| Property Name | Property Location | Property Type | Most Recent Production | |
|---|---|---|---|---|
| 4301 | SIMINOE | Mesa County, CO | Oil & Gas Property | Jul 2017 |
| 4302 | SIMMONS | Yuma County, CO | Gas Property | Apr 2025 |
| 4303 | SIMMONS | La Plata County, CO | Gas Property | Mar 2025 |
| 4304 | SIMMONS | Weld County, CO | Oil & Gas Property | Feb 2023 |
| 4305 | SIMMONS | Yuma County, CO | Gas Property | Mar 2025 |
| 4306 | SIMMS | La Plata County, CO | Gas Property | Mar 2025 |
| 4307 | SIMON LAND & CATTLE | La Plata County, CO | Gas Property | Mar 2025 |
| 4308 | SIMONSEN | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 4309 | SIMONSEN-SCHAEFER 7 | Weld County, CO | Oil & Gas Property | Jan 2025 |
| 4310 | SIMPSON | Adams County, CO | Oil & Gas Property | Jan 2025 |
| 4311 | SIMPSON | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 4312 | SIMPSON | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 4313 | SIMPSON 2 | Moffat County, CO | Gas Property | Dec 2024 |
| 4314 | SIMPSON MD 2 | Boulder County, CO | Oil & Gas Property | Mar 2023 |
| 4315 | SINDT 1 | Logan County, CO | Oil Property | Mar 2025 |
| 4316 | SINGER E 34 | Weld County, CO | Oil & Gas Property | Aug 2016 |
| 4317 | SINGLE EAGLE | San Miguel County, CO | Oil & Gas Property | Dec 2024 |
| 4318 | SINJIN | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 4319 | SIRIOS | Weld County, CO | Oil & Gas Property | May 2013 |
| 4320 | SIRIOS BROTHERS | Weld County, CO | Oil & Gas Property | Sep 2015 |
| 4321 | SITTON | La Plata County, CO | Gas Property | Mar 2025 |
| 4322 | SITTON FEDERAL | La Plata County, CO | Gas Property | Mar 2025 |
| 4323 | SITZMAN | Weld County, CO | Oil & Gas Property | May 2017 |
| 4324 | SITZMAN | Weld County, CO | Oil & Gas Property | Apr 2013 |
| 4325 | SITZMAN | Weld County, CO | Oil & Gas Property | Dec 2017 |
| 4326 | SITZMAN | Weld County, CO | Oil & Gas Property | Oct 2016 |
| 4327 | SKAER | Larimer County, CO | Oil & Gas Property | Jun 2017 |
| 4328 | SKARPHOL | Cheyenne County, CO | Oil & Gas Property | Mar 2025 |
| 4329 | SKI 3 | Rio Blanco County, CO | Oil Property | Apr 2009 |
| 4330 | SKIM | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 4331 | SKIM STATE | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 4332 | SKINNER RIDGE | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 4333 | SKR 59 | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 4334 | SKR 698 | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 4335 | SKURICH | Weld County, CO | Oil & Gas Property | Mar 2019 |
| 4336 | SKY RANCH 4-65 | Arapahoe County, CO | Oil & Gas Property | Mar 2025 |
| 4337 | SKYWAY | Weld County, CO | Oil & Gas Property | Aug 2019 |
| 4338 | SLANOVICH | Fremont County, CO | Oil Property | Oct 2022 |
| 4339 | SLATER | Weld County, CO | Oil & Gas Property | Jul 2018 |
| 4340 | SLEDGE C 9 | Weld County, CO | Oil & Gas Property | Sep 2016 |
| 4341 | SLEEPING UTE | Montezuma County, CO | Oil & Gas Property | Mar 2025 |
| 4342 | SLICK ROCK | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 4343 | SLIGO 8-67-26-23C | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 4344 | SLUGGER | La Plata County, CO | Gas Property | Apr 2025 |
| 4345 | SLW GREEN STATE BB 18 | Weld County, CO | Oil & Gas Property | Jan 2021 |
| 4346 | SLW RANCH | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 4347 | SLW STATE | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 4348 | SMALL | Washington County, CO | Gas Property | Mar 2025 |
| 4349 | SMART | Logan County, CO | Oil & Gas Property | Feb 2009 |
