| 1901 | KEVIN HUDSON | Licking County, OH | Oil Property | Dec 2021 |
| 1902 | KEVIN LC26-7 | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 1903 | KEVIN LYNN | Logan County, OK | Oil & Gas Property | Oct 2025 |
| 1904 | KEVIN SCHMIDT 44-32H | Dunn County, ND | Oil & Gas Property | Dec 2025 |
| 1905 | KEVIN WAYNE 10-3H | Williams County, ND | Oil & Gas Property | Dec 2025 |
| 1906 | KEVORKIAN | Washington County, OK | Oil Property | May 2022 |
| 1907 | KEWANEE | Eastland County, TX | Oil & Gas Property | Oct 2025 |
| 1908 | KEWANEE | Martin County, TX | Oil & Gas Property | Jul 2022 |
| 1909 | KEWANEE 1 | Uinta County, WY | Oil & Gas Property | Dec 2025 |
| 1910 | KEWANEE OIL CO | McKean County, PA | Oil & Gas Property | Dec 2023 |
| 1911 | KEWISH | Lake County, OH | Oil & Gas Property | Dec 1994 |
| 1912 | KEY #2-25H24 | Pittsburg County, OK | Gas Property | Nov 2025 |
| 1913 | KEY 'B' | Reno County, KS | Oil Property | Sep 2025 |
| 1914 | KEY 1 | Wheeler County, TX | Oil & Gas Property | Nov 2025 |
| 1915 | KEY 1 | Nacogdoches County, TX | Oil & Gas Property | Nov 2025 |
| 1916 | KEY 2 | Latimer County, OK | Gas Property | Dec 2025 |
| 1917 | KEY 3-25H24 | Pittsburg County, OK | Gas Property | Nov 2025 |
| 1918 | KEY 9 | Martin County, TX | Oil & Gas Property | Nov 2025 |
| 1919 | KEY A | Throckmorton County, TX | Oil & Gas Property | Nov 2025 |
| 1920 | KEY BEATRICE GAS UNIT | Harrison County, TX | Oil & Gas Property | Nov 2025 |
| 1921 | KEY DEEP GU 1H | Harrison County, TX | Oil & Gas Property | Nov 2025 |
| 1922 | KEY DELORES | Scurry County, TX | Oil & Gas Property | Nov 2025 |
| 1923 | KEY DOLLY BELL | Gregg County, TX | Oil & Gas Property | Nov 2025 |
| 1924 | KEY E | Gray County, TX | Oil & Gas Property | Oct 2025 |
| 1925 | KEY G. A | Archer County, TX | Oil & Gas Property | Nov 2025 |
| 1926 | KEY GAS UNIT | Nacogdoches County, TX | Oil & Gas Property | Sep 2019 |
| 1927 | KEY GROVER | Burleson County, TX | Oil & Gas Property | Nov 2025 |
| 1928 | KEY HOBART | Gregg County, TX | Oil & Gas Property | Nov 2025 |
| 1929 | KEY ROCK MINING | Whitley County, KY | Oil & Gas Property | Nov 2022 |
| 1930 | KEY WEST TEN UNIT | Dawson County, TX | Oil & Gas Property | Nov 2025 |
| 1931 | KEY WEST WATERFLOOD UNIT | Dawson County, TX | Oil & Gas Property | Nov 2025 |
| 1932 | KEY, GREG | Monroe County, KY | Oil & Gas Property | Dec 2021 |
| 1933 | KEY, WILMA | Upton County, TX | Oil & Gas Property | Nov 2025 |
| 1934 | KEYDETS-A 47 4H | San Augustine County, TX | Gas Property | Nov 2025 |
| 1935 | KEYES | Creek County, OK | Oil & Gas Property | Nov 2025 |
| 1936 | KEYES | Warren County, PA | Gas Property | Dec 2024 |
| 1937 | KEYES | Seminole County, OK | Oil & Gas Property | Nov 2025 |
| 1938 | KEYES | Barber County, KS | Oil & Gas Property | Sep 2018 |
| 1939 | KEYES 29 10 29 | San Juan County, NM | Gas Property | Dec 2025 |
| 1940 | KEYES TRUST | Pratt County, KS | Oil Property | Sep 2025 |
| 1941 | KEYES USA 21-3H | McKenzie County, ND | Oil & Gas Property | Dec 2025 |
| 1942 | KEYHOLE 43 | Reeves County, TX | Oil & Gas Property | Nov 2025 |
| 1943 | KEYLOR UNIT | Monroe County, OH | Oil & Gas Property | Sep 2025 |
| 1944 | KEYS | Eddy County, NM | Oil Property | Aug 2013 |
| 1945 | KEYS COM | San Juan County, NM | Oil & Gas Property | Dec 2025 |
| 1946 | KEYS GAS COM | San Juan County, NM | Oil & Gas Property | Dec 2025 |
| 1947 | KEYS GAS COM | San Juan County, NM | Oil & Gas Property | Dec 2025 |
| 1948 | KEYS HEIRS | Wilson County, KS | Oil Property | Sep 2025 |
| 1949 | KEYS PATSY | Harrison County, TX | Oil & Gas Property | Nov 2025 |
| 1950 | KEYS UNIT | Karnes County, TX | Oil & Gas Property | Nov 2025 |
