| 1901 | KIAWAH K | San Augustine County, TX | Gas Property | Jan 2025 |
| 1902 | KIBBE | Morton County, KS | Gas Property | Dec 2024 |
| 1903 | KIBBE | Erie County, PA | Gas Property | Dec 2020 |
| 1904 | KIBBE | Harrison County, TX | Oil & Gas Property | Jan 2025 |
| 1905 | KIBBE-MOOS | Duval County, TX | Oil & Gas Property | Jan 2025 |
| 1906 | KIBLER | Jack County, TX | Oil & Gas Property | Jan 2025 |
| 1907 | KIBLER | Trumbull County, OH | Oil & Gas Property | Dec 2024 |
| 1908 | KIBLER | Portage County, OH | Oil & Gas Property | Dec 2023 |
| 1909 | KIBLER | Wyoming County, NY | Gas Property | Dec 2023 |
| 1910 | KIBLER | Columbiana County, OH | Oil & Gas Property | Dec 2024 |
| 1911 | KIBLER | Crawford County, AR | Gas Property | Jun 2024 |
| 1912 | KIBLER HALL 1 | Orange County, CA | Oil Property | Dec 2024 |
| 1913 | KIBLINGER | Hill County, TX | Gas Property | Jan 2025 |
| 1914 | KIBUK | Armstrong County, PA | Gas Property | Dec 2024 |
| 1915 | KICK | Holmes County, OH | Oil Property | Dec 2024 |
| 1916 | KICK LARRY | Holmes County, OH | Oil & Gas Property | Dec 2011 |
| 1917 | KICK LESTER | Holmes County, OH | Oil & Gas Property | Dec 1993 |
| 1918 | KICKAPOO | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 1919 | KICKAPOO CREEK GAS UNIT | Smith County, TX | Oil & Gas Property | Jan 2025 |
| 1920 | KICKENDAHL UNIT 1 | Dewitt County, TX | Oil & Gas Property | Jan 2025 |
| 1921 | KICKING WOLF 18-09-22 | Kingfisher County, OK | Oil & Gas Property | Jan 2025 |
| 1922 | KID CREEK | Bowman County, ND | Oil & Gas Property | Feb 2025 |
| 1923 | KIDD | Tuscarawas County, OH | Oil & Gas Property | Dec 2023 |
| 1924 | KIDD | Seminole County, OK | Gas Property | May 2010 |
| 1925 | KIDD | Hood County, TX | Oil & Gas Property | Jan 2025 |
| 1926 | KIDD | Licking County, OH | Oil & Gas Property | Dec 2024 |
| 1927 | KIDD | Lincoln County, OK | Gas Property | Sep 2016 |
| 1928 | KIDD | Wilson County, KS | Gas Property | Dec 2024 |
| 1929 | KIDD | Dawson County, TX | Oil & Gas Property | Jan 2025 |
| 1930 | KIDD | Seminole County, OK | Oil & Gas Property | Jul 2015 |
| 1931 | KIDD 1-19H1 | Divide County, ND | Oil & Gas Property | Feb 2025 |
| 1932 | KIDD 10-15 | Van Buren County, AR | Gas Property | Jul 2024 |
| 1933 | KIDD 21-12-6 | Harrison County, OH | Oil & Gas Property | Dec 2024 |
| 1934 | KIDD MARGARET | Brazoria County, TX | Oil & Gas Property | Jan 2025 |
| 1935 | KIDD TRUST 10-13 | Van Buren County, AR | Gas Property | Jul 2024 |
| 1936 | KIDD UNIT | Gonzales County, TX | Oil & Gas Property | Jan 2025 |
| 1937 | KIDDER | Chautauqua County, NY | Gas Property | Dec 2023 |
| 1938 | KIDDER | Chautauqua County, NY | Gas Property | Dec 2023 |
| 1939 | KIDDER | Osceola County, MI | Oil Property | Sep 2024 |
| 1940 | KIDWELL | Knox County, OH | Oil Property | Dec 2024 |
| 1941 | KIDWELL | Caddo County, OK | Oil & Gas Property | Jan 2025 |
| 1942 | KIDWELL | Knox County, OH | Oil & Gas Property | Dec 2023 |
| 1943 | KIEDAISCH | Atoka County, OK | Gas Property | Nov 2024 |
| 1944 | KIEFEL | Williams County, ND | Oil & Gas Property | Feb 2025 |
| 1945 | KIEFER | Dawson County, TX | Oil & Gas Property | Jan 2025 |
| 1946 | KIEFER C | Zavala County, TX | Oil & Gas Property | Dec 2024 |
| 1947 | KIEFER GEORGE W U | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 1948 | KIEFFER | Hocking County, OH | Oil & Gas Property | Dec 2007 |
| 1949 | KIEFFER | Morris County, KS | Oil Property | Nov 2024 |
| 1950 | KIEFFER UNIT | Greene County, PA | Gas Property | Feb 2025 |
| 1951 | KIEHL | Crook County, WY | Oil & Gas Property | Feb 2025 |
