| 1801 | MARK SC | Noble County, OH | Oil & Gas Property | Dec 2024 |
| 1802 | MARK STAHLMAN | Clarion County, PA | Gas Property | Dec 2024 |
| 1803 | MARK TWAIN 5 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Jun 2025 |
| 1804 | MARK USA 11-1H | McKenzie County, ND | Oil & Gas Property | Jun 2025 |
| 1805 | MARK W | Alfalfa County, OK | Oil & Gas Property | Jun 2017 |
| 1806 | MARK W & RUTH W SIMPSON | Indiana County, PA | Gas Property | Dec 2024 |
| 1807 | MARK WITHEROW | Clearfield County, PA | Gas Property | Dec 2024 |
| 1808 | MARKEL | Mahoning County, OH | Oil & Gas Property | Dec 2024 |
| 1809 | MARKEL | Gray County, KS | Oil Property | Aug 2024 |
| 1810 | MARKER | Harper County, OK | Oil & Gas Property | May 2025 |
| 1811 | MARKER | Weston County, WY | Oil Property | Jul 1988 |
| 1812 | MARKER ( | Richland County, MT | Oil & Gas Property | Jun 2025 |
| 1813 | MARKER 1 | Kingman County, KS | Oil & Gas Property | Jun 2018 |
| 1814 | MARKER CS STATE | Campbell County, WY | Gas Property | Jul 2016 |
| 1815 | MARKES | Garfield County, OK | Oil & Gas Property | Jun 2025 |
| 1816 | MARKES | Garfield County, OK | Oil & Gas Property | May 2025 |
| 1817 | MARKET FEDERAL 0 | Weld County, CO | Oil & Gas Property | Jun 2025 |
| 1818 | MARKEY | Rusk County, TX | Oil & Gas Property | May 2025 |
| 1819 | MARKEY GAS UNIT | Panola County, TX | Oil & Gas Property | May 2025 |
| 1820 | MARKEY, J. N | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 1821 | MARKHAM | Gaines County, TX | Oil & Gas Property | Jan 2024 |
| 1822 | MARKHAM | Weld County, CO | Oil & Gas Property | Jun 2025 |
| 1823 | MARKHAM | Carter County, OK | Oil & Gas Property | May 2025 |
| 1824 | MARKHAM | Texas County, OK | Gas Property | May 2025 |
| 1825 | MARKHAM | Wheeler County, TX | Oil & Gas Property | May 2025 |
| 1826 | MARKHAM STATE COM | Chaves County, NM | Oil & Gas Property | Jun 2025 |
| 1827 | MARKHAM TUSSY | Stephens County, OK | Oil Property | May 2025 |
| 1828 | MARKHAM,C | Wilson County, KS | Gas Property | Apr 2025 |
| 1829 | MARKLE | Westmoreland County, PA | Oil & Gas Property | Jun 2025 |
| 1830 | MARKLEY | Cowley County, KS | Oil Property | Dec 1985 |
| 1831 | MARKLEY | Sumner County, KS | Oil Property | Aug 1992 |
| 1832 | MARKLEY | Medina County, OH | Oil & Gas Property | Dec 2024 |
| 1833 | MARKLEY | Labette County, KS | Gas Property | Apr 2025 |
| 1834 | MARKLEY | Sumner County, KS | Oil Property | Apr 2025 |
| 1835 | MARKLEY | Elk County, KS | Oil Property | Mar 2025 |
| 1836 | MARKLEY | Wayne County, OH | Gas Property | Dec 2024 |
| 1837 | MARKLEY | Tuscarawas County, OH | Oil & Gas Property | Dec 2023 |
| 1838 | MARKLEY FANNIE | Lipscomb County, TX | Oil & Gas Property | May 2025 |
| 1839 | MARKOVICH,JOHN FOUR STATES UNIT A | Marion County, WV | Gas Property | Dec 2021 |
| 1840 | MARKOVITCH | Susquehanna County, PA | Gas Property | Jun 2025 |
| 1841 | MARKS | Blaine County, OK | Oil & Gas Property | May 2025 |
| 1842 | MARKS | Jack County, TX | Oil & Gas Property | May 2025 |
| 1843 | MARKS | Stark County, OH | Oil & Gas Property | Dec 2023 |
| 1844 | MARKS | Goliad County, TX | Oil & Gas Property | Oct 2017 |
| 1845 | MARKS | Blaine County, OK | Oil & Gas Property | May 2025 |
| 1846 | MARKS 'A' | Morton County, KS | Gas Property | Apr 2025 |
| 1847 | MARKS POOVEY GAS UNIT 1 | Rusk County, TX | Oil & Gas Property | May 2025 |
| 1848 | MARKS, C | Roane County, WV | Oil & Gas Property | Dec 2021 |
| 1849 | MARKS, J | Lewis County, WV | Oil & Gas Property | Dec 2021 |
| 1850 | MARKS, JAMES J | Lewis County, WV | Gas Property | Dec 2021 |
