| 1801 | OUTLAW STATE | Eddy County, NM | Oil & Gas Property | Sep 2024 |
| 1802 | OUTLAW WAGON 14-23MBH-ULW | McKenzie County, ND | Oil & Gas Property | Sep 2024 |
| 1803 | OUTLOOK | Sheridan County, MT | Oil & Gas Property | Aug 1996 |
| 1804 | OUTRIDER | Lea County, NM | Oil & Gas Property | Sep 2024 |
| 1805 | OUTRIDER 27 FEDERAL COM | Lea County, NM | Oil & Gas Property | Sep 2024 |
| 1806 | OUTRIDER 28 FEDERAL COM | Lea County, NM | Oil & Gas Property | Sep 2024 |
| 1807 | OUTRIGGER | Campbell County, WY | Oil & Gas Property | Sep 2024 |
| 1808 | OUTTERSIDE A. J | Galveston County, TX | Oil & Gas Property | Aug 2024 |
| 1809 | OVATION FEDERAL COM 1318 | Eddy County, NM | Oil & Gas Property | Sep 2024 |
| 1810 | OVER | Clarion County, PA | Gas Property | Dec 2023 |
| 1811 | OVER | Clarion County, PA | Oil & Gas Property | Dec 2023 |
| 1812 | OVERACKER | Garfield County, CO | Oil & Gas Property | Aug 2024 |
| 1813 | OVERAL 5892 11-30T | Mountrail County, ND | Oil & Gas Property | Sep 2024 |
| 1814 | OVERALL | Anderson County, KS | Oil Property | Jul 2024 |
| 1815 | OVERALL | Coleman County, TX | Oil & Gas Property | Jul 2024 |
| 1816 | OVERALL | Reno County, KS | Oil & Gas Property | Jul 2024 |
| 1817 | OVERBEY | Wichita County, TX | Oil & Gas Property | Aug 2024 |
| 1818 | OVERBEY 28-14 #1 | Conecuh County, AL | Oil & Gas Property | Jun 2024 |
| 1819 | OVERBROOK FEE | Campbell County, WY | Gas Property | May 2013 |
| 1820 | OVERBY | Wichita County, TX | Oil & Gas Property | Aug 2024 |
| 1821 | OVERBY | Toole County, MT | Gas Property | Jul 2024 |
| 1822 | OVERBY 15-1 | Conecuh County, AL | Oil & Gas Property | Jun 2024 |
| 1823 | OVERBY C. J | Karnes County, TX | Oil & Gas Property | Apr 2015 |
| 1824 | OVERBY GAS UNIT 2E | Bee County, TX | Oil & Gas Property | Aug 2024 |
| 1825 | OVERCASH | Throckmorton County, TX | Oil & Gas Property | Jul 2024 |
| 1826 | OVERDORF | Williams County, ND | Oil & Gas Property | Sep 2024 |
| 1827 | OVERFIELD | Henderson County, KY | Oil Property | Nov 2019 |
| 1828 | OVERFIELD | Henderson County, KY | Oil Property | Oct 2014 |
| 1829 | OVERHOLSER | Rooks County, KS | Oil Property | Jul 2024 |
| 1830 | OVERHOLT | Claiborne Parish, LA | Oil Property | Jun 2024 |
| 1831 | OVERLAND 1 | Burke County, ND | Oil & Gas Property | Sep 2024 |
| 1832 | OVERLAND 20-17-162-98H 4MD | Divide County, ND | Oil & Gas Property | Sep 2024 |
| 1833 | OVERLAND ANDERSON | Kern County, CA | Oil & Gas Property | Nov 2018 |
| 1834 | OVERLEE | Burke County, ND | Oil & Gas Property | Sep 2024 |
| 1835 | OVERLOOK | Weld County, CO | Oil & Gas Property | Aug 2024 |
| 1836 | OVERLOOK DEV | Montgomery County, KS | Oil Property | Jul 2024 |
| 1837 | OVERMAN | Kay County, OK | Oil & Gas Property | Aug 2023 |
| 1838 | OVERMAN | Cowley County, KS | Oil Property | Dec 2022 |
| 1839 | OVERMYER | Ford County, KS | Oil & Gas Property | Jul 2024 |
| 1840 | OVERSHOWN GAS UNIT | Houston County, TX | Oil & Gas Property | Aug 2024 |
| 1841 | OVERSTREET | Le Flore County, OK | Gas Property | Feb 2016 |
| 1842 | OVERSTREET | Washita County, OK | Oil & Gas Property | Mar 2022 |
| 1843 | OVERSTREET | Cooke County, TX | Oil Property | Aug 2024 |
| 1844 | OVERSTREET | Polk County, TX | Oil & Gas Property | Aug 2024 |
| 1845 | OVERSTREET | Seminole County, OK | Oil & Gas Property | May 2024 |
| 1846 | OVERTON | Garfield County, OK | Oil & Gas Property | May 2016 |
| 1847 | OVERTON | Smith County, TX | Oil & Gas Property | Aug 2024 |
| 1848 | OVERTON | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 1849 | OVERTON | Beaver County, OK | Oil & Gas Property | Aug 2024 |
