| 3801 | RANDALL | Adams County, CO | Oil & Gas Property | Nov 2024 |
| 3802 | RANDALL CREEK | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3803 | RANDLE 33-7-10 | La Plata County, CO | Gas Property | Jul 2025 |
| 3804 | RANGELY SOUTH-FED | Rio Blanco County, CO | Oil & Gas Property | Jul 2025 |
| 3805 | RANGER 7 | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3806 | RANGER-FEDERAL | Dolores County, CO | Oil & Gas Property | Aug 2024 |
| 3807 | RAPTOR | Lincoln County, CO | Oil & Gas Property | Jul 2025 |
| 3808 | RASBERRY 2-32 | Garfield County, CO | Oil & Gas Property | Jul 2025 |
| 3809 | RASMUSSEN | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3810 | RATTLER | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3811 | RATTLESNAKE | Moffat County, CO | Gas Property | Dec 2006 |
| 3812 | RATTLESNAKE FEDERAL LC10-7 | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3813 | RAVEN | Rio Blanco County, CO | Oil & Gas Property | Jul 2025 |
| 3814 | RAVEN (RE-ENTRY) A-5X | Rio Blanco County, CO | Oil & Gas Property | Jul 2025 |
| 3815 | RAVEN 3 | Yuma County, CO | Gas Property | Jul 2025 |
| 3816 | RAWHIDE FLATS 10-68-1 | Larimer County, CO | Oil & Gas Property | May 2019 |
| 3817 | RAY NELSON | Weld County, CO | Oil & Gas Property | Dec 2023 |
| 3818 | RAY RANCH 0780 | Jackson County, CO | Oil & Gas Property | Nov 2023 |
| 3819 | RAY-GLO | Weld County, CO | Oil & Gas Property | Dec 2015 |
| 3820 | RAYGLO A1 | Weld County, CO | Oil & Gas Property | Nov 2021 |
| 3821 | RAYMOND | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3822 | RAYMOND KOON A | La Plata County, CO | Gas Property | Jul 2025 |
| 3823 | RAZOR | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3824 | RAZOR 12 | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3825 | RAZOR FEDERAL 12 | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3826 | RAZOR FEDERAL 26 | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3827 | RBF 1 | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3828 | RBF 2 | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3829 | RBF 4 | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3830 | RBF 6 | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3831 | RBF 7 | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3832 | RBF 8 | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3833 | REA 18U-03 | La Plata County, CO | Gas Property | Jul 2025 |
| 3834 | REAGAN LD06-6 | Weld County, CO | Oil & Gas Property | Jun 2025 |
| 3835 | RECTOR | Rio Blanco County, CO | Oil & Gas Property | Jul 2025 |
| 3836 | RED CLOUD | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3837 | RED GIANT | Kiowa County, CO | Oil & Gas Property | Aug 2007 |
| 3838 | RED LADY 6-64 4-6 | Elbert County, CO | Oil & Gas Property | Aug 2025 |
| 3839 | RED MOUNTAIN RANCH | Mesa County, CO | Oil & Gas Property | Jul 2025 |
| 3840 | RED ROCKS | Las Animas County, CO | Gas Property | Aug 2025 |
| 3841 | REDIESS | Morgan County, CO | Oil & Gas Property | Sep 2005 |
| 3842 | REDSTONE 6-65 24-36 | Elbert County, CO | Oil & Gas Property | Aug 2025 |
| 3843 | REDTAIL BB 33-6 27 | La Plata County, CO | Gas Property | Jul 2025 |
| 3844 | REDTAIL HS 32-6 2 | Archuleta County, CO | Gas Property | Jul 2025 |
| 3845 | REDWIN | Larimer County, CO | Oil Property | Jul 2025 |
| 3846 | REED 1 | Washington County, CO | Oil Property | Jul 2025 |
| 3847 | REED A | La Plata County, CO | Gas Property | Jul 2025 |
| 3848 | REEMAN | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3849 | REEMAN | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3850 | REESE 21 | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3851 | REEVES | Arapahoe County, CO | Oil & Gas Property | Mar 2018 |
