| 3401 | REILE | Campbell County, WY | Gas Property | May 2012 |
| 3402 | REISSIG | Laramie County, WY | Oil Property | Dec 2017 |
| 3403 | REMI FED | Converse County, WY | Oil & Gas Property | Oct 2025 |
| 3404 | REMI STATE | Converse County, WY | Oil & Gas Property | Oct 2025 |
| 3405 | REMINGTON 5 | Sheridan County, WY | Gas Property | Jun 2015 |
| 3406 | REMINGTON 5 | Sheridan County, WY | Gas Property | Dec 2023 |
| 3407 | REMINGTON 5 | Sheridan County, WY | Gas Property | Jun 2015 |
| 3408 | REMINGTON 57-76-1 | Campbell County, WY | Gas Property | Jun 2015 |
| 3409 | REMINGTON 58-79 | Sheridan County, WY | Gas Property | Dec 2023 |
| 3410 | RENO | Campbell County, WY | Oil & Gas Property | Oct 2025 |
| 3411 | RENO | Campbell County, WY | Gas Property | Nov 2015 |
| 3412 | RENO | Campbell County, WY | Gas Property | Sep 2010 |
| 3413 | RENO | Campbell County, WY | Oil & Gas Property | Oct 2025 |
| 3414 | RENO & SONS | Campbell County, WY | Gas Property | Jun 2017 |
| 3415 | RENO CS STATE | Campbell County, WY | Gas Property | Apr 2008 |
| 3416 | RENO EAST UNIT | Johnson County, WY | Oil Property | Aug 2025 |
| 3417 | RENO FLATS FED | Campbell County, WY | Gas Property | Jun 2015 |
| 3418 | RENO UNIT | Johnson County, WY | Oil & Gas Property | Aug 2025 |
| 3419 | RESERVE | Sheridan County, WY | Gas Property | Mar 2012 |
| 3420 | RESERVE | Sheridan County, WY | Gas Property | Mar 2012 |
| 3421 | RESERVOIR | Lincoln County, WY | Oil & Gas Property | Oct 2025 |
| 3422 | RESERVOIR CREEK | Fremont County, WY | Oil & Gas Property | Sep 2025 |
| 3423 | REVLAND | Campbell County, WY | Gas Property | May 2006 |
| 3424 | REVLAND FED TRUST | Campbell County, WY | Gas Property | Aug 2009 |
| 3425 | REX FED 3571-21 | Converse County, WY | Oil & Gas Property | Oct 2025 |
| 3426 | REX STATE 3571-21-16 | Converse County, WY | Oil & Gas Property | Oct 2025 |
| 3427 | REYES 0211 | Campbell County, WY | Oil & Gas Property | Oct 2025 |
| 3428 | REYNARD UNIT | Lincoln County, WY | Oil & Gas Property | Oct 2025 |
| 3429 | REYNOLDS | Crook County, WY | Oil & Gas Property | Dec 2024 |
| 3430 | REYNOLDS | Converse County, WY | Oil & Gas Property | Oct 2025 |
| 3431 | REYNOLDS | Converse County, WY | Oil & Gas Property | Oct 2025 |
| 3432 | REYNOLDS | Campbell County, WY | Gas Property | Nov 2012 |
| 3433 | REYNOLDS CS | Campbell County, WY | Gas Property | Feb 2018 |
| 3434 | RFD FEE | Weston County, WY | Oil Property | Jul 1991 |
| 3435 | RFD GOVT | Weston County, WY | Oil & Gas Property | Nov 2019 |
| 3436 | RHEETI | Laramie County, WY | Oil & Gas Property | Sep 2025 |
| 3437 | RHINE 3625 | Campbell County, WY | Oil & Gas Property | Oct 2025 |
| 3438 | RICE & SONS | Sheridan County, WY | Gas Property | May 2012 |
| 3439 | RICH | Sweetwater County, WY | Oil & Gas Property | Oct 2025 |
| 3440 | RICH | Campbell County, WY | Oil Property | Feb 2022 |
| 3441 | RICHARDSON | Sweetwater County, WY | Oil & Gas Property | Oct 2025 |
| 3442 | RIDE FED 3670-28 | Converse County, WY | Oil & Gas Property | Oct 2025 |
| 3443 | RIDENOUR | Campbell County, WY | Oil & Gas Property | Oct 2025 |
| 3444 | RIDGE POINT | Lincoln County, WY | Oil & Gas Property | Oct 2025 |
| 3445 | RIDGELY | Hot Springs County, WY | Oil & Gas Property | Oct 2025 |
| 3446 | RIDGERUNNER CS FED | Campbell County, WY | Gas Property | Apr 2010 |
| 3447 | RIDGLEY | Hot Springs County, WY | Oil & Gas Property | May 2023 |
| 3448 | RIEHLE | Converse County, WY | Oil & Gas Property | Oct 2025 |
| 3449 | RIEHLE | Converse County, WY | Oil & Gas Property | Oct 2004 |
| 3450 | RILEY RIDGE | Sublette County, WY | Oil & Gas Property | Jul 2014 |