| 1850 | OVERTON | Logan County, OK | Oil & Gas Property | Aug 2024 |
| 1851 | OVERTON | Beaver County, OK | Oil & Gas Property | Aug 2024 |
| 1852 | OVERTON | Christian County, KY | Oil Property | Jul 2022 |
| 1853 | OVERTON | Beaver County, OK | Oil & Gas Property | Sep 2024 |
| 1854 | OVERTON | Glasscock County, TX | Oil & Gas Property | Aug 2024 |
| 1855 | OVERTON | Beaver County, OK | Oil & Gas Property | Aug 2024 |
| 1856 | OVERTON | Adams County, MS | Oil & Gas Property | Aug 2024 |
| 1857 | OVERTON BEN | Brown County, TX | Oil & Gas Property | Jul 2024 |
| 1858 | OVERTON G | Rusk County, TX | Oil & Gas Property | Aug 2024 |
| 1859 | OVERTON NE (PETTIT -A-) UNIT | Rusk County, TX | Oil & Gas Property | Aug 2024 |
| 1860 | OVERTON UNIT | Dawson County, TX | Oil & Gas Property | Aug 2024 |
| 1861 | OVIATT | Major County, OK | Oil & Gas Property | Jan 2006 |
| 1862 | OW PROPER | Elk County, PA | Gas Property | Dec 2023 |
| 1863 | OWAN 14B-22HN | Divide County, ND | Oil & Gas Property | Sep 2024 |
| 1864 | OWAN 23-26H | Williams County, ND | Oil & Gas Property | Sep 2024 |
| 1865 | OWAN 29-32 1-H | Williams County, ND | Oil & Gas Property | Sep 2024 |
| 1866 | OWAN-NEHRING 27-34 1-H | Williams County, ND | Oil & Gas Property | Sep 2024 |
| 1867 | OWASCO UNIT | Kimball County, NE | Oil Property | Dec 2023 |
| 1868 | OWC 0 | Los Angeles County, CA | Oil & Gas Property | Sep 2024 |
| 1869 | OWE 0 | Los Angeles County, CA | Oil & Gas Property | Sep 2024 |
| 1870 | OWEN | Uinta County, WY | Oil & Gas Property | Sep 2024 |
| 1871 | OWEN | San Juan County, NM | Oil & Gas Property | Aug 2024 |
| 1872 | OWEN | Logan County, KS | Oil Property | Jul 2024 |
| 1873 | OWEN | Stafford County, KS | Oil Property | Mar 1992 |
| 1874 | OWEN | Moore County, TX | Oil & Gas Property | Aug 2024 |
| 1875 | OWEN | Lea County, NM | Oil & Gas Property | Sep 2024 |
| 1876 | OWEN | Johnson County, TX | Oil & Gas Property | Aug 2024 |
| 1877 | OWEN | Burleson County, TX | Oil & Gas Property | Aug 2024 |
| 1878 | OWEN | Webb County, TX | Oil & Gas Property | Aug 2024 |
| 1879 | OWEN | Jack County, TX | Oil & Gas Property | Jul 2024 |
| 1880 | OWEN | Ector County, TX | Oil & Gas Property | Aug 2024 |
| 1881 | OWEN | Jack County, TX | Oil & Gas Property | Aug 2024 |
| 1882 | OWEN | Young County, TX | Oil & Gas Property | Aug 2024 |
| 1883 | OWEN | Webb County, TX | Oil & Gas Property | Aug 2024 |
| 1884 | OWEN 1 | Weld County, CO | Oil & Gas Property | Aug 2024 |
| 1885 | OWEN 2 | Dewey County, OK | Oil & Gas Property | Aug 2024 |
| 1886 | OWEN 5-27-12 1H | Alfalfa County, OK | Oil & Gas Property | Sep 2024 |
| 1887 | OWEN BRISCOE | Webb County, TX | Oil & Gas Property | Aug 2024 |
| 1888 | OWEN DOWDY | Stevens County, KS | Oil Property | Aug 2017 |
| 1889 | OWEN F | Burleson County, TX | Oil & Gas Property | May 2022 |
| 1890 | OWEN F | Knox County, OH | Oil Property | Dec 2017 |
| 1891 | OWEN GAS UNIT | Kearny County, KS | Gas Property | Jul 2024 |
| 1892 | OWEN ILLINOIS | Allen Parish, LA | Oil & Gas Property | Jun 2024 |
| 1893 | OWEN J | Ellis County, TX | Oil & Gas Property | Jul 2024 |
| 1894 | OWEN J.D. GAS UNIT | Bowie County, TX | Oil & Gas Property | Feb 2018 |
| 1895 | OWEN MESA 2 | Eddy County, NM | Oil & Gas Property | Nov 2019 |
| 1896 | OWEN MILLER | Washington County, OH | Gas Property | Dec 1987 |
| 1897 | OWEN RHB 1H | Harrison County, TX | Gas Property | Aug 2024 |
| 1898 | OWEN, RC | Christian County, KY | Oil Property | Nov 2017 |
| 1899 | OWEN-BERRY | Cooke County, TX | Oil Property | Aug 2024 |
| 1900 | OWEN-BRISCOE STATE-WCSL GU B 2H | Webb County, TX | Gas Property | Aug 2024 |