| Property Name | Property Location | Property Type | Most Recent Production | |
|---|---|---|---|---|
| 1901 | MARMET | Ellis County, TX | Gas Property | May 2025 |
| 1902 | MARMET | Kanawha County, WV | Gas Property | Dec 2020 |
| 1903 | MARMET COAL | Kanawha County, WV | Gas Property | Dec 2021 |
| 1904 | MARMIE | Barton County, KS | Oil Property | Apr 2025 |
| 1905 | MARMION-THORNHILL HC | Dimmit County, TX | Oil & Gas Property | May 2025 |
| 1906 | MARMO UNIT | Lee County, TX | Oil & Gas Property | May 2025 |
| 1907 | MARMON | Mountrail County, ND | Oil & Gas Property | Jun 2025 |
| 1908 | MARMON HAHN | Williams County, ND | Oil & Gas Property | Jun 2025 |
| 1909 | MARMONT | Toole County, MT | Gas Property | May 2025 |
| 1910 | MARMOT 19_18-16N-10W | Blaine County, OK | Oil & Gas Property | May 2025 |
| 1911 | MARMOT 55-14 UNIT | Reeves County, TX | Oil & Gas Property | May 2025 |
| 1912 | MARNA | Campbell County, WY | Oil & Gas Property | May 2025 |
| 1913 | MARNA KUEHNE | Campbell County, WY | Oil Property | Mar 1994 |
| 1914 | MARNER | Stanton County, KS | Gas Property | Apr 2025 |
| 1915 | MARNI | Moore County, TX | Oil & Gas Property | May 2025 |
| 1916 | MARNITA FIU 1-3-34XHM | Blaine County, OK | Oil & Gas Property | May 2025 |
| 1917 | MAROLYN | Crockett County, TX | Oil & Gas Property | May 2025 |
| 1918 | MARON UNIT A | Dewitt County, TX | Oil & Gas Property | May 2025 |
| 1919 | MARONE | Washington County, OK | Oil & Gas Property | Aug 2019 |
| 1920 | MARONEY | Harper County, KS | Oil & Gas Property | Apr 2025 |
| 1921 | MARONEY | Sabine Parish, LA | Oil & Gas Property | Dec 2024 |
| 1922 | MAROON 18 | Yuma County, CO | Gas Property | Jun 2025 |
| 1923 | MAROON BELLS 13-14 UNIT | Reeves County, TX | Oil & Gas Property | May 2025 |
| 1924 | MAROON BELLS FEDERAL COM 16 32 36 SB | Lea County, NM | Oil & Gas Property | Jun 2025 |
| 1925 | MAROONER | Winkler County, TX | Oil & Gas Property | May 2025 |
| 1926 | MAROONS | Garvin County, OK | Oil & Gas Property | May 2025 |
| 1927 | MAROSCHER UNIT | Columbiana County, OH | Gas Property | Dec 2023 |
| 1928 | MARPAT | Bexar County, TX | Oil Property | May 2025 |
| 1929 | MARPLE | Wilson County, KS | Oil Property | Jan 2025 |
| 1930 | MARPLE | Harrison County, WV | Gas Property | Dec 2021 |
| 1931 | MARPLE | Upshur County, WV | Oil & Gas Property | Dec 2021 |
| 1932 | MARPLE | Pleasants County, WV | Oil & Gas Property | Dec 2021 |
| 1933 | MARPLE | Monroe County, OH | Oil & Gas Property | Dec 2023 |
| 1934 | MARPLE LIVING TRUST 5 | Wilson County, KS | Gas Property | Apr 2025 |
| 1935 | MARPLE, CHARLES | Upshur County, WV | Oil & Gas Property | Dec 2021 |
| 1936 | MARPLE, HARTZEL L | Upshur County, WV | Oil & Gas Property | Dec 2021 |
| 1937 | MARPLE, MONZELL D | Upshur County, WV | Oil & Gas Property | Dec 2021 |
| 1938 | MARPLE, VICTOR | Roane County, WV | Oil & Gas Property | Dec 2021 |
| 1939 | MARQUARD | Jefferson County, OH | Gas Property | Mar 2025 |
| 1940 | MARQUARDT | Laramie County, WY | Oil & Gas Property | Jun 2025 |
| 1941 | MARQUARDT | Morton County, KS | Oil Property | Mar 2018 |
| 1942 | MARQUARDT | Lycoming County, PA | Gas Property | Jun 2025 |
| 1943 | MARQUARDT | Eddy County, NM | Oil & Gas Property | Jun 2025 |
| 1944 | MARQUARDT | Kearny County, KS | Gas Property | Apr 2025 |
| 1945 | MARQUARDT 1 | Eddy County, NM | Oil & Gas Property | Jun 2025 |
| 1946 | MARQUES | Throckmorton County, TX | Oil & Gas Property | Apr 2025 |
| 1947 | MARQUETTE | San Augustine County, TX | Oil & Gas Property | May 2025 |
| 1948 | MARQUIS | Athens County, OH | Oil & Gas Property | Dec 2023 |
| 1949 | MARQUIS | Lee County, TX | Oil & Gas Property | Apr 2025 |
