| 1901 | CLEVELAND HELEN | Parker County, TX | Oil & Gas Property | Jan 2025 |
| 1902 | CLEVELAND R | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 1903 | CLEVELAND R | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 1904 | CLEVELAND STATE 57-23 | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 1905 | CLEVELAND TAYLOR UNIT | Tarrant County, TX | Oil & Gas Property | Jan 2025 |
| 1906 | CLEVELAND W | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 1907 | CLEVELAND WAYNE ET AL C | Hemphill County, TX | Oil & Gas Property | Jan 2025 |
| 1908 | CLEVY 1 | Moore County, TX | Oil & Gas Property | Jan 2025 |
| 1909 | CLICK | Cherokee County, TX | Oil & Gas Property | Dec 2024 |
| 1910 | CLICK | Howard County, TX | Oil & Gas Property | Dec 2024 |
| 1911 | CLICK ROGER W | Wilson County, TX | Oil & Gas Property | Nov 2022 |
| 1912 | CLICK-CHEVRON 14-11 | Howard County, TX | Oil & Gas Property | Dec 2024 |
| 1913 | CLIFF FEE 4 | Culberson County, TX | Oil & Gas Property | Jan 2025 |
| 1914 | CLIFFHANGER | Fayette County, TX | Oil & Gas Property | Jan 2025 |
| 1915 | CLIFFORD | Hemphill County, TX | Oil & Gas Property | Jan 2025 |
| 1916 | CLIFFORD F. SPIES G | Dewitt County, TX | Oil & Gas Property | Mar 2022 |
| 1917 | CLIFFORD UNIT | Cooke County, TX | Oil & Gas Property | Jul 2020 |
| 1918 | CLIFT BEN | Guadalupe County, TX | Oil & Gas Property | Aug 2024 |
| 1919 | CLIFT J. D | Guadalupe County, TX | Oil & Gas Property | Jul 2019 |
| 1920 | CLIFTON | Nacogdoches County, TX | Oil & Gas Property | Sep 2019 |
| 1921 | CLIFTON | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 1922 | CLIFTON 3-COOKE COUNTY | Cooke County, TX | Oil & Gas Property | May 2023 |
| 1923 | CLIFTON ARTHUR | Limestone County, TX | Oil & Gas Property | Jan 2025 |
| 1924 | CLIFTON JOE 1 | Johnson County, TX | Gas Property | Jan 2025 |
| 1925 | CLIFTON TANNAHILL | Tarrant County, TX | Gas Property | Jan 2025 |
| 1926 | CLIFTON W.B | Marion County, TX | Oil & Gas Property | Jan 2025 |
| 1927 | CLIFTON-MINNICH | Jack County, TX | Oil & Gas Property | Jan 2025 |
| 1928 | CLIMAX | Archer County, TX | Oil & Gas Property | Jan 2025 |
| 1929 | CLINCH 4238 | Irion County, TX | Oil & Gas Property | Jan 2025 |
| 1930 | CLINE | Hansford County, TX | Oil & Gas Property | Jan 2025 |
| 1931 | CLINE | Martin County, TX | Oil & Gas Property | Jan 2025 |
| 1932 | CLINE | Howard County, TX | Oil & Gas Property | Jan 2025 |
| 1933 | CLINE | Dawson County, TX | Oil & Gas Property | Jan 2025 |
| 1934 | CLINE | Dawson County, TX | Oil & Gas Property | Nov 2024 |
| 1935 | CLINE 1 | Sherman County, TX | Gas Property | Jan 2025 |
| 1936 | CLINE-GAUNTT | Wichita County, TX | Oil & Gas Property | Sep 2011 |
| 1937 | CLINGINGSMITH | Montague County, TX | Oil & Gas Property | Jan 2025 |
| 1938 | CLINGINGSMITH | Caldwell County, TX | Oil & Gas Property | Oct 2024 |
| 1939 | CLINT | Gray County, TX | Oil & Gas Property | Jan 2025 |
| 1940 | CLINTA | Borden County, TX | Oil & Gas Property | Jan 2025 |
| 1941 | CLINTON | Callahan County, TX | Oil & Gas Property | Jan 2025 |
| 1942 | CLINTON | Young County, TX | Oil & Gas Property | Jan 2025 |
| 1943 | CLNS UNIT | Young County, TX | Oil & Gas Property | Jun 2022 |
| 1944 | CLO 32 | Howard County, TX | Oil & Gas Property | Jan 2025 |
| 1945 | CLOAK STATE 56-3-9-8 | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 1946 | CLOKE | Smith County, TX | Oil & Gas Property | Jan 2025 |
| 1947 | CLONA | Martin County, TX | Oil & Gas Property | Jan 2025 |
| 1948 | CLOPTON | Gaines County, TX | Oil Property | Jan 2025 |
| 1949 | CLORETTE DEPASTO 3-11 UNIT | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 1950 | CLOSE CITY 14 | Garza County, TX | Oil & Gas Property | Nov 2024 |
| 1951 | CLOSE JONNIE | Hutchinson County, TX | Oil & Gas Property | Jan 2025 |
