| 1901 | DECKER T | Susquehanna County, PA | Gas Property | Jun 2026 |
| 1902 | DECKER, J.J | Coleman County, TX | Oil & Gas Property | May 2026 |
| 1903 | DECKER-VOGTSBERGER UNIT | Archer County, TX | Oil & Gas Property | Nov 2020 |
| 1904 | DECKERD | Stark County, OH | Oil & Gas Property | Dec 2025 |
| 1905 | DECKERT | Russell County, KS | Oil Property | May 2026 |
| 1906 | DECKERT | Edwards County, KS | Oil & Gas Property | Dec 2025 |
| 1907 | DECKERT | Pawnee County, KS | Oil & Gas Property | Mar 2026 |
| 1908 | DECKMAN UNIT | Carroll County, OH | Oil & Gas Property | Dec 2025 |
| 1909 | DECLARATION 1-6 | Logan County, OK | Oil & Gas Property | Jun 2026 |
| 1910 | DECLERCK 2 | Alfalfa County, OK | Oil & Gas Property | Jul 2026 |
| 1911 | DECLEVA | Johnson County, TX | Oil & Gas Property | Jun 2026 |
| 1912 | DECORAH 44-10TFH | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 1913 | DECORDOVA | McClain County, OK | Oil & Gas Property | Jun 2026 |
| 1914 | DECRISTO (01-128 | Tioga County, PA | Gas Property | Jun 2026 |
| 1915 | DECRISTO 05 022 0 | Bradford County, PA | Gas Property | Jun 2026 |
| 1916 | DEDEK | Love County, OK | Oil & Gas Property | Jun 2026 |
| 1917 | DEDRICK | Norton County, KS | Oil Property | Mar 2026 |
| 1918 | DEE 36 S | Eddy County, NM | Oil & Gas Property | Nov 2017 |
| 1919 | DEE ANN | Hughes County, OK | Gas Property | Apr 2026 |
| 1920 | DEE BELL | Clarion County, PA | Oil & Gas Property | Dec 2025 |
| 1921 | DEE BOOT 18-06-01 | Kingfisher County, OK | Oil & Gas Property | Apr 2020 |
| 1922 | DEE BOOT FEE 24 34 26 | Lea County, NM | Oil & Gas Property | Jul 2026 |
| 1923 | DEE DEE | Comanche County, OK | Oil & Gas Property | Nov 2023 |
| 1924 | DEE JAMESON | Canadian County, OK | Oil & Gas Property | Jun 2026 |
| 1925 | DEE O GEE | Hutchinson County, TX | Oil & Gas Property | Jun 2026 |
| 1926 | DEE OQ STATE | Chaves County, NM | Gas Property | Nov 2024 |
| 1927 | DEE OSBORNE 19 | Lea County, NM | Oil & Gas Property | Jun 2026 |
| 1928 | DEE VAN ZAN | Bienville Parish, LA | Oil & Gas Property | Dec 2024 |
| 1929 | DEEBA | Creek County, OK | Oil & Gas Property | Jun 2026 |
| 1930 | DEEDRA | Lavaca County, TX | Oil & Gas Property | Jun 2026 |
| 1931 | DEEDRA-LORI (SA) UNIT | Lavaca County, TX | Oil & Gas Property | Jun 2026 |
| 1932 | DEEDS | Cheyenne County, KS | Oil Property | May 2026 |
| 1933 | DEEDS | Indiana County, PA | Gas Property | Dec 2025 |
| 1934 | DEEDS | Licking County, OH | Oil & Gas Property | Dec 2012 |
| 1935 | DEEDS | Tuscarawas County, OH | Oil & Gas Property | Dec 2025 |
| 1936 | DEEHAN | Lubbock County, TX | Oil & Gas Property | May 2019 |
| 1937 | DEEL | Edwards County, TX | Gas Property | Jun 2026 |
| 1938 | DEEM | Ritchie County, WV | Oil & Gas Property | Nov 2021 |
| 1939 | DEEMER - GREEN GLEN CORP | Clearfield County, PA | Gas Property | Dec 2025 |
| 1940 | DEEN RANCH | Montague County, TX | Oil & Gas Property | Jun 2026 |
| 1941 | DEENA 15-10-19-17 | Dewey County, OK | Oil & Gas Property | Jul 2026 |
| 1942 | DEEP BLUE #22 | Latimer County, OK | Gas Property | Jun 2026 |
| 1943 | DEEP CAVE GULCH | Natrona County, WY | Oil & Gas Property | Jun 2026 |
| 1944 | DEEP CREEK | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 1945 | DEEP CREEK | Palo Pinto County, TX | Oil & Gas Property | Jun 2026 |
| 1946 | DEEP CREEK | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 1947 | DEEP CREEK | Uintah County, UT | Oil & Gas Property | Jun 2026 |
| 1948 | DEEP CREEK | Uintah County, UT | Oil & Gas Property | Jun 2026 |
| 1949 | DEEP CREEK 2-19A2E | Uintah County, UT | Oil & Gas Property | Jul 2026 |
| 1950 | DEEP ELEM 4 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Jun 2026 |
