| 4101 | QUARTER CIRCLE 24 | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 4102 | QUINBY MD 12 | Boulder County, CO | Oil & Gas Property | Jul 2025 |
| 4103 | QUINTANA 32 | La Plata County, CO | Gas Property | Nov 2025 |
| 4104 | QUIVER 33-7-9 | La Plata County, CO | Gas Property | Nov 2025 |
| 4105 | QUIVER UNIT | Kiowa County, CO | Oil Property | Nov 2025 |
| 4106 | R C NAUMAN | Adams County, CO | Oil & Gas Property | Oct 2011 |
| 4107 | R&G 26 | La Plata County, CO | Gas Property | Dec 2025 |
| 4108 | R&R FARMS 2 | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 4109 | R. GODSEY | Yuma County, CO | Gas Property | Nov 2025 |
| 4110 | RABBIT BUSH FEDERAL 44-19 | Las Animas County, CO | Gas Property | Dec 2025 |
| 4111 | RADEMACHER | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 4112 | RADY 12 | Weld County, CO | Oil & Gas Property | Mar 2015 |
| 4113 | RAEL | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 4114 | RAFERT 843 | Phillips County, CO | Gas Property | Sep 2023 |
| 4115 | RAFTOPOULOS | Moffat County, CO | Oil & Gas Property | Dec 2018 |
| 4116 | RAGAN N 14 | Weld County, CO | Oil & Gas Property | Nov 2019 |
| 4117 | RAILAY | Weld County, CO | Oil & Gas Property | Jan 2022 |
| 4118 | RAINBOW | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 4119 | RAINBOW 9 | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 4120 | RAINDANCE | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 4121 | RAINWATER 11-10 | Las Animas County, CO | Gas Property | Dec 2025 |
| 4122 | RALPH | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 4123 | RALPH DOWNING A | La Plata County, CO | Gas Property | Nov 2025 |
| 4124 | RALPH NIX PRODUCE | Weld County, CO | Oil & Gas Property | Apr 2025 |
| 4125 | RAM LAND 30 | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 4126 | RAMEN 1423 0 | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 4127 | RAMOS 1 | Garfield County, CO | Oil & Gas Property | Dec 2025 |
| 4128 | RAMPART A3 | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 4129 | RANCHERO | Weld County, CO | Oil & Gas Property | Oct 2022 |
| 4130 | RANCHO WATER VALLEY | Weld County, CO | Oil & Gas Property | Oct 2025 |
| 4131 | RANCHVIEW | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 4132 | RANDALL | Adams County, CO | Oil & Gas Property | Sep 2025 |
| 4133 | RANDALL CREEK | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 4134 | RANDLE 33-7-10 | La Plata County, CO | Gas Property | Nov 2025 |
| 4135 | RANGELY SOUTH-FED | Rio Blanco County, CO | Oil & Gas Property | Jul 2025 |
| 4136 | RANGER 7 | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 4137 | RANGER-FEDERAL | Dolores County, CO | Oil & Gas Property | May 2024 |
| 4138 | RAPTOR | Lincoln County, CO | Oil & Gas Property | Oct 2025 |
| 4139 | RASBERRY 2-32 | Garfield County, CO | Oil & Gas Property | Dec 2025 |
| 4140 | RASMUSSEN | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 4141 | RATTLER | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 4142 | RATTLER 33-23 | Las Animas County, CO | Gas Property | Dec 2025 |
| 4143 | RATTLESNAKE | Moffat County, CO | Gas Property | Dec 2006 |
| 4144 | RATTLESNAKE FEDERAL LC10-7 | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 4145 | RAVEN | Rio Blanco County, CO | Oil & Gas Property | Dec 2025 |
| 4146 | RAVEN 3 | Yuma County, CO | Gas Property | Nov 2025 |
| 4147 | RAWHIDE FLATS 10-68-1 | Larimer County, CO | Oil & Gas Property | May 2019 |
| 4148 | RAY NELSON | Weld County, CO | Oil & Gas Property | Dec 2023 |
| 4149 | RAY RANCH 0780 | Jackson County, CO | Oil & Gas Property | Nov 2025 |
