| 3901 | SHOSHONE | Park County, WY | Oil & Gas Property | Dec 2025 |
| 3902 | SHOSHONE | Fremont County, WY | Oil Property | Dec 2025 |
| 3903 | SHOSHONE-ARAPAHOE 2 | Fremont County, WY | Oil Property | Nov 2025 |
| 3904 | SHOSTAK | Weston County, WY | Oil Property | Jun 1983 |
| 3905 | SHU DOWNS FED 0 | Converse County, WY | Oil & Gas Property | Dec 2025 |
| 3906 | SHU IBERLIN FED 3 | Converse County, WY | Oil & Gas Property | Dec 2025 |
| 3907 | SHU MOORE FED 05 | Converse County, WY | Oil & Gas Property | Dec 2025 |
| 3908 | SHULTZ FED | Converse County, WY | Oil & Gas Property | Dec 2025 |
| 3909 | SHUTE CREEK | Lincoln County, WY | Oil & Gas Property | Dec 2025 |
| 3910 | SHUTE CREEK | Lincoln County, WY | Oil & Gas Property | Dec 2025 |
| 3911 | SIBERIA | Sweetwater County, WY | Oil & Gas Property | Dec 2025 |
| 3912 | SIDEWINDER 3-15D | Sublette County, WY | Oil & Gas Property | Nov 2025 |
| 3913 | SIDNEY | Park County, WY | Oil & Gas Property | Nov 2025 |
| 3914 | SIDNEY PATENTED | Park County, WY | Oil & Gas Property | Nov 2025 |
| 3915 | SIDON CANAL | Big Horn County, WY | Oil & Gas Property | Nov 2025 |
| 3916 | SIERRA MADRE | Carbon County, WY | Oil & Gas Property | Dec 2025 |
| 3917 | SIGNAL HILL | Crook County, WY | Oil & Gas Property | Dec 2025 |
| 3918 | SILO STATE | Laramie County, WY | Oil & Gas Property | Feb 2018 |
| 3919 | SILVER | Converse County, WY | Oil & Gas Property | Jan 2026 |
| 3920 | SILVER TIP | Park County, WY | Oil & Gas Property | Dec 2025 |
| 3921 | SIMBA FED 4 | Johnson County, WY | Oil & Gas Property | Dec 2025 |
| 3922 | SIMONSEN | Big Horn County, WY | Oil & Gas Property | Feb 1991 |
| 3923 | SIMPSON | Campbell County, WY | Oil & Gas Property | Aug 2025 |
| 3924 | SIMPSON | Campbell County, WY | Oil & Gas Property | Dec 2025 |
| 3925 | SIMPSON PATENTED | Campbell County, WY | Oil & Gas Property | Oct 2025 |
| 3926 | SIMPSON RANCH | Campbell County, WY | Oil & Gas Property | Dec 2025 |
| 3927 | SIMS | Converse County, WY | Oil & Gas Property | Dec 2025 |
| 3928 | SIMS | Converse County, WY | Oil & Gas Property | Dec 2025 |
| 3929 | SIN-VIDETTA-W-7783 | Campbell County, WY | Oil & Gas Property | Nov 2025 |
| 3930 | SINGLETREE LAND 17-64 | Laramie County, WY | Oil & Gas Property | Dec 2025 |
| 3931 | SIOUX RANCH | Converse County, WY | Gas Property | Nov 2015 |
| 3932 | SIOUX STATELINE | Niobrara County, WY | Oil Property | Jan 2007 |
| 3933 | SISTER FED | Johnson County, WY | Oil & Gas Property | Nov 2025 |
| 3934 | SJ FEE | Carbon County, WY | Oil & Gas Property | Dec 2025 |
| 3935 | SKELETON SPRING | Converse County, WY | Oil & Gas Property | Dec 2025 |
| 3936 | SKELTON | Hot Springs County, WY | Oil & Gas Property | Nov 2025 |
| 3937 | SKULL CREEK | Park County, WY | Oil & Gas Property | May 2017 |
| 3938 | SKUNK CREEK FED 3772-0718 | Converse County, WY | Oil & Gas Property | Dec 2025 |
| 3939 | SKYLINE | Converse County, WY | Oil & Gas Property | Jun 2025 |
| 3940 | SKYLINE FED | Campbell County, WY | Oil & Gas Property | Dec 2025 |
| 3941 | SKYWARD CS | Johnson County, WY | Gas Property | May 2023 |
| 3942 | SLAGLE | Weston County, WY | Oil & Gas Property | Oct 2019 |
| 3943 | SLATE CREEK | Lincoln County, WY | Oil & Gas Property | Dec 2025 |
| 3944 | SLATTERY | Campbell County, WY | Oil & Gas Property | Jul 2021 |
| 3945 | SLICK | Washakie County, WY | Oil & Gas Property | Dec 2025 |
| 3946 | SLOU 0 | Natrona County, WY | Oil & Gas Property | Dec 2025 |
| 3947 | SLOU 1 | Natrona County, WY | Oil & Gas Property | Apr 2025 |
| 3948 | SLOU 2 | Natrona County, WY | Oil & Gas Property | Dec 2025 |
| 3949 | SLOU 25ARDWC2SE36 | Natrona County, WY | Oil Property | Dec 2025 |
| 3950 | SLOU 3 | Natrona County, WY | Oil & Gas Property | Dec 2025 |
