| 3401 | SALT CRKLIGHT | Natrona County, WY | Oil & Gas Property | Sep 1991 |
| 3402 | SALT WELLS | Sweetwater County, WY | Oil & Gas Property | Apr 2026 |
| 3403 | SALT WELLS | Sweetwater County, WY | Oil & Gas Property | Nov 2010 |
| 3404 | SAM FED 3571-18 | Converse County, WY | Oil & Gas Property | Apr 2026 |
| 3405 | SAM JOSS | Niobrara County, WY | Oil & Gas Property | May 2026 |
| 3406 | SAM KOCH PATENTED | Crook County, WY | Oil Property | Apr 1993 |
| 3407 | SAM STATE | Carbon County, WY | Oil & Gas Property | Sep 2015 |
| 3408 | SAMPSON | Campbell County, WY | Gas Property | May 2013 |
| 3409 | SAMPSON | Campbell County, WY | Gas Property | Jun 2015 |
| 3410 | SAMS | Campbell County, WY | Oil & Gas Property | May 2026 |
| 3411 | SAMUEL | Park County, WY | Oil & Gas Property | May 2026 |
| 3412 | SAND BUTTE | Sweetwater County, WY | Gas Property | Jan 2008 |
| 3413 | SAND CREEK | Carbon County, WY | Oil & Gas Property | May 2026 |
| 3414 | SAND DRAW | Sublette County, WY | Oil & Gas Property | Apr 2026 |
| 3415 | SAND DUNES | Converse County, WY | Oil & Gas Property | May 2026 |
| 3416 | SAND SPRINGS | Converse County, WY | Oil & Gas Property | May 2026 |
| 3417 | SAND TRAP 42-15 | Converse County, WY | Oil & Gas Property | May 2026 |
| 3418 | SANDBAR | Campbell County, WY | Oil & Gas Property | Jan 1999 |
| 3419 | SANDBAR | Campbell County, WY | Oil & Gas Property | Jul 2000 |
| 3420 | SANDBAR WEST | Campbell County, WY | Oil & Gas Property | Jul 1996 |
| 3421 | SANDBERG 16-63 | Laramie County, WY | Oil & Gas Property | May 2026 |
| 3422 | SANDBERG 17-64 | Laramie County, WY | Oil & Gas Property | May 2026 |
| 3423 | SANDPIPER 0706 | Campbell County, WY | Oil & Gas Property | May 2026 |
| 3424 | SANDRA | Campbell County, WY | Oil & Gas Property | Apr 1984 |
| 3425 | SANTANA FED | Converse County, WY | Oil & Gas Property | Apr 2026 |
| 3426 | SAPPINGTON | Campbell County, WY | Gas Property | Sep 2010 |
| 3427 | SARAH | Park County, WY | Oil & Gas Property | May 2026 |
| 3428 | SARGENT C | Campbell County, WY | Oil & Gas Property | May 2026 |
| 3429 | SAUNDERS | Campbell County, WY | Gas Property | Nov 2013 |
| 3430 | SAUNDERS | Campbell County, WY | Gas Property | Nov 2010 |
| 3431 | SAUNDERS | Campbell County, WY | Gas Property | Jun 2010 |
| 3432 | SAVAGETON | Campbell County, WY | Gas Property | Nov 2018 |
| 3433 | SAVAGETON FED | Campbell County, WY | Gas Property | May 2024 |
| 3434 | SAVERY | Carbon County, WY | Gas Property | Sep 2017 |
| 3435 | SCHAEFER | Niobrara County, WY | Oil Property | Jun 2024 |
| 3436 | SCHEEL | Laramie County, WY | Oil & Gas Property | May 2026 |
| 3437 | SCHLAUTMAN | Campbell County, WY | Oil & Gas Property | May 2012 |
| 3438 | SCHLAUTMANN | Campbell County, WY | Oil & Gas Property | May 2012 |
| 3439 | SCHLAUTMANN | Campbell County, WY | Gas Property | Aug 2013 |
| 3440 | SCHLAUTMANN CS | Campbell County, WY | Gas Property | Dec 2019 |
| 3441 | SCHNEIDER | Campbell County, WY | Gas Property | Jul 2005 |
| 3442 | SCHOOLHOUSE | Campbell County, WY | Oil & Gas Property | May 2026 |
| 3443 | SCHOONOVER | Johnson County, WY | Oil & Gas Property | May 2026 |
| 3444 | SCHOONOVER | Campbell County, WY | Gas Property | Apr 2026 |
| 3445 | SCHOONOVER CS FED | Johnson County, WY | Gas Property | Nov 2019 |
| 3446 | SCHRANTZ 5H | Washakie County, WY | Oil & Gas Property | May 2026 |
| 3447 | SCHURICHT | Crook County, WY | Oil Property | Apr 2026 |
| 3448 | SCHURICHT | Niobrara County, WY | Oil & Gas Property | May 2026 |
| 3449 | SCHURICHT | Crook County, WY | Oil Property | Dec 2025 |
| 3450 | SCLOU | Natrona County, WY | Oil & Gas Property | May 2026 |
| 3451 | SCLOU 0 | Natrona County, WY | Oil Property | May 2026 |
