| 301 | O N MOON 1-27-3-2 | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 302 | OATS UT 2-26 3-3-23-14-1 | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 303 | OCAMPO 4-9C4 | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 304 | OCHENTA 4-31B4 | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 305 | ODEKIRK 11-12-3-3W | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 306 | OLSEN | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 307 | OLYMPIAN | Duchesne County, UT | Oil & Gas Property | Dec 2025 |
| 308 | OSTLER 7-20C4 | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 309 | OURAY UT 4-13 4-3-13-36-7HX | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 310 | OWL & HAWK | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 311 | PADILLA 1-18-3-2 | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 312 | PAINT 4-4-19-23 | Duchesne County, UT | Oil Property | Jan 2026 |
| 313 | PAIUTE FED | Duchesne County, UT | Oil & Gas Property | Feb 2013 |
| 314 | PARK CITY | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 315 | PECK 3-13B5 | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 316 | PEKEPOVITS UT 1-14 4-3-1 | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 317 | PEKEV | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 318 | PENFIELD 2 | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 319 | PERANK | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 320 | PERUNA 31 | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 321 | PETERSON 3-20-3-2W | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 322 | PETES WASH | Duchesne County, UT | Oil & Gas Property | Sep 2008 |
| 323 | PHILLIP 13-7 4-4-13-24-1H | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 324 | PHILLIPS | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 325 | PLEASANT V | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 326 | POKER JACK 4-18-3-2WH | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 327 | POMCO | Duchesne County, UT | Oil & Gas Property | Sep 2014 |
| 328 | POTTER | Duchesne County, UT | Oil & Gas Property | Mar 2024 |
| 329 | POULSON 4-31C4 | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 330 | POWELL | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 331 | POWELL 2-1 | Duchesne County, UT | Oil & Gas Property | Dec 2025 |
| 332 | POWELL UT 1-12 4-3-6-5-1H | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 333 | POWVITCH 15-13-12-3-2WB | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 334 | PRESBYTERY | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 335 | PREWITT | Duchesne County, UT | Oil & Gas Property | May 2021 |
| 336 | PRONGHORN 4-4-26-27 | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 337 | QUARTER 4-4-6-5 | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 338 | RANCH | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 339 | REARY | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 340 | REAY | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 341 | RED CAP 2-8-3-3WH | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 342 | RED MOUNTAIN | Duchesne County, UT | Oil & Gas Property | Dec 2025 |
| 343 | REMUND | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 344 | REMUND RIDGE | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 345 | RETZKE | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 346 | RHINO | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 347 | RHOADES | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 348 | ROBERTS | Duchesne County, UT | Oil & Gas Property | Mar 2025 |
| 349 | ROBERTSON | Duchesne County, UT | Oil & Gas Property | Jul 2013 |
| 350 | ROBINSON | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 351 | ROCKET | Duchesne County, UT | Oil & Gas Property | Dec 2025 |
| 352 | RODACK 9-20C4 | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 353 | ROWLEY 3-16B4 | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 354 | RYE PATCH FED 2 | Duchesne County, UT | Oil & Gas Property | Feb 2026 |
| 355 | S BRUNDAGE UTE TRIBAL | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 356 | S COTTONWOOD RIDGE | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 357 | S MON BUTTE | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 358 | S PLEASANT VALLEY | Duchesne County, UT | Oil & Gas Property | Oct 2024 |
| 359 | S WELLS DRAW | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 360 | SAND WASH | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 361 | SANDRA UT 1 | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 362 | SHELL | Duchesne County, UT | Oil & Gas Property | Oct 1988 |
| 363 | SHIELDS 15-12 3-3-13-24 | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 364 | SHIRE 4-5-12-11-2H | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 365 | SHOELESS | Duchesne County, UT | Oil & Gas Property | Dec 2025 |
| 366 | SHRINERS 2-10C5 | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 367 | SILVER 5-20C4 | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 368 | SINK DRAW | Duchesne County, UT | Oil & Gas Property | Nov 2004 |
| 369 | SKITZY CANYON UTE | Duchesne County, UT | Oil & Gas Property | Jul 1982 |
| 370 | SKITZY CYN UTE | Duchesne County, UT | Oil & Gas Property | Jun 1983 |
| 371 | SKOUFOS TRIBAL | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 372 | SMALLEY 7-8-3-1W | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 373 | SMITH | Duchesne County, UT | Oil & Gas Property | Dec 2025 |
| 374 | SMITH 1 | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 375 | SMITH 3-27C4 | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 376 | SO MON BUTTE | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 377 | SONJA UT 16-3 4-4-10-9 | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 378 | SOUTH MOON | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 379 | SOUTH VALLEY | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 380 | SPEAR UT 4-26 3-2-26-35 | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 381 | SPRATT 3-26B5 | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 382 | SPRING HOLLOW | Duchesne County, UT | Oil & Gas Property | Oct 2001 |
| 383 | SPRINGBOK 4-4-36-31-7H | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 384 | SPROUSE | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 385 | ST 5-16T-9-17 | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 386 | ST TRIBAL | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 387 | STANLEY UT 5-18 3-4-13-14 | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 388 | STATE | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 389 | STATE | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 390 | STATE | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 391 | STATE TRIBAL | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 392 | STEWART | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 393 | STEWART | Duchesne County, UT | Oil & Gas Property | Aug 2025 |
| 394 | SULSER 10-30-3-2W | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 395 | SUNDANCE | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 396 | TABBY CANYON | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 397 | TANK | Duchesne County, UT | Oil & Gas Property | Dec 2025 |
| 398 | TAPAROO | Duchesne County, UT | Oil & Gas Property | Dec 2025 |
| 399 | TAR SANDS | Duchesne County, UT | Oil & Gas Property | Jan 2026 |
| 400 | TAYLOR 3-9C4 | Duchesne County, UT | Oil & Gas Property | Jan 2026 |