| Property Name | Property Location | Property Type | Most Recent Production | |
|---|---|---|---|---|
| 301 | SMART | Logan County, CO | Oil & Gas Property | Feb 2009 |
| 302 | SMITH | Yuma County, CO | Oil & Gas Property | May 2026 |
| 303 | SMITH | Weld County, CO | Oil & Gas Property | Oct 2016 |
| 304 | SMITH 2 | Yuma County, CO | Gas Property | May 2026 |
| 305 | SMITH FEDERAL | La Plata County, CO | Gas Property | May 2026 |
| 306 | SMITH STATE LD12-7 | Weld County, CO | Oil & Gas Property | May 2026 |
| 307 | SMITH-WOLTER | La Plata County, CO | Gas Property | May 2026 |
| 308 | SMITS | Weld County, CO | Oil & Gas Property | Apr 2020 |
| 309 | SNIFF | Bent County, CO | Oil & Gas Property | May 2026 |
| 310 | SNOOK | La Plata County, CO | Gas Property | May 2026 |
| 311 | SNOOKS A | La Plata County, CO | Gas Property | May 2026 |
| 312 | SNOW KING | Lincoln County, CO | Oil & Gas Property | Apr 2026 |
| 313 | SNOWMASS | Weld County, CO | Oil & Gas Property | May 2026 |
| 314 | SNYDER | Garfield County, CO | Oil & Gas Property | May 2026 |
| 315 | SNYDER | Garfield County, CO | Oil & Gas Property | May 2026 |
| 316 | SO UTE | La Plata County, CO | Gas Property | May 2026 |
| 317 | SO UTE | La Plata County, CO | Gas Property | May 2026 |
| 318 | SO UTE | La Plata County, CO | Gas Property | May 2026 |
| 319 | SO UTE | La Plata County, CO | Gas Property | May 2026 |
| 320 | SO UTE | La Plata County, CO | Gas Property | May 2026 |
| 321 | SO UTE 3 | La Plata County, CO | Gas Property | May 2026 |
| 322 | SO UTE FC 34 | La Plata County, CO | Gas Property | May 2026 |
| 323 | SO.UTE FC 33-11 1 | La Plata County, CO | Gas Property | Dec 2024 |
| 324 | SOC STATE 145 | Yuma County, CO | Oil & Gas Property | May 2026 |
| 325 | SOCO 20 | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 326 | SOCO 29 | Weld County, CO | Oil & Gas Property | Jan 2020 |
| 327 | SOEHNER | Yuma County, CO | Gas Property | May 2026 |
| 328 | SOEHNER | Yuma County, CO | Gas Property | May 2026 |
| 329 | SOLDIER CANYON | Garfield County, CO | Gas Property | Apr 2026 |
| 330 | SOLMAN-CALPHA | Yuma County, CO | Gas Property | May 2026 |
| 331 | SOLVAY CHEMICALS | Garfield County, CO | Oil & Gas Property | May 2026 |
| 332 | SOLVAY GM | Garfield County, CO | Oil & Gas Property | May 2026 |
| 333 | SOME-STATE 1 | Logan County, CO | Oil Property | May 2026 |
| 334 | SONIC STAR | Weld County, CO | Oil & Gas Property | May 2026 |
| 335 | SOONER | Weld County, CO | Oil & Gas Property | Jul 2019 |
| 336 | SORENSSON | Weld County, CO | Oil & Gas Property | Mar 2023 |
| 337 | SORIN NATURAL RESOURCES 2 | Weld County, CO | Oil & Gas Property | May 2026 |
| 338 | SOSA | Weld County, CO | Oil & Gas Property | Apr 2018 |
| 339 | SOURS | Garfield County, CO | Oil & Gas Property | May 2026 |
| 340 | SOUTE | La Plata County, CO | Gas Property | May 2026 |
| 341 | SOUTE | La Plata County, CO | Gas Property | May 2026 |
| 342 | SOUTE | La Plata County, CO | Oil & Gas Property | May 2026 |
| 343 | SOUTE 32 | La Plata County, CO | Gas Property | Sep 2016 |
| 344 | SOUTE 32-1 | La Plata County, CO | Gas Property | May 2019 |
| 345 | SOUTE FC 3 | La Plata County, CO | Gas Property | May 2026 |
| 346 | SOUTE FC 34 | La Plata County, CO | Gas Property | May 2026 |
| 347 | SOUTH 6-2 | Weld County, CO | Oil & Gas Property | Jun 2017 |
| 348 | SOUTH BAXTER PASS | Garfield County, CO | Gas Property | May 2009 |
| 349 | SOUTH CANYON-FEDERAL | Garfield County, CO | Oil & Gas Property | Mar 2026 |
| 350 | SOUTH DOUGLAS CREEK | Rio Blanco County, CO | Gas Property | Mar 2026 |