| 3951 | SLPU | Campbell County, WY | Oil & Gas Property | Nov 2025 |
| 3952 | SLPU FED 43-13H | Campbell County, WY | Oil & Gas Property | Nov 2025 |
| 3953 | SLPU STATE | Campbell County, WY | Oil & Gas Property | Nov 2025 |
| 3954 | SLURRY BOMBER FED 4076-34-27-1SH | Converse County, WY | Oil & Gas Property | Dec 2025 |
| 3955 | SM COBB | Carbon County, WY | Oil & Gas Property | Aug 2021 |
| 3956 | SM NICHOLS | Carbon County, WY | Oil & Gas Property | Dec 2025 |
| 3957 | SM SALISBURY | Carbon County, WY | Oil & Gas Property | Dec 2025 |
| 3958 | SMACY TWENTY MILE | Campbell County, WY | Gas Property | May 2012 |
| 3959 | SMATHERS 34-67-14N | Niobrara County, WY | Oil & Gas Property | Dec 2025 |
| 3960 | SMITH | Converse County, WY | Oil & Gas Property | Dec 2025 |
| 3961 | SMITH | Sheridan County, WY | Gas Property | Jun 2015 |
| 3962 | SMITH | Campbell County, WY | Oil & Gas Property | Feb 2006 |
| 3963 | SMITH | Sheridan County, WY | Gas Property | Jun 2015 |
| 3964 | SMITH | Natrona County, WY | Oil Property | May 1979 |
| 3965 | SMITH | Campbell County, WY | Oil & Gas Property | Feb 2014 |
| 3966 | SMITH 1 | Big Horn County, WY | Oil & Gas Property | Nov 2025 |
| 3967 | SMITH CREEK | Converse County, WY | Oil & Gas Property | Dec 2025 |
| 3968 | SMITH RANCHO | Carbon County, WY | Gas Property | Mar 2023 |
| 3969 | SMITH STATE | Weston County, WY | Oil & Gas Property | Aug 2018 |
| 3970 | SMITH W-22464 | Converse County, WY | Oil & Gas Property | Dec 2025 |
| 3971 | SMOKEPOLE CS FED | Campbell County, WY | Gas Property | Aug 2016 |
| 3972 | SMOKEY FED 4176-18-19-1FH | Johnson County, WY | Oil & Gas Property | Dec 2025 |
| 3973 | SMOKEY FED 4271-17 | Campbell County, WY | Oil & Gas Property | Nov 2025 |
| 3974 | SNAGGLE 4472-1324-1PH | Campbell County, WY | Oil & Gas Property | Nov 2025 |
| 3975 | SNODDY PATENTED | Campbell County, WY | Oil & Gas Property | Dec 2025 |
| 3976 | SNODGRASS | Campbell County, WY | Gas Property | Aug 2011 |
| 3977 | SNOWBIRD 2017-0 | Campbell County, WY | Oil & Gas Property | Dec 2025 |
| 3978 | SNYDER CREEK FED 22-27H | Niobrara County, WY | Oil & Gas Property | Nov 2025 |
| 3979 | SO COLE CR | Converse County, WY | Oil Property | Jan 1993 |
| 3980 | SO ELK BAS | Park County, WY | Oil & Gas Property | Dec 2022 |
| 3981 | SO GLENROCK | Converse County, WY | Oil Property | Oct 2025 |
| 3982 | SO HOGSBACK | Lincoln County, WY | Oil & Gas Property | Dec 2025 |
| 3983 | SO LABARGE | Sublette County, WY | Oil & Gas Property | Dec 2025 |
| 3984 | SO TIMBER | Campbell County, WY | Oil & Gas Property | Apr 2025 |
| 3985 | SOC 1-22 | Sweetwater County, WY | Oil & Gas Property | Nov 2025 |
| 3986 | SOCO | Carbon County, WY | Oil & Gas Property | Nov 2025 |
| 3987 | SOCO CHMPLN CHAMBERS | Carbon County, WY | Oil & Gas Property | Nov 2025 |
| 3988 | SOCO TRIBAL | Fremont County, WY | Oil & Gas Property | Sep 2025 |
| 3989 | SOL 1 | Sublette County, WY | Oil & Gas Property | Dec 2025 |
| 3990 | SOL 3-36 | Sublette County, WY | Oil & Gas Property | Dec 2025 |
| 3991 | SOL 6-36 | Sublette County, WY | Oil & Gas Property | Dec 2025 |
| 3992 | SOL 7 | Sublette County, WY | Oil & Gas Property | Dec 2025 |
| 3993 | SOL 9 | Sublette County, WY | Oil & Gas Property | Dec 2025 |
| 3994 | SOL UNIT | Sublette County, WY | Oil & Gas Property | Dec 2025 |
| 3995 | SOLITUDE FED 3974-1720 | Converse County, WY | Oil & Gas Property | Dec 2025 |
| 3996 | SOMERS | Weston County, WY | Oil Property | Aug 2024 |
| 3997 | SONNERS | Park County, WY | Oil & Gas Property | Nov 2025 |
| 3998 | SORENSON | Johnson County, WY | Gas Property | May 2012 |
| 3999 | SORENSON | Campbell County, WY | Gas Property | Jun 2017 |
| 4000 | SORENSON | Campbell County, WY | Gas Property | Dec 2016 |