| 1952 | CLOSS LAND & CATTLE | Brazos County, TX | Oil & Gas Property | Dec 2024 |
| 1953 | CLOSS WEST | Brazos County, TX | Oil & Gas Property | Dec 2024 |
| 1954 | CLOSS-RULAND UNIT | Robertson County, TX | Oil & Gas Property | Dec 2024 |
| 1955 | CLOUD | Shackelford County, TX | Oil & Gas Property | Jan 2014 |
| 1956 | CLOUD | Jones County, TX | Oil Property | Jan 2025 |
| 1957 | CLOUD (STRAWN SAND) UNIT | Haskell County, TX | Oil & Gas Property | Jan 2025 |
| 1958 | CLOUGH ADELE | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 1959 | CLOUGH MICHAEL | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 1960 | CLOUS GAS UNIT | Nacogdoches County, TX | Gas Property | Jan 2025 |
| 1961 | CLOUSER M. H | Cochran County, TX | Oil & Gas Property | Jan 2025 |
| 1962 | CLOVER LEAF | Fort Bend County, TX | Oil & Gas Property | Jan 2025 |
| 1963 | CLOVERDALE 9796-F | Ward County, TX | Oil & Gas Property | Jan 2025 |
| 1964 | CLOWE | Throckmorton County, TX | Oil & Gas Property | Jan 2025 |
| 1965 | CLOWER | Rusk County, TX | Oil & Gas Property | Jan 2025 |
| 1966 | CLOWER UNIT | Montague County, TX | Oil & Gas Property | Jan 2025 |
| 1967 | CLSCM LTD | La Salle County, TX | Oil & Gas Property | Jan 2025 |
| 1968 | CLUBB WEST | Hardin County, TX | Oil & Gas Property | Jan 2025 |
| 1969 | CLUCK | Hansford County, TX | Gas Property | Dec 2024 |
| 1970 | CLUCK | Dawson County, TX | Oil & Gas Property | Jan 2025 |
| 1971 | CLUCK | Sherman County, TX | Oil & Gas Property | Jan 2025 |
| 1972 | CLUCK -D | Sherman County, TX | Oil & Gas Property | Jan 2025 |
| 1973 | CLUTE GAS UNIT | Leon County, TX | Oil & Gas Property | Jan 2025 |
| 1974 | CLUTE, M. G. GAS U | Leon County, TX | Oil & Gas Property | Jan 2025 |
| 1975 | CLUTE-DIEHL G | Leon County, TX | Oil & Gas Property | Jan 2025 |
| 1976 | CLUTTERED MIND 583 | Yoakum County, TX | Oil & Gas Property | Jan 2025 |
| 1977 | CLYBURN UNIT | Atascosa County, TX | Oil & Gas Property | Jan 2025 |
| 1978 | CLYDE | Glasscock County, TX | Oil & Gas Property | Mar 2019 |
| 1979 | CLYDE -B | Ector County, TX | Oil & Gas Property | Jan 2025 |
| 1980 | CLYDE BARROW UNIT 32-41 | Howard County, TX | Oil & Gas Property | Jan 2025 |
| 1981 | CLYDE BLAIR | Freestone County, TX | Oil & Gas Property | Jun 2015 |
| 1982 | CLYDE CLANTON | Howard County, TX | Oil & Gas Property | Oct 2018 |
| 1983 | CLYDE SMITH | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 1984 | CLYDE SMITH 2 | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 1985 | CLYDE VAN DUSEN 12 | Culberson County, TX | Oil & Gas Property | Jan 2025 |
| 1986 | CLYDE WILLIAMS UNIT | Robertson County, TX | Oil & Gas Property | Dec 2024 |
| 1987 | CLYDEAN | Upton County, TX | Oil & Gas Property | Jan 2025 |
| 1988 | CLYDESDALE | Frio County, TX | Oil & Gas Property | Jan 2025 |
| 1989 | CM MIPA ALLOC | Midland County, TX | Oil & Gas Property | Dec 2024 |
| 1990 | CM SHARE CONNER UNIT 45 | Ochiltree County, TX | Oil & Gas Property | Dec 2024 |
| 1991 | CMAJDALKA | Edwards County, TX | Gas Property | Dec 2024 |
| 1992 | CMC BLUEBONNET 17/29 UNIT | Midland County, TX | Oil & Gas Property | Jan 2025 |
| 1993 | CMC BUTTERCUP 25-37 UNIT | Midland County, TX | Oil & Gas Property | Jan 2025 |
| 1994 | CMC CANDLESTICK | Midland County, TX | Oil & Gas Property | Jan 2025 |
| 1995 | CMC FENWAY 22/34 | Midland County, TX | Oil & Gas Property | Jan 2025 |
| 1996 | CMC NIGHTSHADE 17/5 UNIT | Midland County, TX | Oil & Gas Property | Jan 2025 |
| 1997 | CMC PEONY | Midland County, TX | Oil & Gas Property | Jan 2025 |
| 1998 | CMC SNAPDRAGON 19-31 UNIT | Midland County, TX | Oil & Gas Property | Jan 2025 |
| 1999 | CMC SUNFLOWER | Midland County, TX | Oil & Gas Property | Jan 2025 |
| 2000 | CMC TIGER UNIT | Midland County, TX | Oil & Gas Property | Jan 2025 |