| 1801 | HAPPY SPRABERRY | Garza County, TX | Oil & Gas Property | Apr 2025 |
| 1802 | HAPPY SPRINGS | Fremont County, WY | Oil & Gas Property | Apr 2025 |
| 1803 | HAPPY THOU | Hot Springs County, WY | Oil & Gas Property | May 2025 |
| 1804 | HAPPY TRACKS | Midland County, TX | Oil & Gas Property | Apr 2025 |
| 1805 | HAPPY VALLEY | Eddy County, NM | Oil & Gas Property | May 2025 |
| 1806 | HAPPY VALLEY | Seldovia Quadrangle, AK | Gas Property | Jun 2025 |
| 1807 | HAPPYLAND | Pontotoc County, OK | Oil & Gas Property | Oct 2019 |
| 1808 | HAR-REYNOLDS | Karnes County, TX | Oil & Gas Property | Apr 2025 |
| 1809 | HARACZ AMO FEDERAL | Eddy County, NM | Oil & Gas Property | May 2025 |
| 1810 | HARALAMBOUS 03 074 | Bradford County, PA | Gas Property | May 2025 |
| 1811 | HARALDSON | Woodson County, KS | Oil Property | Jan 2025 |
| 1812 | HARALSON | Stephens County, TX | Oil & Gas Property | Apr 2025 |
| 1813 | HARALSON 1 | Smith County, TX | Oil & Gas Property | Apr 2025 |
| 1814 | HARALSON BEEFMASTER | Zapata County, TX | Gas Property | Nov 2024 |
| 1815 | HARAM | Bottineau County, ND | Oil & Gas Property | May 2025 |
| 1816 | HARAMBE 32 | Glasscock County, TX | Oil & Gas Property | Apr 2025 |
| 1817 | HARANDA | Bay County, MI | Oil Property | Dec 2024 |
| 1818 | HARBACEK | Ellsworth County, KS | Oil Property | Feb 2025 |
| 1819 | HARBAUGH | Barber County, KS | Oil & Gas Property | Mar 2025 |
| 1820 | HARBAUGH | Shackelford County, TX | Oil & Gas Property | Apr 2025 |
| 1821 | HARBAUGH | Barber County, KS | Oil & Gas Property | Mar 2025 |
| 1822 | HARBAUGH | Ochiltree County, TX | Oil & Gas Property | Apr 2025 |
| 1823 | HARBAUGH | Barber County, KS | Oil & Gas Property | Mar 2025 |
| 1824 | HARBAUGH | Russell County, KS | Oil Property | Jan 2025 |
| 1825 | HARBAUGH | Portage County, OH | Oil & Gas Property | Dec 2024 |
| 1826 | HARBAUGH | Barber County, KS | Oil & Gas Property | Mar 2025 |
| 1827 | HARBAUGH | Kearny County, KS | Gas Property | Mar 2025 |
| 1828 | HARBER | Seminole County, OK | Oil & Gas Property | Mar 2025 |
| 1829 | HARBER | Archer County, TX | Oil & Gas Property | Mar 2025 |
| 1830 | HARBER MOLLIE | Archer County, TX | Oil & Gas Property | Mar 2025 |
| 1831 | HARBER, GRACE T | Runnels County, TX | Gas Property | Feb 2025 |
| 1832 | HARBERT | Kanawha County, WV | Oil & Gas Property | Oct 2021 |
| 1833 | HARBERT | Harrison County, WV | Oil & Gas Property | Dec 2021 |
| 1834 | HARBERT | Harrison County, WV | Oil & Gas Property | Dec 2021 |
| 1835 | HARBIN | Saline County, KS | Oil Property | Mar 2025 |
| 1836 | HARBIN | Eastland County, TX | Oil & Gas Property | Sep 2024 |
| 1837 | HARBISON | Miami County, KS | Oil Property | Mar 2025 |
| 1838 | HARBISON | Washington County, PA | Gas Property | May 2025 |
| 1839 | HARBISON | Indiana County, PA | Gas Property | Dec 2024 |
| 1840 | HARBISON | Archer County, TX | Oil & Gas Property | Apr 2025 |
| 1841 | HARBISON | Noble County, OK | Oil & Gas Property | May 2014 |
| 1842 | HARBISON WALKER | Clinton County, PA | Gas Property | Dec 2024 |
| 1843 | HARBISON-FISCHER | Tarrant County, TX | Oil & Gas Property | Apr 2025 |
| 1844 | HARBISON-WALKER | Clearfield County, PA | Gas Property | Dec 2024 |
| 1845 | HARBISON-WALKER | Clearfield County, PA | Gas Property | Dec 2024 |
| 1846 | HARBOLD | Eddy County, NM | Oil & Gas Property | May 2025 |
| 1847 | HARBOLT(WINGER) FIELD UNIT | Cooke County, TX | Oil & Gas Property | Apr 2025 |
| 1848 | HARBORDT | Santa Barbara County, CA | Oil & Gas Property | Jan 2021 |
| 1849 | HARBOUR | Tarrant County, TX | Oil & Gas Property | Sep 2024 |
| 1850 | HARBOUR | Hutchinson County, TX | Oil & Gas Property | Mar 2025 |