| 3852 | REGNIER | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3853 | REHDER | Weld County, CO | Oil & Gas Property | Sep 2017 |
| 3854 | REI 1 | Weld County, CO | Oil & Gas Property | Jun 2020 |
| 3855 | REI 2 | Weld County, CO | Oil & Gas Property | Mar 2023 |
| 3856 | REI 3 | Weld County, CO | Oil & Gas Property | Apr 2023 |
| 3857 | REI H | Weld County, CO | Oil & Gas Property | Apr 2023 |
| 3858 | REICHERT | Weld County, CO | Oil & Gas Property | Apr 2017 |
| 3859 | REICHERT | Weld County, CO | Oil & Gas Property | Feb 2023 |
| 3860 | REIGLE | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3861 | REIN | Weld County, CO | Oil & Gas Property | Apr 2019 |
| 3862 | REINERS B | Logan County, CO | Oil Property | Mar 2024 |
| 3863 | REINES 1-1H | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3864 | REINICK | Weld County, CO | Oil & Gas Property | Jun 2020 |
| 3865 | REININGHAUS | La Plata County, CO | Gas Property | Aug 2025 |
| 3866 | REINSCH | La Plata County, CO | Gas Property | Jul 2025 |
| 3867 | RELIANCE E 23 | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3868 | REMINGTON FEDERAL LC | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3869 | REMORA LC34-7 | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3870 | RENFROE | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3871 | RENZELMAN | Yuma County, CO | Gas Property | Jul 2025 |
| 3872 | REPPO | Garfield County, CO | Oil & Gas Property | Jul 2025 |
| 3873 | RESERVE 3-65 | Adams County, CO | Oil & Gas Property | Jul 2025 |
| 3874 | RESERVE FEDERAL 3-65 35-34 | Adams County, CO | Oil & Gas Property | Jul 2025 |
| 3875 | RESLER | Washington County, CO | Oil & Gas Property | Feb 2015 |
| 3876 | RESOLUTE | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3877 | RETHERFORD | Montezuma County, CO | Oil & Gas Property | Sep 2012 |
| 3878 | REVEILLE A3 | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3879 | REYNOLDS | Weld County, CO | Oil & Gas Property | Oct 2019 |
| 3880 | REYNOLDS | Weld County, CO | Oil & Gas Property | Dec 2018 |
| 3881 | REYNOLDS CATTLE | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3882 | RH FARMS | Weld County, CO | Oil & Gas Property | Sep 2024 |
| 3883 | RHINO D 27 | Weld County, CO | Oil & Gas Property | Apr 2020 |
| 3884 | RHOADARMER | Weld County, CO | Oil & Gas Property | May 2016 |
| 3885 | RHOADES | Cheyenne County, CO | Oil & Gas Property | Aug 2025 |
| 3886 | RHOADES 3-33 | La Plata County, CO | Gas Property | Aug 2025 |
| 3887 | RICE | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3888 | RICE | Logan County, CO | Oil & Gas Property | Jul 2025 |
| 3889 | RICE 22 | Weld County, CO | Oil & Gas Property | Apr 2020 |
| 3890 | RICHARD R FINDLAY | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3891 | RICHARDSON | La Plata County, CO | Gas Property | Jul 2025 |
| 3892 | RICHARDSON | Yuma County, CO | Gas Property | Jul 2025 |
| 3893 | RICHARDSON | Weld County, CO | Oil & Gas Property | Apr 2016 |
| 3894 | RICHARDSON | Weld County, CO | Oil & Gas Property | Jun 2020 |
| 3895 | RICHERS | Yuma County, CO | Oil & Gas Property | Jul 2025 |
| 3896 | RICHTER | Weld County, CO | Oil & Gas Property | May 2025 |
| 3897 | RICKS | Weld County, CO | Oil & Gas Property | Sep 2019 |
| 3898 | RICO LC29-7 | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3899 | RIDGE STATE | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 3900 | RIDGWAY | Weld County, CO | Oil & Gas Property | Jul 2025 |