| 101 | CIRCLE RANCH | Weld County, CO | Oil & Gas Property | Oct 2018 |
| 102 | CITO TRUST | Weld County, CO | Oil & Gas Property | May 2026 |
| 103 | CLARK | Weld County, CO | Oil & Gas Property | May 2026 |
| 104 | CLARK | Weld County, CO | Oil & Gas Property | Oct 2023 |
| 105 | CLC RED W 15 | Weld County, CO | Oil & Gas Property | Nov 2018 |
| 106 | CLELAND 15 | Weld County, CO | Oil & Gas Property | May 2026 |
| 107 | CLEMENT | Weld County, CO | Oil & Gas Property | Nov 2024 |
| 108 | CLEMONS | Weld County, CO | Oil & Gas Property | Jan 2021 |
| 109 | CLETCHER | Weld County, CO | Oil & Gas Property | Jan 2018 |
| 110 | CLEVELAND | Weld County, CO | Oil & Gas Property | May 2026 |
| 111 | CLIFFORD L | Weld County, CO | Oil & Gas Property | Mar 2021 |
| 112 | CLINE | Weld County, CO | Oil & Gas Property | May 2026 |
| 113 | CLOVER 29 | Weld County, CO | Oil & Gas Property | May 2026 |
| 114 | COAL CREEK | Weld County, CO | Oil & Gas Property | May 2026 |
| 115 | COALBANK | Weld County, CO | Oil & Gas Property | May 2026 |
| 116 | COALBANK CREEK | Weld County, CO | Oil & Gas Property | Jul 2019 |
| 117 | COALSON A4-6 | Weld County, CO | Oil & Gas Property | May 2026 |
| 118 | COALVIEW G02-6 | Weld County, CO | Oil & Gas Property | May 2026 |
| 119 | COAN | Weld County, CO | Oil & Gas Property | Jan 2026 |
| 120 | COBRA | Weld County, CO | Oil & Gas Property | May 2026 |
| 121 | COCHRAN | Weld County, CO | Oil & Gas Property | May 2026 |
| 122 | COCKROFT | Weld County, CO | Oil & Gas Property | May 2026 |
| 123 | COCKROFT | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 124 | CODY D | Weld County, CO | Oil & Gas Property | Mar 2022 |
| 125 | COFFELT 5-61-35 | Weld County, CO | Oil & Gas Property | May 2026 |
| 126 | COLAND | Weld County, CO | Oil & Gas Property | Oct 2021 |
| 127 | COLEMAN | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 128 | COLFER | Weld County, CO | Oil & Gas Property | May 2026 |
| 129 | COLLINS 18 | Weld County, CO | Oil & Gas Property | May 2026 |
| 130 | COLORADO ENERGY FEDERAL 14 | Weld County, CO | Oil Property | Jan 2018 |
| 131 | COLORADO STATE | Weld County, CO | Oil & Gas Property | Oct 2018 |
| 132 | COLT A13-6 | Weld County, CO | Oil & Gas Property | May 2026 |
| 133 | COMING 17 | Weld County, CO | Oil & Gas Property | May 2018 |
| 134 | COMMERCE CENTER | Weld County, CO | Oil & Gas Property | Jun 2019 |
| 135 | COMMONS | Weld County, CO | Oil & Gas Property | Apr 2017 |
| 136 | COMO | Weld County, CO | Oil & Gas Property | May 2026 |
| 137 | CONAGRA B | Weld County, CO | Oil & Gas Property | Aug 2017 |
| 138 | CONNELL | Weld County, CO | Oil & Gas Property | Jul 2019 |
| 139 | CONNER | Weld County, CO | Oil & Gas Property | Oct 2025 |
| 140 | CONNIE 26 | Weld County, CO | Oil & Gas Property | May 2026 |
| 141 | CONRAD FEDERAL | Weld County, CO | Oil & Gas Property | Oct 2016 |
| 142 | CONSTITUTION FEDERAL LC21-6 | Weld County, CO | Oil & Gas Property | May 2026 |
| 143 | COOK | Weld County, CO | Oil & Gas Property | Jan 2018 |
| 144 | COOK | Weld County, CO | Oil & Gas Property | May 2026 |
| 145 | COOLEY | Weld County, CO | Oil & Gas Property | Jun 2019 |
| 146 | COOPER 23-1 | Weld County, CO | Oil & Gas Property | Apr 2018 |
| 147 | COORS | Weld County, CO | Oil & Gas Property | Nov 2020 |
| 148 | COORS ENERGY | Weld County, CO | Oil & Gas Property | Apr 2021 |
| 149 | COPPERHEAD 2 | Weld County, CO | Oil & Gas Property | May 2026 |
| 150 | CORBIN | Weld County, CO | Oil & Gas Property | Dec 2018 |
