| 2001 | SLAT | Ector County, TX | Oil & Gas Property | Aug 2015 |
| 2002 | SLATER | Howard County, TX | Oil & Gas Property | Dec 2024 |
| 2003 | SLATER | Young County, TX | Oil & Gas Property | Jan 2025 |
| 2004 | SLATON G.H | Gregg County, TX | Oil & Gas Property | Jan 2025 |
| 2005 | SLATOR | Ector County, TX | Oil & Gas Property | Jan 2025 |
| 2006 | SLATOR | Upton County, TX | Oil & Gas Property | Jan 2025 |
| 2007 | SLATOR A TRACT | Ector County, TX | Oil & Gas Property | Jan 2025 |
| 2008 | SLATOR RANCH | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 2009 | SLATOR RANCH A | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 2010 | SLATTON | Martin County, TX | Oil & Gas Property | Dec 2024 |
| 2011 | SLAUGHTER | Hockley County, TX | Oil & Gas Property | Jan 2025 |
| 2012 | SLAUGHTER | Pecos County, TX | Oil & Gas Property | Jan 2025 |
| 2013 | SLAUGHTER | Clay County, TX | Oil & Gas Property | Jan 2025 |
| 2014 | SLAUGHTER | Ochiltree County, TX | Oil & Gas Property | Jan 2025 |
| 2015 | SLAUGHTER | Borden County, TX | Oil & Gas Property | Jan 2025 |
| 2016 | SLAUGHTER | Martin County, TX | Oil & Gas Property | Dec 2024 |
| 2017 | SLAUGHTER | Reagan County, TX | Oil & Gas Property | Jan 2025 |
| 2018 | SLAUGHTER | Garza County, TX | Oil & Gas Property | Jan 2025 |
| 2019 | SLAUGHTER | Cochran County, TX | Oil & Gas Property | Jan 2025 |
| 2020 | SLAUGHTER | Martin County, TX | Oil & Gas Property | Jan 2025 |
| 2021 | SLAUGHTER | Matagorda County, TX | Oil & Gas Property | Jan 2025 |
| 2022 | SLAUGHTER | Webb County, TX | Oil & Gas Property | Jan 2025 |
| 2023 | SLAUGHTER | Hockley County, TX | Oil & Gas Property | Jan 2025 |
| 2024 | SLAUGHTER | Hockley County, TX | Oil & Gas Property | Jan 2025 |
| 2025 | SLAUGHTER 42 | Dawson County, TX | Oil Property | Jan 2025 |
| 2026 | SLAUGHTER 7 | Martin County, TX | Oil & Gas Property | Jan 2025 |
| 2027 | SLAUGHTER A | Clay County, TX | Oil & Gas Property | Oct 2024 |
| 2028 | SLAUGHTER A | Hockley County, TX | Oil & Gas Property | Jan 2025 |
| 2029 | SLAUGHTER CONSOLIDATED | Hockley County, TX | Oil & Gas Property | Jan 2025 |
| 2030 | SLAUGHTER DOROTHY | Grayson County, TX | Oil & Gas Property | Jan 2025 |
| 2031 | SLAUGHTER ESTATE | Cochran County, TX | Oil & Gas Property | Feb 2000 |
| 2032 | SLAUGHTER ESTATE UNIT | Hockley County, TX | Oil & Gas Property | Jan 2025 |
| 2033 | SLAUGHTER GAS UNIT 1 | Karnes County, TX | Oil & Gas Property | Jan 2025 |
| 2034 | SLAUGHTER GAS UNIT B | Harrison County, TX | Oil & Gas Property | Jan 2025 |
| 2035 | SLAUGHTER HEIGHTS UNIT | Tarrant County, TX | Gas Property | Jan 2025 |
| 2036 | SLAUGHTER NW. (SAN ANDRES) UNIT | Cochran County, TX | Oil & Gas Property | Jan 2025 |
| 2037 | SLAUGHTER, LILIA BRUNI | Webb County, TX | Oil & Gas Property | Jan 2025 |
| 2038 | SLAUGHTER-RHODES TRUST C | Karnes County, TX | Oil & Gas Property | Jan 2025 |
| 2039 | SLAVIN | Ochiltree County, TX | Oil & Gas Property | Jan 2025 |
| 2040 | SLAY | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 2041 | SLAY C. W | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 2042 | SLAYTON UNIT | Smith County, TX | Oil & Gas Property | Jan 2025 |
| 2043 | SLC PRATT | Wichita County, TX | Oil & Gas Property | Aug 2013 |
| 2044 | SLC RAMMING | Wichita County, TX | Oil & Gas Property | Dec 2024 |
| 2045 | SLC SEC. 121 | Jones County, TX | Oil & Gas Property | Jan 2025 |
| 2046 | SLEDGE | Reeves County, TX | Oil & Gas Property | Nov 2024 |
| 2047 | SLEDGE SISTERS | Johnson County, TX | Gas Property | Jan 2025 |
| 2048 | SLEDGE UNIT | Lee County, TX | Oil & Gas Property | Dec 2024 |
| 2049 | SLEDGE UNIT 06-07 | Howard County, TX | Oil & Gas Property | Jan 2025 |