| 1851 | MARKS, JERRY M | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 1852 | MARKS, ORMEDA | Gilmer County, WV | Oil & Gas Property | Dec 2021 |
| 1853 | MARKS, P | Wirt County, WV | Oil & Gas Property | Dec 2021 |
| 1854 | MARKULIC, F | Allegan County, MI | Oil Property | May 2025 |
| 1855 | MARKUS | Kingfisher County, OK | Oil & Gas Property | Mar 2023 |
| 1856 | MARKWELL | Caddo County, OK | Oil Property | Sep 2008 |
| 1857 | MARKWITH, DENNIS | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 1858 | MARLA | Richland County, MT | Oil & Gas Property | Jun 2025 |
| 1859 | MARLA 10 | Atascosa County, TX | Oil & Gas Property | May 2025 |
| 1860 | MARLAN DOWNEY | Lea County, NM | Oil & Gas Property | Jun 2025 |
| 1861 | MARLAND 41-14TFH | Mountrail County, ND | Oil & Gas Property | Jun 2025 |
| 1862 | MARLATT | Adams County, CO | Oil & Gas Property | Jun 2020 |
| 1863 | MARLATT | Major County, OK | Oil & Gas Property | Mar 2025 |
| 1864 | MARLATT | Coshocton County, OH | Oil & Gas Property | Dec 2007 |
| 1865 | MARLATT | Hardin County, TX | Oil Property | May 2025 |
| 1866 | MARLENE | Finney County, KS | Oil Property | Apr 2025 |
| 1867 | MARLENE | Williams County, ND | Oil & Gas Property | Jun 2025 |
| 1868 | MARLENE | Lane County, KS | Oil Property | Apr 2025 |
| 1869 | MARLENE 1-10H | Williams County, ND | Oil & Gas Property | Jun 2025 |
| 1870 | MARLENE 34-11TFH | Dunn County, ND | Oil & Gas Property | Jun 2025 |
| 1871 | MARLENE 42X-20 | McKenzie County, ND | Oil & Gas Property | Jun 2025 |
| 1872 | MARLENE 5501 14-1T | Williams County, ND | Oil & Gas Property | Jun 2025 |
| 1873 | MARLENE LILI | Washington County, TX | Oil & Gas Property | May 2025 |
| 1874 | MARLENE OLSON | Live Oak County, TX | Oil & Gas Property | May 2025 |
| 1875 | MARLER | Wilson County, KS | Gas Property | Mar 2025 |
| 1876 | MARLETT T. W | Wise County, TX | Oil & Gas Property | Apr 2025 |
| 1877 | MARLEY | Crockett County, TX | Oil & Gas Property | Apr 2025 |
| 1878 | MARLEY | Jack County, TX | Oil & Gas Property | May 2025 |
| 1879 | MARLEY | Jack County, TX | Oil & Gas Property | Apr 2025 |
| 1880 | MARLEY C01 | Weld County, CO | Oil & Gas Property | Jun 2020 |
| 1881 | MARLEY STATE COM 31 | Eddy County, NM | Oil & Gas Property | Jun 2025 |
| 1882 | MARLEY-FRANSSEN | Jack County, TX | Oil & Gas Property | Nov 2023 |
| 1883 | MARLIN | Dunn County, ND | Oil & Gas Property | Jun 2025 |
| 1884 | MARLIN | Grimes County, TX | Oil & Gas Property | Jan 2025 |
| 1885 | MARLIN | Brazos County, TX | Oil & Gas Property | May 2025 |
| 1886 | MARLIN | La Salle County, TX | Oil & Gas Property | May 2025 |
| 1887 | MARLIN | Madison County, TX | Oil & Gas Property | May 2025 |
| 1888 | MARLIN | Dewey County, OK | Oil & Gas Property | May 2025 |
| 1889 | MARLIN 11S | Reeves County, TX | Oil & Gas Property | May 2025 |
| 1890 | MARLIN 32 | Glasscock County, TX | Oil & Gas Property | May 2025 |
| 1891 | MARLIN 47 | Glasscock County, TX | Oil & Gas Property | May 2025 |
| 1892 | MARLIN B STEPHENS | Indiana County, PA | Gas Property | Dec 2024 |
| 1893 | MARLIN FUNKA | Washington County, PA | Oil & Gas Property | Jun 2025 |
| 1894 | MARLIN STATE | Eddy County, NM | Oil & Gas Property | May 2025 |
| 1895 | MARLISUE QUEEN UNIT | Chaves County, NM | Oil Property | Feb 2007 |
| 1896 | MARLOW | Perry County, OH | Oil & Gas Property | Dec 2018 |
| 1897 | MARLOW BURNS | Los Angeles County, CA | Oil & Gas Property | Jun 2025 |
| 1898 | MARLOW BURNS-BRADNA-LAI-COMM 1 1 | Los Angeles County, CA | Oil & Gas Property | Jun 2025 |
| 1899 | MARLYS OLSON 31-1H | Williams County, ND | Oil & Gas Property | Jun 2025 |
| 1900 | MARMALARD | Reeves County, TX | Oil & Gas Property | May 2025 |