| 2001 | SCHNEIDER | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2002 | SCHNEIDER | Weld County, CO | Oil & Gas Property | Jan 2012 |
| 2003 | SCHNEIDER | Weld County, CO | Oil & Gas Property | Apr 2021 |
| 2004 | SCHNEIDER | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2005 | SCHNEIDER 19 | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2006 | SCHOLFIELD | Weld County, CO | Oil & Gas Property | Apr 2024 |
| 2007 | SCHOMBER | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2008 | SCHOTT B 33 | Weld County, CO | Oil & Gas Property | Jun 2012 |
| 2009 | SCHRUTE | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2010 | SCHRUTE FARMS 9 | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2011 | SCHWAB 26 | Weld County, CO | Oil & Gas Property | Oct 2019 |
| 2012 | SCOOTER | Weld County, CO | Oil & Gas Property | Nov 2023 |
| 2013 | SCOTT | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2014 | SCOTT N27 | Weld County, CO | Oil & Gas Property | Apr 2017 |
| 2015 | SCOTTSDALE | Weld County, CO | Oil & Gas Property | Dec 2024 |
| 2016 | SEATON | Weld County, CO | Oil & Gas Property | Jan 2019 |
| 2017 | SEBASTYEN PC 023-63HC | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2018 | SEC FOUR | Weld County, CO | Oil & Gas Property | Apr 2019 |
| 2019 | SEELE | Weld County, CO | Oil & Gas Property | Dec 2020 |
| 2020 | SEELEY | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2021 | SEELEY FEDERAL 108 | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2022 | SEGAL | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2023 | SEIFRIED | Weld County, CO | Oil & Gas Property | Jun 2008 |
| 2024 | SEKICH | Weld County, CO | Oil & Gas Property | Jul 2021 |
| 2025 | SEKICH STATE | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2026 | SENA 15-2 | Weld County, CO | Oil & Gas Property | Jan 2018 |
| 2027 | SENECA E 15-72-1H | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2028 | SEVENTY HOLES | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2029 | SEYFRIED | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 2030 | SEYLER | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2031 | SHABLE | Weld County, CO | Oil & Gas Property | Oct 2024 |
| 2032 | SHABLE | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2033 | SHABLE | Weld County, CO | Oil & Gas Property | Jun 2022 |
| 2034 | SHABLE | Weld County, CO | Oil & Gas Property | Jul 2017 |
| 2035 | SHABLE | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2036 | SHABLE USX | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2037 | SHADOW | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2038 | SHAFER | Weld County, CO | Oil & Gas Property | Sep 2019 |
| 2039 | SHAFTO J27 | Weld County, CO | Oil & Gas Property | Aug 2018 |
| 2040 | SHAKE 11 | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2041 | SHAKLEE | Weld County, CO | Oil & Gas Property | Jun 2019 |
| 2042 | SHALLOT 1930 | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2043 | SHANNON 14 | Weld County, CO | Oil & Gas Property | Sep 2016 |
| 2044 | SHARKEY | Weld County, CO | Oil & Gas Property | Nov 2021 |
| 2045 | SHARON 21 | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2046 | SHARPE STATE LD02-7 | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2047 | SHAW 1 | Weld County, CO | Oil & Gas Property | Jun 2024 |
| 2048 | SHEEP | Weld County, CO | Oil & Gas Property | Feb 2020 |
| 2049 | SHELEY | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2050 | SHELTON | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2051 | SHERLEY | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2052 | SHERWOOD L | Weld County, CO | Oil & Gas Property | Sep 2022 |
| 2053 | SHIVERS | Weld County, CO | Oil & Gas Property | Dec 2017 |
| 2054 | SHOEMAKER | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2055 | SHOENEMAN | Weld County, CO | Oil & Gas Property | Sep 2014 |
| 2056 | SHOVELER FED | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2057 | SHOVELER GOLDENEYE FED 21-16-1HN | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2058 | SHOVELER HUNT FED 19-24-16HN | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2059 | SHOWERS | Weld County, CO | Oil & Gas Property | Apr 2021 |
| 2060 | SHUFLY STATE Y34-7 | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2061 | SHULL | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2062 | SHULTZ | Weld County, CO | Oil & Gas Property | Apr 2023 |
| 2063 | SHULTZ | Weld County, CO | Oil & Gas Property | Nov 2018 |
| 2064 | SHUPE 13 | Weld County, CO | Oil & Gas Property | Jan 2023 |
| 2065 | SHUR VIEW | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2066 | SHUTT | Weld County, CO | Oil & Gas Property | Aug 2014 |
| 2067 | SICKLER | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2068 | SIDNEY STREAR | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2069 | SIDWELL | Weld County, CO | Oil & Gas Property | Dec 2015 |
| 2070 | SIEBRING | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2071 | SIEVERS | Weld County, CO | Oil & Gas Property | Mar 2024 |
| 2072 | SIEVERS | Weld County, CO | Oil & Gas Property | Sep 2020 |
| 2073 | SIGG | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 2074 | SILVA | Weld County, CO | Oil & Gas Property | Aug 2019 |
| 2075 | SILVERTON 5 | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2076 | SIMMONS | Weld County, CO | Oil & Gas Property | Feb 2023 |
| 2077 | SIMONSEN | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2078 | SIMONSEN-SCHAEFER 7 | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 2079 | SIMPSON | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2080 | SIMPSON | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2081 | SINGER E 34 | Weld County, CO | Oil & Gas Property | Aug 2016 |
| 2082 | SINJIN | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2083 | SIRIOS | Weld County, CO | Oil & Gas Property | May 2013 |
| 2084 | SIRIOS BROTHERS | Weld County, CO | Oil & Gas Property | Sep 2015 |
| 2085 | SITZMAN | Weld County, CO | Oil & Gas Property | Dec 2017 |
| 2086 | SITZMAN | Weld County, CO | Oil & Gas Property | May 2017 |
| 2087 | SITZMAN | Weld County, CO | Oil & Gas Property | Oct 2016 |
| 2088 | SITZMAN | Weld County, CO | Oil & Gas Property | Apr 2013 |
| 2089 | SKIM | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2090 | SKIM STATE | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2091 | SKURICH | Weld County, CO | Oil & Gas Property | Mar 2019 |
| 2092 | SKYWAY | Weld County, CO | Oil & Gas Property | Aug 2019 |
| 2093 | SLATER | Weld County, CO | Oil & Gas Property | Jul 2018 |
| 2094 | SLEDGE C 9 | Weld County, CO | Oil & Gas Property | Sep 2016 |
| 2095 | SLICK ROCK | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2096 | SLW GREEN STATE BB 18 | Weld County, CO | Oil & Gas Property | Feb 2021 |
| 2097 | SLW RANCH | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 2098 | SLW STATE | Weld County, CO | Oil & Gas Property | Jun 2021 |
| 2099 | SMITH | Weld County, CO | Oil & Gas Property | Oct 2016 |
| 2100 | SMITH STATE LD12-7 | Weld County, CO | Oil & Gas Property | Feb 2025 |