| 1901 | ALLEN | Johnson County, TX | Gas Property | Feb 2020 |
| 1902 | ALLEN | Roane County, WV | Oil & Gas Property | Dec 2018 |
| 1903 | ALLEN | Barton County, KS | Oil Property | Aug 1988 |
| 1904 | ALLEN | Beaver County, OK | Oil & Gas Property | Jan 2024 |
| 1905 | ALLEN | Moore County, TX | Oil & Gas Property | Dec 2023 |
| 1906 | ALLEN | Fayette County, PA | Gas Property | Dec 2023 |
| 1907 | ALLEN | Shelby County, TX | Oil & Gas Property | Jan 2024 |
| 1908 | ALLEN | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 1909 | ALLEN | Reeves County, TX | Oil & Gas Property | Jan 2024 |
| 1910 | ALLEN & JUDITH KESTNER | Ashland County, OH | Oil & Gas Property | Dec 2022 |
| 1911 | ALLEN & PRYOR | Boone County, WV | Gas Property | Dec 2021 |
| 1912 | ALLEN & TILLER | Caldwell County, TX | Oil & Gas Property | Jan 2024 |
| 1913 | ALLEN 1 | Cass County, TX | Oil Property | Feb 2024 |
| 1914 | ALLEN 1-1 | Major County, OK | Oil & Gas Property | Jan 2024 |
| 1915 | ALLEN 10-11 | Cleburne County, AR | Gas Property | Mar 2024 |
| 1916 | ALLEN 16-63-E8-16-28-1CH | Laramie County, WY | Oil & Gas Property | Feb 2024 |
| 1917 | ALLEN 17 | Ward County, TX | Oil & Gas Property | May 2011 |
| 1918 | ALLEN 26_35-14N-11W | Blaine County, OK | Oil & Gas Property | Jan 2024 |
| 1919 | ALLEN 3 | Duchesne County, UT | Oil & Gas Property | Feb 2024 |
| 1920 | ALLEN 33 | Bossier Parish, LA | Gas Property | Nov 2023 |
| 1921 | ALLEN 39 | Reeves County, TX | Oil & Gas Property | Jan 2024 |
| 1922 | ALLEN 44 | Upton County, TX | Oil & Gas Property | Jun 2016 |
| 1923 | ALLEN 44-8 #1 | Moffat County, CO | Oil & Gas Property | Feb 2024 |
| 1924 | ALLEN 5197 4 | McKenzie County, ND | Oil & Gas Property | Feb 2024 |
| 1925 | ALLEN 55-2-44 LOV UNIT | Loving County, TX | Oil & Gas Property | Jan 2024 |
| 1926 | ALLEN 6 | McKean County, PA | Oil & Gas Property | Dec 2023 |
| 1927 | ALLEN BAYOU STATE | Caddo Parish, LA | Oil Property | Jun 2005 |
| 1928 | ALLEN COM | San Juan County, NM | Oil & Gas Property | Feb 2024 |
| 1929 | ALLEN D J MILLER | Indiana County, PA | Gas Property | Dec 2023 |
| 1930 | ALLEN DAVID | Rusk County, TX | Oil & Gas Property | Jan 2024 |
| 1931 | ALLEN ESTATE | Ochiltree County, TX | Oil & Gas Property | Jan 2024 |
| 1932 | ALLEN FARM | Brazos County, TX | Oil & Gas Property | Jan 2024 |
| 1933 | ALLEN FED | Duchesne County, UT | Oil & Gas Property | Aug 2013 |
| 1934 | ALLEN FEDERAL | McKenzie County, ND | Oil & Gas Property | Nov 2000 |
| 1935 | ALLEN GAS UNIT 'A' | Morton County, KS | Gas Property | Dec 2023 |
| 1936 | ALLEN HEIRS | Eastland County, TX | Oil & Gas Property | Jan 2024 |
| 1937 | ALLEN HOMER | Johnson County, TX | Gas Property | Jan 2024 |
| 1938 | ALLEN HORN USA 11-2H | Mountrail County, ND | Oil & Gas Property | Feb 2024 |
| 1939 | ALLEN JIM | Gregg County, TX | Oil & Gas Property | Dec 2023 |
| 1940 | ALLEN LENORA GAS UNIT | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 1941 | ALLEN LO | Scurry County, TX | Oil & Gas Property | Mar 2015 |
| 1942 | ALLEN M | Ellis County, KS | Oil Property | Dec 2023 |
| 1943 | ALLEN MARY B | Gregg County, TX | Oil & Gas Property | Dec 2021 |
| 1944 | ALLEN MCM | McMullen County, TX | Oil & Gas Property | Jan 2024 |
| 1945 | ALLEN MEMORIAL HOSPITAL | Butler County, KS | Oil Property | Dec 2023 |
| 1946 | ALLEN OIL UNIT | Lavaca County, TX | Oil & Gas Property | Jan 2024 |
| 1947 | ALLEN P HOVIS ET AL | Indiana County, PA | Oil & Gas Property | Dec 2023 |
| 1948 | ALLEN P PUGH | Wayne County, MS | Oil & Gas Property | May 1991 |
| 1949 | ALLEN PAGEL UNIT | Gonzales County, TX | Oil & Gas Property | Jan 2024 |
| 1950 | ALLEN PARK | Otsego County, MI | Oil & Gas Property | Dec 1986 |
| 1951 | ALLEN PATENTED | Big Horn County, WY | Oil & Gas Property | Nov 2002 |