| 3451 | RIMROCK | Laramie County, WY | Oil & Gas Property | Oct 2025 |
| 3452 | RINGER 4470-0409-1TH | Campbell County, WY | Oil & Gas Property | Oct 2025 |
| 3453 | RIPS 4471-0 | Campbell County, WY | Oil & Gas Property | Oct 2025 |
| 3454 | RITCHIE 56-77 | Sheridan County, WY | Gas Property | Jun 2015 |
| 3455 | RITCHIE FED 3671-12 | Converse County, WY | Oil & Gas Property | Oct 2025 |
| 3456 | RITTHALER | Weston County, WY | Oil Property | May 2009 |
| 3457 | RIVERBEND | Campbell County, WY | Gas Property | Nov 2014 |
| 3458 | RIVERSIDE | Sublette County, WY | Oil & Gas Property | Oct 2025 |
| 3459 | RIVERTON | Fremont County, WY | Oil & Gas Property | Sep 2025 |
| 3460 | RM OREGON FEDERAL 24-12 43-77BH | Johnson County, WY | Oil & Gas Property | Oct 2025 |
| 3461 | RM WASHINGTON FEE 14-1 43-77H | Johnson County, WY | Oil & Gas Property | Oct 2025 |
| 3462 | RMMC | Campbell County, WY | Gas Property | Jul 2003 |
| 3463 | RMSU | Campbell County, WY | Oil & Gas Property | Aug 2025 |
| 3464 | ROAD HOLLOW | Lincoln County, WY | Oil & Gas Property | Sep 2025 |
| 3465 | ROBBERS | Carbon County, WY | Oil & Gas Property | Oct 2025 |
| 3466 | ROBBINS | Johnson County, WY | Gas Property | May 2012 |
| 3467 | ROBBINS | Converse County, WY | Oil & Gas Property | Oct 2025 |
| 3468 | ROBBINS | Campbell County, WY | Gas Property | Mar 2007 |
| 3469 | ROBBINS | Campbell County, WY | Gas Property | Jan 2011 |
| 3470 | ROBBINS UNIT | Converse County, WY | Oil & Gas Property | Oct 2025 |
| 3471 | ROBBINS UNIT 39-72 4-1FH | Converse County, WY | Oil & Gas Property | Oct 2025 |
| 3472 | ROBERTS | Weston County, WY | Oil Property | Jul 2019 |
| 3473 | ROBERTS STEWART | Weston County, WY | Oil Property | Nov 2025 |
| 3474 | ROBINSON | Crook County, WY | Oil Property | Nov 2025 |
| 3475 | ROBINSON | Converse County, WY | Oil & Gas Property | Oct 2025 |
| 3476 | ROBINSON | Crook County, WY | Oil & Gas Property | Oct 2024 |
| 3477 | ROBINSON | Weston County, WY | Oil & Gas Property | Oct 2025 |
| 3478 | ROBINSON | Weston County, WY | Oil & Gas Property | Sep 2024 |
| 3479 | ROBINSON | Big Horn County, WY | Oil Property | Sep 2019 |
| 3480 | ROBINSON R | Crook County, WY | Oil Property | Apr 2025 |
| 3481 | ROCHELLE 1 | Converse County, WY | Oil & Gas Property | Oct 2025 |
| 3482 | ROCK | Weston County, WY | Oil & Gas Property | Oct 2025 |
| 3483 | ROCK CREEK | Campbell County, WY | Oil & Gas Property | Oct 2025 |
| 3484 | ROCKY BUTTE | Campbell County, WY | Oil & Gas Property | Oct 2025 |
| 3485 | ROCKY BUTTE | Campbell County, WY | Oil & Gas Property | Oct 2025 |
| 3486 | ROCKY POINT | Campbell County, WY | Oil & Gas Property | Nov 2025 |
| 3487 | RODEO | Niobrara County, WY | Oil & Gas Property | Aug 2022 |
| 3488 | RODRIGUEZ | Crook County, WY | Oil & Gas Property | Nov 2025 |
| 3489 | ROEHRS | Campbell County, WY | Oil Property | May 1981 |
| 3490 | ROGER LEO FED | Converse County, WY | Oil & Gas Property | Oct 2025 |
| 3491 | ROGERS | Campbell County, WY | Oil & Gas Property | Oct 2024 |
| 3492 | ROGERS | Campbell County, WY | Gas Property | Jun 2015 |
| 3493 | ROHDE | Campbell County, WY | Oil & Gas Property | Oct 2025 |
| 3494 | ROHWEDER | Laramie County, WY | Oil & Gas Property | Dec 2024 |
| 3495 | ROLFF LAKE | Fremont County, WY | Oil Property | Nov 2025 |
| 3496 | ROLLING PIN | Campbell County, WY | Oil & Gas Property | Oct 2025 |
| 3497 | ROLLINS 01 | Campbell County, WY | Oil & Gas Property | Oct 2025 |
| 3498 | ROMMEL CS STATE | Campbell County, WY | Gas Property | Nov 2019 |
| 3499 | ROPER FED | Converse County, WY | Oil & Gas Property | Oct 2025 |
| 3500 | ROSE | Hot Springs County, WY | Oil Property | Jun 2025 |