| 1901 | ROSS MARY | Johnson County, TX | Oil & Gas Property | Feb 2024 |
| 1902 | ROSS R.L | Upton County, TX | Oil & Gas Property | Feb 2024 |
| 1903 | ROSS RALPH | Gregg County, TX | Oil & Gas Property | Feb 2024 |
| 1904 | ROSS TUCKER GU | Rusk County, TX | Oil & Gas Property | Feb 2024 |
| 1905 | ROSS VERA GAS UNIT 1 | Upshur County, TX | Oil & Gas Property | Feb 2024 |
| 1906 | ROSS, HETTIE M | Panola County, TX | Oil & Gas Property | Feb 2024 |
| 1907 | ROSS, J.T | Panola County, TX | Oil & Gas Property | Feb 2024 |
| 1908 | ROSS-HAMILTON | Panola County, TX | Oil & Gas Property | Feb 2024 |
| 1909 | ROSSER | Young County, TX | Oil & Gas Property | Feb 2024 |
| 1910 | ROSSER | Howard County, TX | Oil & Gas Property | Feb 2024 |
| 1911 | ROSSON C | Anderson County, TX | Oil Property | Feb 2024 |
| 1912 | ROSSON J. R | San Patricio County, TX | Oil & Gas Property | Jun 2023 |
| 1913 | ROSSON M. D | Cooke County, TX | Oil & Gas Property | Feb 2024 |
| 1914 | ROSSON-HENDERSON | Denton County, TX | Oil & Gas Property | Feb 2024 |
| 1915 | ROSSON-WARD LAND CO | Rusk County, TX | Oil & Gas Property | Jan 2024 |
| 1916 | ROSSOW-BRZOZOWSKI | Gonzales County, TX | Oil & Gas Property | Feb 2024 |
| 1917 | ROTELLO | Brazos County, TX | Oil & Gas Property | Feb 2024 |
| 1918 | ROTEN | Johnson County, TX | Gas Property | Jan 2024 |
| 1919 | ROTH | Montague County, TX | Oil & Gas Property | Jan 2024 |
| 1920 | ROTH UNIT | Karnes County, TX | Oil & Gas Property | Feb 2024 |
| 1921 | ROTH UNIT | Montague County, TX | Oil & Gas Property | Feb 2024 |
| 1922 | ROTHERMEL | Limestone County, TX | Oil & Gas Property | Feb 2024 |
| 1923 | ROTHFELDER | Eastland County, TX | Oil & Gas Property | Jan 2024 |
| 1924 | ROTHSCHILD STATE 56-2-25 UNIT | Reeves County, TX | Oil & Gas Property | Feb 2024 |
| 1925 | ROTTEN RALPH | Crane County, TX | Oil & Gas Property | Feb 2024 |
| 1926 | ROTTERSMAN | Webb County, TX | Oil & Gas Property | Feb 2024 |
| 1927 | ROUDON | Goliad County, TX | Oil & Gas Property | Feb 2024 |
| 1928 | ROUGAROU UNIT 36-48 | Borden County, TX | Oil & Gas Property | Feb 2024 |
| 1929 | ROUGH CREEK RANCH | Coleman County, TX | Oil & Gas Property | May 2023 |
| 1930 | ROUGH RIDER UNIT | Reeves County, TX | Oil & Gas Property | Feb 2024 |
| 1931 | ROUGHHOLLOW | Shackelford County, TX | Oil Property | Feb 2024 |
| 1932 | ROULETTE | Reeves County, TX | Oil & Gas Property | Feb 2024 |
| 1933 | ROULETTE | Carson County, TX | Oil & Gas Property | Jan 2024 |
| 1934 | ROUND BUNCH 1 | Orange County, TX | Oil & Gas Property | Feb 2024 |
| 1935 | ROUND TOP PALO PINTO | Fisher County, TX | Oil & Gas Property | Feb 2024 |
| 1936 | ROUNTREE | Milam County, TX | Oil & Gas Property | Feb 2024 |
| 1937 | ROUSE NANNIE T | Wilson County, TX | Oil & Gas Property | Feb 2024 |
| 1938 | ROUSSELOT | Schleicher County, TX | Oil & Gas Property | Feb 2024 |
| 1939 | ROUSSELOT DORIS M | Schleicher County, TX | Oil & Gas Property | Feb 2024 |
| 1940 | ROUSSELOT DORIS MA | Schleicher County, TX | Oil & Gas Property | Feb 2024 |
| 1941 | ROUTE 60 REAL ESTATE CO | Wharton County, TX | Oil & Gas Property | Jul 2012 |
| 1942 | ROWAN | Van Zandt County, TX | Oil & Gas Property | Feb 2024 |
| 1943 | ROWAN & HOPE | Nolan County, TX | Oil & Gas Property | Feb 2024 |
| 1944 | ROWAN & HOPE SOUTHWEST UNIT | Nolan County, TX | Oil & Gas Property | Feb 2024 |
| 1945 | ROWAN A. M. ETAL | Van Zandt County, TX | Oil & Gas Property | Feb 2024 |
| 1946 | ROWAN B UNIT | Tarrant County, TX | Oil & Gas Property | Feb 2024 |
| 1947 | ROWAN ESTATE TRUST | Wise County, TX | Oil & Gas Property | Feb 2024 |
| 1948 | ROWDY | Clay County, TX | Oil Property | Jan 2024 |
| 1949 | ROWDY THE COWBOY 42-30 | Howard County, TX | Oil & Gas Property | Feb 2024 |