| 3452 | SCLOU 1 | Natrona County, WY | Oil & Gas Property | May 2026 |
| 3453 | SCLOU 3 | Natrona County, WY | Oil & Gas Property | May 2026 |
| 3454 | SCOOTER FED 4277-10-3 | Johnson County, WY | Oil & Gas Property | May 2026 |
| 3455 | SCORPIO | Campbell County, WY | Oil & Gas Property | May 2026 |
| 3456 | SCORPIO | Converse County, WY | Oil & Gas Property | Apr 2026 |
| 3457 | SCORPION E 4275-26-23 | Campbell County, WY | Oil & Gas Property | May 2026 |
| 3458 | SCOTT | Campbell County, WY | Gas Property | Jun 2012 |
| 3459 | SCOTT | Campbell County, WY | Gas Property | Feb 2009 |
| 3460 | SCRIBNER | Campbell County, WY | Oil & Gas Property | Jun 2026 |
| 3461 | SCSU | Weston County, WY | Oil & Gas Property | Mar 2020 |
| 3462 | SCSU 0 | Natrona County, WY | Oil & Gas Property | Sep 1988 |
| 3463 | SCSU 1 | Natrona County, WY | Oil Property | Jan 1999 |
| 3464 | SCSU 2 | Natrona County, WY | Oil & Gas Property | Feb 2020 |
| 3465 | SCSU 3 | Natrona County, WY | Oil Property | May 2026 |
| 3466 | SCU 1 | Weston County, WY | Oil & Gas Property | Mar 2020 |
| 3467 | SCU 2 | Weston County, WY | Oil & Gas Property | Dec 2016 |
| 3468 | SCU 3 | Weston County, WY | Oil & Gas Property | Mar 2020 |
| 3469 | SCU 4 | Weston County, WY | Oil & Gas Property | Mar 2020 |
| 3470 | SCULLY | Johnson County, WY | Gas Property | Apr 2026 |
| 3471 | SCULPIN 1102 | Campbell County, WY | Oil & Gas Property | May 2026 |
| 3472 | SD FEDERAL 1691 | Carbon County, WY | Gas Property | May 2026 |
| 3473 | SDU BONER BROS FED 2 | Converse County, WY | Oil & Gas Property | May 2026 |
| 3474 | SDU DILTS FED 333871 | Converse County, WY | Oil & Gas Property | May 2026 |
| 3475 | SDU TILLARD | Converse County, WY | Oil & Gas Property | May 2026 |
| 3476 | SDU TILLARD | Converse County, WY | Oil & Gas Property | May 2026 |
| 3477 | SDU TILLARD FED | Converse County, WY | Oil & Gas Property | May 2026 |
| 3478 | SDU TILLARD FED 02-113771 | Converse County, WY | Oil & Gas Property | May 2026 |
| 3479 | SEB 2215 | Laramie County, WY | Oil & Gas Property | May 2026 |
| 3480 | SEDGEWICK | Weston County, WY | Oil & Gas Property | Jun 2005 |
| 3481 | SEDGWICK | Weston County, WY | Oil & Gas Property | May 2026 |
| 3482 | SEDGWICK | Weston County, WY | Oil & Gas Property | May 2026 |
| 3483 | SEDGWICK | Weston County, WY | Oil & Gas Property | Oct 2025 |
| 3484 | SEDGWICK | Park County, WY | Gas Property | Oct 2015 |
| 3485 | SEEDY DRAW EAST FEDERAL 1H | Niobrara County, WY | Oil & Gas Property | May 2026 |
| 3486 | SEEDY DRAW NORTH-FED 1H | Niobrara County, WY | Oil & Gas Property | May 2026 |
| 3487 | SEMINOE | Laramie County, WY | Oil & Gas Property | Apr 2026 |
| 3488 | SEMLEK | Crook County, WY | Oil Property | May 2026 |
| 3489 | SEQUOYAH | Sweetwater County, WY | Oil & Gas Property | May 2026 |
| 3490 | SEVEN BROTHERS | Sheridan County, WY | Gas Property | Jun 2015 |
| 3491 | SEVEN BROTHERS LAKES 3874-31-30-1NH | Converse County, WY | Oil & Gas Property | May 2026 |
| 3492 | SEVEN MILE | Sweetwater County, WY | Oil & Gas Property | Apr 2026 |
| 3493 | SEVEN MILE GULCH | Lincoln County, WY | Oil & Gas Property | Jul 2025 |
| 3494 | SEVEN MILE WASH | Lincoln County, WY | Oil & Gas Property | May 2026 |
| 3495 | SEWELL PATENTED | Weston County, WY | Oil Property | Apr 2026 |
| 3496 | SFU 10-34-72 USA | Converse County, WY | Oil & Gas Property | Apr 2026 |
| 3497 | SFU 11-34-72 USA | Converse County, WY | Oil & Gas Property | Apr 2026 |
| 3498 | SFU 12-34-72 USA | Converse County, WY | Oil & Gas Property | Apr 2026 |
| 3499 | SFU 7-34-71 | Converse County, WY | Oil & Gas Property | Apr 2026 |
| 3500 | SFU 9-34-71 | Converse County, WY | Oil & Gas Property | Apr 2026 |