| 1801 | GOVERNMENT | Garfield County, CO | Gas Property | Feb 2024 |
| 1802 | GOVERNMENT | Rio Blanco County, CO | Oil & Gas Property | May 2026 |
| 1803 | GOVERNMENT | Moffat County, CO | Oil & Gas Property | May 2026 |
| 1804 | GOVERNMENT | Mesa County, CO | Oil & Gas Property | Mar 2026 |
| 1805 | GOVT 1 | Rio Blanco County, CO | Oil & Gas Property | Jun 2026 |
| 1806 | GOVT TRELEAVEN | Moffat County, CO | Oil & Gas Property | May 2026 |
| 1807 | GP 29 | Montezuma County, CO | Oil & Gas Property | May 2026 |
| 1808 | GP ALLES FED 17W-25 | Weld County, CO | Oil & Gas Property | May 2026 |
| 1809 | GP CBJ FED 17W-25-0 | Weld County, CO | Oil & Gas Property | May 2026 |
| 1810 | GP CODY FED 20E-15 | Weld County, CO | Oil & Gas Property | May 2026 |
| 1811 | GP HILLSIDE FED | Weld County, CO | Oil & Gas Property | May 2026 |
| 1812 | GP JACKSON FED 17W-25 | Weld County, CO | Oil & Gas Property | May 2026 |
| 1813 | GP-DAIRY 1-20-19 | Weld County, CO | Oil & Gas Property | May 2026 |
| 1814 | GRACE COWEN A | La Plata County, CO | Gas Property | May 2026 |
| 1815 | GRACIE 24 | Weld County, CO | Oil & Gas Property | May 2026 |
| 1816 | GRACIE LD22-7 | Weld County, CO | Oil & Gas Property | May 2026 |
| 1817 | GRADISHAR STATE LD11-7 | Weld County, CO | Oil & Gas Property | May 2026 |
| 1818 | GRAEBER | Weld County, CO | Oil & Gas Property | Feb 2019 |
| 1819 | GRAEFE | Weld County, CO | Oil Property | Apr 2026 |
| 1820 | GRAHAM | Weld County, CO | Oil & Gas Property | May 2026 |
| 1821 | GRAHAM | Garfield County, CO | Oil & Gas Property | May 2026 |
| 1822 | GRAHAM 1 | Garfield County, CO | Oil & Gas Property | May 2026 |
| 1823 | GRAND VALLEY W | Garfield County, CO | Oil & Gas Property | May 2026 |
| 1824 | GRANDE 4-65 20-19 | Arapahoe County, CO | Oil & Gas Property | May 2026 |
| 1825 | GRANLEE | Garfield County, CO | Oil & Gas Property | May 2026 |
| 1826 | GRANT | Weld County, CO | Oil & Gas Property | Feb 2021 |
| 1827 | GRANT | Weld County, CO | Oil & Gas Property | Sep 2021 |
| 1828 | GRANT ARENS | Weld County, CO | Oil & Gas Property | Dec 2021 |
| 1829 | GRANT ELMQUIST 2 | Weld County, CO | Oil & Gas Property | May 2026 |
| 1830 | GRANT HURT 1 | Weld County, CO | Oil & Gas Property | May 2026 |
| 1831 | GRANT SALISBURY 2 | Weld County, CO | Oil & Gas Property | May 2026 |
| 1832 | GRASS MESA | Garfield County, CO | Oil & Gas Property | May 2026 |
| 1833 | GRASSY CREEK | Routt County, CO | Oil & Gas Property | May 2026 |
| 1834 | GRATTAN | Weld County, CO | Oil & Gas Property | May 2026 |
| 1835 | GRAVEL DRAW | Weld County, CO | Oil & Gas Property | May 2026 |
| 1836 | GRAY | Rio Blanco County, CO | Oil & Gas Property | May 2026 |
| 1837 | GRAY | Weld County, CO | Oil & Gas Property | Mar 2022 |
| 1838 | GRAY | Weld County, CO | Oil & Gas Property | May 2026 |
| 1839 | GRAY FED D-032703A A-19X | Rio Blanco County, CO | Oil & Gas Property | May 2026 |
| 1840 | GRAY GOVT D-032703 A A-18X | Rio Blanco County, CO | Oil & Gas Property | May 2026 |
| 1841 | GRAYS FEDERAL | Weld County, CO | Oil & Gas Property | May 2026 |
| 1842 | GRAYS-STATE | Cheyenne County, CO | Oil & Gas Property | May 2026 |
| 1843 | GRAZNAK | Weld County, CO | Oil & Gas Property | Dec 2021 |
| 1844 | GREASEWOOD | Weld County, CO | Oil & Gas Property | May 2026 |
| 1845 | GREAT DIVIDE | Moffat County, CO | Oil & Gas Property | Jun 2019 |
| 1846 | GREAT PLAINS 2 | Las Animas County, CO | Gas Property | May 2026 |
| 1847 | GREAT WESTERN | Weld County, CO | Oil & Gas Property | Dec 2020 |
| 1848 | GREAT WESTERN SUGAR | Weld County, CO | Oil & Gas Property | May 2024 |
| 1849 | GREELEY NATIONAL BANK | Weld County, CO | Oil & Gas Property | May 2026 |
