| 3301 | REILE | Campbell County, WY | Gas Property | May 2012 |
| 3302 | REISSIG | Laramie County, WY | Oil Property | Dec 2017 |
| 3303 | REMI FED | Converse County, WY | Oil & Gas Property | Oct 2024 |
| 3304 | REMI STATE | Converse County, WY | Oil & Gas Property | Oct 2024 |
| 3305 | REMINGTON 5 | Sheridan County, WY | Gas Property | Jun 2015 |
| 3306 | REMINGTON 5 | Sheridan County, WY | Gas Property | Dec 2023 |
| 3307 | REMINGTON 5 | Sheridan County, WY | Gas Property | Jun 2015 |
| 3308 | REMINGTON 57-76-1 | Campbell County, WY | Gas Property | Jun 2015 |
| 3309 | REMINGTON 58-79 | Sheridan County, WY | Gas Property | Dec 2023 |
| 3310 | RENO | Campbell County, WY | Oil & Gas Property | Oct 2024 |
| 3311 | RENO | Campbell County, WY | Gas Property | Nov 2015 |
| 3312 | RENO | Campbell County, WY | Gas Property | Sep 2010 |
| 3313 | RENO | Campbell County, WY | Oil & Gas Property | Sep 2024 |
| 3314 | RENO & SONS | Campbell County, WY | Gas Property | Jun 2017 |
| 3315 | RENO CS STATE | Campbell County, WY | Gas Property | Apr 2008 |
| 3316 | RENO EAST UNIT | Johnson County, WY | Oil Property | Aug 2024 |
| 3317 | RENO FLATS FED | Campbell County, WY | Gas Property | Jun 2015 |
| 3318 | RENO UNIT | Johnson County, WY | Oil & Gas Property | Aug 2024 |
| 3319 | RESERVE | Sheridan County, WY | Gas Property | Mar 2012 |
| 3320 | RESERVE | Sheridan County, WY | Gas Property | Mar 2012 |
| 3321 | RESERVOIR | Lincoln County, WY | Oil & Gas Property | Oct 2024 |
| 3322 | RESERVOIR CREEK | Fremont County, WY | Oil & Gas Property | Oct 2023 |
| 3323 | REVLAND | Campbell County, WY | Gas Property | May 2006 |
| 3324 | REVLAND FED TRUST | Campbell County, WY | Gas Property | Aug 2009 |
| 3325 | REX FED 3571-21 | Converse County, WY | Oil & Gas Property | Oct 2024 |
| 3326 | REX STATE 3571-21-16 | Converse County, WY | Oil & Gas Property | Oct 2024 |
| 3327 | REYNARD UNIT | Lincoln County, WY | Oil & Gas Property | Oct 2024 |
| 3328 | REYNOLDS | Crook County, WY | Oil & Gas Property | Jul 2024 |
| 3329 | REYNOLDS | Converse County, WY | Oil & Gas Property | Nov 2024 |
| 3330 | REYNOLDS | Converse County, WY | Oil & Gas Property | Nov 2024 |
| 3331 | REYNOLDS | Campbell County, WY | Gas Property | Nov 2012 |
| 3332 | REYNOLDS CS | Campbell County, WY | Gas Property | Feb 2018 |
| 3333 | RFD FEE | Weston County, WY | Oil Property | Jul 1991 |
| 3334 | RFD GOVT | Weston County, WY | Oil & Gas Property | Nov 2019 |
| 3335 | RHEETI | Laramie County, WY | Oil & Gas Property | Sep 2024 |
| 3336 | RHINE 3625 | Campbell County, WY | Oil & Gas Property | Oct 2024 |
| 3337 | RICE & SONS | Sheridan County, WY | Gas Property | May 2012 |
| 3338 | RICH | Sweetwater County, WY | Oil & Gas Property | Oct 2024 |
| 3339 | RICH | Campbell County, WY | Oil Property | Feb 2022 |
| 3340 | RICHARDSON | Sweetwater County, WY | Oil & Gas Property | Oct 2024 |
| 3341 | RIDE FED 3670-28 | Converse County, WY | Oil & Gas Property | Oct 2024 |
| 3342 | RIDENOUR | Campbell County, WY | Oil & Gas Property | Oct 2024 |
| 3343 | RIDGE POINT | Lincoln County, WY | Oil & Gas Property | Oct 2024 |
| 3344 | RIDGELY | Hot Springs County, WY | Oil & Gas Property | Oct 2024 |
| 3345 | RIDGERUNNER CS FED | Campbell County, WY | Gas Property | Apr 2010 |
| 3346 | RIDGLEY | Hot Springs County, WY | Oil & Gas Property | May 2023 |
| 3347 | RIEHLE | Converse County, WY | Oil & Gas Property | Oct 2024 |
| 3348 | RIEHLE | Converse County, WY | Oil & Gas Property | Oct 2004 |
| 3349 | RILEY RIDGE | Sublette County, WY | Oil & Gas Property | Jul 2014 |
| 3350 | RIMROCK | Laramie County, WY | Oil & Gas Property | Oct 2024 |