| 4350 | SMITH | La Plata County, CO | Gas Property | Mar 2025 |
| 4351 | SMITH | Weld County, CO | Oil & Gas Property | Oct 2016 |
| 4352 | SMITH | Yuma County, CO | Oil & Gas Property | Mar 2025 |
| 4353 | SMITH 2 | Yuma County, CO | Gas Property | Mar 2025 |
| 4354 | SMITH A 1 | La Plata County, CO | Gas Property | Mar 2025 |
| 4355 | SMITH FEDERAL | La Plata County, CO | Gas Property | Mar 2025 |
| 4356 | SMITH STATE LD12-7 | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 4357 | SMITH-WOLTER | La Plata County, CO | Gas Property | Mar 2025 |
| 4358 | SMITS | Weld County, CO | Oil & Gas Property | Apr 2020 |
| 4359 | SNIFF | Bent County, CO | Oil & Gas Property | Feb 2025 |
| 4360 | SNOOK | La Plata County, CO | Gas Property | Mar 2025 |
| 4361 | SNOOKS A | La Plata County, CO | Gas Property | Mar 2025 |
| 4362 | SNOW KING | Lincoln County, CO | Oil & Gas Property | Mar 2025 |
| 4363 | SNOWBIRD | Lincoln County, CO | Oil & Gas Property | Mar 2025 |
| 4364 | SNOWMASS | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 4365 | SNYDER | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 4366 | SNYDER | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 4367 | SO UTE | La Plata County, CO | Gas Property | Mar 2025 |
| 4368 | SO UTE | La Plata County, CO | Gas Property | Mar 2025 |
| 4369 | SO UTE | La Plata County, CO | Gas Property | Mar 2025 |
| 4370 | SO UTE | La Plata County, CO | Gas Property | Mar 2025 |
| 4371 | SO UTE 3 | La Plata County, CO | Gas Property | Mar 2025 |
| 4372 | SO UTE FC 34 | La Plata County, CO | Gas Property | Mar 2025 |
| 4373 | SO.UTE | La Plata County, CO | Gas Property | Mar 2025 |
| 4374 | SO.UTE FC 33-11 1 | La Plata County, CO | Gas Property | Dec 2024 |
| 4375 | SOC STATE 145 | Yuma County, CO | Oil & Gas Property | Mar 2025 |
| 4376 | SOCO 20 | Weld County, CO | Oil & Gas Property | Feb 2025 |
| 4377 | SOCO 29 | Weld County, CO | Oil & Gas Property | Jan 2020 |
| 4378 | SOEHNER | Yuma County, CO | Gas Property | Mar 2025 |
| 4379 | SOEHNER | Yuma County, CO | Gas Property | Mar 2025 |
| 4380 | SOLDIER CANYON | Garfield County, CO | Gas Property | Mar 2025 |
| 4381 | SOLMAN/CALPHA | Yuma County, CO | Gas Property | Mar 2025 |
| 4382 | SOLVAY CHEMICALS | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 4383 | SOLVAY GM | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 4384 | SOME-STATE 1 | Logan County, CO | Oil Property | Mar 2025 |
| 4385 | SONIC STAR | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 4386 | SOONER | Weld County, CO | Oil & Gas Property | Jul 2019 |
| 4387 | SOOUTHERN UTE 302 | La Plata County, CO | Gas Property | Mar 2025 |
| 4388 | SORENSSON | Weld County, CO | Oil & Gas Property | Mar 2023 |
| 4389 | SORIN NATURAL RESOURCES 2 | Weld County, CO | Oil & Gas Property | Mar 2025 |
| 4390 | SOSA | Weld County, CO | Oil & Gas Property | May 2018 |
| 4391 | SOURS | Garfield County, CO | Oil & Gas Property | Mar 2025 |
| 4392 | SOUTE | La Plata County, CO | Gas Property | Mar 2025 |
| 4393 | SOUTE | La Plata County, CO | Gas Property | Mar 2025 |
| 4394 | SOUTE | La Plata County, CO | Gas Property | Mar 2025 |
| 4395 | SOUTE | La Plata County, CO | Oil & Gas Property | Mar 2025 |
| 4396 | SOUTE 32 | La Plata County, CO | Gas Property | Sep 2016 |
| 4397 | SOUTE 32-1 | La Plata County, CO | Gas Property | May 2019 |
| 4398 | SOUTE FC 3 | La Plata County, CO | Gas Property | Mar 2025 |
| 4399 | SOUTE FC 34 | La Plata County, CO | Gas Property | Mar 2025 |
| 4400 | SOUTH 6-2 | Weld County, CO | Oil & Gas Property | Jun 2017 |