| 3401 | RICE & SONS | Sheridan County, WY | Gas Property | May 2012 |
| 3402 | RICH | Sweetwater County, WY | Oil & Gas Property | Aug 2025 |
| 3403 | RICH | Campbell County, WY | Oil Property | Feb 2022 |
| 3404 | RICHARDSON | Sweetwater County, WY | Oil & Gas Property | Aug 2025 |
| 3405 | RIDE FED 3670-28 | Converse County, WY | Oil & Gas Property | Sep 2025 |
| 3406 | RIDENOUR | Campbell County, WY | Oil & Gas Property | Aug 2025 |
| 3407 | RIDGE POINT | Lincoln County, WY | Oil & Gas Property | Aug 2025 |
| 3408 | RIDGELY | Hot Springs County, WY | Oil & Gas Property | Aug 2025 |
| 3409 | RIDGERUNNER CS FED | Campbell County, WY | Gas Property | Apr 2010 |
| 3410 | RIDGLEY | Hot Springs County, WY | Oil & Gas Property | May 2023 |
| 3411 | RIEHLE | Converse County, WY | Oil & Gas Property | Aug 2025 |
| 3412 | RIEHLE | Converse County, WY | Oil & Gas Property | Oct 2004 |
| 3413 | RILEY RIDGE | Sublette County, WY | Oil & Gas Property | Jul 2014 |
| 3414 | RIMROCK | Laramie County, WY | Oil & Gas Property | Aug 2025 |
| 3415 | RINGER 4470-0409-1TH | Campbell County, WY | Oil & Gas Property | Aug 2025 |
| 3416 | RIPS 4471-0 | Campbell County, WY | Oil & Gas Property | Sep 2025 |
| 3417 | RITCHIE 56-77 | Sheridan County, WY | Gas Property | Jun 2015 |
| 3418 | RITCHIE FED 3671-12 | Converse County, WY | Oil & Gas Property | Aug 2025 |
| 3419 | RITTHALER | Weston County, WY | Oil Property | May 2009 |
| 3420 | RIVERBEND | Campbell County, WY | Gas Property | Nov 2014 |
| 3421 | RIVERSIDE | Sublette County, WY | Oil & Gas Property | Aug 2025 |
| 3422 | RIVERTON | Fremont County, WY | Oil & Gas Property | Jul 2025 |
| 3423 | RIZZUTO STATE COM 1 | Sweetwater County, WY | Oil & Gas Property | Aug 2025 |
| 3424 | RM OREGON FEDERAL 24-12 43-77BH | Johnson County, WY | Oil & Gas Property | Aug 2025 |
| 3425 | RM WASHINGTON FEE 14-1 43-77H | Johnson County, WY | Oil & Gas Property | Aug 2025 |
| 3426 | RMMC | Campbell County, WY | Gas Property | Jul 2003 |
| 3427 | RMSU | Campbell County, WY | Oil & Gas Property | Aug 2025 |
| 3428 | ROAD HOLLOW | Lincoln County, WY | Oil & Gas Property | Aug 2025 |
| 3429 | ROAD RUNNER | Laramie County, WY | Oil & Gas Property | Aug 2025 |
| 3430 | ROBBERS | Carbon County, WY | Oil & Gas Property | Aug 2025 |
| 3431 | ROBBINS | Johnson County, WY | Gas Property | May 2012 |
| 3432 | ROBBINS | Converse County, WY | Oil & Gas Property | Sep 2025 |
| 3433 | ROBBINS | Campbell County, WY | Gas Property | Mar 2007 |
| 3434 | ROBBINS | Campbell County, WY | Gas Property | Jan 2011 |
| 3435 | ROBBINS UNIT | Converse County, WY | Oil & Gas Property | Sep 2025 |
| 3436 | ROBBINS UNIT 39-72 4-1FH | Converse County, WY | Oil & Gas Property | Sep 2025 |
| 3437 | ROBERTS | Weston County, WY | Oil Property | Jul 2019 |
| 3438 | ROBERTS STEWART | Weston County, WY | Oil Property | Sep 2025 |
| 3439 | ROBINSON | Crook County, WY | Oil Property | Sep 2025 |
| 3440 | ROBINSON | Converse County, WY | Oil & Gas Property | Aug 2025 |
| 3441 | ROBINSON | Crook County, WY | Oil & Gas Property | Oct 2024 |
| 3442 | ROBINSON | Weston County, WY | Oil & Gas Property | Sep 2025 |
| 3443 | ROBINSON | Weston County, WY | Oil & Gas Property | Sep 2024 |
| 3444 | ROBINSON | Big Horn County, WY | Oil Property | Sep 2019 |
| 3445 | ROBINSON R | Crook County, WY | Oil Property | Apr 2025 |
| 3446 | ROCHELLE 1 | Converse County, WY | Oil & Gas Property | Aug 2025 |
| 3447 | ROCK | Weston County, WY | Oil & Gas Property | Mar 2025 |
| 3448 | ROCK CREEK | Campbell County, WY | Oil & Gas Property | Aug 2025 |
| 3449 | ROCKY BUTTE | Campbell County, WY | Oil & Gas Property | Sep 2025 |
| 3450 | ROCKY BUTTE | Campbell County, WY | Oil & Gas Property | Sep 2025 |