| 1952 | ALLEN POINT | Garfield County, CO | Oil & Gas Property | Feb 2024 |
| 1953 | ALLEN PROJECT | McKean County, PA | Oil & Gas Property | Dec 2023 |
| 1954 | ALLEN R. S | Wichita County, TX | Oil & Gas Property | Jan 2024 |
| 1955 | ALLEN RANCH | Caddo County, OK | Oil & Gas Property | Jan 2024 |
| 1956 | ALLEN RED RIVER | Wichita County, TX | Oil & Gas Property | Jan 2024 |
| 1957 | ALLEN TR | Seward County, KS | Oil & Gas Property | Dec 2023 |
| 1958 | ALLEN TRUST UNIT | Gonzales County, TX | Oil & Gas Property | Jan 2024 |
| 1959 | ALLEN UNIT | Karnes County, TX | Oil & Gas Property | Jan 2024 |
| 1960 | ALLEN UNIT | Bradford County, PA | Gas Property | Jun 2023 |
| 1961 | ALLEN UNIT | Atascosa County, TX | Oil & Gas Property | Jan 2024 |
| 1962 | ALLEN UNIT A | Karnes County, TX | Oil & Gas Property | Jan 2024 |
| 1963 | ALLEN W. SECKMAN, ET AL. SHR 31 | Tyler County, WV | Oil & Gas Property | Dec 2021 |
| 1964 | ALLEN W.C | Shackelford County, TX | Oil & Gas Property | Apr 2023 |
| 1965 | ALLEN W.H. ESTATE | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 1966 | ALLEN WALTER | Harrison County, TX | Oil & Gas Property | Dec 2023 |
| 1967 | ALLEN WORCESTER | Graham County, KS | Oil Property | Dec 2023 |
| 1968 | ALLEN, ALICE E. HEIRS | Eastland County, TX | Oil & Gas Property | Jan 2024 |
| 1969 | ALLEN, ARDATH | Wise County, TX | Oil & Gas Property | Jan 2024 |
| 1970 | ALLEN, ARTHUR 09-10 | Cleburne County, AR | Gas Property | Mar 2024 |
| 1971 | ALLEN, C | Moffat County, CO | Oil & Gas Property | Feb 2024 |
| 1972 | ALLEN, C. E | Palo Pinto County, TX | Oil & Gas Property | Jan 2024 |
| 1973 | ALLEN, CECIL 10-12 | Cleburne County, AR | Gas Property | Mar 2024 |
| 1974 | ALLEN, CLAIR | Jackson County, WV | Oil Property | Jun 2017 |
| 1975 | ALLEN, J H HEIRS JH | Knott County, KY | Gas Property | Dec 2019 |
| 1976 | ALLEN, J. H. -E | Jackson County, TX | Oil & Gas Property | Aug 2011 |
| 1977 | ALLEN, JAMES F IV | Harrison County, WV | Oil & Gas Property | Dec 2021 |
| 1978 | ALLEN, JANE CARLISLE ESTATE | Martin County, KY | Gas Property | Dec 2019 |
| 1979 | ALLEN, JENNIE | Roane County, WV | Oil & Gas Property | Dec 2021 |
| 1980 | ALLEN, L | Harrison County, WV | Oil & Gas Property | Dec 2021 |
| 1981 | ALLEN, LO | Lincoln County, KY | Oil Property | Dec 2002 |
| 1982 | ALLEN, M F F | Sebastian County, AR | Gas Property | Jan 2024 |
| 1983 | ALLEN, R. H. ESTATE | Smith County, TX | Oil & Gas Property | Jan 2024 |
| 1984 | ALLEN, SUSAN HEIRS SA | Floyd County, KY | Gas Property | Jun 2019 |
| 1985 | ALLEN, TERRY & DAWNA AUSTIN GRIFFITH | Lincoln County, WV | Oil & Gas Property | Dec 2021 |
| 1986 | ALLEN-MORRISON | Garfield County, OK | Oil & Gas Property | Jan 2024 |
| 1987 | ALLEN-NEWMAN 12 | Glasscock County, TX | Oil & Gas Property | Jan 2024 |
| 1988 | ALLEN-RITCHIE | Palo Pinto County, TX | Oil & Gas Property | Dec 2018 |
| 1989 | ALLEN-SMITH | Garfield County, OK | Oil & Gas Property | Feb 2024 |
| 1990 | ALLENBACH 2811 | Alfalfa County, OK | Oil & Gas Property | Feb 2024 |
| 1991 | ALLENCO | Johnson County, TX | Gas Property | Jan 2024 |
| 1992 | ALLENDER | Stafford County, KS | Oil Property | Dec 2023 |
| 1993 | ALLER | Stanton County, KS | Gas Property | Dec 2023 |
| 1994 | ALLER GAS UNIT | Stanton County, KS | Gas Property | Dec 2023 |
| 1995 | ALLERKAMP | Frio County, TX | Oil & Gas Property | Jan 2024 |
| 1996 | ALLES | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 1997 | ALLES | Weld County, CO | Oil & Gas Property | Jun 2017 |
| 1998 | ALLETA | Garvin County, OK | Oil & Gas Property | Feb 2022 |
| 1999 | ALLEY | Gaines County, TX | Oil & Gas Property | Jan 2024 |
| 2000 | ALLEY | Webb County, TX | Oil & Gas Property | Jan 2024 |