| 1951 | DEEP ELLUM 25 26 FEDERAL COM | Lea County, NM | Oil & Gas Property | Jun 2026 |
| 1952 | DEEP FORK | Creek County, OK | Oil & Gas Property | Jul 2026 |
| 1953 | DEEP FORK 1 | Lincoln County, OK | Oil & Gas Property | Sep 2015 |
| 1954 | DEEP GREEN | McDowell County, WV | Gas Property | Dec 2021 |
| 1955 | DEEP HOL | Venango County, PA | Oil Property | Dec 2025 |
| 1956 | DEEP JACK | Lea County, NM | Oil & Gas Property | Jul 2026 |
| 1957 | DEEP ROCK | Andrews County, TX | Oil & Gas Property | Jun 2026 |
| 1958 | DEEP ROCK GLORIETA UNIT | Andrews County, TX | Oil & Gas Property | Jun 2026 |
| 1959 | DEEP UNIT | Fremont County, WY | Oil & Gas Property | Jul 2026 |
| 1960 | DEEPE | Weld County, CO | Oil & Gas Property | May 2026 |
| 1961 | DEER | Okfuskee County, OK | Oil & Gas Property | Jun 2026 |
| 1962 | DEER CREEK | Oklahoma County, OK | Oil & Gas Property | Jul 2026 |
| 1963 | DEER CREEK | Tarrant County, TX | Gas Property | Jun 2026 |
| 1964 | DEER CREEK | Dawson County, MT | Oil & Gas Property | Jun 2026 |
| 1965 | DEER CREEK | Custer County, OK | Oil & Gas Property | Jun 2026 |
| 1966 | DEER CREEK 1209 | Canadian County, OK | Oil & Gas Property | Jun 2026 |
| 1967 | DEER DRAW | Oklahoma County, OK | Oil & Gas Property | Jun 2026 |
| 1968 | DEER FLY SOUTH UNIT | Campbell County, WY | Oil Property | Jul 2026 |
| 1969 | DEER HILL | Sublette County, WY | Oil & Gas Property | Feb 1997 |
| 1970 | DEER PARK | Adams County, MS | Oil Property | Mar 1984 |
| 1971 | DEER PARK 10 | Wyoming County, PA | Gas Property | Jun 2026 |
| 1972 | DEER PASS 20 | McKenzie County, ND | Oil & Gas Property | May 2026 |
| 1973 | DEER TRAIL FARMS | Breckinridge County, KY | Oil Property | Dec 2024 |
| 1974 | DEERE | Saline County, KS | Oil Property | Apr 2026 |
| 1975 | DEERE | Creek County, OK | Oil & Gas Property | Jul 2026 |
| 1976 | DEERE | Okfuskee County, OK | Oil Property | Jun 2026 |
| 1977 | DEERE 57-T2-5X44 | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 1978 | DEERFIELD | Brazos County, TX | Oil & Gas Property | Jun 2026 |
| 1979 | DEERFIELD | Beaver County, OK | Gas Property | Jun 2026 |
| 1980 | DEERFIELD | Portage County, OH | Oil & Gas Property | Dec 2025 |
| 1981 | DEERFIELD COUNTRY CLUB | Lewis County, WV | Oil & Gas Property | Dec 2021 |
| 1982 | DEERFIELD RANCH | Parker County, TX | Oil & Gas Property | Jun 2026 |
| 1983 | DEERING J. A | Liberty County, TX | Oil & Gas Property | Jun 2026 |
| 1984 | DEERSTALKER FEDERAL COM | Lea County, NM | Oil & Gas Property | Jul 2026 |
| 1985 | DEERSVILLE HN FRA | Harrison County, OH | Oil & Gas Property | Jun 2026 |
| 1986 | DEES | Ellsworth County, KS | Oil Property | Sep 2003 |
| 1987 | DEES | Hill County, MT | Gas Property | Jun 2026 |
| 1988 | DEES | Jack County, TX | Oil & Gas Property | Jun 2026 |
| 1989 | DEETER | Venango County, PA | Oil & Gas Property | Dec 2025 |
| 1990 | DEETER | Venango County, PA | Gas Property | Dec 2025 |
| 1991 | DEETER | Venango County, PA | Gas Property | Dec 2025 |
| 1992 | DEETS | Culberson County, TX | Oil & Gas Property | Jun 2026 |
| 1993 | DEETS | Rush County, KS | Oil Property | Oct 2021 |
| 1994 | DEETS | Venango County, PA | Oil & Gas Property | Dec 2025 |
| 1995 | DEETS 18-06-13 | Kingfisher County, OK | Oil & Gas Property | Jun 2026 |
| 1996 | DEETS 33 | Irion County, TX | Oil & Gas Property | Jun 2026 |
| 1997 | DEETS 36 | Martin County, TX | Oil & Gas Property | Jun 2026 |
| 1998 | DEEWALL | Comanche County, KS | Oil & Gas Property | May 2026 |
| 1999 | DEF LEPPARD 1 | Atascosa County, TX | Oil & Gas Property | Jun 2026 |
| 2000 | DEFAZIO, FRANK & VIRGINIA | Doddridge County, WV | Oil & Gas Property | Dec 2021 |