| 351 | SOUTH GATE 8-4 | Weld County, CO | Oil & Gas Property | Jun 2022 |
| 352 | SOUTH LEVERICH 1 | Garfield County, CO | Oil & Gas Property | May 2026 |
| 353 | SOUTH LOST CREEK | Weld County, CO | Oil & Gas Property | Mar 2026 |
| 354 | SOUTH SHALE RIDGE | Mesa County, CO | Gas Property | Apr 2026 |
| 355 | SOUTHARD | Weld County, CO | Oil & Gas Property | Dec 2020 |
| 356 | SOUTHERN | La Plata County, CO | Oil & Gas Property | Jun 2026 |
| 357 | SOUTHERN FC 33-6 6-1 | La Plata County, CO | Gas Property | May 2026 |
| 358 | SOUTHERN U | La Plata County, CO | Oil & Gas Property | May 2026 |
| 359 | SOUTHERN UT | La Plata County, CO | Oil & Gas Property | May 2026 |
| 360 | SOUTHERN UTE | La Plata County, CO | Oil & Gas Property | May 2026 |
| 361 | SOUTHERN UTE | La Plata County, CO | Gas Property | May 2026 |
| 362 | SOUTHERN UTE | La Plata County, CO | Gas Property | Jun 2026 |
| 363 | SOUTHERN UTE | La Plata County, CO | Gas Property | May 2026 |
| 364 | SOUTHWEST RANGELY | Rio Blanco County, CO | Gas Property | Jul 2025 |
| 365 | SPADAFORA 1190 20-21 | Gunnison County, CO | Gas Property | May 2026 |
| 366 | SPADE | Weld County, CO | Oil & Gas Property | May 2026 |
| 367 | SPANISH FORK | La Plata County, CO | Gas Property | May 2026 |
| 368 | SPARBOE | Weld County, CO | Oil & Gas Property | May 2026 |
| 369 | SPARGO | Dolores County, CO | Oil & Gas Property | Jul 2025 |
| 370 | SPARKS B | La Plata County, CO | Gas Property | May 2026 |
| 371 | SPAULDING PEAK 1294 2 | Delta County, CO | Oil & Gas Property | Sep 2008 |
| 372 | SPAULDING, MARGARET | Jackson County, CO | Oil Property | Oct 2013 |
| 373 | SPAUR | Weld County, CO | Oil & Gas Property | May 2026 |
| 374 | SPAUR 31 | Weld County, CO | Oil & Gas Property | Jun 2025 |
| 375 | SPAUR BROTHERS EH 31 | Weld County, CO | Oil & Gas Property | Aug 2025 |
| 376 | SPAYD | Weld County, CO | Oil & Gas Property | Jun 2020 |
| 377 | SPEAK FED | Weld County, CO | Oil & Gas Property | May 2026 |
| 378 | SPEAKER | Cheyenne County, CO | Oil & Gas Property | May 2026 |
| 379 | SPEAKER | Weld County, CO | Oil & Gas Property | Oct 2024 |
| 380 | SPECIALTY | Garfield County, CO | Oil & Gas Property | May 2026 |
| 381 | SPECIALTY RESTAUR | Garfield County, CO | Oil & Gas Property | May 2026 |
| 382 | SPEED GOAT FED 343 | Weld County, CO | Oil & Gas Property | May 2026 |
| 383 | SPENCER 21 | Weld County, CO | Oil & Gas Property | Nov 2019 |
| 384 | SPIKE | Weld County, CO | Oil & Gas Property | Nov 2016 |
| 385 | SPIKE ST | Weld County, CO | Oil & Gas Property | Nov 2020 |
| 386 | SPIKE ST | Weld County, CO | Oil & Gas Property | Aug 2022 |
| 387 | SPIKE ST | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 388 | SPIKE STATE CC 6 | Weld County, CO | Oil & Gas Property | Oct 2016 |
| 389 | SPINNEY 0 | Weld County, CO | Oil & Gas Property | May 2026 |
| 390 | SPOMER | Weld County, CO | Oil & Gas Property | Jul 2019 |
| 391 | SPOTTED | Weld County, CO | Oil & Gas Property | May 2026 |
| 392 | SPRAGUE | Weld County, CO | Oil & Gas Property | May 2026 |
| 393 | SPUR | Weld County, CO | Oil & Gas Property | May 2026 |
| 394 | SPURLING | Weld County, CO | Oil & Gas Property | May 2026 |
| 395 | SQUAW CANYON | Dolores County, CO | Oil & Gas Property | Nov 2012 |
| 396 | SQUIRES | La Plata County, CO | Gas Property | Apr 2026 |
| 397 | SRC 3 | Weld County, CO | Oil & Gas Property | Jul 2017 |
| 398 | SRC AIMS | Weld County, CO | Oil & Gas Property | May 2017 |
| 399 | SRC BESTWAY | Weld County, CO | Oil & Gas Property | May 2026 |
| 400 | SRC CANNON | Weld County, CO | Oil & Gas Property | Mar 2026 |