| Property Name | Property Location | Property Type | Most Recent Production | |
|---|---|---|---|---|
| 1901 | SIMMS | Leon County, TX | Oil Property | Nov 2025 |
| 1902 | SIMMS 30-18 | Martin County, TX | Oil & Gas Property | Nov 2025 |
| 1903 | SIMMS MARY R | Hardin County, TX | Oil & Gas Property | Aug 2006 |
| 1904 | SIMMS-HOOKS | Hardin County, TX | Oil Property | Nov 2025 |
| 1905 | SIMMS-SCHILLING | Harris County, TX | Oil & Gas Property | Nov 2025 |
| 1906 | SIMMS-SWEET | Harris County, TX | Oil & Gas Property | Nov 2025 |
| 1907 | SIMON B | Limestone County, TX | Oil & Gas Property | Nov 2025 |
| 1908 | SIMON-LITTMAN | Andrews County, TX | Oil & Gas Property | Nov 2025 |
| 1909 | SIMONS | Martin County, TX | Oil & Gas Property | Nov 2025 |
| 1910 | SIMONS E. J | Wichita County, TX | Oil & Gas Property | Oct 2025 |
| 1911 | SIMPSON | King County, TX | Oil & Gas Property | Oct 2025 |
| 1912 | SIMPSON | Lee County, TX | Oil & Gas Property | Nov 2025 |
| 1913 | SIMPSON | Nacogdoches County, TX | Gas Property | Nov 2025 |
| 1914 | SIMPSON | Mitchell County, TX | Oil & Gas Property | Nov 2025 |
| 1915 | SIMPSON | Wise County, TX | Oil & Gas Property | Nov 2025 |
| 1916 | SIMPSON | Gaines County, TX | Oil & Gas Property | Oct 2022 |
| 1917 | SIMPSON | Jack County, TX | Oil & Gas Property | Nov 2025 |
| 1918 | SIMPSON | Nolan County, TX | Oil & Gas Property | Nov 2025 |
| 1919 | SIMPSON | Eastland County, TX | Oil & Gas Property | Nov 2025 |
| 1920 | SIMPSON | Marion County, TX | Oil & Gas Property | Nov 2025 |
| 1921 | SIMPSON | Dickens County, TX | Oil & Gas Property | Oct 2025 |
| 1922 | SIMPSON 1 | Wheeler County, TX | Gas Property | Jun 2014 |
| 1923 | SIMPSON CANYON | Crockett County, TX | Oil & Gas Property | Nov 2025 |
| 1924 | SIMPSON G | Victoria County, TX | Oil & Gas Property | May 2023 |
| 1925 | SIMPSON L.M.T | Grayson County, TX | Oil & Gas Property | Nov 2025 |
| 1926 | SIMPSON LEWIS | Robertson County, TX | Oil & Gas Property | Nov 2025 |
| 1927 | SIMPSON SMITH | Howard County, TX | Oil & Gas Property | Nov 2025 |
| 1928 | SIMPSON UNIT | Montague County, TX | Oil & Gas Property | Nov 2025 |
| 1929 | SIMPSON-MANN | Irion County, TX | Oil & Gas Property | Oct 2025 |
| 1930 | SIMPSON-REES GAS UNIT | Sherman County, TX | Gas Property | Nov 2025 |
| 1931 | SIMS | San Patricio County, TX | Oil & Gas Property | Oct 2012 |
| 1932 | SIMS | Scurry County, TX | Oil & Gas Property | Nov 2025 |
| 1933 | SIMS | Nolan County, TX | Oil & Gas Property | May 2020 |
| 1934 | SIMS | Garza County, TX | Oil & Gas Property | Oct 2025 |
| 1935 | SIMS ALTON | Limestone County, TX | Oil & Gas Property | Nov 2025 |
| 1936 | SIMS COLLIE | Limestone County, TX | Oil & Gas Property | Nov 2025 |
| 1937 | SIMS GAS UNIT | Limestone County, TX | Oil & Gas Property | Sep 2025 |
| 1938 | SIMS H. T | Scurry County, TX | Oil & Gas Property | Aug 2025 |
| 1939 | SIMS L. P. BROTHERS | Limestone County, TX | Oil & Gas Property | Nov 2025 |
| 1940 | SIMS ROBERT | Limestone County, TX | Oil & Gas Property | Nov 2025 |
| 1941 | SIMS ROLLIE | Harrison County, TX | Oil & Gas Property | Nov 2025 |
| 1942 | SIMS THOMAS P | Wise County, TX | Oil & Gas Property | Nov 2025 |
| 1943 | SIN-HARRAH | Gray County, TX | Oil & Gas Property | Oct 2025 |
| 1944 | SINAI | Gaines County, TX | Oil Property | Nov 2025 |
| 1945 | SINAST GAS UNIT | Dewitt County, TX | Oil & Gas Property | Nov 2025 |
| 1946 | SINCLAIR 57 H | Upton County, TX | Oil & Gas Property | Nov 2025 |
| 1947 | SINCLAIR 8 | Reagan County, TX | Oil & Gas Property | Nov 2025 |
| 1948 | SINCLAIR-CLAYTON 1 | Crockett County, TX | Oil & Gas Property | Nov 2025 |
| 1949 | SINCLAIR-SEALY | Winkler County, TX | Oil & Gas Property | Sep 2022 |
| 1950 | SINCLAIR-UNIVERSITY | Andrews County, TX | Oil & Gas Property | Nov 2025 |