| 2050 | SLEDGE-NEWTON 07-43 | Howard County, TX | Oil & Gas Property | Jan 2025 |
| 2051 | SLEDGEHAMMER 69 | Hansford County, TX | Oil & Gas Property | Jan 2025 |
| 2052 | SLEEPER | Terry County, TX | Oil & Gas Property | Jan 2025 |
| 2053 | SLEEPING INDIAN A | Ward County, TX | Oil & Gas Property | Jan 2025 |
| 2054 | SLEMMONS | Palo Pinto County, TX | Oil & Gas Property | Apr 2020 |
| 2055 | SLICK | Gonzales County, TX | Oil & Gas Property | Jan 2025 |
| 2056 | SLICK | Bee County, TX | Oil & Gas Property | May 2008 |
| 2057 | SLICK | Starr County, TX | Oil & Gas Property | Jan 2025 |
| 2058 | SLICK EST | Starr County, TX | Oil & Gas Property | Jan 2025 |
| 2059 | SLICK EST | Starr County, TX | Oil & Gas Property | Jan 2025 |
| 2060 | SLICK SAND OIL UNIT | Bee County, TX | Oil & Gas Property | May 2010 |
| 2061 | SLICK T B | Starr County, TX | Oil & Gas Property | Jan 2025 |
| 2062 | SLICK, T.B | Starr County, TX | Oil & Gas Property | Jan 2025 |
| 2063 | SLICK-STATE | Starr County, TX | Oil & Gas Property | Jan 2025 |
| 2064 | SLIDER | Martin County, TX | Oil & Gas Property | Jan 2025 |
| 2065 | SLIMP J | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 2066 | SLIMP J. GAS UNIT NO. 1 11 | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 2067 | SLING | Duval County, TX | Oil & Gas Property | Jan 2025 |
| 2068 | SLINGING UNIT | Grayson County, TX | Oil & Gas Property | Jan 2025 |
| 2069 | SLINGSHOT | Loving County, TX | Oil & Gas Property | Jan 2025 |
| 2070 | SLINGSHOT ENGAGED UNIT 75-82 | Martin County, TX | Oil & Gas Property | Jan 2025 |
| 2071 | SLIVA | Lee County, TX | Oil & Gas Property | Oct 1995 |
| 2072 | SLIVA W. J | Fort Bend County, TX | Oil & Gas Property | Jan 2025 |
| 2073 | SLO-POKE 149 HG | Ward County, TX | Oil & Gas Property | Jan 2025 |
| 2074 | SLOAN | Navarro County, TX | Oil & Gas Property | Oct 2022 |
| 2075 | SLOAN | Stephens County, TX | Oil & Gas Property | Jan 2025 |
| 2076 | SLOAN | Throckmorton County, TX | Oil & Gas Property | Dec 2024 |
| 2077 | SLOAN | Jones County, TX | Oil Property | Jan 2025 |
| 2078 | SLOAN | Shackelford County, TX | Oil & Gas Property | Jan 2025 |
| 2079 | SLOAN | Shackelford County, TX | Oil & Gas Property | Jan 2025 |
| 2080 | SLOAN | Jack County, TX | Oil & Gas Property | Jan 2025 |
| 2081 | SLOAN | Ward County, TX | Oil & Gas Property | Jan 2025 |
| 2082 | SLOAN 1H | Johnson County, TX | Gas Property | Jan 2025 |
| 2083 | SLOAN A | Sherman County, TX | Gas Property | Jan 2025 |
| 2084 | SLOAN LAURA | Navarro County, TX | Oil & Gas Property | Jan 2025 |
| 2085 | SLOAN ROSS | Shackelford County, TX | Oil & Gas Property | Feb 2019 |
| 2086 | SLOAN-MARTIN | Stephens County, TX | Oil & Gas Property | Jan 2025 |
| 2087 | SLONE | Matagorda County, TX | Oil & Gas Property | Jan 2025 |
| 2088 | SLONE | Harrison County, TX | Oil & Gas Property | Jan 2025 |
| 2089 | SLOOP | Winkler County, TX | Oil & Gas Property | Dec 2024 |
| 2090 | SLOSS UNIT | Montague County, TX | Oil & Gas Property | Jan 2025 |
| 2091 | SLOUGH B | Brazos County, TX | Oil & Gas Property | Dec 2024 |
| 2092 | SLOVACEK | Burleson County, TX | Oil & Gas Property | Dec 2024 |
| 2093 | SLOVACEK-G | Burleson County, TX | Oil & Gas Property | Jan 2025 |
| 2094 | SLOVACEK-SLOVACEK UNIT | Burleson County, TX | Oil & Gas Property | Dec 2024 |
| 2095 | SLOVER ET AL | Rusk County, TX | Oil & Gas Property | Jan 2025 |
| 2096 | SLUSHER | Jack County, TX | Oil & Gas Property | Jan 2025 |
| 2097 | SLUSHER | Palo Pinto County, TX | Oil & Gas Property | Jan 2025 |
| 2098 | SLYDELL | Martin County, TX | Oil & Gas Property | Jan 2025 |
| 2099 | SLYTHERIN | La Salle County, TX | Oil & Gas Property | Jan 2025 |
| 2100 | SMAILS | Howard County, TX | Oil & Gas Property | Jan 2025 |