| 1901 | SANDIN 24 | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 1902 | SANFORD | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 1903 | SAPPINGTON 22 | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 1904 | SARCEE 7-67-3-34C | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 1905 | SARCHET | Weld County, CO | Oil & Gas Property | Oct 2023 |
| 1906 | SARCHET | Weld County, CO | Oil & Gas Property | Apr 2017 |
| 1907 | SARCHET | Weld County, CO | Oil & Gas Property | Apr 2017 |
| 1908 | SARCHET | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 1909 | SARCHET | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 1910 | SARGENT | Weld County, CO | Oil & Gas Property | Nov 2019 |
| 1911 | SATER | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 1912 | SATER | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 1913 | SAUER | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 1914 | SAUER | Weld County, CO | Oil & Gas Property | Aug 2018 |
| 1915 | SAULCY | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 1916 | SAWDEY | Weld County, CO | Oil & Gas Property | Jan 2021 |
| 1917 | SAWYER | Weld County, CO | Oil & Gas Property | May 2018 |
| 1918 | SBJ 13 | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 1919 | SCHAEFER | Weld County, CO | Oil & Gas Property | Jun 2021 |
| 1920 | SCHAEFER | Weld County, CO | Oil & Gas Property | Apr 2017 |
| 1921 | SCHAEFER 10 | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 1922 | SCHAFER | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 1923 | SCHANK | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 1924 | SCHAUMBERG 1 | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 1925 | SCHEIDT-STATE | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 1926 | SCHISSLER | Weld County, CO | Oil & Gas Property | Dec 2017 |
| 1927 | SCHLAGEL | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 1928 | SCHLAGEL | Weld County, CO | Oil & Gas Property | Oct 2021 |
| 1929 | SCHLAGEL | Weld County, CO | Oil & Gas Property | Jun 2018 |
| 1930 | SCHLOTTHAUER | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 1931 | SCHMERGE | Weld County, CO | Oil & Gas Property | Aug 2023 |
| 1932 | SCHMIDT | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 1933 | SCHMIER | Weld County, CO | Oil & Gas Property | Jun 2020 |
| 1934 | SCHMIER | Weld County, CO | Oil & Gas Property | May 2019 |
| 1935 | SCHMUNK | Weld County, CO | Oil & Gas Property | Sep 2023 |
| 1936 | SCHNEIDER | Weld County, CO | Oil & Gas Property | Jan 2019 |
| 1937 | SCHNEIDER | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 1938 | SCHNEIDER | Weld County, CO | Oil & Gas Property | Jan 2012 |
| 1939 | SCHNEIDER | Weld County, CO | Oil & Gas Property | Apr 2021 |
| 1940 | SCHNEIDER | Weld County, CO | Oil & Gas Property | Dec 2023 |
| 1941 | SCHNEIDER 19 | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 1942 | SCHOLFIELD | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 1943 | SCHOMBER | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 1944 | SCHOTT B 33 | Weld County, CO | Oil & Gas Property | Jun 2012 |
| 1945 | SCHRUTE | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 1946 | SCHRUTE FARMS 9 | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 1947 | SCHWAB 26 | Weld County, CO | Oil & Gas Property | Oct 2019 |
| 1948 | SCOOTER | Weld County, CO | Oil & Gas Property | Nov 2023 |
| 1949 | SCOTT | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 1950 | SCOTT N27 | Weld County, CO | Oil & Gas Property | Apr 2017 |
| 1951 | SCOTTSDALE | Weld County, CO | Oil & Gas Property | Apr 2023 |
| 1952 | SEATON | Weld County, CO | Oil & Gas Property | Dec 2018 |
| 1953 | SEC FOUR | Weld County, CO | Oil & Gas Property | Apr 2019 |
| 1954 | SEELE | Weld County, CO | Oil & Gas Property | Dec 2020 |
| 1955 | SEELEY | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 1956 | SEELEY FEDERAL 108 | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 1957 | SEGAL | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 1958 | SEIFRIED | Weld County, CO | Oil & Gas Property | Jun 2008 |
| 1959 | SEKICH | Weld County, CO | Oil & Gas Property | Jul 2021 |
| 1960 | SEKICH STATE | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 1961 | SENA 15-2 | Weld County, CO | Oil & Gas Property | Jan 2018 |
| 1962 | SEVENTY HOLES | Weld County, CO | Oil & Gas Property | Oct 2023 |
| 1963 | SEYFRIED | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 1964 | SEYLER | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 1965 | SHABLE | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 1966 | SHABLE | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 1967 | SHABLE | Weld County, CO | Oil & Gas Property | Jun 2022 |
| 1968 | SHABLE | Weld County, CO | Oil & Gas Property | Jul 2017 |
| 1969 | SHABLE | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 1970 | SHABLE USX | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 1971 | SHADOW | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 1972 | SHAFER | Weld County, CO | Oil & Gas Property | Sep 2019 |
| 1973 | SHAFTO J27 | Weld County, CO | Oil & Gas Property | Jun 2018 |
| 1974 | SHAKE 11 | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 1975 | SHAKLEE | Weld County, CO | Oil & Gas Property | Jun 2019 |
| 1976 | SHANNON 14 | Weld County, CO | Oil & Gas Property | Sep 2016 |
| 1977 | SHARKEY | Weld County, CO | Oil & Gas Property | Nov 2021 |
| 1978 | SHARON 21 | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 1979 | SHARPE STATE LD02-7 | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 1980 | SHAW 1 | Weld County, CO | Oil & Gas Property | Nov 2023 |
| 1981 | SHEEP | Weld County, CO | Oil & Gas Property | Feb 2020 |
| 1982 | SHELEY | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 1983 | SHELTON | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 1984 | SHERLEY | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 1985 | SHERWOOD L | Weld County, CO | Oil & Gas Property | Sep 2022 |
| 1986 | SHIVERS | Weld County, CO | Oil & Gas Property | Dec 2017 |
| 1987 | SHOEMAKER | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 1988 | SHOENEMAN | Weld County, CO | Oil & Gas Property | Jul 2014 |
| 1989 | SHOVELER FED | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 1990 | SHOVELER GOLDENEYE FED 21-16-1HN | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 1991 | SHOVELER HUNT FED 19-24-16HN | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 1992 | SHOWERS | Weld County, CO | Oil & Gas Property | Apr 2021 |
| 1993 | SHUFLY STATE Y34-7 | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 1994 | SHULL | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 1995 | SHULTZ | Weld County, CO | Oil & Gas Property | Apr 2023 |
| 1996 | SHULTZ | Weld County, CO | Oil & Gas Property | Nov 2018 |
| 1997 | SHUPE 13 | Weld County, CO | Oil & Gas Property | Jan 2023 |
| 1998 | SHUR VIEW | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 1999 | SHUTT | Weld County, CO | Oil & Gas Property | Aug 2014 |
| 2000 | SICKLER | Weld County, CO | Oil & Gas Property | Feb 2024 |