| 1901 | CLIFF FEE 4 | Culberson County, TX | Oil & Gas Property | Dec 2025 |
| 1902 | CLIFFHANGER | Fayette County, TX | Oil & Gas Property | Dec 2025 |
| 1903 | CLIFFORD | Hemphill County, TX | Oil & Gas Property | Dec 2025 |
| 1904 | CLIFFORD F. SPIES G | Dewitt County, TX | Oil & Gas Property | Mar 2022 |
| 1905 | CLIFFORD UNIT | Cooke County, TX | Oil & Gas Property | Jul 2020 |
| 1906 | CLIFT BEN | Guadalupe County, TX | Oil & Gas Property | Aug 2024 |
| 1907 | CLIFT, J.D | Guadalupe County, TX | Oil & Gas Property | Jul 2019 |
| 1908 | CLIFTON | Nacogdoches County, TX | Oil & Gas Property | Sep 2019 |
| 1909 | CLIFTON | Wise County, TX | Oil & Gas Property | Dec 2025 |
| 1910 | CLIFTON 3-COOKE COUNTY | Cooke County, TX | Oil & Gas Property | Dec 2025 |
| 1911 | CLIFTON ARTHUR | Limestone County, TX | Oil & Gas Property | Dec 2025 |
| 1912 | CLIFTON JOE 1 | Johnson County, TX | Gas Property | Nov 2025 |
| 1913 | CLIFTON TANNAHILL | Tarrant County, TX | Gas Property | Dec 2025 |
| 1914 | CLIFTON W.B | Marion County, TX | Oil & Gas Property | Dec 2025 |
| 1915 | CLIFTON-MINNICH | Jack County, TX | Oil & Gas Property | Dec 2025 |
| 1916 | CLIMAX | Archer County, TX | Oil & Gas Property | Dec 2025 |
| 1917 | CLINCH 4238 | Irion County, TX | Oil & Gas Property | Dec 2025 |
| 1918 | CLINE | Hansford County, TX | Oil & Gas Property | Dec 2025 |
| 1919 | CLINE | Martin County, TX | Oil & Gas Property | Dec 2025 |
| 1920 | CLINE | Howard County, TX | Oil & Gas Property | Dec 2025 |
| 1921 | CLINE | Dawson County, TX | Oil & Gas Property | Dec 2025 |
| 1922 | CLINE | Dawson County, TX | Oil & Gas Property | Nov 2025 |
| 1923 | CLINE 1 | Sherman County, TX | Gas Property | Dec 2025 |
| 1924 | CLINE-GAUNTT | Wichita County, TX | Oil & Gas Property | Sep 2011 |
| 1925 | CLINGINGSMITH | Montague County, TX | Oil & Gas Property | Dec 2025 |
| 1926 | CLINGINGSMITH | Caldwell County, TX | Oil & Gas Property | Dec 2025 |
| 1927 | CLINT | Gray County, TX | Oil & Gas Property | Dec 2025 |
| 1928 | CLINTA | Borden County, TX | Oil & Gas Property | Dec 2025 |
| 1929 | CLINTON | Callahan County, TX | Oil & Gas Property | Dec 2025 |
| 1930 | CLINTON | Young County, TX | Oil & Gas Property | Dec 2025 |
| 1931 | CLNS UNIT | Young County, TX | Oil & Gas Property | Jun 2022 |
| 1932 | CLOAK STATE 56-3-9-8 | Reeves County, TX | Oil & Gas Property | Dec 2025 |
| 1933 | CLOKE | Smith County, TX | Oil & Gas Property | Dec 2025 |
| 1934 | CLONA | Martin County, TX | Oil & Gas Property | Dec 2025 |
| 1935 | CLOPTON | Gaines County, TX | Oil Property | Dec 2025 |
| 1936 | CLORETTE DEPASTO 3-11 UNIT | Reeves County, TX | Oil & Gas Property | Nov 2025 |
| 1937 | CLOSE CITY 14 | Garza County, TX | Oil & Gas Property | Dec 2025 |
| 1938 | CLOSE JONNIE | Hutchinson County, TX | Oil & Gas Property | Dec 2025 |
| 1939 | CLOSS LAND & CATTLE | Brazos County, TX | Oil & Gas Property | Nov 2025 |
| 1940 | CLOSS WEST | Brazos County, TX | Oil & Gas Property | Nov 2025 |
| 1941 | CLOSS-RULAND UNIT | Robertson County, TX | Oil & Gas Property | Nov 2025 |
| 1942 | CLOUD | Shackelford County, TX | Oil & Gas Property | Jan 2014 |
| 1943 | CLOUD | Jones County, TX | Oil Property | Dec 2025 |
| 1944 | CLOUD (STRAWN SAND) UNIT | Haskell County, TX | Oil & Gas Property | Dec 2025 |
| 1945 | CLOUDCROFT | Glasscock County, TX | Oil & Gas Property | Dec 2025 |
| 1946 | CLOUGH ADELE | Wise County, TX | Oil & Gas Property | Dec 2025 |
| 1947 | CLOUGH MICHAEL | Wise County, TX | Oil & Gas Property | Dec 2025 |
| 1948 | CLOUS GAS UNIT | Nacogdoches County, TX | Gas Property | Dec 2025 |
| 1949 | CLOUSER M. H | Cochran County, TX | Oil & Gas Property | Dec 2025 |
| 1950 | CLOVER LEAF | Fort Bend County, TX | Oil & Gas Property | Dec 2025 |