| 3351 | RINGER 4470-0409-1TH | Campbell County, WY | Oil & Gas Property | Oct 2024 |
| 3352 | RIPS 4471-0 | Campbell County, WY | Oil & Gas Property | Oct 2024 |
| 3353 | RITCHIE 56-77 | Sheridan County, WY | Gas Property | Jun 2015 |
| 3354 | RITCHIE FED 3671-12 | Converse County, WY | Oil & Gas Property | Oct 2024 |
| 3355 | RITTHALER | Weston County, WY | Oil Property | May 2009 |
| 3356 | RIVERBEND | Campbell County, WY | Gas Property | Nov 2014 |
| 3357 | RIVERSIDE | Sublette County, WY | Oil & Gas Property | Oct 2024 |
| 3358 | RIVERTON | Fremont County, WY | Oil & Gas Property | Jul 2024 |
| 3359 | RM OREGON FEDERAL 24-12 43-77BH | Johnson County, WY | Oil & Gas Property | Nov 2024 |
| 3360 | RM WASHINGTON FEE 14-1 43-77H | Johnson County, WY | Oil & Gas Property | Nov 2024 |
| 3361 | RMMC | Campbell County, WY | Gas Property | Jul 2003 |
| 3362 | RMSU | Campbell County, WY | Oil & Gas Property | Oct 2024 |
| 3363 | ROAD HOLLOW | Lincoln County, WY | Oil & Gas Property | Sep 2024 |
| 3364 | ROBBERS | Carbon County, WY | Oil & Gas Property | Oct 2024 |
| 3365 | ROBBINS | Johnson County, WY | Gas Property | May 2012 |
| 3366 | ROBBINS | Converse County, WY | Oil & Gas Property | Oct 2024 |
| 3367 | ROBBINS | Campbell County, WY | Gas Property | Mar 2007 |
| 3368 | ROBBINS | Campbell County, WY | Gas Property | Jan 2011 |
| 3369 | ROBBINS UNIT | Converse County, WY | Oil & Gas Property | Oct 2024 |
| 3370 | ROBBINS UNIT 39-72 4-1FH | Converse County, WY | Oil & Gas Property | Oct 2024 |
| 3371 | ROBERTS | Weston County, WY | Oil Property | Jul 2019 |
| 3372 | ROBERTS STEWART | Weston County, WY | Oil Property | Nov 2024 |
| 3373 | ROBINSON | Converse County, WY | Oil & Gas Property | Nov 2024 |
| 3374 | ROBINSON | Crook County, WY | Oil Property | Oct 2024 |
| 3375 | ROBINSON | Crook County, WY | Oil & Gas Property | Oct 2024 |
| 3376 | ROBINSON | Weston County, WY | Oil & Gas Property | Jul 2021 |
| 3377 | ROBINSON | Weston County, WY | Oil & Gas Property | Sep 2024 |
| 3378 | ROBINSON | Big Horn County, WY | Oil Property | Sep 2019 |
| 3379 | ROBINSON R | Crook County, WY | Oil Property | Oct 2024 |
| 3380 | ROCHELLE 1 | Converse County, WY | Oil & Gas Property | Nov 2024 |
| 3381 | ROCK | Weston County, WY | Oil & Gas Property | Oct 2024 |
| 3382 | ROCK CREEK | Campbell County, WY | Oil & Gas Property | Oct 2024 |
| 3383 | ROCKY BUTTE | Campbell County, WY | Oil & Gas Property | Oct 2024 |
| 3384 | ROCKY BUTTE | Campbell County, WY | Oil & Gas Property | Oct 2024 |
| 3385 | ROCKY POINT | Campbell County, WY | Oil & Gas Property | Nov 2024 |
| 3386 | RODEO | Niobrara County, WY | Oil & Gas Property | Aug 2022 |
| 3387 | ROEHRS | Campbell County, WY | Oil Property | May 1981 |
| 3388 | ROGER LEO FED | Converse County, WY | Oil & Gas Property | Oct 2024 |
| 3389 | ROGERS | Campbell County, WY | Oil & Gas Property | Jul 2024 |
| 3390 | ROGERS | Campbell County, WY | Gas Property | Jun 2015 |
| 3391 | ROHDE | Campbell County, WY | Oil & Gas Property | Sep 2024 |
| 3392 | ROHWEDER | Laramie County, WY | Oil & Gas Property | Sep 2024 |
| 3393 | ROLFF LAKE | Fremont County, WY | Oil Property | Nov 2024 |
| 3394 | ROLLING PIN | Campbell County, WY | Oil & Gas Property | Oct 2024 |
| 3395 | ROLLINS 0112-0 | Campbell County, WY | Oil & Gas Property | Oct 2024 |
| 3396 | ROMMEL CS STATE | Campbell County, WY | Gas Property | Nov 2019 |
| 3397 | ROPER FED | Converse County, WY | Oil & Gas Property | Oct 2024 |
| 3398 | ROSE | Hot Springs County, WY | Oil Property | Nov 2024 |
| 3399 | ROSEBORO | Campbell County, WY | Gas Property | Sep 2010 |
| 3400 | ROSEMARY | Laramie County, WY | Oil & Gas Property | May 2023 |