| 3501 | RUCKI | Sheridan County, WY | Gas Property | Mar 2014 |
| 3502 | RUCKI FED | Sheridan County, WY | Gas Property | Mar 2014 |
| 3503 | RUFOUS | Johnson County, WY | Oil & Gas Property | Jun 2019 |
| 3504 | RULE | Campbell County, WY | Gas Property | Jun 2015 |
| 3505 | RULE FE | Crook County, WY | Oil & Gas Property | Jul 2026 |
| 3506 | RULE TRUST FED | Campbell County, WY | Gas Property | May 2017 |
| 3507 | RUSSELL | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 3508 | RUSSELL | Carbon County, WY | Gas Property | Apr 1994 |
| 3509 | RUSSELL | Campbell County, WY | Gas Property | May 2009 |
| 3510 | RUSSELL CS | Campbell County, WY | Gas Property | Aug 2016 |
| 3511 | RUSSELL FEDERAL | Campbell County, WY | Gas Property | Aug 2009 |
| 3512 | RUSSELL FEDERAL 3873-0706 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 3513 | RUTH SWEZEY | Carbon County, WY | Gas Property | Mar 2022 |
| 3514 | RUTH WHISLER | Campbell County, WY | Oil Property | Jul 2026 |
| 3515 | RYCKMAN CR | Uinta County, WY | Oil & Gas Property | May 2026 |
| 3516 | S A CREEK | Campbell County, WY | Oil Property | Jul 2026 |
| 3517 | S A TRIBAL | Fremont County, WY | Oil Property | Jul 2026 |
| 3518 | S A TRIBAL A | Fremont County, WY | Oil Property | Jul 2026 |
| 3519 | S BAR | Campbell County, WY | Gas Property | May 2012 |
| 3520 | S BAR FED | Campbell County, WY | Gas Property | Jun 2026 |
| 3521 | S BLOCK UNIT | Campbell County, WY | Oil & Gas Property | Jul 2026 |
| 3522 | S HOGSBACK BORDER 1 | Lincoln County, WY | Oil & Gas Property | Jul 2026 |
| 3523 | S L WILEY | Hot Springs County, WY | Oil & Gas Property | Jul 2026 |
| 3524 | S NITCHIE | Sweetwater County, WY | Oil & Gas Property | Sep 1991 |
| 3525 | S SPRING CR | Park County, WY | Oil & Gas Property | Jul 2026 |
| 3526 | S UNIT NPRR PATENT | Park County, WY | Oil & Gas Property | Jun 2026 |
| 3527 | S. UNIT W-0 | Weston County, WY | Oil & Gas Property | Dec 1987 |
| 3528 | SA TRIBAL | Fremont County, WY | Oil Property | Jul 2026 |
| 3529 | SADDLE RIDGE | Sublette County, WY | Oil & Gas Property | Mar 2014 |
| 3530 | SADDLE ROCK | Natrona County, WY | Oil & Gas Property | Apr 2026 |
| 3531 | SAG 1 | Sublette County, WY | Oil & Gas Property | Jun 2026 |
| 3532 | SAG 3 | Sublette County, WY | Oil & Gas Property | Jun 2026 |
| 3533 | SAG 4 | Sublette County, WY | Oil & Gas Property | Jun 2026 |
| 3534 | SAGE CREEK | Big Horn County, WY | Oil & Gas Property | Jul 2026 |
| 3535 | SAGE SPRING C | Natrona County, WY | Oil & Gas Property | Jul 2026 |
| 3536 | SAGE SPRING CR | Natrona County, WY | Oil & Gas Property | Jun 2020 |
| 3537 | SAGE UNIT | Big Horn County, WY | Oil & Gas Property | Jul 2026 |
| 3538 | SAGEBRUSH | Sweetwater County, WY | Oil & Gas Property | Jun 2026 |
| 3539 | SAGEBRUSH | Campbell County, WY | Oil & Gas Property | Jul 2026 |
| 3540 | SAGEBRUSH | Campbell County, WY | Oil Property | Jul 2026 |
| 3541 | SAGEBUSH | Big Horn County, WY | Oil Property | Jul 2018 |
| 3542 | SAGUARO | Sweetwater County, WY | Oil & Gas Property | Aug 2023 |
| 3543 | SALES | Sheridan County, WY | Gas Property | Mar 2014 |
| 3544 | SALISBURY | Converse County, WY | Oil & Gas Property | Nov 1990 |
| 3545 | SALLEY PERSONS | Weston County, WY | Oil & Gas Property | Jun 2026 |
| 3546 | SALT CRKLIGHT | Natrona County, WY | Oil & Gas Property | Sep 1991 |
| 3547 | SALT WELLS | Sweetwater County, WY | Oil & Gas Property | May 2026 |
| 3548 | SALT WELLS | Sweetwater County, WY | Oil & Gas Property | Nov 2010 |
| 3549 | SAM FED 3571-18 | Converse County, WY | Oil & Gas Property | Jun 2026 |
| 3550 | SAM JOSS | Niobrara County, WY | Oil & Gas Property | Jun 2026 |
