| 3401 | ROBBINS UNIT 39-72 4-1FH | Converse County, WY | Oil & Gas Property | Jun 2025 |
| 3402 | ROBERTS | Weston County, WY | Oil Property | Jul 2019 |
| 3403 | ROBERTS STEWART | Weston County, WY | Oil Property | Jul 2025 |
| 3404 | ROBINSON | Crook County, WY | Oil Property | Jul 2025 |
| 3405 | ROBINSON | Converse County, WY | Oil & Gas Property | Jun 2025 |
| 3406 | ROBINSON | Crook County, WY | Oil & Gas Property | Oct 2024 |
| 3407 | ROBINSON | Weston County, WY | Oil & Gas Property | Jul 2021 |
| 3408 | ROBINSON | Weston County, WY | Oil & Gas Property | Sep 2024 |
| 3409 | ROBINSON | Big Horn County, WY | Oil Property | Sep 2019 |
| 3410 | ROBINSON R | Crook County, WY | Oil Property | Apr 2025 |
| 3411 | ROCHELLE 1 | Converse County, WY | Oil & Gas Property | Jun 2025 |
| 3412 | ROCK | Weston County, WY | Oil & Gas Property | Mar 2025 |
| 3413 | ROCK CREEK | Campbell County, WY | Oil & Gas Property | May 2025 |
| 3414 | ROCKY BUTTE | Campbell County, WY | Oil & Gas Property | Jun 2025 |
| 3415 | ROCKY BUTTE | Campbell County, WY | Oil & Gas Property | Jun 2025 |
| 3416 | ROCKY POINT | Campbell County, WY | Oil & Gas Property | Jun 2025 |
| 3417 | RODEO | Niobrara County, WY | Oil & Gas Property | Aug 2022 |
| 3418 | ROEHRS | Campbell County, WY | Oil Property | May 1981 |
| 3419 | ROGER LEO FED | Converse County, WY | Oil & Gas Property | Jun 2025 |
| 3420 | ROGERS | Campbell County, WY | Oil & Gas Property | Oct 2024 |
| 3421 | ROGERS | Campbell County, WY | Gas Property | Jun 2015 |
| 3422 | ROHDE | Campbell County, WY | Oil & Gas Property | May 2025 |
| 3423 | ROHWEDER | Laramie County, WY | Oil & Gas Property | Dec 2024 |
| 3424 | ROLFF LAKE | Fremont County, WY | Oil Property | Apr 2025 |
| 3425 | ROLLING PIN | Campbell County, WY | Oil & Gas Property | Jun 2025 |
| 3426 | ROLLINS 01 | Campbell County, WY | Oil & Gas Property | Jun 2025 |
| 3427 | ROMMEL CS STATE | Campbell County, WY | Gas Property | Nov 2019 |
| 3428 | ROPER FED | Converse County, WY | Oil & Gas Property | Jun 2025 |
| 3429 | ROSE | Hot Springs County, WY | Oil Property | Jun 2025 |
| 3430 | ROSEBORO | Campbell County, WY | Gas Property | Sep 2010 |
| 3431 | ROSEMARY | Laramie County, WY | Oil & Gas Property | May 2023 |
| 3432 | ROSIE 1-35H | Laramie County, WY | Oil & Gas Property | Jun 2025 |
| 3433 | ROSIE FED | Johnson County, WY | Oil & Gas Property | Jun 2025 |
| 3434 | ROSS FE | Campbell County, WY | Oil & Gas Property | Jun 2025 |
| 3435 | ROTH | Niobrara County, WY | Oil Property | Sep 2021 |
| 3436 | ROURKE | Campbell County, WY | Oil & Gas Property | Jan 2007 |
| 3437 | ROURKE | Campbell County, WY | Oil & Gas Property | Aug 2022 |
| 3438 | ROURKE FEDERAL | Campbell County, WY | Gas Property | Mar 2007 |
| 3439 | ROUSH | Campbell County, WY | Oil & Gas Property | Jun 2025 |
| 3440 | ROUSSEAU | Park County, WY | Oil & Gas Property | Jun 2025 |
| 3441 | ROUTER CS FEDERAL | Johnson County, WY | Gas Property | May 2023 |
| 3442 | ROWLEY | Sheridan County, WY | Gas Property | Jun 2015 |
| 3443 | ROXY FED 4372-2 | Campbell County, WY | Oil & Gas Property | Jun 2025 |
| 3444 | ROY AMOCO | Campbell County, WY | Oil Property | May 2025 |
| 3445 | ROY WILLEY | Big Horn County, WY | Oil & Gas Property | Jun 2025 |
| 3446 | ROZET | Campbell County, WY | Oil & Gas Property | Jun 2025 |
| 3447 | ROZET WEST | Campbell County, WY | Oil Property | Jun 2025 |
| 3448 | RP GOOSE F41X-21G | Park County, WY | Oil & Gas Property | Jun 2025 |
| 3449 | RPG FEDERAL | Crook County, WY | Oil Property | Jun 2025 |
| 3450 | RRC 16-34-70 USAC TR 21H | Converse County, WY | Oil & Gas Property | Jun 2025 |