| 151 | CORNISH | Weld County, CO | Oil & Gas Property | Aug 2025 |
| 152 | COSSLETT | Weld County, CO | Oil & Gas Property | May 2026 |
| 153 | COSSLETT | Weld County, CO | Oil & Gas Property | May 2026 |
| 154 | COSSLETT EAST FEDERAL 1A-22H-H168 | Weld County, CO | Oil & Gas Property | May 2026 |
| 155 | COSSLETT HEIRS UU | Weld County, CO | Oil & Gas Property | Apr 2019 |
| 156 | COSTIGAN | Weld County, CO | Oil & Gas Property | Feb 2023 |
| 157 | COT EAST | Weld County, CO | Oil & Gas Property | May 2026 |
| 158 | COT WEST | Weld County, CO | Oil & Gas Property | May 2026 |
| 159 | COTTONWOOD | Weld County, CO | Oil & Gas Property | Jan 2021 |
| 160 | COTTONWOOD | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 161 | COUFAL | Weld County, CO | Oil & Gas Property | Apr 2017 |
| 162 | COUGAR B 02-6 | Weld County, CO | Oil & Gas Property | May 2026 |
| 163 | COULSON 2 | Weld County, CO | Oil & Gas Property | Oct 2019 |
| 164 | COUNTER | Weld County, CO | Oil & Gas Property | Oct 2023 |
| 165 | COUNTY LINE 3 | Weld County, CO | Oil & Gas Property | May 2026 |
| 166 | COUNTYLINE 0508-1 | Weld County, CO | Oil & Gas Property | May 2026 |
| 167 | COURTNEY | Weld County, CO | Oil & Gas Property | Jul 2014 |
| 168 | COWBOY 21 | Weld County, CO | Oil & Gas Property | May 2026 |
| 169 | COX 1161 | Weld County, CO | Oil & Gas Property | Aug 2020 |
| 170 | COX 5 | Weld County, CO | Oil & Gas Property | May 2026 |
| 171 | COYLE | Weld County, CO | Oil & Gas Property | Feb 2024 |
| 172 | COYOTE TRAILS 3 | Weld County, CO | Oil & Gas Property | May 2026 |
| 173 | COZZENS | Weld County, CO | Oil & Gas Property | May 2026 |
| 174 | CPC-BOHLENDER | Weld County, CO | Oil & Gas Property | Sep 2020 |
| 175 | CRAIG | Weld County, CO | Oil & Gas Property | May 2026 |
| 176 | CRAVEN | Weld County, CO | Oil & Gas Property | May 2026 |
| 177 | CRAWFORD | Weld County, CO | Oil & Gas Property | May 2026 |
| 178 | CREAM | Weld County, CO | Oil & Gas Property | May 2026 |
| 179 | CREAM STATE 2 | Weld County, CO | Oil & Gas Property | May 2026 |
| 180 | CRICKET C22-3 | Weld County, CO | Oil & Gas Property | Sep 2016 |
| 181 | CRITTER CREEK | Weld County, CO | Oil & Gas Property | May 2026 |
| 182 | CRITTER CREEK | Weld County, CO | Oil & Gas Property | Apr 2026 |
| 183 | CROISSANT | Weld County, CO | Oil & Gas Property | Feb 2023 |
| 184 | CROISSANT | Weld County, CO | Oil & Gas Property | Feb 2014 |
| 185 | CROISSANT | Weld County, CO | Oil & Gas Property | Oct 2018 |
| 186 | CROW CREEK | Weld County, CO | Oil & Gas Property | May 2026 |
| 187 | CROW VALLEY | Weld County, CO | Oil & Gas Property | May 2026 |
| 188 | CROWDER | Weld County, CO | Oil & Gas Property | May 2026 |
| 189 | CRUICKSHANK | Weld County, CO | Oil & Gas Property | May 2026 |
| 190 | CS-KINKADE | Weld County, CO | Oil & Gas Property | May 2026 |
| 191 | CS-LONGMEADOW | Weld County, CO | Oil & Gas Property | May 2026 |
| 192 | CS-SCOTT | Weld County, CO | Oil & Gas Property | May 2026 |
| 193 | CS-SHERWOOD | Weld County, CO | Oil & Gas Property | May 2026 |
| 194 | CULBREATH | Weld County, CO | Oil & Gas Property | Mar 2017 |
| 195 | CUMMINGS 19 | Weld County, CO | Oil & Gas Property | May 2026 |
| 196 | CURTIS | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 197 | CUTTHROAT LC28-7 | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 198 | CUYKENDALL | Weld County, CO | Oil & Gas Property | May 2026 |
| 199 | CUYKENDALL | Weld County, CO | Oil & Gas Property | Feb 2020 |
| 200 | CVR 5-63-32 | Weld County, CO | Oil & Gas Property | May 2026 |