| 4201 | SENECA E 15-72-1H | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 4202 | SENTINEL PEAK | San Juan County, UT | Oil & Gas Property | Nov 2009 |
| 4203 | SEVENTY HOLES | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 4204 | SEWARD | Yuma County, CO | Gas Property | Jul 2025 |
| 4205 | SEYFRIED | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 4206 | SEYLER | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 4207 | SG 11 | Garfield County, CO | Oil & Gas Property | Jul 2025 |
| 4208 | SG 12 | Garfield County, CO | Oil & Gas Property | Jul 2025 |
| 4209 | SG 13 | Garfield County, CO | Oil & Gas Property | Jul 2025 |
| 4210 | SG 14 | Garfield County, CO | Oil & Gas Property | Jul 2025 |
| 4211 | SG 15 | Garfield County, CO | Oil & Gas Property | Jul 2025 |
| 4212 | SG 22 | Garfield County, CO | Oil & Gas Property | Jul 2025 |
| 4213 | SG 23 | Garfield County, CO | Oil & Gas Property | Jul 2025 |
| 4214 | SG 24 | Garfield County, CO | Oil & Gas Property | Jul 2025 |
| 4215 | SG 25 | Garfield County, CO | Oil & Gas Property | Jul 2025 |
| 4216 | SG 85 | Garfield County, CO | Oil & Gas Property | Jul 2025 |
| 4217 | SG 85 | Garfield County, CO | Oil & Gas Property | Jul 2025 |
| 4218 | SG HAGEMANN | Yuma County, CO | Gas Property | Jul 2025 |
| 4219 | SGU 85 | Garfield County, CO | Oil & Gas Property | Jul 2025 |
| 4220 | SGU CP | Garfield County, CO | Oil & Gas Property | Jul 2025 |
| 4221 | SGV FEDERAL | Garfield County, CO | Oil & Gas Property | Jul 2024 |
| 4222 | SHABLE | Weld County, CO | Oil & Gas Property | May 2024 |
| 4223 | SHABLE | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 4224 | SHABLE | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 4225 | SHABLE | Weld County, CO | Oil & Gas Property | Jul 2017 |
| 4226 | SHABLE | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 4227 | SHABLE USX | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 4228 | SHADOW | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 4229 | SHAEFFER | Garfield County, CO | Oil & Gas Property | Jul 2025 |
| 4230 | SHAFER | Weld County, CO | Oil & Gas Property | Sep 2019 |
| 4231 | SHAFFER-NEWMAN | Boulder County, CO | Oil & Gas Property | Jul 2025 |
| 4232 | SHAFTO J27 | Weld County, CO | Oil & Gas Property | Aug 2018 |
| 4233 | SHAKE 11 | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 4234 | SHAKLEE | Weld County, CO | Oil & Gas Property | Jun 2019 |
| 4235 | SHALLOT 1930 | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 4236 | SHANNON 14 | Weld County, CO | Oil & Gas Property | Sep 2016 |
| 4237 | SHANNON-ROBERTS | Broomfield County, CO | Oil & Gas Property | Apr 2025 |
| 4238 | SHARKEY | Weld County, CO | Oil & Gas Property | Nov 2021 |
| 4239 | SHARON 21 | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 4240 | SHARP | Washington County, CO | Oil Property | May 2025 |
| 4241 | SHARP | La Plata County, CO | Gas Property | Jul 2025 |
| 4242 | SHARP 2 | Adams County, CO | Oil & Gas Property | Jul 2025 |
| 4243 | SHARP-BLAKE | Washington County, CO | Oil Property | Aug 2025 |
| 4244 | SHARPE STATE LD02-7 | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 4245 | SHARPLES-MCLAUGHLIN | Rio Blanco County, CO | Oil & Gas Property | Jul 2025 |
| 4246 | SHAW 1 | Weld County, CO | Oil & Gas Property | Jun 2024 |
| 4247 | SHAY | Yuma County, CO | Gas Property | Jul 2025 |
| 4248 | SHEA 23-1 | Yuma County, CO | Gas Property | Jul 2025 |
| 4249 | SHEAR | Mesa County, CO | Gas Property | Oct 2001 |
| 4250 | SHEEP | Weld County, CO | Oil & Gas Property | Feb 2020 |
