| 3501 | ROUSH STATE FED | Campbell County, WY | Oil & Gas Property | Jun 2026 |
| 3502 | ROUSSEAU | Park County, WY | Oil & Gas Property | Jul 2026 |
| 3503 | ROUTER CS FEDERAL | Johnson County, WY | Gas Property | May 2023 |
| 3504 | ROWLEY | Sheridan County, WY | Gas Property | Jun 2015 |
| 3505 | ROXY FED 4372-2 | Campbell County, WY | Oil & Gas Property | Jul 2026 |
| 3506 | ROY AMOCO | Campbell County, WY | Oil Property | Jul 2026 |
| 3507 | ROY WILLEY | Big Horn County, WY | Oil & Gas Property | Jul 2026 |
| 3508 | ROZET | Campbell County, WY | Oil & Gas Property | Jul 2026 |
| 3509 | ROZET WEST | Campbell County, WY | Oil Property | Jul 2026 |
| 3510 | RP GOOSE F41X-21G | Park County, WY | Oil & Gas Property | Jul 2026 |
| 3511 | RPG FEDERAL | Crook County, WY | Oil Property | Jul 2026 |
| 3512 | RRC 16-34-70 USAC TR 21H | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 3513 | RRC 4-34-70 USA D TR 22H | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 3514 | RRC 5-34-70 USA B TR 2 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 3515 | RRFED 14101 | Sweetwater County, WY | Gas Property | Jun 2007 |
| 3516 | RU DILTS FED | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 3517 | RU DILTS FED | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 3518 | RU FED | Johnson County, WY | Gas Property | Jun 2026 |
| 3519 | RU JFW FED | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 3520 | RU PRCC FED 36-254072 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 3521 | RU STATE | Johnson County, WY | Gas Property | Jun 2026 |
| 3522 | RU STATE FED 16-093972 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 3523 | RU T-55 FED | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 3524 | RUBEN | Sublette County, WY | Oil & Gas Property | Oct 2018 |
| 3525 | RUBY | Campbell County, WY | Oil & Gas Property | Jul 2025 |
| 3526 | RUBY | Campbell County, WY | Gas Property | Nov 2013 |
| 3527 | RUBY | Campbell County, WY | Gas Property | Aug 2013 |
| 3528 | RUBY | Campbell County, WY | Gas Property | Oct 2015 |
| 3529 | RUBY FED | Campbell County, WY | Gas Property | May 2012 |
| 3530 | RUBY KNOLLS | Sweetwater County, WY | Oil & Gas Property | Aug 2025 |
| 3531 | RUCKI | Sheridan County, WY | Gas Property | Mar 2014 |
| 3532 | RUCKI FED | Sheridan County, WY | Gas Property | Mar 2014 |
| 3533 | RUFOUS | Johnson County, WY | Oil & Gas Property | Jun 2019 |
| 3534 | RULE | Campbell County, WY | Gas Property | Jun 2015 |
| 3535 | RULE FE | Crook County, WY | Oil & Gas Property | Jul 2026 |
| 3536 | RULE TRUST FED | Campbell County, WY | Gas Property | May 2017 |
| 3537 | RUSH STATE 4277-36-1FH | Johnson County, WY | Oil & Gas Property | Jul 2026 |
| 3538 | RUSSELL | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 3539 | RUSSELL | Carbon County, WY | Gas Property | Apr 1994 |
| 3540 | RUSSELL | Campbell County, WY | Gas Property | May 2009 |
| 3541 | RUSSELL CS | Campbell County, WY | Gas Property | Aug 2016 |
| 3542 | RUSSELL FEDERAL | Campbell County, WY | Gas Property | Aug 2009 |
| 3543 | RUSSELL FEDERAL 3873-0706 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 3544 | RUSTY FEDERAL 4075-23-14-1UH | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 3545 | RUTH SWEZEY | Carbon County, WY | Gas Property | Mar 2022 |
| 3546 | RUTH WHISLER | Campbell County, WY | Oil Property | Jul 2026 |
| 3547 | RYCKMAN CR | Uinta County, WY | Oil & Gas Property | Jul 2026 |
| 3548 | S A CREEK | Campbell County, WY | Oil Property | Jul 2026 |
| 3549 | S A TRIBAL | Fremont County, WY | Oil Property | Jul 2026 |
| 3550 | S A TRIBAL A | Fremont County, WY | Oil Property | Jul 2026 |
