| 1801 | MCKNIGHT | Crane County, TX | Oil & Gas Property | Apr 2017 |
| 1802 | MCKNIGHT | Jones County, TX | Oil & Gas Property | Dec 2011 |
| 1803 | MCKNIGHT | Loving County, TX | Oil & Gas Property | Feb 2026 |
| 1804 | MCKNIGHT | Gray County, TX | Oil & Gas Property | Feb 2026 |
| 1805 | MCKNIGHT | Throckmorton County, TX | Oil & Gas Property | Feb 2026 |
| 1806 | MCKNIGHT | Young County, TX | Oil & Gas Property | Feb 2026 |
| 1807 | MCKNIGHT EWELL ETAL | Crane County, TX | Oil & Gas Property | Feb 2026 |
| 1808 | MCKNIGHT GAS UNIT 1 | Upshur County, TX | Oil & Gas Property | Feb 2026 |
| 1809 | MCKNIGHT RANCH | Throckmorton County, TX | Oil & Gas Property | Jan 2026 |
| 1810 | MCKNIGHT SAND HILLS UNIT | Crane County, TX | Oil & Gas Property | Mar 2026 |
| 1811 | MCKNIGHT WILL GAS UNIT #1 | Upshur County, TX | Oil & Gas Property | Feb 2026 |
| 1812 | MCKOWN | Cooke County, TX | Oil & Gas Property | Feb 2026 |
| 1813 | MCLAIN | Ochiltree County, TX | Oil & Gas Property | Feb 2026 |
| 1814 | MCLAIN | Ochiltree County, TX | Oil & Gas Property | Feb 2026 |
| 1815 | MCLAIN UNIT | Hansford County, TX | Oil & Gas Property | Feb 2026 |
| 1816 | MCLAIN-MCGARRAUGH 116/125 | Ochiltree County, TX | Oil & Gas Property | Feb 2026 |
| 1817 | MCLANE TEXAS TRUST | Colorado County, TX | Oil & Gas Property | Jan 2026 |
| 1818 | MCLAREN | Jones County, TX | Oil & Gas Property | Sep 2023 |
| 1819 | MCLARTY | Gray County, TX | Oil & Gas Property | Jan 2026 |
| 1820 | MCLAUGHLIN | Scurry County, TX | Oil & Gas Property | Feb 2026 |
| 1821 | MCLAUGHLIN | Yoakum County, TX | Oil & Gas Property | Feb 2026 |
| 1822 | MCLAUGHLIN | Gray County, TX | Oil & Gas Property | Feb 2026 |
| 1823 | MCLAUGHLIN | Moore County, TX | Oil & Gas Property | Feb 2026 |
| 1824 | MCLAUGHLIN | Nolan County, TX | Oil & Gas Property | Feb 2026 |
| 1825 | MCLAUGHLIN M | Carson County, TX | Gas Property | Feb 2026 |
| 1826 | MCLAURIN HV UNIT | Panola County, TX | Gas Property | Feb 2026 |
| 1827 | MCLEAN | Robertson County, TX | Oil & Gas Property | Feb 2026 |
| 1828 | MCLEAN | Reagan County, TX | Oil & Gas Property | Feb 2026 |
| 1829 | MCLEAN | Jim Hogg County, TX | Oil & Gas Property | Feb 2026 |
| 1830 | MCLEAN | Hardin County, TX | Oil & Gas Property | Feb 2026 |
| 1831 | MCLEAN | Gray County, TX | Gas Property | Feb 2026 |
| 1832 | MCLEAN | Frio County, TX | Oil & Gas Property | Feb 2026 |
| 1833 | MCLEAN | Jefferson County, TX | Oil & Gas Property | Jan 2026 |
| 1834 | MCLEAN ESTATE -A | Jim Hogg County, TX | Oil & Gas Property | Dec 2023 |
| 1835 | MCLEAN ESTATE GAS UNIT | Houston County, TX | Oil & Gas Property | Feb 2026 |
| 1836 | MCLEAN MARRS | Orange County, TX | Oil & Gas Property | Feb 2026 |
| 1837 | MCLEAN MARRS | Atascosa County, TX | Oil & Gas Property | Jan 2026 |
| 1838 | MCLEAN MARRS | Jim Hogg County, TX | Oil & Gas Property | Feb 2026 |
| 1839 | MCLEAN MARRS | Galveston County, TX | Oil & Gas Property | Feb 2026 |
| 1840 | MCLEAN MARRS | Jefferson County, TX | Oil & Gas Property | Oct 2017 |
| 1841 | MCLEAN MARRS | Starr County, TX | Oil & Gas Property | Jan 2026 |
| 1842 | MCLEAN, MARRS | Webb County, TX | Oil & Gas Property | Feb 2026 |
| 1843 | MCLEAN-BOWMAN | Dimmit County, TX | Oil & Gas Property | Feb 2026 |
| 1844 | MCLEAN-BOWMAN -A | Dimmit County, TX | Oil & Gas Property | Feb 2026 |
| 1845 | MCLEAN-DAWS | Throckmorton County, TX | Oil & Gas Property | Feb 2026 |
| 1846 | MCLELLAN | Jones County, TX | Oil Property | Feb 2026 |
| 1847 | MCLEMORE | Shackelford County, TX | Oil & Gas Property | Feb 2026 |
| 1848 | MCLENDON-COMBEST | Gregg County, TX | Oil & Gas Property | Feb 2026 |
| 1849 | MCLENNAN | Hardeman County, TX | Oil Property | Jun 2020 |
| 1850 | MCLEOD | Nolan County, TX | Oil & Gas Property | Jan 2026 |