| 4150 | RAY-GLO | Weld County, CO | Oil & Gas Property | Dec 2015 |
| 4151 | RAYGLO A1 | Weld County, CO | Oil & Gas Property | Nov 2021 |
| 4152 | RAYMOND | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 4153 | RAYMOND KOON A | La Plata County, CO | Gas Property | Nov 2025 |
| 4154 | RAZOR | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 4155 | RAZOR 12 | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 4156 | RAZOR FEDERAL 12 | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 4157 | RAZOR FEDERAL 26 | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 4158 | RBF 1 | Weld County, CO | Oil & Gas Property | Oct 2025 |
| 4159 | REA 18U-03 | La Plata County, CO | Gas Property | Nov 2025 |
| 4160 | REAGAN LD06-6 | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 4161 | RECTOR | Rio Blanco County, CO | Oil & Gas Property | Dec 2025 |
| 4162 | RED CLOUD | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 4163 | RED GIANT | Kiowa County, CO | Oil & Gas Property | Aug 2007 |
| 4164 | RED HORSE 2 | Las Animas County, CO | Gas Property | Dec 2025 |
| 4165 | RED LADY 6-64 4-6 | Elbert County, CO | Oil & Gas Property | Dec 2025 |
| 4166 | RED MOUNTAIN RANCH | Mesa County, CO | Oil & Gas Property | Nov 2025 |
| 4167 | RED ROCKS | Las Animas County, CO | Gas Property | Dec 2025 |
| 4168 | REDIESS | Morgan County, CO | Oil & Gas Property | Sep 2005 |
| 4169 | REDSTONE 6-65 24-36 | Elbert County, CO | Oil & Gas Property | Dec 2025 |
| 4170 | REDTAIL BB 33-6 27 | La Plata County, CO | Gas Property | Nov 2025 |
| 4171 | REDTAIL HS 32-6 2 | Archuleta County, CO | Gas Property | Nov 2025 |
| 4172 | REDWIN | Larimer County, CO | Oil & Gas Property | Dec 2025 |
| 4173 | REED 1 | Washington County, CO | Oil Property | Nov 2025 |
| 4174 | REED A | La Plata County, CO | Gas Property | Nov 2025 |
| 4175 | REEMAN | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 4176 | REEMAN | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 4177 | REESE 21 | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 4178 | REEVES | Arapahoe County, CO | Oil & Gas Property | Mar 2018 |
| 4179 | REGNIER | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 4180 | REHDER | Weld County, CO | Oil & Gas Property | Sep 2017 |
| 4181 | REI 1 | Weld County, CO | Oil & Gas Property | Jun 2020 |
| 4182 | REI 2 | Weld County, CO | Oil & Gas Property | Dec 2023 |
| 4183 | REI 3 | Weld County, CO | Oil & Gas Property | Apr 2023 |
| 4184 | REI H | Weld County, CO | Oil & Gas Property | May 2023 |
| 4185 | REICHERT | Weld County, CO | Oil & Gas Property | Feb 2023 |
| 4186 | REICHERT | Weld County, CO | Oil & Gas Property | Apr 2017 |
| 4187 | REIGLE | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 4188 | REIN | Weld County, CO | Oil & Gas Property | Apr 2019 |
| 4189 | REINERS B | Logan County, CO | Oil Property | Mar 2024 |
| 4190 | REINES 1-1H | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 4191 | REINICK | Weld County, CO | Oil & Gas Property | Jun 2020 |
| 4192 | REININGHAUS | La Plata County, CO | Gas Property | Dec 2025 |
| 4193 | REINSCH | La Plata County, CO | Gas Property | Nov 2025 |
| 4194 | RELIANCE E 23 | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 4195 | REMINGTON FEDERAL LC | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 4196 | REMORA LC34-7 | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 4197 | RENFROE | Weld County, CO | Oil & Gas Property | Nov 2025 |
| 4198 | RENZELMAN | Yuma County, CO | Gas Property | Nov 2025 |
| 4199 | REPPO | Garfield County, CO | Oil & Gas Property | Dec 2025 |
| 4200 | RESERVE 3-65 | Adams County, CO | Oil & Gas Property | Nov 2025 |