| 1950 | MARQUIS SEMLER | Dundy County, NE | Oil Property | Dec 2024 |
| 1951 | MARQUISS | Campbell County, WY | Oil & Gas Property | Jun 2025 |
| 1952 | MARQUISS | Campbell County, WY | Gas Property | Jun 2021 |
| 1953 | MARQUISS | Campbell County, WY | Oil & Gas Property | Apr 2022 |
| 1954 | MARQUISS FEE 12 | Crook County, WY | Oil Property | Aug 1991 |
| 1955 | MARR | Dawson County, TX | Oil & Gas Property | Apr 2025 |
| 1956 | MARR | Lubbock County, TX | Oil & Gas Property | May 2025 |
| 1957 | MARR C. C | Scurry County, TX | Oil & Gas Property | May 2025 |
| 1958 | MARR RANCH | Ventura County, CA | Oil & Gas Property | May 1990 |
| 1959 | MARR, GARY | Metcalfe County, KY | Oil Property | Oct 2015 |
| 1960 | MARRA | Hill County, MT | Gas Property | Jun 1996 |
| 1961 | MARREL | Muskogee County, OK | Gas Property | Apr 2014 |
| 1962 | MARRIOTT | Wichita County, TX | Oil & Gas Property | Apr 2025 |
| 1963 | MARRIOTT | Beckham County, OK | Oil & Gas Property | Dec 2023 |
| 1964 | MARRIOTT | Kingfisher County, OK | Oil & Gas Property | May 2025 |
| 1965 | MARRIOTT #1 | Blaine County, OK | Oil & Gas Property | Nov 2016 |
| 1966 | MARRIOTT 25-12 | Blaine County, OK | Oil Property | Jun 2025 |
| 1967 | MARRIS | Carter County, OK | Oil Property | Apr 2025 |
| 1968 | MARRIS | Carter County, OK | Oil Property | Dec 2023 |
| 1969 | MARRIS 1 | McClain County, OK | Oil & Gas Property | May 2025 |
| 1970 | MARRISON | Ashtabula County, OH | Oil & Gas Property | Dec 2024 |
| 1971 | MARRON | San Juan County, NM | Oil & Gas Property | Jun 2025 |
| 1972 | MARRON WN FEDERAL | San Juan County, NM | Oil & Gas Property | Jun 2025 |
| 1973 | MARROW STATE | Ward County, TX | Oil & Gas Property | May 2025 |
| 1974 | MARRS | Weld County, CO | Oil & Gas Property | Jun 2025 |
| 1975 | MARRS | Throckmorton County, TX | Oil & Gas Property | May 2025 |
| 1976 | MARRS | Dimmit County, TX | Oil & Gas Property | May 2025 |
| 1977 | MARRS | Weld County, CO | Oil & Gas Property | Jun 2025 |
| 1978 | MARRS | Cowley County, KS | Oil & Gas Property | Mar 2025 |
| 1979 | MARRS #1 | Creek County, OK | Oil Property | Mar 2018 |
| 1980 | MARRS 1 | Creek County, OK | Oil Property | Dec 2016 |
| 1981 | MARRS BAUERLE UNIT | Frio County, TX | Oil & Gas Property | May 2025 |
| 1982 | MARRS MCLEAN | Jim Hogg County, TX | Oil & Gas Property | Jan 2023 |
| 1983 | MARRS MCLEAN | Webb County, TX | Oil & Gas Property | May 2025 |
| 1984 | MARRS MCLEAN | Jim Hogg County, TX | Oil & Gas Property | May 2025 |
| 1985 | MARRS MCLEAN | Frio County, TX | Oil & Gas Property | May 2025 |
| 1986 | MARRS MCLEAN | Frio County, TX | Oil & Gas Property | May 2025 |
| 1987 | MARRS MCLEAN | Galveston County, TX | Oil Property | May 2025 |
| 1988 | MARRS STATE 30N-10HZX | Weld County, CO | Oil & Gas Property | Jun 2025 |
| 1989 | MARRS-MCLEAN | Starr County, TX | Oil & Gas Property | May 2025 |
| 1990 | MARS | Gaines County, TX | Oil & Gas Property | Mar 2024 |
| 1991 | MARS 1-4 | Ness County, KS | Oil Property | Mar 2023 |
| 1992 | MARS 10 STATE | Lea County, NM | Oil & Gas Property | Jun 2025 |
| 1993 | MARS UNIT | Atascosa County, TX | Oil & Gas Property | May 2025 |
| 1994 | MARSCH H | Washington County, OH | Oil & Gas Property | Dec 2019 |
| 1995 | MARSCHALL HELEN U. 2 | Pecos County, TX | Gas Property | May 2025 |
| 1996 | MARSEE, JAMES | Whitley County, KY | Gas Property | Dec 2022 |
| 1997 | MARSEY | Okmulgee County, OK | Oil & Gas Property | May 2025 |
| 1998 | MARSH | Stillwater County, MT | Gas Property | Jan 1991 |
| 1999 | MARSH | Chautauqua County, NY | Gas Property | Dec 2024 |
| 2000 | MARSH | Indiana County, PA | Gas Property | Dec 2024 |