| 1851 | MCLEOD | Freestone County, TX | Gas Property | Feb 2026 |
| 1852 | MCLEOD GAS UNIT | Cherokee County, TX | Oil & Gas Property | Dec 2025 |
| 1853 | MCLEROY | Johnson County, TX | Gas Property | Feb 2026 |
| 1854 | MCLERRAN | Milam County, TX | Oil & Gas Property | Feb 2026 |
| 1855 | MCLINTOCK | Burleson County, TX | Oil & Gas Property | Jan 2026 |
| 1856 | MCLINTOCK 1 | Martin County, TX | Oil & Gas Property | Feb 2026 |
| 1857 | MCLOFFLIN | Harrison County, TX | Oil & Gas Property | Feb 2026 |
| 1858 | MCLOFFLIN-SCOTT HV UNIT | Harrison County, TX | Gas Property | Feb 2026 |
| 1859 | MCMAHAN | Wheeler County, TX | Oil & Gas Property | Feb 2026 |
| 1860 | MCMAHAN UNIT | Washington County, TX | Oil & Gas Property | Feb 2026 |
| 1861 | MCMAHON | Tarrant County, TX | Gas Property | Feb 2026 |
| 1862 | MCMAHON FEDERAL | Shelby County, TX | Oil & Gas Property | Feb 2026 |
| 1863 | MCMAHON JOHN | Guadalupe County, TX | Oil & Gas Property | Aug 2022 |
| 1864 | MCMAHON RICHARD L | Freestone County, TX | Oil & Gas Property | Jan 2026 |
| 1865 | MCMANUS | Dewitt County, TX | Oil & Gas Property | Feb 2026 |
| 1866 | MCMANUS | Gonzales County, TX | Oil & Gas Property | Feb 2026 |
| 1867 | MCMANUS | Irion County, TX | Oil & Gas Property | Feb 2026 |
| 1868 | MCMASTER | Nolan County, TX | Oil & Gas Property | Feb 2026 |
| 1869 | MCMASTER | Reagan County, TX | Oil & Gas Property | Feb 2026 |
| 1870 | MCMASTERS MYRTLE | Reagan County, TX | Oil & Gas Property | Jan 2026 |
| 1871 | MCMEANS | Stonewall County, TX | Oil & Gas Property | Jan 2026 |
| 1872 | MCMEANS W. G. OPERATING AREA | Kent County, TX | Oil & Gas Property | Feb 2026 |
| 1873 | MCMEANS, WALTER G OPE | Kent County, TX | Oil Property | Feb 2026 |
| 1874 | MCMEEN | Stephens County, TX | Oil & Gas Property | Apr 2021 |
| 1875 | MCMENAMY | Johnson County, TX | Gas Property | Jul 2019 |
| 1876 | MCMENAMY | Lubbock County, TX | Oil & Gas Property | Feb 2026 |
| 1877 | MCMICHAEL | Freestone County, TX | Oil & Gas Property | Feb 2026 |
| 1878 | MCMICHAEL | Freestone County, TX | Oil & Gas Property | Feb 2026 |
| 1879 | MCMICHAEL | Hardeman County, TX | Oil & Gas Property | Feb 2026 |
| 1880 | MCMICHAEL OMA GAS UNIT | Freestone County, TX | Oil & Gas Property | Feb 2026 |
| 1881 | MCMILLAN | Sutton County, TX | Oil & Gas Property | Feb 2026 |
| 1882 | MCMILLAN | Jack County, TX | Oil & Gas Property | Nov 2023 |
| 1883 | MCMILLAN | Mitchell County, TX | Oil & Gas Property | Feb 2026 |
| 1884 | MCMILLAN | Scurry County, TX | Oil & Gas Property | Feb 2026 |
| 1885 | MCMILLIAN | Sutton County, TX | Oil & Gas Property | Feb 2026 |
| 1886 | MCMILLIAN | Fort Bend County, TX | Oil & Gas Property | Feb 2026 |
| 1887 | MCMILLIN | Stonewall County, TX | Oil & Gas Property | Feb 2026 |
| 1888 | MCMILLIN (CANYON SAND) UNIT | Stonewall County, TX | Oil & Gas Property | Feb 2026 |
| 1889 | MCMILLON | Taylor County, TX | Oil & Gas Property | Jan 2026 |
| 1890 | MCMORDIE | Roberts County, TX | Oil & Gas Property | Feb 2026 |
| 1891 | MCMORDIE | Roberts County, TX | Oil & Gas Property | Feb 2026 |
| 1892 | MCMORRIES | Martin County, TX | Oil & Gas Property | Feb 2026 |
| 1893 | MCMORRIES | Martin County, TX | Oil & Gas Property | Feb 2022 |
| 1894 | MCMORRIES 1 | Glasscock County, TX | Oil & Gas Property | Feb 2026 |
| 1895 | MCMOYLE | Smith County, TX | Oil & Gas Property | Feb 2026 |
| 1896 | MCMULLAN | Crockett County, TX | Oil & Gas Property | Feb 2026 |
| 1897 | MCMULLAN | Crockett County, TX | Oil & Gas Property | Oct 2014 |
| 1898 | MCMULLAN ALLEANE FRIEND | Crockett County, TX | Oil & Gas Property | Feb 2026 |
| 1899 | MCMULLEN | Crockett County, TX | Oil & Gas Property | Feb 2026 |
| 1900 | MCMULLEN | Crockett County, TX | Oil & Gas Property | Feb 2026 |