| 3451 | RRC 4-34-70 USA D TR 22H | Converse County, WY | Oil & Gas Property | Jun 2025 |
| 3452 | RRC 5-34-70 USA B TR 2 | Converse County, WY | Oil & Gas Property | Jun 2025 |
| 3453 | RRFED 14101 | Sweetwater County, WY | Gas Property | Jun 2007 |
| 3454 | RU DILTS FED | Converse County, WY | Oil & Gas Property | Jun 2025 |
| 3455 | RU DILTS FED | Converse County, WY | Oil & Gas Property | Jun 2025 |
| 3456 | RU FED | Johnson County, WY | Gas Property | Jun 2025 |
| 3457 | RU JFW FED | Converse County, WY | Oil & Gas Property | Jun 2025 |
| 3458 | RU PRCC FED 36-254072 | Converse County, WY | Oil & Gas Property | Jun 2025 |
| 3459 | RU STATE | Johnson County, WY | Gas Property | Jun 2025 |
| 3460 | RU STATE FED 16-093972 | Converse County, WY | Oil & Gas Property | Jun 2025 |
| 3461 | RU T-55 FED | Converse County, WY | Oil & Gas Property | Jun 2025 |
| 3462 | RUBEN | Sublette County, WY | Oil & Gas Property | Oct 2018 |
| 3463 | RUBY | Campbell County, WY | Oil & Gas Property | Jun 2025 |
| 3464 | RUBY | Campbell County, WY | Gas Property | Nov 2013 |
| 3465 | RUBY | Campbell County, WY | Gas Property | Aug 2013 |
| 3466 | RUBY | Campbell County, WY | Gas Property | Oct 2015 |
| 3467 | RUBY FED | Campbell County, WY | Gas Property | May 2012 |
| 3468 | RUBY KNOLLS | Sweetwater County, WY | Oil & Gas Property | Sep 2024 |
| 3469 | RUCKI | Sheridan County, WY | Gas Property | Mar 2014 |
| 3470 | RUCKI FED | Sheridan County, WY | Gas Property | Mar 2014 |
| 3471 | RUFOUS | Johnson County, WY | Oil & Gas Property | Jun 2019 |
| 3472 | RUGER | Sweetwater County, WY | Oil & Gas Property | Jun 2025 |
| 3473 | RULE | Campbell County, WY | Gas Property | Jun 2015 |
| 3474 | RULE FE | Crook County, WY | Oil & Gas Property | Jun 2025 |
| 3475 | RULE TRUST FED | Campbell County, WY | Gas Property | May 2017 |
| 3476 | RUSH STATE 4277-36-1FH | Johnson County, WY | Oil & Gas Property | Jun 2025 |
| 3477 | RUSSELL | Converse County, WY | Oil & Gas Property | Jun 2025 |
| 3478 | RUSSELL | Carbon County, WY | Gas Property | Apr 1994 |
| 3479 | RUSSELL | Campbell County, WY | Gas Property | May 2009 |
| 3480 | RUSSELL CS | Campbell County, WY | Gas Property | Aug 2016 |
| 3481 | RUSSELL FEDERAL | Campbell County, WY | Gas Property | Aug 2009 |
| 3482 | RUSSELL FEDERAL 3873-0706 | Converse County, WY | Oil & Gas Property | Jun 2025 |
| 3483 | RUSTY FEDERAL 4075-23-14-1UH | Converse County, WY | Oil & Gas Property | Jun 2025 |
| 3484 | RUTH SWEZEY | Carbon County, WY | Gas Property | Mar 2022 |
| 3485 | RUTH WHISLER | Campbell County, WY | Oil Property | Jun 2025 |
| 3486 | RYCKMAN CR | Uinta County, WY | Oil & Gas Property | Jun 2025 |
| 3487 | S A CREEK | Campbell County, WY | Oil Property | Jun 2025 |
| 3488 | S A TRIBAL | Fremont County, WY | Oil Property | Jun 2025 |
| 3489 | S A TRIBAL A | Fremont County, WY | Oil Property | Jun 2025 |
| 3490 | S BAR | Campbell County, WY | Gas Property | May 2012 |
| 3491 | S BLOCK UNIT | Campbell County, WY | Oil & Gas Property | Jun 2025 |
| 3492 | S HOGSBACK BORDER 1 | Lincoln County, WY | Oil & Gas Property | Jun 2025 |
| 3493 | S L WILEY | Hot Springs County, WY | Oil & Gas Property | Jun 2025 |
| 3494 | S NITCHIE | Sweetwater County, WY | Oil & Gas Property | Sep 1991 |
| 3495 | S SPRING CR | Park County, WY | Oil & Gas Property | Jun 2025 |
| 3496 | S UNIT NPRR PATENT | Park County, WY | Oil & Gas Property | Jun 2025 |
| 3497 | S-BAR FED | Campbell County, WY | Gas Property | Jun 2025 |
| 3498 | S. UNIT W-0 | Weston County, WY | Oil & Gas Property | Dec 1987 |
| 3499 | SA TRIBAL | Fremont County, WY | Oil Property | Jun 2025 |
| 3500 | SADDLE RIDGE | Sublette County, WY | Oil & Gas Property | Mar 2014 |