| 3801 | RAINDANCE | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3802 | RALPH | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3803 | RALPH DOWNING A | La Plata County, CO | Gas Property | Mar 2025 |
| 3804 | RALPH NIX PRODUCE | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3805 | RAM LAND 30 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3806 | RAMEN 1423 0 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3807 | RAMOS 1 | Garfield County, CO | Oil & Gas Property | May 2023 |
| 3808 | RAMPART A3 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3809 | RANCHERO | Weld County, CO | Oil & Gas Property | Oct 2022 |
| 3810 | RANCHO WATER VALLEY | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3811 | RANCHVIEW | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3812 | RANDALL | Adams County, CO | Oil & Gas Property | Nov 2024 |
| 3813 | RANDALL CREEK | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3814 | RANDLE 33-7-10 | La Plata County, CO | Gas Property | Mar 2025 |
| 3815 | RANGELY SOUTH-FED | Rio Blanco County, CO | Oil & Gas Property | Dec 2024 |
| 3816 | RANGER 7 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3817 | RANGER-FEDERAL | Dolores County, CO | Oil & Gas Property | Dec 2024 |
| 3818 | RAPTOR | Lincoln County, CO | Oil & Gas Property | Mar 2025 |
| 3819 | RASBERRY 2-32 | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 3820 | RASMUSSEN | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3821 | RATTLER | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3822 | RATTLESNAKE | Moffat County, CO | Gas Property | Dec 2006 |
| 3823 | RATTLESNAKE FEDERAL LC10-7 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3824 | RAVEN | Rio Blanco County, CO | Oil & Gas Property | Feb 2025 |
| 3825 | RAVEN 3 | Yuma County, CO | Gas Property | Mar 2025 |
| 3826 | RAWHIDE FLATS 10-68-1 | Larimer County, CO | Oil & Gas Property | May 2019 |
| 3827 | RAY NELSON | Weld County, CO | Oil & Gas Property | Dec 2023 |
| 3828 | RAY RANCH 0780 | Jackson County, CO | Oil & Gas Property | Nov 2023 |
| 3829 | RAY-GLO | Weld County, CO | Oil & Gas Property | Dec 2015 |
| 3830 | RAYGLO A1 | Weld County, CO | Oil & Gas Property | Nov 2021 |
| 3831 | RAYMOND | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3832 | RAYMOND KOON A | La Plata County, CO | Gas Property | Mar 2025 |
| 3833 | RAZOR | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3834 | RAZOR 12 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3835 | RAZOR FEDERAL 12 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3836 | RAZOR FEDERAL 26 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3837 | RBF 1 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3838 | RBF 4 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3839 | RBF 6 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3840 | RBF 7 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3841 | RBF 8 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3842 | RBF 9 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3843 | REA 18U-03 | La Plata County, CO | Gas Property | Mar 2025 |
| 3844 | REAGAN LD06-6 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3845 | RECTOR | Rio Blanco County, CO | Oil & Gas Property | Feb 2025 |
| 3846 | RED CLOUD | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3847 | RED GIANT | Kiowa County, CO | Oil & Gas Property | Aug 2007 |
| 3848 | RED LADY 6-64 4-6 | Elbert County, CO | Oil & Gas Property | Mar 2025 |
| 3849 | RED MOUNTAIN RANCH | Mesa County, CO | Oil & Gas Property | Mar 2025 |
| 3850 | RED ROCKS | Las Animas County, CO | Gas Property | Mar 2025 |
| 3851 | REDIESS | Morgan County, CO | Oil & Gas Property | Sep 2005 |
| 3852 | REDSTONE 6-65 24-36 | Elbert County, CO | Oil & Gas Property | Mar 2025 |
| 3853 | REDTAIL BB 33-6 27 | La Plata County, CO | Gas Property | Mar 2025 |
| 3854 | REDWIN | Larimer County, CO | Oil Property | Apr 2025 |
| 3855 | REED 1 | Washington County, CO | Oil Property | Mar 2025 |
| 3856 | REED A | La Plata County, CO | Gas Property | Mar 2025 |
| 3857 | REEMAN | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3858 | REEMAN | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3859 | REESE 21 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3860 | REEVES | Arapahoe County, CO | Oil & Gas Property | Mar 2018 |
| 3861 | REGNIER | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3862 | REHDER | Weld County, CO | Oil & Gas Property | Sep 2017 |
| 3863 | REI 1 | Weld County, CO | Oil & Gas Property | Jun 2020 |
| 3864 | REI 2 | Weld County, CO | Oil & Gas Property | Mar 2023 |
| 3865 | REI 3 | Weld County, CO | Oil & Gas Property | Apr 2023 |
| 3866 | REI H | Weld County, CO | Oil & Gas Property | Apr 2023 |
| 3867 | REICHERT | Weld County, CO | Oil & Gas Property | Feb 2023 |
| 3868 | REICHERT | Weld County, CO | Oil & Gas Property | Apr 2017 |
| 3869 | REIGLE | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3870 | REIN | Weld County, CO | Oil & Gas Property | Apr 2019 |
| 3871 | REINERS B | Logan County, CO | Oil Property | Mar 2024 |
| 3872 | REINES 1-1H | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3873 | REINICK | Weld County, CO | Oil & Gas Property | Jun 2020 |
| 3874 | REININGHAUS | La Plata County, CO | Gas Property | Mar 2025 |
| 3875 | REINSCH | La Plata County, CO | Gas Property | Mar 2025 |
| 3876 | RELIANCE E 23 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3877 | REMINGTON FEDERAL LC | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3878 | REMORA LC34-7 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3879 | RENFROE | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3880 | RENZELMAN | Yuma County, CO | Gas Property | Mar 2025 |
| 3881 | REPPO | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 3882 | RESERVE 3-65 | Adams County, CO | Oil & Gas Property | Mar 2025 |
| 3883 | RESERVE FEDERAL 3-65 35-34 | Adams County, CO | Oil & Gas Property | Mar 2025 |
| 3884 | RESLER | Washington County, CO | Oil & Gas Property | Feb 2015 |
| 3885 | RESOLUTE | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3886 | RETHERFORD | Montezuma County, CO | Oil & Gas Property | Sep 2012 |
| 3887 | REVEILLE A3 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3888 | REYNOLDS | Weld County, CO | Oil & Gas Property | Dec 2018 |
| 3889 | REYNOLDS | Weld County, CO | Oil & Gas Property | Oct 2019 |
| 3890 | REYNOLDS CATTLE | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3891 | RH FARMS | Weld County, CO | Oil & Gas Property | Sep 2024 |
| 3892 | RHINO D 27 | Weld County, CO | Oil & Gas Property | Apr 2020 |
| 3893 | RHOADARMER | Weld County, CO | Oil & Gas Property | May 2016 |
| 3894 | RHOADES | Cheyenne County, CO | Oil & Gas Property | Mar 2025 |
| 3895 | RHOADES 3-33 | La Plata County, CO | Gas Property | Mar 2025 |
| 3896 | RHODES 1 | La Plata County, CO | Gas Property | Apr 2025 |
| 3897 | RICE | Logan County, CO | Oil & Gas Property | Mar 2025 |
| 3898 | RICE | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 3899 | RICE 22 | Weld County, CO | Oil & Gas Property | Apr 2020 |
| 3900 | RICHARD R FINDLAY | Weld County, CO | Oil & Gas Property | Jan 2025 |