| 3551 | SAM KOCH PATENTED | Crook County, WY | Oil Property | Apr 1993 |
| 3552 | SAM STATE | Carbon County, WY | Oil & Gas Property | Sep 2015 |
| 3553 | SAMPSON | Campbell County, WY | Gas Property | May 2013 |
| 3554 | SAMPSON | Campbell County, WY | Gas Property | Jun 2015 |
| 3555 | SAMS | Campbell County, WY | Oil & Gas Property | Jul 2026 |
| 3556 | SAMUEL | Park County, WY | Oil & Gas Property | Jul 2026 |
| 3557 | SAND BUTTE | Sweetwater County, WY | Gas Property | Jan 2008 |
| 3558 | SAND CREEK | Carbon County, WY | Oil & Gas Property | Jun 2026 |
| 3559 | SAND DRAW | Sublette County, WY | Oil & Gas Property | Jun 2026 |
| 3560 | SAND DUNES | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 3561 | SAND SPRINGS | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 3562 | SAND TRAP 42-15 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 3563 | SANDBAR | Campbell County, WY | Oil & Gas Property | Jan 1999 |
| 3564 | SANDBAR | Campbell County, WY | Oil & Gas Property | Jul 2000 |
| 3565 | SANDBAR WEST | Campbell County, WY | Oil & Gas Property | Jul 1996 |
| 3566 | SANDBERG 16-63 | Laramie County, WY | Oil & Gas Property | Jul 2026 |
| 3567 | SANDBERG 17-64 | Laramie County, WY | Oil & Gas Property | Jul 2026 |
| 3568 | SANDPIPER 0706 | Campbell County, WY | Oil & Gas Property | Jun 2026 |
| 3569 | SANDRA | Campbell County, WY | Oil & Gas Property | Apr 1984 |
| 3570 | SANTANA FED | Converse County, WY | Oil & Gas Property | Jun 2026 |
| 3571 | SAPPHIRE FED 3467-0706 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 3572 | SAPPINGTON | Campbell County, WY | Gas Property | Sep 2010 |
| 3573 | SARAH | Park County, WY | Oil & Gas Property | Jul 2026 |
| 3574 | SARGENT C | Campbell County, WY | Oil & Gas Property | Jun 2026 |
| 3575 | SAUNDERS | Campbell County, WY | Gas Property | Nov 2013 |
| 3576 | SAUNDERS | Campbell County, WY | Gas Property | Nov 2010 |
| 3577 | SAUNDERS | Campbell County, WY | Gas Property | Jun 2010 |
| 3578 | SAVAGETON | Campbell County, WY | Gas Property | Nov 2018 |
| 3579 | SAVAGETON FED | Campbell County, WY | Gas Property | May 2024 |
| 3580 | SAVERY | Carbon County, WY | Gas Property | Sep 2017 |
| 3581 | SAVERY 1495-S0 | Sweetwater County, WY | Oil & Gas Property | Jun 2026 |
| 3582 | SAWGRASS W-54325 1 | Campbell County, WY | Oil Property | Jul 2026 |
| 3583 | SAWMILL FEDERAL 3471-1102 1 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 3584 | SCHAEFER | Niobrara County, WY | Oil Property | Jun 2024 |
| 3585 | SCHEEL | Laramie County, WY | Oil & Gas Property | Jul 2026 |
| 3586 | SCHLAUTMAN | Campbell County, WY | Oil & Gas Property | May 2012 |
| 3587 | SCHLAUTMANN | Campbell County, WY | Oil & Gas Property | May 2012 |
| 3588 | SCHLAUTMANN | Campbell County, WY | Gas Property | Aug 2013 |
| 3589 | SCHLAUTMANN CS | Campbell County, WY | Gas Property | Dec 2019 |
| 3590 | SCHNEIDER | Campbell County, WY | Gas Property | Jul 2005 |
| 3591 | SCHOOLHOUSE | Campbell County, WY | Oil & Gas Property | Jul 2026 |
| 3592 | SCHOONOVER | Johnson County, WY | Oil & Gas Property | Jun 2026 |
| 3593 | SCHOONOVER | Campbell County, WY | Gas Property | Jun 2026 |
| 3594 | SCHOONOVER CS FED | Johnson County, WY | Gas Property | Nov 2019 |
| 3595 | SCHRANTZ 5H | Washakie County, WY | Oil & Gas Property | Jul 2026 |
| 3596 | SCHURICHT | Crook County, WY | Oil Property | Jun 2026 |
| 3597 | SCHURICHT | Niobrara County, WY | Oil & Gas Property | Jun 2026 |
| 3598 | SCHURICHT | Crook County, WY | Oil Property | Jun 2026 |
| 3599 | SCLOU | Natrona County, WY | Oil & Gas Property | Jul 2026 |
| 3600 | SCLOU 0 | Natrona County, WY | Oil Property | Jul 2026 |