| 4101 | STRANAHAN | Johnson County, WY | Gas Property | Dec 2025 |
| 4102 | STRANGE | Sweetwater County, WY | Oil & Gas Property | Jan 2026 |
| 4103 | STREETER | Johnson County, WY | Gas Property | Feb 2016 |
| 4104 | STREETER | Johnson County, WY | Oil & Gas Property | Dec 1993 |
| 4105 | STREETER FED | Johnson County, WY | Gas Property | Nov 2015 |
| 4106 | STRICKLING | Weston County, WY | Oil & Gas Property | Aug 2024 |
| 4107 | STRIKE | Sweetwater County, WY | Oil & Gas Property | Dec 2025 |
| 4108 | STRIPE CS FED | Campbell County, WY | Gas Property | Feb 2012 |
| 4109 | STUART | Campbell County, WY | Gas Property | Aug 2011 |
| 4110 | STUART | Campbell County, WY | Oil & Gas Property | Feb 2026 |
| 4111 | STUART | Campbell County, WY | Oil & Gas Property | Feb 2026 |
| 4112 | STUART FEDERAL | Campbell County, WY | Gas Property | Jun 2012 |
| 4113 | STUART FEDERAL | Campbell County, WY | Gas Property | Jul 2011 |
| 4114 | STUART FEDERAL | Campbell County, WY | Gas Property | Jan 2010 |
| 4115 | STUD HORSE | Sublette County, WY | Oil & Gas Property | Jan 2026 |
| 4116 | STUD HORSE BUTTE | Sublette County, WY | Oil & Gas Property | Jan 2026 |
| 4117 | STUDHORSE BUTTE RAIN 311-04-500H | Sublette County, WY | Oil & Gas Property | Jan 2026 |
| 4118 | SUBTHRUST C | Hot Springs County, WY | Oil & Gas Property | Jan 2026 |
| 4119 | SUCHAN | Campbell County, WY | Oil & Gas Property | Jan 2026 |
| 4120 | SUEDKAMP | Campbell County, WY | Gas Property | May 2012 |
| 4121 | SUGAR LOAF | Sublette County, WY | Oil & Gas Property | Nov 2021 |
| 4122 | SUGARLOAF | Sweetwater County, WY | Oil & Gas Property | Oct 2025 |
| 4123 | SUKEY CS STATE | Johnson County, WY | Gas Property | Apr 2014 |
| 4124 | SULTANA 23-62 23-14 | Goshen County, WY | Oil & Gas Property | Jan 2026 |
| 4125 | SUMMERFIELD | Campbell County, WY | Oil & Gas Property | Dec 2022 |
| 4126 | SUN DOG UNIT | Carbon County, WY | Gas Property | Dec 2025 |
| 4127 | SUN DOG UNIT 1691 | Carbon County, WY | Gas Property | Dec 2016 |
| 4128 | SUN RANCH | Natrona County, WY | Oil & Gas Property | Sep 2025 |
| 4129 | SUNDQUIST 9-34-71 USA A | Converse County, WY | Oil & Gas Property | Jan 2026 |
| 4130 | SUNDQUIST FLATS | Converse County, WY | Oil & Gas Property | Sep 1981 |
| 4131 | SUNDQUIST FLATS UNIT 34-72 1 | Converse County, WY | Oil & Gas Property | Jan 2026 |
| 4132 | SUNRISE CS FED | Campbell County, WY | Gas Property | Sep 2014 |
| 4133 | SUNRISE FED | Campbell County, WY | Oil & Gas Property | Jan 2026 |
| 4134 | SUPER BEE | Laramie County, WY | Oil & Gas Property | Jan 2026 |
| 4135 | SUPERHORNET | Campbell County, WY | Oil Property | Apr 2010 |
| 4136 | SUPERIOR | Campbell County, WY | Oil Property | Jan 1990 |
| 4137 | SURANYI | Sheridan County, WY | Gas Property | May 2012 |
| 4138 | SUSSEX | Johnson County, WY | Oil & Gas Property | Nov 2024 |
| 4139 | SUSSEX UNIT | Johnson County, WY | Oil & Gas Property | Apr 1986 |
| 4140 | SUSSEX WEST | Johnson County, WY | Oil & Gas Property | Jan 2026 |
| 4141 | SUSSEX WEST UNIT | Johnson County, WY | Oil Property | Oct 1986 |
| 4142 | SVALINA | Campbell County, WY | Oil & Gas Property | Apr 2010 |
| 4143 | SVALINA FED 14-17 | Campbell County, WY | Oil Property | Jan 2026 |
| 4144 | SWAN SOUTH | Sweetwater County, WY | Oil & Gas Property | Jan 2026 |
| 4145 | SWANSON | Campbell County, WY | Gas Property | Jan 2007 |
| 4146 | SWANSONG | Campbell County, WY | Gas Property | Nov 2013 |
| 4147 | SWINGHOLM FEDERAL | Campbell County, WY | Gas Property | Dec 2011 |
| 4148 | SWINYER 1 | Sheridan County, WY | Gas Property | Mar 2014 |
| 4149 | SYMONS | Sheridan County, WY | Gas Property | Mar 2014 |
| 4150 | T COSNER | Campbell County, WY | Oil & Gas Property | Jan 2026 |