| 1952 | KIEKE | Haskell County, TX | Oil & Gas Property | Dec 2024 |
| 1953 | KIELAR D | Susquehanna County, PA | Gas Property | Feb 2025 |
| 1954 | KIENER | Perry County, OH | Oil & Gas Property | Dec 2024 |
| 1955 | KIERA | Kingfisher County, OK | Oil & Gas Property | Jan 2025 |
| 1956 | KIERSEY | Haskell County, TX | Oil & Gas Property | Jan 2025 |
| 1957 | KIESCHNICK | San Patricio County, TX | Oil & Gas Property | Aug 2024 |
| 1958 | KIESCHNICK UNIT | Montague County, TX | Oil & Gas Property | Jan 2025 |
| 1959 | KIESLING | Weston County, WY | Oil Property | Nov 2024 |
| 1960 | KIESLING | Weston County, WY | Oil Property | Oct 2024 |
| 1961 | KIESLING,A.E. & DIXON,T.K | Harris County, TX | Oil & Gas Property | Mar 2003 |
| 1962 | KIESSLING, TERRY & HELEN PEN2 | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 1963 | KIEWIT | Sheridan County, WY | Gas Property | Sep 2013 |
| 1964 | KIFER | Armstrong County, PA | Gas Property | Dec 2024 |
| 1965 | KIFER ROZELLA | Gonzales County, TX | Oil & Gas Property | Jan 2025 |
| 1966 | KIFF WHITE | Hansford County, TX | Oil & Gas Property | Jan 2025 |
| 1967 | KIGER | Greene County, PA | Gas Property | Dec 2024 |
| 1968 | KIGER B | Greene County, PA | Gas Property | Dec 2019 |
| 1969 | KIGHT | Beaver County, OK | Oil & Gas Property | Jan 2025 |
| 1970 | KIGHT JUDITH WI | Stephens County, TX | Oil & Gas Property | Jan 2025 |
| 1971 | KIGHT, M | Calhoun County, WV | Oil & Gas Property | Dec 2021 |
| 1972 | KIGHTLINGER | Warren County, PA | Gas Property | Dec 2024 |
| 1973 | KIISTNER | Kearny County, KS | Gas Property | Dec 2024 |
| 1974 | KIISTNER | Stanton County, KS | Gas Property | Dec 2024 |
| 1975 | KIKER | Wheeler County, TX | Oil & Gas Property | Jun 2024 |
| 1976 | KIKER | Hemphill County, TX | Oil & Gas Property | Jan 2025 |
| 1977 | KIKER | Seminole County, OK | Oil & Gas Property | Oct 2019 |
| 1978 | KIKER AMOCO | Hemphill County, TX | Oil & Gas Property | Jan 2025 |
| 1979 | KIKER SAM | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 1980 | KIKER-BENTLEY-PERKINS (SA) 1 | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 1981 | KIKER-PERKINS ET AL (SA) | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 1982 | KIKER-WOMACK ET AL (SA) 1H | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 1983 | KIKO | Stark County, OH | Oil & Gas Property | Dec 2024 |
| 1984 | KIKO | Stark County, OH | Oil & Gas Property | Dec 2023 |
| 1985 | KIKO | Carroll County, OH | Oil & Gas Property | Dec 2024 |
| 1986 | KIKO | Columbiana County, OH | Oil & Gas Property | Dec 2024 |
| 1987 | KIKO UNIT | Carroll County, OH | Oil & Gas Property | Dec 2024 |
| 1988 | KIKTA UNIT | Fayette County, PA | Gas Property | Feb 2025 |
| 1989 | KILBARGER | Fairfield County, OH | Oil Property | Dec 2024 |
| 1990 | KILBOURN FARM | Calhoun County, MI | Oil & Gas Property | Jan 2025 |
| 1991 | KILBURN | Monroe County, OH | Oil & Gas Property | Dec 2024 |
| 1992 | KILCOYNE | Wetzel County, WV | Oil & Gas Property | Mar 2016 |
| 1993 | KILCOYNE, JOHN W | Wetzel County, WV | Gas Property | Dec 2021 |
| 1994 | KILCOYNE, JOHN W. & FLORENCE 51 | Wetzel County, WV | Oil & Gas Property | Dec 2021 |
| 1995 | KILCREASE | Young County, TX | Oil & Gas Property | Jan 2025 |
| 1996 | KILCREASE BESSIE | Montague County, TX | Oil & Gas Property | Nov 2024 |
| 1997 | KILCREASE-BOWLES | Navarro County, TX | Oil & Gas Property | Dec 2024 |
| 1998 | KILDARE EAST GLOYD UNIT | Marion County, TX | Oil & Gas Property | Jan 2019 |
| 1999 | KILDARE WEST GLOYD UNIT | Marion County, TX | Oil & Gas Property | Feb 2000 |
| 2000 | KILDOW | Weld County, CO | Oil & Gas Property | Aug 2022 |