| 1951 | KEYSER | Jack County, TX | Oil & Gas Property | Nov 2025 |
| 1952 | KEYSER | Young County, TX | Oil & Gas Property | Mar 2019 |
| 1953 | KEYSTONE | Marshall County, OK | Oil Property | Sep 2025 |
| 1954 | KEYSTONE | Midland County, TX | Oil & Gas Property | Nov 2025 |
| 1955 | KEYSTONE | La Salle County, TX | Oil & Gas Property | Nov 2025 |
| 1956 | KEYSTONE | Burleson County, TX | Oil & Gas Property | Oct 2025 |
| 1957 | KEYSTONE | Winkler County, TX | Oil & Gas Property | Nov 2025 |
| 1958 | KEYSTONE | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 1959 | KEYSTONE | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 1960 | KEYSTONE | Montgomery County, TX | Oil & Gas Property | Nov 2025 |
| 1961 | KEYSTONE | Winkler County, TX | Oil & Gas Property | Nov 2025 |
| 1962 | KEYSTONE | Meade County, KS | Oil & Gas Property | Sep 2025 |
| 1963 | KEYSTONE 12-15 UNIT | Reeves County, TX | Oil & Gas Property | Nov 2025 |
| 1964 | KEYSTONE 6 FEDERAL COM | Lea County, NM | Oil & Gas Property | Dec 2025 |
| 1965 | KEYSTONE CATTLE CO | Winkler County, TX | Oil & Gas Property | Nov 2025 |
| 1966 | KEYSTONE CATTLE CO | Winkler County, TX | Oil & Gas Property | Jan 2024 |
| 1967 | KEYSTONE FERNANDES | Winkler County, TX | Oil & Gas Property | Nov 2025 |
| 1968 | KEYSTONE HOLT UNIT | Winkler County, TX | Oil & Gas Property | Oct 2022 |
| 1969 | KEYSTONE SILURIAN UNIT | Winkler County, TX | Oil & Gas Property | Nov 2025 |
| 1970 | KEYSTONE STATE PARK | Westmoreland County, PA | Gas Property | Dec 2025 |
| 1971 | KEYSTONE TRUST 34-10-3 | Jefferson County, OH | Oil & Gas Property | Sep 2025 |
| 1972 | KEYSTONE UNIT MIRABELLI KEYSTONE 1H | Wyoming County, PA | Gas Property | Dec 2025 |
| 1973 | KEYSTONE UNLIMITED, LLC 19-1 | Kalamazoo County, MI | Oil & Gas Property | Dec 2025 |
| 1974 | KEZAR,R | Labette County, KS | Gas Property | Sep 2025 |
| 1975 | KF STATE COM | Lea County, NM | Oil & Gas Property | Dec 2025 |
| 1976 | KFOC | Cooke County, TX | Oil Property | Nov 2025 |
| 1977 | KG TRUST | La Plata County, CO | Gas Property | Nov 2025 |
| 1978 | KGA 1 | Yuma County, CO | Gas Property | Nov 2025 |
| 1979 | KGA 2 | Yuma County, CO | Gas Property | Nov 2025 |
| 1980 | KGFCU | Waller County, TX | Oil & Gas Property | Nov 2025 |
| 1981 | KGFU | Fort Bend County, TX | Oil & Gas Property | Nov 2025 |
| 1982 | KGFU 2 W7 | Waller County, TX | Oil & Gas Property | Oct 2025 |
| 1983 | KGS-A | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 1984 | KH SASSER | Atascosa County, TX | Oil & Gas Property | Nov 2025 |
| 1985 | KHA J | Webb County, TX | Oil & Gas Property | Nov 2025 |
| 1986 | KHA N | Webb County, TX | Oil & Gas Property | Nov 2025 |
| 1987 | KHA S | Webb County, TX | Oil & Gas Property | Nov 2025 |
| 1988 | KHAKI CAMPBELL | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 1989 | KHC 33-2 | Ward County, TX | Oil & Gas Property | Nov 2025 |
| 1990 | KHE FEE | Webb County, TX | Oil & Gas Property | Nov 2025 |
| 1991 | KHILLING | Sebastian County, AR | Gas Property | Aug 2013 |
| 1992 | KHOURI UNIT | Washington County, PA | Gas Property | Dec 2025 |
| 1993 | KHR 1-12 | Custer County, OK | Oil & Gas Property | Nov 2025 |
| 1994 | KHRAISH | Denton County, TX | Oil & Gas Property | Nov 2025 |
| 1995 | KIAMICHI 1-6 | Latimer County, OK | Gas Property | Nov 2025 |
| 1996 | KIAWAH BFQ FEDERAL | Eddy County, NM | Oil & Gas Property | Jan 2017 |
| 1997 | KIAWAH K | San Augustine County, TX | Gas Property | Nov 2025 |
| 1998 | KIBBE | Morton County, KS | Gas Property | Sep 2025 |
| 1999 | KIBBE | Erie County, PA | Gas Property | Dec 2022 |
| 2000 | KIBBE | Harrison County, TX | Oil & Gas Property | Nov 2025 |