| 4101 | STREETER | Johnson County, WY | Oil & Gas Property | Dec 1993 |
| 4102 | STREETER FED | Johnson County, WY | Gas Property | Nov 2015 |
| 4103 | STRICKLING | Weston County, WY | Oil & Gas Property | Aug 2024 |
| 4104 | STRIKE | Sweetwater County, WY | Oil & Gas Property | Feb 2025 |
| 4105 | STRIPE CS FED | Campbell County, WY | Gas Property | Feb 2012 |
| 4106 | STUART | Campbell County, WY | Gas Property | Aug 2011 |
| 4107 | STUART | Campbell County, WY | Oil & Gas Property | Feb 2025 |
| 4108 | STUART | Campbell County, WY | Oil & Gas Property | Feb 2025 |
| 4109 | STUART FEDERAL | Campbell County, WY | Gas Property | Jun 2012 |
| 4110 | STUART FEDERAL | Campbell County, WY | Gas Property | Jul 2011 |
| 4111 | STUART-FEDERAL | Campbell County, WY | Gas Property | Jan 2010 |
| 4112 | STUD HORSE | Sublette County, WY | Oil & Gas Property | Jan 2025 |
| 4113 | SUBTHRUST C | Hot Springs County, WY | Oil & Gas Property | Feb 2025 |
| 4114 | SUCHAN | Campbell County, WY | Oil & Gas Property | Feb 2025 |
| 4115 | SUEDKAMP | Campbell County, WY | Gas Property | May 2012 |
| 4116 | SUGAR LOAF | Sublette County, WY | Oil & Gas Property | Nov 2021 |
| 4117 | SUGARLOAF | Sweetwater County, WY | Oil & Gas Property | Aug 2017 |
| 4118 | SUKEY CS STATE | Johnson County, WY | Gas Property | Apr 2014 |
| 4119 | SULTANA 23-62 23-14 | Goshen County, WY | Oil & Gas Property | Mar 2025 |
| 4120 | SUMMERFIELD | Campbell County, WY | Oil & Gas Property | Dec 2022 |
| 4121 | SUN DOG UNIT | Carbon County, WY | Gas Property | Jan 2025 |
| 4122 | SUN DOG UNIT 1691 | Carbon County, WY | Gas Property | Dec 2016 |
| 4123 | SUN RANCH | Natrona County, WY | Oil & Gas Property | Jan 2025 |
| 4124 | SUNDQUIST 9-34-71 USA A | Converse County, WY | Oil & Gas Property | Feb 2025 |
| 4125 | SUNDQUIST FLATS | Converse County, WY | Oil & Gas Property | Sep 1981 |
| 4126 | SUNDQUIST FLATS UNIT 34-72 1 | Converse County, WY | Oil & Gas Property | Feb 2025 |
| 4127 | SUNLIGHT 41-20 1H | Laramie County, WY | Oil & Gas Property | Feb 2025 |
| 4128 | SUNRISE CS FED | Campbell County, WY | Gas Property | Sep 2014 |
| 4129 | SUNRISE FED | Campbell County, WY | Oil & Gas Property | Feb 2025 |
| 4130 | SUPER BEE | Laramie County, WY | Oil & Gas Property | Feb 2025 |
| 4131 | SUPERHORNET | Campbell County, WY | Oil Property | Apr 2010 |
| 4132 | SUPERIOR | Campbell County, WY | Oil Property | Jan 1990 |
| 4133 | SURANYI | Sheridan County, WY | Gas Property | May 2012 |
| 4134 | SUSSEX | Johnson County, WY | Oil & Gas Property | Nov 2024 |
| 4135 | SUSSEX UNIT | Johnson County, WY | Oil & Gas Property | Apr 1986 |
| 4136 | SUSSEX WEST | Johnson County, WY | Oil & Gas Property | Feb 2025 |
| 4137 | SUSSEX WEST UNIT | Johnson County, WY | Oil Property | Oct 1986 |
| 4138 | SVALINA | Campbell County, WY | Oil & Gas Property | Apr 2010 |
| 4139 | SVALINA FED 14-17 | Campbell County, WY | Oil Property | Feb 2025 |
| 4140 | SWAN SOUTH | Sweetwater County, WY | Oil & Gas Property | Feb 2025 |
| 4141 | SWANSON | Campbell County, WY | Gas Property | Jan 2007 |
| 4142 | SWANSONG | Campbell County, WY | Gas Property | Nov 2013 |
| 4143 | SWINGHOLM FEDERAL | Campbell County, WY | Gas Property | Dec 2011 |
| 4144 | SWINYER 1 | Sheridan County, WY | Gas Property | Mar 2014 |
| 4145 | SYMONS | Sheridan County, WY | Gas Property | Mar 2014 |
| 4146 | T COSNER | Campbell County, WY | Oil & Gas Property | Feb 2025 |
| 4147 | T DUNNE | Fremont County, WY | Oil Property | Mar 2025 |
| 4148 | T SONNERS | Park County, WY | Oil & Gas Property | Feb 2025 |
| 4149 | T-55 FED 3 | Converse County, WY | Oil & Gas Property | Feb 2025 |
| 4150 | T-C RANCH 2S | Campbell County, WY | Gas Property | Jan 2025 |
| 4151 | T-CHAIR | Campbell County, WY | Oil & Gas Property | Feb 2025 |
| 4152 | T-CHAIR | Campbell County, WY | Gas Property | Jan 2025 |
| 4153 | T-CHAIR | Campbell County, WY | Gas Property | May 2015 |
| 4154 | TABLE 15-33-68 USA A | Converse County, WY | Oil & Gas Property | Feb 2025 |
| 4155 | TABLE MOUNTAIN UNIT | Johnson County, WY | Oil & Gas Property | Feb 2025 |
| 4156 | TABLE ROCK | Sweetwater County, WY | Oil & Gas Property | Feb 2025 |
| 4157 | TAGGART | Park County, WY | Oil & Gas Property | Sep 2019 |
| 4158 | TALISMAN | Campbell County, WY | Gas Property | Jan 2025 |
| 4159 | TALISMAN CS FED | Johnson County, WY | Gas Property | Dec 2019 |
| 4160 | TALLOW | Laramie County, WY | Oil & Gas Property | Feb 2025 |
| 4161 | TALLOW 3119 | Laramie County, WY | Oil & Gas Property | Feb 2025 |
| 4162 | TALMADGE | Laramie County, WY | Oil & Gas Property | Feb 2025 |
| 4163 | TALON FED 4271-1 | Campbell County, WY | Oil & Gas Property | Feb 2025 |
| 4164 | TALON UNIT | Fremont County, WY | Oil & