| 1801 | ROGERS-SILER HEIRS (SA) | Rusk County, TX | Oil & Gas Property | Jan 2025 |
| 1802 | ROHRER | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 1803 | ROHRER W | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 1804 | ROHRER WILLIAM | Wise County, TX | Oil & Gas Property | Jan 2025 |
| 1805 | ROI TAN | Howard County, TX | Oil & Gas Property | Jan 2025 |
| 1806 | ROITSCH | Bastrop County, TX | Oil & Gas Property | Dec 2024 |
| 1807 | ROITSCH | Bastrop County, TX | Oil & Gas Property | Apr 2023 |
| 1808 | ROJEAN | Nolan County, TX | Oil & Gas Property | Jan 2025 |
| 1809 | ROLAND WHEAT 342 | Lipscomb County, TX | Oil & Gas Property | Jan 2025 |
| 1810 | ROLATER | Montague County, TX | Oil & Gas Property | Jan 2025 |
| 1811 | ROLKE | Robertson County, TX | Oil & Gas Property | Jan 2025 |
| 1812 | ROLL CALL 29-32 | Martin County, TX | Oil & Gas Property | Jan 2025 |
| 1813 | ROLLER | Wichita County, TX | Oil & Gas Property | Jan 2025 |
| 1814 | ROLLER | Wichita County, TX | Oil & Gas Property | Jan 2025 |
| 1815 | ROLLER | Wichita County, TX | Oil & Gas Property | Jan 2025 |
| 1816 | ROLLER B WOLFSON | Wichita County, TX | Oil & Gas Property | Jan 2025 |
| 1817 | ROLLER EXTENSION | Wichita County, TX | Oil Property | Jan 2025 |
| 1818 | ROLLERT B. P | Caldwell County, TX | Oil & Gas Property | Jan 2025 |
| 1819 | ROLLING HILLS | Tarrant County, TX | Gas Property | Jan 2025 |
| 1820 | ROLLINS | Scurry County, TX | Oil & Gas Property | Jan 2025 |
| 1821 | ROLLINSFORD | Hale County, TX | Oil & Gas Property | Jan 2025 |
| 1822 | ROLLS CHURCH | Montague County, TX | Oil & Gas Property | Jan 2025 |
| 1823 | ROLWING | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 1824 | ROMAN | Martin County, TX | Oil & Gas Property | Jan 2025 |
| 1825 | ROMAN | Howard County, TX | Oil & Gas Property | Jan 2025 |
| 1826 | ROMAN 1087 | Ochiltree County, TX | Oil & Gas Property | Jan 2025 |
| 1827 | ROMAN GAS UNIT | Rusk County, TX | Oil & Gas Property | Jan 2025 |
| 1828 | ROMEO | Scurry County, TX | Oil & Gas Property | Jan 2025 |
| 1829 | ROMEO EAST UNIT | Scurry County, TX | Oil & Gas Property | Jan 2025 |
| 1830 | ROMINE | Martin County, TX | Oil & Gas Property | Jan 2025 |
| 1831 | ROMMEL UNIT | Washington County, TX | Oil & Gas Property | Jan 2025 |
| 1832 | RON 56-8 UNIT | Reeves County, TX | Oil & Gas Property | Jan 2025 |
| 1833 | RON CHEEK | Montague County, TX | Oil & Gas Property | Jan 2025 |
| 1834 | RONALD | Montague County, TX | Oil & Gas Property | Jan 2025 |
| 1835 | RONALD ANN | Hill County, TX | Gas Property | Jan 2025 |
| 1836 | RONALD CORN UNIT 1 | Robertson County, TX | Oil & Gas Property | Jan 2025 |
| 1837 | RONEY | Jack County, TX | Oil & Gas Property | Jan 2025 |
| 1838 | RONYN UNIT | Lavaca County, TX | Oil & Gas Property | Jan 2025 |
| 1839 | ROO GAS UNIT 2H | San Augustine County, TX | Gas Property | Jan 2025 |
| 1840 | ROO STATE 1-4 WRD UNIT | Ward County, TX | Oil & Gas Property | Jan 2025 |
| 1841 | ROOF DRUG | Johnson County, TX | Oil & Gas Property | Jan 2025 |
| 1842 | ROOKE | Refugio County, TX | Oil & Gas Property | Jan 2025 |
| 1843 | ROOKE SOUTH M0 | Refugio County, TX | Oil & Gas Property | Jul 2013 |
| 1844 | ROOME-HUTCHINS | Wharton County, TX | Oil & Gas Property | Jan 2025 |
| 1845 | ROONEY | Pecos County, TX | Oil & Gas Property | Jan 2025 |
| 1846 | ROONEY | Pecos County, TX | Oil & Gas Property | Jan 2025 |
| 1847 | ROONEY, ONEZ | Pecos County, TX | Oil & Gas Property | Jan 2025 |
| 1848 | ROOP K | Clay County, TX | Oil & Gas Property | Jan 2025 |
| 1849 | ROOS | McMullen County, TX | Oil & Gas Property | Jan 2025 |
| 1850 | ROOS | Duval County, TX | Oil & Gas Property | Dec 2017 |
| 1851 | ROOS | Victoria County, TX | Oil & Gas Property | Jan 2025 |
| 1852 | ROOS BENNETT | Starr County, TX | Oil & Gas Property | Jan 2025 |
| 1853 | ROOS LORENE WILLIS | McMullen County, TX | Oil & Gas Property | Mar 1994 |
| 1854 | ROOS UNIT | Karnes County, TX | Oil & Gas Property | Jan 2025 |
| 1855 | ROOSEVELT | Howard County, TX | Oil & Gas Property | Jan 2025 |
| 1856 | ROOSEVELT | Pecos County, TX | Oil & Gas Property | Jan 2024 |
| 1857 | ROOSEVELT UNIT | Lavaca County, TX | Oil & Gas Property | Jan 2025 |
| 1858 | ROOST 6 | Howard County, TX | Oil & Gas Property | Feb 2023 |
| 1859 | ROOSTERFISH 53-2-43 LOV UNIT | Loving County, TX | Oil & Gas Property | Jan 2025 |
| 1860 | ROOSTERFISH 53-2-43 LOV UNIT | Loving County, TX | Oil & Gas Property | Jan 2025 |
| 1861 | ROOSTERFISH UNIT 22 | Pecos County, TX | Oil & Gas Property | Jan 2025 |
| 1862 | ROOSTH & GENE | Smith County, TX | Oil & Gas Property | Jan 2025 |
| 1863 | ROOT UNIT | Gonzales County, TX | Oil & Gas Property | Jan 2025 |
| 1864 | ROOTS | Ochiltree County, TX | Oil & Gas Property | Jan 2025 |
| 1865 | ROOTS W | San Patricio County, TX | Oil & Gas Property | May 2010 |
| 1866 | ROPER | Freestone County, TX | Oil & Gas Property | Jan 2025 |
| 1867 | ROPER | Ochiltree County, TX | Oil & Gas Property | Jan 2025 |
| 1868 | ROPER | Jack County, TX | Oil & Gas Property | Jan 2025 |
| 1869 | ROPER | Eastland County, TX | Oil & Gas Property | Jan 2014 |
| 1870 | ROPER | Midland County, TX | Oil & Gas Property | Jan 2025 |
| 1871 | ROPER GAS UNIT | Hidalgo County, TX | Oil & Gas Property | Jan 2025 |
| 1872 | ROPER GAS UNIT | Freestone County, TX | Oil & Gas Property | Jan 2025 |
| 1873 | ROPER LEON | Rusk County, TX | Oil & Gas Property | Jan 2025 |
| 1874 | ROPES CANYON REEF UNIT | Hockley County, TX | Oil & Gas Property | Jan 2025 |
| 1875 | ROPES E. (CLEARFORK) UNIT | Hockley County, TX | Oil & Gas Property | Dec 2024 |
| 1876 | ROQUEMORE | Panola County, TX | Oil & Gas Property | Jan 2025 |
| 1877 | ROQUEMORE | Panola County, TX | Oil & Gas Property | Jan 2025 |
| 1878 | ROQUEMORE | Panola County, TX | Oil & Gas Property | Jan 2025 |
| 1879 | ROQUEMORE | Panola County, TX | Oil & Gas Property | Jan 2025 |
| 1880 | ROREX | Moore County, TX | Gas Property | Jan 2025 |
| 1881 | RORICK | Harris County, TX | Oil & Gas Property | Jan 2025 |
| 1882 | ROSA | Carson County, TX | Gas Property | Jan 2025 |
| 1883 | ROSA BENAVIDES 1450 | Webb County, TX | Oil & Gas Property | Jan 2025 |
| 1884 | ROSA BENAVIDES 1450 EF 4H | Webb County, TX | Oil & Gas Property | Jan 2025 |
| 1885 | ROSA LEE | Andrews County, TX | Oil & Gas Property | Jan 2025 |
| 1886 | ROSA UNIT | Montague County, TX | Oil & Gas Property | Jan 2025 |
| 1887 | ROSA V. BENAVIDES | Webb County, TX | Oil & Gas Property | Jan 2025 |
| 1888 | ROSA V. BENAVIDES | Webb County, TX | Oil & Gas Property | Jan 2025 |
| 1889 | ROSA V. BENAVIDES | Webb County, TX | Oil & Gas Property | Jan 2025 |
| 1890 | ROSA V. DE BENAVIDES | Webb County, TX | Gas Property | Dec 2015 |
| 1891 | ROSA V. DE BENAVIDES 1450 | Webb County, TX | Oil & Gas Property | Jan 2025 |
| 1892 | ROSALIE | Martin County, TX | Oil & Gas Property | Jan 2025 |
| 1893 | ROSARIO CATTLE CO | Webb County, TX | Oil & Gas Property | Jan 2025 |
| 1894 | ROSBOROUGH | Harrison County, TX | Oil & Gas Property | Jan 2025 |
| 1895 | ROSBOROUGH 1H | Harrison County, TX | Oil & Gas Property | Jan 2025 |
| 1896 | ROSBOROUGH DR. J.F. GAS UNIT | Harrison County, TX | Oil & Gas Property | Jan 2025 |
| 1897 | ROSCHER W.C | Webb County, TX | Oil & Gas Property | Jan 2025 |
| 1898 | ROSCHER-HIRSCH G | Webb County, TX | Oil & Gas Property | Jan 2025 |
| 1899 | ROSCOE | Montague County, TX | Oil & Gas Property | Jan 2025 |
| 1900 | ROSCOE BAYLESS UNIT 1 1 | Madison County, TX | Oil & Gas Property | Jan 2025 |