| 201 | BLACK TIGER | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 202 | BLACKCOMB | Lincoln County, CO | Oil & Gas Property | Mar 2025 |
| 203 | BLACKMAN | Mesa County, CO | Oil & Gas Property | Mar 2025 |
| 204 | BLACKSTRAPS 44-29 | Las Animas County, CO | Gas Property | Apr 2025 |
| 205 | BLAKE | Washington County, CO | Oil & Gas Property | Mar 2025 |
| 206 | BLAKE B29 | Weld County, CO | Oil & Gas Property | Mar 2017 |
| 207 | BLANCA | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 208 | BLANCHE C HOPKINS | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 209 | BLASER | Yuma County, CO | Gas Property | Mar 2025 |
| 210 | BLEDSOE | Yuma County, CO | Gas Property | Aug 2022 |
| 211 | BLEDSOE | Cheyenne County, CO | Oil & Gas Property | Apr 2025 |
| 212 | BLEDSOE | Yuma County, CO | Gas Property | Aug 2022 |
| 213 | BLEDSOE | Yuma County, CO | Gas Property | Feb 2022 |
| 214 | BLEHM | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 215 | BLEHM | Weld County, CO | Oil & Gas Property | May 2023 |
| 216 | BLEHM | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 217 | BLEHM ST 7X-HNC-10-07-67 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 218 | BLEHM WEST 6X-HC-07-07-67 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 219 | BLISS 1 | Weld County, CO | Oil & Gas Property | Apr 2017 |
| 220 | BLOCK | La Plata County, CO | Oil & Gas Property | Apr 2025 |
| 221 | BLOCK 17 | La Plata County, CO | Gas Property | Apr 2025 |
| 222 | BLOMENKAMP | Washington County, CO | Oil Property | Mar 2025 |
| 223 | BLOSKAS | Weld County, CO | Oil & Gas Property | Jun 2017 |
| 224 | BLUE 3-65 3 | Adams County, CO | Oil & Gas Property | Mar 2025 |
| 225 | BLUE CHIP 22 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 226 | BLUE FED 3-65 33-32-31-36 3 | Adams County, CO | Oil & Gas Property | Mar 2025 |
| 227 | BLUE GRAVEL | Moffat County, CO | Oil & Gas Property | Dec 2024 |
| 228 | BLUE TEAL | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 229 | BLUFF FEDERAL | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 230 | BLUFF STATE 30 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 231 | BLUFFS | Weld County, CO | Oil & Gas Property | Nov 2016 |
| 232 | BM LAND | Weld County, CO | Oil & Gas Property | Jan 2019 |
| 233 | BMC B | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 234 | BMC D | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 235 | BOB 1-22 | Lincoln County, CO | Oil & Gas Property | Apr 2025 |
| 236 | BOB AA 24-6 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 237 | BOB WHITE | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 238 | BOBCAT D-SAND UNIT | Washington County, CO | Oil & Gas Property | Mar 2025 |
| 239 | BOCKIUS 34 | Weld County, CO | Oil & Gas Property | May 2017 |
| 240 | BOEHNER | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 241 | BOHLENDER | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 242 | BOHLENDER | Weld County, CO | Oil & Gas Property | Apr 2018 |
| 243 | BOHNEN 10 | Yuma County, CO | Gas Property | Mar 2025 |
| 244 | BOHRER | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 245 | BOIES | Rio Blanco County, CO | Oil & Gas Property | Mar 2025 |
| 246 | BOIES | Rio Blanco County, CO | Oil & Gas Property | Mar 2025 |
| 247 | BOIES RANCH | Rio Blanco County, CO | Oil & Gas Property | Mar 2025 |
| 248 | BOIKO | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 249 | BOLET | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 250 | BOLET RED X 15 | Weld County, CO | Oil & Gas Property | Apr 2017 |
| 251 | BOLTON | Kiowa County, CO | Gas Property | Nov 2008 |
| 252 | BOMHOFF 5 | Arapahoe County, CO | Oil & Gas Property | Mar 2025 |
| 253 | BOND | Weld County, CO | Oil & Gas Property | Jun 2017 |
| 254 | BONDAD | La Plata County, CO | Gas Property | Mar 2025 |
| 255 | BONDAD 33-9 | La Plata County, CO | Oil & Gas Property | Mar 2025 |
| 256 | BONDS | La Plata County, CO | Gas Property | Mar 2025 |
| 257 | BONIFACIO GALLEGOS A | La Plata County, CO | Gas Property | Mar 2025 |
| 258 | BONINE 34-7-24 4 | La Plata County, CO | Gas Property | Mar 2025 |
| 259 | BOOMERANG | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 260 | BOOMHOG | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 261 | BOOMSLANG FED 8-60 14 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 262 | BOOTH | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 263 | BOOTH | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 264 | BOOTH | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 265 | BOOTH | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 266 | BOOTH FEDERAL DD06-7 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 267 | BOOTH STATE C | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 268 | BOOTH USX EE | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 269 | BOREN 34-9 29-3 | La Plata County, CO | Gas Property | Mar 2025 |
| 270 | BORN SITZMAN | Weld County, CO | Oil & Gas Property | May 2023 |
| 271 | BORUCH GM | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 272 | BORYS C22 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 273 | BOSELY | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 274 | BOSLEY | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 275 | BOSLEY | Morgan County, CO | Oil Property | Mar 2025 |
| 276 | BOST FARM | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 277 | BOULDER BANK | Weld County, CO | Oil & Gas Property | Jul 2018 |
| 278 | BOULTER | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 279 | BOULTER | Weld County, CO | Oil & Gas Property | Oct 2022 |
| 280 | BOULTER STATE G | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 281 | BOULTON 33 | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 282 | BOWER | Weld County, CO | Oil & Gas Property | Aug 2023 |
| 283 | BOWERS | La Plata County, CO | Gas Property | Mar 2025 |
| 284 | BOWIE#2RB 1 | Delta County, CO | Gas Property | Apr 2025 |
| 285 | BOWMAN | Yuma County, CO | Gas Property | Aug 2022 |
| 286 | BOWMAN 1 | Yuma County, CO | Gas Property | Mar 2025 |
| 287 | BOX ELDER | Adams County, CO | Oil & Gas Property | Mar 2025 |
| 288 | BOX ELDER H | Adams County, CO | Oil & Gas Property | May 2018 |
| 289 | BOXELDER | Adams County, CO | Oil & Gas Property | Feb 2025 |
| 290 | BOXER UNIT | Morgan County, CO | Oil Property | Jan 2025 |
| 291 | BOYD | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 292 | BOYD 24 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 293 | BOYD 3 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 294 | BOYDSTON | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 295 | BRADBURY | Arapahoe County, CO | Oil & Gas Property | May 2018 |
| 296 | BRADBURY | Adams County, CO | Oil & Gas Property | May 2018 |
| 297 | BRADFIELD CH | La Plata County, CO | Gas Property | Mar 2025 |
| 298 | BRADFORD | Yuma County, CO | Gas Property | Aug 2022 |
| 299 | BRAGG | Weld County, CO | Oil & Gas Property | May 2017 |
| 300 | BRANCH | Weld County, CO | Oil & Gas Property | Mar 2025 |