| 1901 | BLACKTOP 21601 | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 1902 | BLACKWATCH (SAN ANDRES) UNIT | Gaines County, TX | Oil & Gas Property | Jun 2026 |
| 1903 | BLACKWELL | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 1904 | BLACKWELL | Caldwell County, TX | Oil & Gas Property | Jun 2026 |
| 1905 | BLACKWELL | Yoakum County, TX | Oil & Gas Property | Jun 2026 |
| 1906 | BLACKWELL | Wood County, TX | Oil & Gas Property | Jun 2026 |
| 1907 | BLACKWELL | Smith County, TX | Oil & Gas Property | Jun 2026 |
| 1908 | BLACKWELL | Upton County, TX | Oil & Gas Property | Jun 2026 |
| 1909 | BLACKWELL | Taylor County, TX | Oil & Gas Property | Jun 2026 |
| 1910 | BLACKWELL | Wichita County, TX | Oil & Gas Property | Nov 2016 |
| 1911 | BLACKWELL A | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 1912 | BLACKWELL A-DLUGOSCH A SA | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 1913 | BLACKWELL A. H | Erath County, TX | Gas Property | Jun 2026 |
| 1914 | BLACKWELL TRUST GAS UNIT | Dewitt County, TX | Oil & Gas Property | Mar 2022 |
| 1915 | BLACKWELL-EYHORN | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 1916 | BLACKWOOD | Tyler County, TX | Oil & Gas Property | Apr 2026 |
| 1917 | BLACKWOOD | Taylor County, TX | Oil & Gas Property | May 2026 |
| 1918 | BLAGRAVE | Martin County, TX | Oil & Gas Property | Jun 2026 |
| 1919 | BLAGRAVE | Howard County, TX | Oil & Gas Property | Jun 2026 |
| 1920 | BLAGRAVE 1 | Howard County, TX | Oil & Gas Property | Jun 2026 |
| 1921 | BLAGRAVE 5 | Martin County, TX | Oil & Gas Property | Jun 2026 |
| 1922 | BLAHA | Lee County, TX | Oil & Gas Property | May 2022 |
| 1923 | BLAHA UNIT | McMullen County, TX | Oil & Gas Property | Jun 2026 |
| 1924 | BLAHA-DILWORTH (SA | McMullen County, TX | Oil & Gas Property | Jun 2026 |
| 1925 | BLAIN, LOVEL A. III | Dewitt County, TX | Oil & Gas Property | Mar 2011 |
| 1926 | BLAINS CREEK GAS UNIT | Limestone County, TX | Oil & Gas Property | Jun 2026 |
| 1927 | BLAIR | Denton County, TX | Oil & Gas Property | Jun 2026 |
| 1928 | BLAIR | Ward County, TX | Oil & Gas Property | Jun 2026 |
| 1929 | BLAIR | Freestone County, TX | Oil & Gas Property | Jun 2026 |
| 1930 | BLAIR | Robertson County, TX | Oil & Gas Property | Jun 2026 |
| 1931 | BLAIR | Yoakum County, TX | Oil & Gas Property | Jun 2026 |
| 1932 | BLAIR | Tarrant County, TX | Oil & Gas Property | Jun 2026 |
| 1933 | BLAIR EAST UNIT | Tarrant County, TX | Oil & Gas Property | Mar 2026 |
| 1934 | BLAIR LOLA LEE | Brown County, TX | Oil & Gas Property | Jun 2026 |
| 1935 | BLAIR MINNIE | Yoakum County, TX | Oil & Gas Property | Jun 2026 |
| 1936 | BLAIR T. A | Gaines County, TX | Oil & Gas Property | Jun 2026 |
| 1937 | BLAIR, MARY | Jack County, TX | Oil & Gas Property | Jun 2026 |
| 1938 | BLAIR-TXL | Crane County, TX | Oil & Gas Property | Jun 2026 |
| 1939 | BLAIR-WOODY | Parker County, TX | Oil & Gas Property | Jun 2026 |
| 1940 | BLAKE | Gray County, TX | Oil & Gas Property | Jun 2026 |
| 1941 | BLAKE | Sherman County, TX | Oil & Gas Property | Feb 2019 |
| 1942 | BLAKE | Reeves County, TX | Oil & Gas Property | Mar 2021 |
| 1943 | BLAKE | Cochran County, TX | Oil & Gas Property | Jun 2026 |
| 1944 | BLAKE A UNIT | Montague County, TX | Oil & Gas Property | Jun 2026 |
| 1945 | BLAKE B UNIT | Montague County, TX | Oil & Gas Property | Jun 2026 |
| 1946 | BLAKE CELIA DEE | Lipscomb County, TX | Oil & Gas Property | Jun 2026 |
| 1947 | BLAKE FOWLER UNIT | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 1948 | BLAKE R.S | Van Zandt County, TX | Oil & Gas Property | Jun 2026 |
| 1949 | BLAKE RUTH STARR | Van Zandt County, TX | Oil & Gas Property | May 2026 |