| 1951 | SINGER | Zapata County, TX | Oil & Gas Property | Nov 2025 |
| 1952 | SINGER | Upton County, TX | Oil & Gas Property | Nov 2025 |
| 1953 | SINGER ANDERS GAS UNIT | Zapata County, TX | Oil & Gas Property | Nov 2025 |
| 1954 | SINGER GAS UNIT 1 | Zapata County, TX | Oil & Gas Property | Nov 2025 |
| 1955 | SINGER STEVEN | Caldwell County, TX | Oil & Gas Property | Nov 2025 |
| 1956 | SINGLETON | Palo Pinto County, TX | Oil & Gas Property | Nov 2025 |
| 1957 | SINGLETON | Palo Pinto County, TX | Oil & Gas Property | Mar 2022 |
| 1958 | SINGLETON | Palo Pinto County, TX | Oil & Gas Property | Nov 2025 |
| 1959 | SINGLETON | Wise County, TX | Oil & Gas Property | Nov 2025 |
| 1960 | SINISTER KID | Yoakum County, TX | Oil & Gas Property | Nov 2025 |
| 1961 | SINK | Howard County, TX | Oil & Gas Property | Nov 2025 |
| 1962 | SINOR RANCH | Live Oak County, TX | Oil & Gas Property | Nov 2025 |
| 1963 | SINOR WILCOX UNIT | Live Oak County, TX | Oil & Gas Property | Nov 2025 |
| 1964 | SIPAPU | Glasscock County, TX | Oil & Gas Property | Nov 2025 |
| 1965 | SIPAPU 246 A | Martin County, TX | Oil & Gas Property | Nov 2025 |
| 1966 | SIPES ETAL | Wise County, TX | Oil & Gas Property | Nov 2025 |
| 1967 | SIPES, C.D | Wise County, TX | Oil & Gas Property | Nov 2025 |
| 1968 | SIPPEL 01 0 | Karnes County, TX | Oil & Gas Property | Nov 2025 |
| 1969 | SIPTAK EF UNIT | Burleson County, TX | Oil & Gas Property | Oct 2025 |
| 1970 | SIR BARTON 4 S | Culberson County, TX | Oil & Gas Property | Nov 2025 |
| 1971 | SIREN UNIT 36-48 | Borden County, TX | Oil & Gas Property | Nov 2025 |
| 1972 | SIRES | Terry County, TX | Oil & Gas Property | Nov 2025 |
| 1973 | SISK | Wichita County, TX | Oil & Gas Property | Nov 2025 |
| 1974 | SISK 40 ACRES | Matagorda County, TX | Oil Property | Nov 2025 |
| 1975 | SISTERS | Lipscomb County, TX | Oil & Gas Property | Feb 2021 |
| 1976 | SISTERS | Nolan County, TX | Oil & Gas Property | Dec 2020 |
| 1977 | SISTERS 17 | Pecos County, TX | Oil & Gas Property | Nov 2025 |
| 1978 | SISTI EAST UNIT | Karnes County, TX | Oil & Gas Property | Nov 2025 |
| 1979 | SISTI UNIT A | Karnes County, TX | Oil & Gas Property | Nov 2025 |
| 1980 | SISTI WEST UNIT | Karnes County, TX | Oil & Gas Property | Nov 2025 |
| 1981 | SITES | Glasscock County, TX | Oil & Gas Property | Nov 2025 |
| 1982 | SITTA, R. E., ETAL | Hardeman County, TX | Oil & Gas Property | Sep 2021 |
| 1983 | SITTER | Wheeler County, TX | Oil & Gas Property | Nov 2025 |
| 1984 | SITTING BULL UNIT | Tarrant County, TX | Oil & Gas Property | Nov 2025 |
| 1985 | SITTON | Palo Pinto County, TX | Oil & Gas Property | Nov 2025 |
| 1986 | SITTON GU 1 | Nacogdoches County, TX | Oil & Gas Property | Oct 2025 |
| 1987 | SITZ UNIT | Wise County, TX | Oil & Gas Property | Nov 2025 |
| 1988 | SITZ-DOYLE SITZ SOUTH | Wise County, TX | Oil & Gas Property | Nov 2025 |
| 1989 | SIVELLS BEND UNIT (BASAL PENN) | Cooke County, TX | Oil & Gas Property | Oct 2025 |
| 1990 | SIX HEARTS, LTD., ET AL | Terry County, TX | Oil & Gas Property | Nov 2025 |
| 1991 | SIX-ROOS | Duval County, TX | Oil & Gas Property | Aug 2025 |
| 1992 | SIXTEEN PENNY NAIL 310 | Martin County, TX | Oil & Gas Property | Nov 2025 |
| 1993 | SIXTEEN STONE 416 | Yoakum County, TX | Oil & Gas Property | Nov 2025 |
| 1994 | SIZELOVE | Cooke County, TX | Oil & Gas Property | Oct 2025 |
| 1995 | SJI 1 | Live Oak County, TX | Oil & Gas Property | Nov 2025 |
| 1996 | SJM UNIT | La Salle County, TX | Oil & Gas Property | Nov 2025 |
| 1997 | SJOBERG 01 01H | Karnes County, TX | Oil & Gas Property | Nov 2025 |
| 1998 | SJWF | Dickens County, TX | Oil & Gas Property | Nov 2025 |
| 1999 | SKAGGS | Live Oak County, TX | Oil & Gas Property | Nov 2025 |
| 2000 | SKAGGS | Johnson County, TX | Gas Property | Nov 2025 |