| 4251 | SHEEP MOUNT | Huerfano County, CO | Gas Property | Aug 2025 |
| 4252 | SHELDUCK | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 4253 | SHELEY | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 4254 | SHELL | Garfield County, CO | Oil & Gas Property | Jul 2025 |
| 4255 | SHELL CREEK | Moffat County, CO | Oil & Gas Property | May 2025 |
| 4256 | SHELL TR | Garfield County, CO | Oil & Gas Property | Jul 2025 |
| 4257 | SHELTON | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 4258 | SHERLEY | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 4259 | SHERWOOD L | Weld County, CO | Oil & Gas Property | Sep 2022 |
| 4260 | SHIDELER | Garfield County, CO | Oil & Gas Property | Jul 2025 |
| 4261 | SHIDELER | Garfield County, CO | Oil & Gas Property | Jul 2025 |
| 4262 | SHIDELER FEDER | Garfield County, CO | Oil & Gas Property | Jul 2025 |
| 4263 | SHINNECOCK | Kiowa County, CO | Gas Property | Jun 2003 |
| 4264 | SHIVELY | Adams County, CO | Oil & Gas Property | Sep 2021 |
| 4265 | SHIVELY | Yuma County, CO | Gas Property | Jul 2025 |
| 4266 | SHIVERS | Weld County, CO | Oil & Gas Property | Dec 2017 |
| 4267 | SHOEMAKER | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 4268 | SHOEMAKER 01-34 | La Plata County, CO | Gas Property | Jul 2025 |
| 4269 | SHOENEMAN | Weld County, CO | Oil & Gas Property | Jul 2014 |
| 4270 | SHOOK 3-10 | Adams County, CO | Oil & Gas Property | Jul 2025 |
| 4271 | SHORE 16 | Garfield County, CO | Oil & Gas Property | Jul 2025 |
| 4272 | SHORT | Yuma County, CO | Oil & Gas Property | Jul 2025 |
| 4273 | SHORTY | Morgan County, CO | Oil & Gas Property | May 2023 |
| 4274 | SHOVELER FED | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 4275 | SHOVELER GOLDENEYE FED 21-16-1HN | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 4276 | SHOVELER HUNT FED 19-24-16HN | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 4277 | SHOWERS | Weld County, CO | Oil & Gas Property | Apr 2021 |
| 4278 | SHUFLY STATE Y34-7 | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 4279 | SHULL | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 4280 | SHULTZ | Weld County, CO | Oil & Gas Property | Apr 2023 |
| 4281 | SHULTZ | Weld County, CO | Oil & Gas Property | Nov 2018 |
| 4282 | SHUPE 13 | Weld County, CO | Oil & Gas Property | Jan 2023 |
| 4283 | SHUR VIEW | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 4284 | SHUTT | Weld County, CO | Oil & Gas Property | Aug 2014 |
| 4285 | SICKLER | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 4286 | SIDNEY STREAR | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 4287 | SIDWELL | Weld County, CO | Oil & Gas Property | Dec 2015 |
| 4288 | SIEBRING | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 4289 | SIERRA M | Arapahoe County, CO | Oil & Gas Property | Jun 2025 |
| 4290 | SIEVERS | Weld County, CO | Oil & Gas Property | Mar 2024 |
| 4291 | SIEVERS | Weld County, CO | Oil & Gas Property | Sep 2020 |
| 4292 | SIGG | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 4293 | SILT VALLEY | Garfield County, CO | Oil & Gas Property | Jul 2025 |
| 4294 | SILVA | Weld County, CO | Oil & Gas Property | Aug 2019 |
| 4295 | SILVER | Las Animas County, CO | Gas Property | Aug 2025 |
| 4296 | SILVERBACK | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 4297 | SILVERTON 5 | Weld County, CO | Oil & Gas Property | Jul 2025 |
| 4298 | SIMINOE | Mesa County, CO | Oil & Gas Property | Jul 2017 |
| 4299 | SIMMONS | Yuma County, CO | Gas Property | Jul 2025 |
| 4300 | SIMMONS | Yuma County, CO | Gas Property | Aug 2025 |