| 1951 | CLOVERDALE 9796-F | Ward County, TX | Oil & Gas Property | Dec 2025 |
| 1952 | CLOWE | Throckmorton County, TX | Oil & Gas Property | Dec 2025 |
| 1953 | CLOWER | Rusk County, TX | Oil & Gas Property | Nov 2025 |
| 1954 | CLOWER | Harrison County, TX | Oil & Gas Property | Dec 2025 |
| 1955 | CLOWER UNIT | Montague County, TX | Oil & Gas Property | Dec 2025 |
| 1956 | CLSCM LTD | La Salle County, TX | Oil & Gas Property | Nov 2025 |
| 1957 | CLUBB WEST | Hardin County, TX | Oil & Gas Property | Dec 2025 |
| 1958 | CLUCK | Hansford County, TX | Gas Property | Dec 2025 |
| 1959 | CLUCK | Dawson County, TX | Oil & Gas Property | Dec 2025 |
| 1960 | CLUCK | Sherman County, TX | Oil & Gas Property | Dec 2025 |
| 1961 | CLUCK -D | Sherman County, TX | Oil & Gas Property | Dec 2025 |
| 1962 | CLUTE GAS UNIT | Leon County, TX | Oil & Gas Property | Dec 2025 |
| 1963 | CLUTE, M. G. GAS U | Leon County, TX | Oil & Gas Property | Dec 2025 |
| 1964 | CLUTE-DIEHL G | Leon County, TX | Oil & Gas Property | Dec 2025 |
| 1965 | CLUTTERED MIND 583 | Yoakum County, TX | Oil & Gas Property | Dec 2025 |
| 1966 | CLYBURN UNIT | Atascosa County, TX | Oil & Gas Property | Dec 2025 |
| 1967 | CLYDE | Glasscock County, TX | Oil & Gas Property | Mar 2019 |
| 1968 | CLYDE -B | Ector County, TX | Oil & Gas Property | Dec 2025 |
| 1969 | CLYDE BARROW UNIT 32-41 | Howard County, TX | Oil & Gas Property | Dec 2025 |
| 1970 | CLYDE BLAIR | Freestone County, TX | Oil & Gas Property | Jun 2015 |
| 1971 | CLYDE CLANTON | Howard County, TX | Oil & Gas Property | Oct 2018 |
| 1972 | CLYDE SMITH | Wise County, TX | Oil & Gas Property | Dec 2025 |
| 1973 | CLYDE SMITH 2 | Wise County, TX | Oil & Gas Property | Dec 2025 |
| 1974 | CLYDE VAN DUSEN 12 | Culberson County, TX | Oil & Gas Property | Dec 2025 |
| 1975 | CLYDE WILLIAMS UNIT | Robertson County, TX | Oil & Gas Property | Nov 2025 |
| 1976 | CLYDEAN | Upton County, TX | Oil & Gas Property | Dec 2025 |
| 1977 | CLYDESDALE | Atascosa County, TX | Oil & Gas Property | Jan 2026 |
| 1978 | CLYDESDALE | Frio County, TX | Oil & Gas Property | Dec 2025 |
| 1979 | CM MIPA ALLOC | Midland County, TX | Oil & Gas Property | Nov 2025 |
| 1980 | CMAJDALKA | Edwards County, TX | Gas Property | Oct 2025 |
| 1981 | CMC BLUEBONNET 17/29 UNIT | Midland County, TX | Oil & Gas Property | Dec 2025 |
| 1982 | CMC BUTTERCUP 25-37 UNIT | Midland County, TX | Oil & Gas Property | Dec 2025 |
| 1983 | CMC CAMDEN-FENWAY 22-34 | Midland County, TX | Oil & Gas Property | Dec 2025 |
| 1984 | CMC CANDLESTICK | Midland County, TX | Oil & Gas Property | Dec 2025 |
| 1985 | CMC FENWAY 22/34 | Midland County, TX | Oil & Gas Property | Dec 2025 |
| 1986 | CMC NIGHTSHADE 17/5 UNIT | Midland County, TX | Oil & Gas Property | Dec 2025 |
| 1987 | CMC PEONY | Midland County, TX | Oil & Gas Property | Dec 2025 |
| 1988 | CMC PORTERHOUSE | Midland County, TX | Oil & Gas Property | Jan 2026 |
| 1989 | CMC RIBEYE 34/35 | Midland County, TX | Oil & Gas Property | Dec 2025 |
| 1990 | CMC SNAPDRAGON 19-31 UNIT | Midland County, TX | Oil & Gas Property | Dec 2025 |
| 1991 | CMC SUNFLOWER | Midland County, TX | Oil & Gas Property | Dec 2025 |
| 1992 | CMC TIGER UNIT | Midland County, TX | Oil & Gas Property | Dec 2025 |
| 1993 | CME UNIT | Gonzales County, TX | Oil & Gas Property | Dec 2025 |
| 1994 | CMF CORPORATION | Sherman County, TX | Gas Property | Dec 2025 |
| 1995 | CML TRUST | Wharton County, TX | Oil & Gas Property | Jan 2025 |
| 1996 | CMTT | Clay County, TX | Oil & Gas Property | Dec 2025 |
| 1997 | CMWW | Dimmit County, TX | Oil & Gas Property | Dec 2025 |
| 1998 | CMWW | Dimmit County, TX | Oil & Gas Property | Dec 2025 |
| 1999 | CMWW HC | Dimmit County, TX | Oil & Gas Property | Dec 2025 |
| 2000 | CMWW UNIT | Dimmit County, TX | Oil & Gas Property | Dec 2025 |