| 3551 | S BAR | Campbell County, WY | Gas Property | May 2012 |
| 3552 | S BAR FED | Campbell County, WY | Gas Property | Jun 2026 |
| 3553 | S BLOCK UNIT | Campbell County, WY | Oil & Gas Property | Jul 2026 |
| 3554 | S HOGSBACK BORDER 1 | Lincoln County, WY | Oil & Gas Property | Jul 2026 |
| 3555 | S L WILEY | Hot Springs County, WY | Oil & Gas Property | Jul 2026 |
| 3556 | S NITCHIE | Sweetwater County, WY | Oil & Gas Property | Sep 1991 |
| 3557 | S SPRING CR | Park County, WY | Oil & Gas Property | Jul 2026 |
| 3558 | S UNIT NPRR PATENT | Park County, WY | Oil & Gas Property | Jun 2026 |
| 3559 | S. UNIT W-0 | Weston County, WY | Oil & Gas Property | Dec 1987 |
| 3560 | SA TRIBAL | Fremont County, WY | Oil Property | Jul 2026 |
| 3561 | SADDLE RIDGE | Sublette County, WY | Oil & Gas Property | Mar 2014 |
| 3562 | SADDLE ROCK | Natrona County, WY | Oil & Gas Property | Apr 2026 |
| 3563 | SAG 1 | Sublette County, WY | Oil & Gas Property | Jun 2026 |
| 3564 | SAG 3 | Sublette County, WY | Oil & Gas Property | Jun 2026 |
| 3565 | SAG 4 | Sublette County, WY | Oil & Gas Property | Jun 2026 |
| 3566 | SAGE CREEK | Big Horn County, WY | Oil & Gas Property | Jul 2026 |
| 3567 | SAGE SPRING C | Natrona County, WY | Oil & Gas Property | Jul 2026 |
| 3568 | SAGE SPRING CR | Natrona County, WY | Oil & Gas Property | Jun 2020 |
| 3569 | SAGE UNIT | Big Horn County, WY | Oil & Gas Property | Jul 2026 |
| 3570 | SAGEBRUSH | Sweetwater County, WY | Oil & Gas Property | Jun 2026 |
| 3571 | SAGEBRUSH | Campbell County, WY | Oil & Gas Property | Jul 2026 |
| 3572 | SAGEBRUSH | Campbell County, WY | Oil Property | Jul 2026 |
| 3573 | SAGEBUSH | Big Horn County, WY | Oil Property | Jul 2018 |
| 3574 | SAGUARO | Sweetwater County, WY | Oil & Gas Property | Aug 2023 |
| 3575 | SALES | Sheridan County, WY | Gas Property | Mar 2014 |
| 3576 | SALISBURY | Converse County, WY | Oil & Gas Property | Nov 1990 |
| 3577 | SALLEY PERSONS | Weston County, WY | Oil & Gas Property | Jun 2026 |
| 3578 | SALT CRKLIGHT | Natrona County, WY | Oil & Gas Property | Sep 1991 |
| 3579 | SALT WELLS | Sweetwater County, WY | Oil & Gas Property | May 2026 |
| 3580 | SALT WELLS | Sweetwater County, WY | Oil & Gas Property | Nov 2010 |
| 3581 | SAM FED 3571-18 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 3582 | SAM JOSS | Niobrara County, WY | Oil & Gas Property | Jun 2026 |
| 3583 | SAM KOCH PATENTED | Crook County, WY | Oil Property | Apr 1993 |
| 3584 | SAM STATE | Carbon County, WY | Oil & Gas Property | Sep 2015 |
| 3585 | SAMPSON | Campbell County, WY | Gas Property | May 2013 |
| 3586 | SAMPSON | Campbell County, WY | Gas Property | Jun 2015 |
| 3587 | SAMS | Campbell County, WY | Oil & Gas Property | Jul 2026 |
| 3588 | SAMUEL | Park County, WY | Oil & Gas Property | Jul 2026 |
| 3589 | SAND BUTTE | Sweetwater County, WY | Gas Property | Jan 2008 |
| 3590 | SAND CREEK | Carbon County, WY | Oil & Gas Property | Jun 2026 |
| 3591 | SAND DRAW | Sublette County, WY | Oil & Gas Property | Jun 2026 |
| 3592 | SAND DUNES | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 3593 | SAND SPRINGS | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 3594 | SAND TRAP 42-15 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 3595 | SANDBAR | Campbell County, WY | Oil & Gas Property | Jan 1999 |
| 3596 | SANDBAR | Campbell County, WY | Oil & Gas Property | Jul 2000 |
| 3597 | SANDBAR WEST | Campbell County, WY | Oil & Gas Property | Jul 1996 |
| 3598 | SANDBERG 16-63 | Laramie County, WY | Oil & Gas Property | Jul 2026 |
| 3599 | SANDBERG 17-64 | Laramie County, WY | Oil & Gas Property | Jul 2026 |
| 3600 | SANDPIPER 0706 | Campbell County, WY | Oil & Gas Property | Jul 2026 |