oil & Gas Property | Dec 2023 |
| 1930 | E KROLCZYK 00 | Indiana County, PA | Gas Property | Dec 2023 |
| 1931 | E L MOLOWSKI | Fayette County, PA | Gas Property | Dec 2023 |
| 1932 | E M CARNAHAN | Indiana County, PA | Gas Property | Dec 2023 |
| 1933 | E M COGLEY | Armstrong County, PA | Gas Property | Dec 2023 |
| 1934 | E MCQUISTON | Mercer County, PA | Gas Property | Dec 2023 |
| 1935 | E O KANE | McKean County, PA | Oil & Gas Property | Dec 2023 |
| 1936 | E R COST | Westmoreland County, PA | Gas Property | Dec 2023 |
| 1937 | E R WALTON | Venango County, PA | Oil Property | Dec 1999 |
| 1938 | E RINEHART | Greene County, PA | Oil & Gas Property | Dec 2023 |
| 1939 | E S BROWN | Indiana County, PA | Gas Property | Dec 2023 |
| 1940 | E SMITH | Mercer County, PA | Gas Property | Dec 2019 |
| 1941 | E WILLIAMS | Indiana County, PA | Oil & Gas Property | Dec 2023 |
| 1942 | E&N LAND | Fayette County, PA | Gas Property | Dec 2023 |
| 1943 | E.N. KUNKLE | Westmoreland County, PA | Gas Property | Dec 2023 |
| 1944 | E09-U HEMLOCK PAD 159H 51971 | Elk County, PA | Gas Property | Sep 2024 |
| 1945 | EA SMITH | Jefferson County, PA | Gas Property | Dec 2023 |
| 1946 | EAGAN | Warren County, PA | Oil & Gas Property | Dec 2023 |
| 1947 | EAGLE LINE | Crawford County, PA | Gas Property | Dec 2023 |
| 1948 | EAGLE ROCK | Venango County, PA | Oil Property | Dec 2015 |
| 1949 | EAGLE ROCK WALTON | Venango County, PA | Oil Property | Dec 2008 |
| 1950 | EAGLEHOUSE | Westmoreland County, PA | Gas Property | Sep 2024 |
| 1951 | EAGLEROCK WALTON #1 | Venango County, PA | Oil Property | Dec 1999 |
| 1952 | EAGLES | Jefferson County, PA | Gas Property | Dec 2023 |
| 1953 | EAKER | Clarion County, PA | Gas Property | Dec 2015 |
| 1954 | EAKIN | Washington County, PA | Gas Property | Dec 2023 |
| 1955 | EAKIN SANDRA | Washington County, PA | Gas Property | Sep 2024 |
| 1956 | EALY | Washington County, PA | Gas Property | Sep 2024 |
| 1957 | EALY | Mercer County, PA | Oil & Gas Property | Dec 2023 |
| 1958 | EARHART | Westmoreland County, PA | Gas Property | Dec 2023 |
| 1959 | EARL BARK | Armstrong County, PA | Gas Property | Dec 2023 |
| 1960 | EARL BUTERBAUGH | Clearfield County, PA | Oil & Gas Property | Dec 2023 |
| 1961 | EARL C BENCE | Indiana County, PA | Gas Property | Dec 2023 |
| 1962 | EARL C STOCKDILL | Armstrong County, PA | Gas Property | Dec 2023 |
| 1963 | EARL CORNMAN | Armstrong County, PA | Gas Property | Dec 2023 |
| 1964 | EARL E CARLSON | McKean County, PA | Oil & Gas Property | Dec 2023 |
| 1965 | EARL HILLIS | Jefferson County, PA | Gas Property | Dec 2023 |
| 1966 | EARL LYONS | Jefferson County, PA | Gas Property | Dec 2023 |
| 1967 | EARL M BROWN K&J | Clearfield County, PA | Gas Property | Dec 2023 |
| 1968 | EARL RIC | Indiana County, PA | Gas Property | Dec 2023 |
| 1969 | EARL T GAHAGAN | Jefferson County, PA | Gas Property | Dec 2023 |
| 1970 | EAST SIDE | Warren County, PA | Oil & Gas Property | Dec 2023 |
| 1971 | EASTERN ASSOCIATED COAL CO | Westmoreland County, PA | Gas Property | Dec 2023 |
| 1972 | EASTERN ROYALT | McKean County, PA | Oil & Gas Property | Dec 2023 |
| 1973 | EASTERN ROYALTIES | McKean County, PA | Oil & Gas Property | Dec 2023 |
| 1974 | EASTMAN | Susquehanna County, PA | Gas Property | Sep 2024 |
| 1975 | EASTON | Lycoming County, PA | Gas Property | Sep 2024 |
| 1976 | ECHO 4 | McKean County, PA | Oil & Gas Property | Dec 2023 |
| 1977 | ECKERD | Washington County, PA | Gas Property | Sep 2024 |
| 1978 | ECKLUND | Clearfield County, PA | Gas Property | Dec 2023 |
| 1979 | ECONOMIC GROWTH 00 | Westmoreland County, PA | Gas Property | Dec 2023 |
| 1980 | EDENBORN/ | Fayette County, PA | Gas Property | Dec 2023 |
| 1981 | EDF 8H | Wyoming County, PA | Gas Property | Sep 2024 |
| 1982 | EDF S WYO | Wyoming County, PA | Gas Property | Sep 2024 |
| 1983 | EDGAR D FITZGERALD | Indiana County, PA | Gas Property | Dec 2023 |
| 1984 | EDGAR E. & ARLINE M | Armstrong County, PA | Gas Property | Dec 2023 |
| 1985 | EDGAR K BLOSE | Jefferson County, PA | Oil & Gas Property | Dec 2023 |
| 1986 | EDGER BRA | Bradford County, PA | Gas Property | Sep 2024 |
| 1987 | EDITH GRAF | Indiana County, PA | Gas Property | Dec 2023 |
| 1988 | EDKIN | Tioga County, PA | Gas Property | Sep 2024 |
| 1989 | EDKIN HILL | Sullivan County, PA | Gas Property | Sep 2024 |
| 1990 | EDNA I HENRY | Indiana County, PA | Gas Property | Dec 2023 |
| 1991 | EDNA MICHAELS | Clearfield County, PA | Gas Property | Dec 2023 |
| 1992 | EDSELL 05 003 0 | Bradford County, PA | Gas Property | Sep 2024 |
| 1993 | EDSON FARMS UNIT | Fayette County, PA | Gas Property | Dec 2023 |
| 1994 | EDWARD | Armstrong County, PA | Oil & Gas Property | Dec 2023 |
| 1995 | EDWARD | Warren County, PA | Oil & Gas Property | Dec 2023 |
| 1996 | EDWARD GUY DILICK | Armstrong County, PA | Gas Property | Dec 2023 |
| 1997 | EDWARD H TRIMBLE T | Indiana County, PA | Gas Property | Dec 2023 |
| 1998 | EDWARD J LUTHER JR | Cambria County, PA | Gas Property | Dec 2023 |
| 1999 | EDWARD J MOSES | Greene County, PA | Oil & Gas Property | Dec 2023 |
| 2000 | EDWARD L ECHNOZ | Armstrong County, PA | Oil & Gas Property | Dec 2023 |