| 3451 | ROCKY POINT | Campbell County, WY | Oil & Gas Property | Sep 2025 |
| 3452 | RODEO | Niobrara County, WY | Oil & Gas Property | Aug 2022 |
| 3453 | ROEHRS | Campbell County, WY | Oil Property | May 1981 |
| 3454 | ROGER LEO FED | Converse County, WY | Oil & Gas Property | Aug 2025 |
| 3455 | ROGERS | Campbell County, WY | Oil & Gas Property | Oct 2024 |
| 3456 | ROGERS | Campbell County, WY | Gas Property | Jun 2015 |
| 3457 | ROHDE | Campbell County, WY | Oil & Gas Property | Aug 2025 |
| 3458 | ROHWEDER | Laramie County, WY | Oil & Gas Property | Dec 2024 |
| 3459 | ROLFF LAKE | Fremont County, WY | Oil Property | Sep 2025 |
| 3460 | ROLLING PIN | Campbell County, WY | Oil & Gas Property | Sep 2025 |
| 3461 | ROLLINS 01 | Campbell County, WY | Oil & Gas Property | Aug 2025 |
| 3462 | ROMMEL CS STATE | Campbell County, WY | Gas Property | Nov 2019 |
| 3463 | ROPER FED | Converse County, WY | Oil & Gas Property | Aug 2025 |
| 3464 | ROSE | Hot Springs County, WY | Oil Property | Jun 2025 |
| 3465 | ROSEBORO | Campbell County, WY | Gas Property | Sep 2010 |
| 3466 | ROSEMARY | Laramie County, WY | Oil & Gas Property | May 2023 |
| 3467 | ROSIE 1-35H | Laramie County, WY | Oil & Gas Property | Aug 2025 |
| 3468 | ROSIE FED | Johnson County, WY | Oil & Gas Property | Aug 2025 |
| 3469 | ROSS FE | Campbell County, WY | Oil & Gas Property | Aug 2025 |
| 3470 | ROTH | Niobrara County, WY | Oil Property | Sep 2021 |
| 3471 | ROURKE | Campbell County, WY | Oil & Gas Property | Jan 2007 |
| 3472 | ROURKE | Campbell County, WY | Oil & Gas Property | Aug 2022 |
| 3473 | ROURKE FEDERAL | Campbell County, WY | Gas Property | Mar 2007 |
| 3474 | ROUSH | Campbell County, WY | Oil & Gas Property | Aug 2025 |
| 3475 | ROUSH STATE FED | Campbell County, WY | Oil & Gas Property | Aug 2025 |
| 3476 | ROUSSEAU | Park County, WY | Oil & Gas Property | Aug 2025 |
| 3477 | ROUTER CS FEDERAL | Johnson County, WY | Gas Property | May 2023 |
| 3478 | ROWLEY | Sheridan County, WY | Gas Property | Jun 2015 |
| 3479 | ROXY FED 4372-2 | Campbell County, WY | Oil & Gas Property | Aug 2025 |
| 3480 | ROY AMOCO | Campbell County, WY | Oil Property | Aug 2025 |
| 3481 | ROY WILLEY | Big Horn County, WY | Oil & Gas Property | Aug 2025 |
| 3482 | ROZET | Campbell County, WY | Oil & Gas Property | Aug 2025 |
| 3483 | ROZET WEST | Campbell County, WY | Oil Property | Aug 2025 |
| 3484 | RPG FEDERAL | Crook County, WY | Oil Property | Aug 2025 |
| 3485 | RRC 16-34-70 USAC TR 21H | Converse County, WY | Oil & Gas Property | Aug 2025 |
| 3486 | RRC 4-34-70 USA D TR 22H | Converse County, WY | Oil & Gas Property | Aug 2025 |
| 3487 | RRC 5-34-70 USA B TR 2 | Converse County, WY | Oil & Gas Property | Aug 2025 |
| 3488 | RRFED 14101 | Sweetwater County, WY | Gas Property | Jun 2007 |
| 3489 | RU DILTS FED | Converse County, WY | Oil & Gas Property | Sep 2025 |
| 3490 | RU DILTS FED | Converse County, WY | Oil & Gas Property | Sep 2025 |
| 3491 | RU FED | Johnson County, WY | Gas Property | Aug 2025 |
| 3492 | RU JFW FED | Converse County, WY | Oil & Gas Property | Sep 2025 |
| 3493 | RU PRCC FED 36-254072 | Converse County, WY | Oil & Gas Property | Sep 2025 |
| 3494 | RU STATE | Johnson County, WY | Gas Property | Aug 2025 |
| 3495 | RU STATE FED 16-093972 | Converse County, WY | Oil & Gas Property | Sep 2025 |
| 3496 | RU T-55 FED | Converse County, WY | Oil & Gas Property | Sep 2025 |
| 3497 | RUBEN | Sublette County, WY | Oil & Gas Property | Oct 2018 |
| 3498 | RUBY | Campbell County, WY | Oil & Gas Property | Jul 2025 |
| 3499 | RUBY | Campbell County, WY | Gas Property | Nov 2013 |
| 3500 | RUBY | Campbell County, WY | Gas Property | Aug 2013 |