| 1950 | ROWDY YATES 596-585 | Yoakum County, TX | Oil & Gas Property | Jan 2024 |
| 1951 | ROWE | Ochiltree County, TX | Oil & Gas Property | Feb 2024 |
| 1952 | ROWE HEIRS | Shelby County, TX | Gas Property | Feb 2024 |
| 1953 | ROWE J. D | Coleman County, TX | Oil & Gas Property | Feb 2024 |
| 1954 | ROWE UNIT | Wise County, TX | Oil & Gas Property | Feb 2024 |
| 1955 | ROWE-BALDWIN | Liberty County, TX | Oil & Gas Property | Feb 2024 |
| 1956 | ROWELL-SPRINGS | Gonzales County, TX | Oil & Gas Property | Feb 2024 |
| 1957 | ROWLAND | Montague County, TX | Oil & Gas Property | Feb 2024 |
| 1958 | ROWLAND | Crockett County, TX | Oil & Gas Property | Jan 2024 |
| 1959 | ROWLAND NEAL | Wise County, TX | Oil & Gas Property | Feb 2024 |
| 1960 | ROXANA | Carson County, TX | Oil & Gas Property | Feb 2024 |
| 1961 | ROXANA-RICE | Shackelford County, TX | Oil & Gas Property | Feb 2013 |
| 1962 | ROXANNE FEE 46 | Culberson County, TX | Oil & Gas Property | Feb 2024 |
| 1963 | ROXIE | Lipscomb County, TX | Oil & Gas Property | Feb 2024 |
| 1964 | ROXIE | Reeves County, TX | Oil & Gas Property | Nov 2016 |
| 1965 | ROXIE STATE 6 | Pecos County, TX | Oil & Gas Property | Feb 2024 |
| 1966 | ROXY B UNIT | Montague County, TX | Oil & Gas Property | Feb 2024 |
| 1967 | ROXY UNIT | Montague County, TX | Oil & Gas Property | Feb 2024 |
| 1968 | ROY 1 | Martin County, TX | Oil & Gas Property | Feb 2024 |
| 1969 | ROY 86 | Upton County, TX | Oil & Gas Property | Nov 2019 |
| 1970 | ROY B | Garza County, TX | Oil & Gas Property | Feb 2024 |
| 1971 | ROY BEAN 42 | Reeves County, TX | Oil & Gas Property | Jan 2024 |
| 1972 | ROY C. COFFEE GAS UNIT | Wise County, TX | Oil & Gas Property | Feb 2024 |
| 1973 | ROY ESSE | Live Oak County, TX | Oil & Gas Property | Feb 2024 |
| 1974 | ROY FLOWERS | Ochiltree County, TX | Oil & Gas Property | Feb 2024 |
| 1975 | ROY GLASS -A | Sterling County, TX | Oil Property | Feb 2024 |
| 1976 | ROY HENDERSON 32 1 | Crockett County, TX | Oil & Gas Property | Feb 2024 |
| 1977 | ROY LINN | Ochiltree County, TX | Oil & Gas Property | Feb 2024 |
| 1978 | ROY PARKS B | Ector County, TX | Oil & Gas Property | Feb 2024 |
| 1979 | ROY RAUCH | Concho County, TX | Oil & Gas Property | Feb 2024 |
| 1980 | ROY ROGERS 21 | Reeves County, TX | Oil & Gas Property | Sep 2022 |
| 1981 | ROY W. V | Garza County, TX | Oil & Gas Property | Feb 2024 |
| 1982 | ROYAL | Anderson County, TX | Oil Property | Feb 2024 |
| 1983 | ROYAL B-HALEPESKA-SMITH (SA) D | Dewitt County, TX | Oil & Gas Property | Feb 2024 |
| 1984 | ROYAL NATIONAL BANK | Anderson County, TX | Oil & Gas Property | Feb 2023 |
| 1985 | ROYAL PECAN UNIT EB | Burleson County, TX | Oil & Gas Property | Feb 2024 |
| 1986 | ROYAL PENDLETON | Sherman County, TX | Gas Property | Feb 2024 |
| 1987 | ROYAL TRUDE | Hood County, TX | Oil & Gas Property | Feb 2024 |
| 1988 | ROYAL UNIT A | Dewitt County, TX | Oil & Gas Property | Feb 2024 |
| 1989 | ROYAL UNIT B | Dewitt County, TX | Oil & Gas Property | Feb 2024 |
| 1990 | ROYALL | Shackelford County, TX | Oil & Gas Property | Feb 2024 |
| 1991 | ROYALL | Anderson County, TX | Oil & Gas Property | Feb 2024 |
| 1992 | ROYALL | Henderson County, TX | Oil & Gas Property | Feb 2024 |
| 1993 | ROYALL | Anderson County, TX | Oil & Gas Property | Jan 2017 |
| 1994 | ROYALL & CONE | Anderson County, TX | Oil & Gas Property | Feb 2024 |
| 1995 | ROYALL NATIONAL BANK -B | Anderson County, TX | Oil & Gas Property | Jan 2024 |
| 1996 | ROYE | Reagan County, TX | Oil & Gas Property | Jan 2021 |
| 1997 | ROYE, F. C | Montague County, TX | Oil & Gas Property | Feb 2024 |
| 1998 | ROYER | Lipscomb County, TX | Oil & Gas Property | Feb 2024 |
| 1999 | ROYSTER | Schleicher County, TX | Oil & Gas Property | Feb 2024 |
| 2000 | ROZELLE | Cherokee County, TX | Oil & Gas Property | Feb 2024 |