| 4151 | T DUNNE | Fremont County, WY | Oil Property | Oct 2025 |
| 4152 | T SONNERS | Park County, WY | Oil & Gas Property | Jan 2026 |
| 4153 | T-55 FED 3 | Converse County, WY | Oil & Gas Property | Jan 2026 |
| 4154 | T-C RANCH 2S | Campbell County, WY | Gas Property | Dec 2025 |
| 4155 | T-CHAIR | Campbell County, WY | Oil & Gas Property | Jan 2026 |
| 4156 | T-CHAIR | Campbell County, WY | Gas Property | Dec 2025 |
| 4157 | T-CHAIR | Campbell County, WY | Gas Property | May 2015 |
| 4158 | TABLE 15-33-68 USA A | Converse County, WY | Oil & Gas Property | Jan 2026 |
| 4159 | TABLE MOUNTAIN UNIT | Johnson County, WY | Oil & Gas Property | Feb 2026 |
| 4160 | TABLE ROCK | Sweetwater County, WY | Oil & Gas Property | Jan 2026 |
| 4161 | TAGGART | Park County, WY | Oil & Gas Property | Sep 2019 |
| 4162 | TALISMAN | Campbell County, WY | Gas Property | Dec 2025 |
| 4163 | TALISMAN CS FED | Johnson County, WY | Gas Property | Dec 2019 |
| 4164 | TALLOW | Laramie County, WY | Oil & Gas Property | Jan 2026 |
| 4165 | TALLOW 3119 | Laramie County, WY | Oil & Gas Property | Jan 2026 |
| 4166 | TALMADGE | Laramie County, WY | Oil & Gas Property | Jan 2026 |
| 4167 | TALON FED 4271-1 | Campbell County, WY | Oil & Gas Property | Jan 2026 |
| 4168 | TALON UNIT | Fremont County, WY | Oil & Gas Property | Oct 2025 |
| 4169 | TANAGER 0705-1 | Campbell County, WY | Oil & Gas Property | Jan 2026 |
| 4170 | TANK ROCK FED | Campbell County, WY | Gas Property | Jul 2023 |
| 4171 | TANNER | Campbell County, WY | Oil & Gas Property | Jan 2026 |
| 4172 | TARTERS ISLAND | Sublette County, WY | Oil & Gas Property | Jan 2026 |
| 4173 | TARVER | Campbell County, WY | Gas Property | May 2012 |
| 4174 | TATANKA | Johnson County, WY | Oil & Gas Property | Jan 2026 |
| 4175 | TAURUS | Converse County, WY | Oil & Gas Property | Jan 2026 |
| 4176 | TAYLOR | Campbell County, WY | Gas Property | May 2012 |
| 4177 | TAYLOR | Converse County, WY | Oil & Gas Property | Oct 2024 |
| 4178 | TAYLOR | Campbell County, WY | Oil & Gas Property | Apr 1993 |
| 4179 | TAYLOR | Uinta County, WY | Oil & Gas Property | Feb 2026 |
| 4180 | TAYLOR | Sheridan County, WY | Gas Property | Jun 2015 |
| 4181 | TAYLOR | Weston County, WY | Oil & Gas Property | Oct 2020 |
| 4182 | TAYLOR FED 1 | Johnson County, WY | Oil Property | Jan 2026 |
| 4183 | TCAT BW | Crook County, WY | Oil Property | Dec 2025 |
| 4184 | TCR DES MOINES FED 41-21 43-76BH | Campbell County, WY | Oil & Gas Property | Jan 2026 |
| 4185 | TCR IOWA FEDERAL 34-21 43-76H | Campbell County, WY | Oil & Gas Property | Jan 2026 |
| 4186 | TCR KENTUCKY FEE 24-22 43-76BH | Campbell County, WY | Oil & Gas Property | Jan 2026 |
| 4187 | TCR MISSOURI FEDERAL 44-28/33 43-76BH | Campbell County, WY | Oil & Gas Property | Jan 2026 |
| 4188 | TCR NORTH CAROLINA FED 11-23 14 43-76BH | Campbell County, WY | Oil & Gas Property | Jan 2026 |
| 4189 | TCR RALEIGH FEDERAL 41-23 43-76BH | Campbell County, WY | Oil & Gas Property | Jan 2026 |
| 4190 | TCR STATE 3 | Campbell County, WY | Oil & Gas Property | Jan 2026 |
| 4191 | TCT 2 B | Weston County, WY | Oil Property | Nov 1982 |
| 4192 | TCT 3B | Park County, WY | Oil & Gas Property | Jan 2026 |
| 4193 | TCT 4 CARROL ROYALTY | Weston County, WY | Oil & Gas Property | Jul 1982 |
| 4194 | TCU 1 | Crook County, WY | Oil & Gas Property | Jan 2026 |
| 4195 | TCU 2 | Crook County, WY | Oil Property | Jan 2026 |
| 4196 | TCU 3 | Crook County, WY | Oil Property | Jan 2026 |
| 4197 | TCU 4 | Crook County, WY | Oil & Gas Property | Jan 2026 |
| 4198 | TCU 5 | Crook County, WY | Oil & Gas Property | Jan 2026 |
| 4199 | TCU 6 | Crook County, WY | Oil & Gas Property | Jan 2026 |
| 4200 | TCU 7 | Crook County, WY | Oil & Gas Property | Jan 2026 |