| 1851 | HARBOUR 5 | Williams County, ND | Oil & Gas Property | May 2025 |
| 1852 | HARBOURTOWN FED | Duchesne County, UT | Oil & Gas Property | Mar 2013 |
| 1853 | HARCROW | Leon County, TX | Oil & Gas Property | Apr 2025 |
| 1854 | HARD AS NAILS AMD ST | Chaves County, NM | Gas Property | May 2025 |
| 1855 | HARD DEAL | San Juan County, NM | Gas Property | Sep 2019 |
| 1856 | HARD KNOX 0304 | Garvin County, OK | Oil & Gas Property | Apr 2025 |
| 1857 | HARD ROCK | Cass County, TX | Oil & Gas Property | Apr 2025 |
| 1858 | HARDAGE | McClain County, OK | Oil & Gas Property | Oct 2020 |
| 1859 | HARDAGE & WILSON | Ward County, TX | Oil & Gas Property | Apr 2025 |
| 1860 | HARDAWAY | Webster Parish, LA | Oil Property | Jan 2025 |
| 1861 | HARDAWAY | Adams County, CO | Oil Property | Dec 1999 |
| 1862 | HARDBARGER | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 1863 | HARDBARGER | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 1864 | HARDBERGER | Gaines County, TX | Oil & Gas Property | Dec 2024 |
| 1865 | HARDCASTLE | Jackson County, MI | Oil & Gas Property | Apr 2025 |
| 1866 | HARDCASTLE | Johnson County, TX | Oil & Gas Property | Apr 2025 |
| 1867 | HARDCASTLE | Oklahoma County, OK | Oil Property | May 2025 |
| 1868 | HARDCASTLE STATE 27-34-39 | Reeves County, TX | Oil & Gas Property | Apr 2025 |
| 1869 | HARDEE | Mitchell County, TX | Oil & Gas Property | Apr 2025 |
| 1870 | HARDEMAN | Caldwell County, TX | Oil & Gas Property | Apr 2025 |
| 1871 | HARDEMAN | Caldwell County, TX | Oil & Gas Property | Apr 2025 |
| 1872 | HARDEMAN | Lee County, TX | Oil & Gas Property | Apr 2025 |
| 1873 | HARDEMAN DOROTHY JEAN | Denton County, TX | Gas Property | Apr 2025 |
| 1874 | HARDEMAN-HARDEMAN (SA) A 1H | Denton County, TX | Gas Property | Apr 2025 |
| 1875 | HARDEMAN-TURNER UNIT | Caldwell County, TX | Oil & Gas Property | Apr 2025 |
| 1876 | HARDEN | Stephens County, OK | Oil & Gas Property | Apr 2025 |
| 1877 | HARDEN | Alfalfa County, OK | Oil & Gas Property | Apr 2025 |
| 1878 | HARDEN | Greene County, PA | Gas Property | May 2025 |
| 1879 | HARDEN | Hughes County, OK | Oil & Gas Property | Apr 2025 |
| 1880 | HARDEN | Hockley County, TX | Oil & Gas Property | Apr 2025 |
| 1881 | HARDEN | Roger Mills County, OK | Oil & Gas Property | Apr 2025 |
| 1882 | HARDEN | Clark County, KS | Oil & Gas Property | Jun 2024 |
| 1883 | HARDEN FARMS ROG230H | Greene County, PA | Gas Property | May 2025 |
| 1884 | HARDER | Glacier County, MT | Gas Property | Aug 2013 |
| 1885 | HARDER | Allegany County, NY | Oil Property | Dec 2022 |
| 1886 | HARDER BROUSSARD UNIT | Jefferson County, TX | Oil & Gas Property | Aug 2024 |
| 1887 | HARDER L | Allegany County, NY | Gas Property | Dec 2000 |
| 1888 | HARDESTY | Sheridan County, KS | Oil Property | Jan 2008 |
| 1889 | HARDESTY | Butler County, KS | Oil Property | Mar 2025 |
| 1890 | HARDESTY | Red Willow County, NE | Oil Property | Dec 2024 |
| 1891 | HARDESTY | Sumner County, KS | Oil Property | Feb 2025 |
| 1892 | HARDESTY | Weld County, CO | Oil & Gas Property | Mar 2018 |
| 1893 | HARDESTY | Grady County, OK | Oil & Gas Property | Apr 2025 |
| 1894 | HARDESTY | Grady County, OK | Oil & Gas Property | Apr 2025 |
| 1895 | HARDESTY | Neosho County, KS | Oil Property | Apr 1987 |
| 1896 | HARDESTY A-HOOKS 4 USW | Dewitt County, TX | Oil & Gas Property | Apr 2025 |
| 1897 | HARDESTY UNIT A | Dewitt County, TX | Oil & Gas Property | Apr 2025 |
| 1898 | HARDGRAVE | Logan County, AR | Gas Property | Jun 2024 |
| 1899 | HARDGRAVE, BEN | Johnson County, AR | Gas Property | Jun 2024 |
| 1900 | HARDIE | San Juan County, NM | Oil & Gas Property | May 2025 |