| 1850 | GREELEY-ROTHE | Weld County, CO | Oil & Gas Property | May 2026 |
| 1851 | GREEN | Weld County, CO | Oil & Gas Property | May 2026 |
| 1852 | GREEN | Weld County, CO | Oil & Gas Property | Apr 2026 |
| 1853 | GREEN | Adams County, CO | Oil & Gas Property | Apr 2026 |
| 1854 | GREEN | Weld County, CO | Oil & Gas Property | May 2026 |
| 1855 | GREEN | Morgan County, CO | Oil & Gas Property | Dec 2007 |
| 1856 | GREEN MA 17 | Broomfield County, CO | Oil & Gas Property | Dec 2019 |
| 1857 | GREEN TEAL FED 34-27 | Weld County, CO | Oil & Gas Property | May 2026 |
| 1858 | GREEN VALLEY L6 | Weld County, CO | Oil & Gas Property | Sep 2018 |
| 1859 | GREENEMEIER | Adams County, CO | Oil & Gas Property | Sep 2018 |
| 1860 | GREENFIELD 15-1 | Yuma County, CO | Gas Property | May 2026 |
| 1861 | GREENHEAD | Weld County, CO | Oil & Gas Property | May 2017 |
| 1862 | GREENLEAF | Weld County, CO | Oil & Gas Property | May 2026 |
| 1863 | GREER | Weld County, CO | Oil & Gas Property | Jan 2020 |
| 1864 | GREGERSON | Weld County, CO | Oil & Gas Property | Jul 2024 |
| 1865 | GREGORY | Jackson County, CO | Oil & Gas Property | May 2026 |
| 1866 | GRENEMEYER | Weld County, CO | Oil & Gas Property | May 2026 |
| 1867 | GRENEMYER | Weld County, CO | Oil & Gas Property | May 2026 |
| 1868 | GREYSON LD28-7 | Weld County, CO | Oil & Gas Property | May 2026 |
| 1869 | GRIFFITH 1 | Mesa County, CO | Oil & Gas Property | May 2026 |
| 1870 | GRIFFITHS | Weld County, CO | Oil & Gas Property | May 2026 |
| 1871 | GRIGSBY | Yuma County, CO | Gas Property | May 2026 |
| 1872 | GRIMM MOTOCROSS 4-65 2 | Arapahoe County, CO | Oil & Gas Property | May 2026 |
| 1873 | GRINDE 01-64-05 | Weld County, CO | Oil & Gas Property | May 2026 |
| 1874 | GRISWOLD | Weld County, CO | Oil & Gas Property | May 2026 |
| 1875 | GRIZZLY 0881 | Jackson County, CO | Oil & Gas Property | May 2026 |
| 1876 | GRIZZLY 3-3 | Jackson County, CO | Oil & Gas Property | May 2026 |
| 1877 | GROFF A | La Plata County, CO | Gas Property | May 2026 |
| 1878 | GROSECLOSE | Yuma County, CO | Gas Property | May 2026 |
| 1879 | GROTHEER 5-61 11 | Weld County, CO | Oil & Gas Property | May 2026 |
| 1880 | GROVES | Weld County, CO | Oil & Gas Property | Nov 2020 |
| 1881 | GROVES FARM | Weld County, CO | Oil & Gas Property | May 2026 |
| 1882 | GRUEN 22 | Weld County, CO | Oil & Gas Property | Jun 2019 |
| 1883 | GUCCINI | Garfield County, CO | Oil & Gas Property | May 2026 |
| 1884 | GUERRERO | Weld County, CO | Oil & Gas Property | Apr 2017 |
| 1885 | GUEST | Weld County, CO | Oil & Gas Property | May 2026 |
| 1886 | GULLEY | Washington County, CO | Oil & Gas Property | May 2026 |
| 1887 | GULLEY 1 | Weld County, CO | Oil & Gas Property | Nov 2023 |
| 1888 | GUMESON | Weld County, CO | Oil & Gas Property | Aug 2014 |
| 1889 | GUNDERSON | Mesa County, CO | Oil & Gas Property | May 2026 |
| 1890 | GUNTHER | Weld County, CO | Oil & Gas Property | Jun 2017 |
| 1891 | GUNTHER | Weld County, CO | Oil & Gas Property | Dec 2016 |
| 1892 | GURLEY | Weld County, CO | Oil & Gas Property | Feb 2019 |
| 1893 | GURTLER | Weld County, CO | Oil & Gas Property | Apr 2019 |
| 1894 | GURTLER | Weld County, CO | Oil & Gas Property | May 2026 |
| 1895 | GUS LD | Adams County, CO | Oil & Gas Property | May 2026 |
| 1896 | GUSTAFSON | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 1897 | GUTHRIE | Adams County, CO | Oil & Gas Property | May 2026 |
| 1898 | GUTTERSEN | Weld County, CO | Oil & Gas Property | May 2026 |
| 1899 | GUTTERSEN | Weld County, CO | Oil & Gas Property | May 2026 |
| 1900 | GUTTERSEN FEDERAL STATE YY0 | Weld County, CO | Oil & Gas Property | May 2026 |