| 1950 | BLAKE STATE | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 1951 | BLAKE W. R | Cochran County, TX | Oil & Gas Property | Jun 2026 |
| 1952 | BLAKE-ALLISON | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 1953 | BLAKELY | Brazoria County, TX | Oil & Gas Property | Mar 2026 |
| 1954 | BLAKELY | Fort Bend County, TX | Oil & Gas Property | Jun 2026 |
| 1955 | BLAKELY BASSETT | Brazoria County, TX | Oil & Gas Property | Apr 2023 |
| 1956 | BLAKENEY | Ector County, TX | Oil & Gas Property | Jun 2026 |
| 1957 | BLAKENEY | Ector County, TX | Oil & Gas Property | Jun 2026 |
| 1958 | BLAKENEY B. H | Ector County, TX | Oil & Gas Property | Oct 2017 |
| 1959 | BLAKENEY-KRU | Val Verde County, TX | Oil & Gas Property | Oct 2025 |
| 1960 | BLAKEWAY | Dimmit County, TX | Oil & Gas Property | Jun 2026 |
| 1961 | BLAKEWAY UNIT | Dimmit County, TX | Oil & Gas Property | Jun 2026 |
| 1962 | BLAKEY | Fort Bend County, TX | Oil & Gas Property | Aug 2025 |
| 1963 | BLAKEY | Garza County, TX | Oil & Gas Property | Jun 2026 |
| 1964 | BLAKLEY | Tarrant County, TX | Oil & Gas Property | Jun 2026 |
| 1965 | BLAKLEY EST A | Tarrant County, TX | Oil & Gas Property | Jun 2026 |
| 1966 | BLAKLEY VILLA ESTATE A | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 1967 | BLALACK | Clay County, TX | Oil & Gas Property | May 2026 |
| 1968 | BLALOCK | Wood County, TX | Oil & Gas Property | Jun 2026 |
| 1969 | BLALOCK | Glasscock County, TX | Oil & Gas Property | Jun 2026 |
| 1970 | BLALOCK | Denton County, TX | Oil & Gas Property | Jun 2026 |
| 1971 | BLALOCK | Harrison County, TX | Oil & Gas Property | Jun 2026 |
| 1972 | BLALOCK | Titus County, TX | Oil & Gas Property | Jun 2026 |
| 1973 | BLALOCK CV GAS UNIT | Harrison County, TX | Oil & Gas Property | May 2026 |
| 1974 | BLALOCK JOHN R | Wood County, TX | Oil & Gas Property | Jun 2026 |
| 1975 | BLALOCK-BLALOCK UNIT | Wood County, TX | Oil & Gas Property | May 2026 |
| 1976 | BLALOCK-MASSEY (SA) | Denton County, TX | Gas Property | Jun 2026 |
| 1977 | BLALOCK-PKF-STEVENS (SA) | Denton County, TX | Gas Property | Jun 2026 |
| 1978 | BLALOCK-ROBERTSON (SA) A 1H | Denton County, TX | Gas Property | Jun 2026 |
| 1979 | BLANC | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 1980 | BLANCHE 1H | Ector County, TX | Oil & Gas Property | Jun 2026 |
| 1981 | BLANCO | Reeves County, TX | Oil & Gas Property | Jun 2026 |
| 1982 | BLANCO -29 | Glasscock County, TX | Oil & Gas Property | Jun 2026 |
| 1983 | BLANCO-FULLERTON | Andrews County, TX | Oil & Gas Property | Jun 2026 |
| 1984 | BLAND | Upshur County, TX | Oil & Gas Property | Jun 2026 |
| 1985 | BLAND | Taylor County, TX | Oil & Gas Property | Jun 2026 |
| 1986 | BLAND GAS UNIT | Harrison County, TX | Oil & Gas Property | Jun 2026 |
| 1987 | BLAND-GARRETT (AW) 1H | Harrison County, TX | Oil & Gas Property | Jun 2026 |
| 1988 | BLAND-STRATTON UNIT | Pecos County, TX | Oil & Gas Property | Jun 2026 |
| 1989 | BLANFORD UNIT | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 1990 | BLANKENSHIP | Cooke County, TX | Oil & Gas Property | Jun 2026 |
| 1991 | BLANKENSHIP | Panola County, TX | Oil & Gas Property | Jun 2026 |
| 1992 | BLANKENSHIP | Jones County, TX | Oil & Gas Property | Jun 2026 |
| 1993 | BLANKENSHIP A | Sherman County, TX | Gas Property | May 2026 |
| 1994 | BLANKS | Coke County, TX | Oil & Gas Property | Jun 2026 |
| 1995 | BLANKS | Taylor County, TX | Oil & Gas Property | Feb 2022 |
| 1996 | BLANTON | Jack County, TX | Oil & Gas Property | Jun 2026 |
| 1997 | BLANTON | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 1998 | BLANTON | Leon County, TX | Oil & Gas Property | Jun 2026 |
| 1999 | BLANTON | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 2000 | BLANTON | Gaines County, TX | Oil & Gas Property | Jun 2026 |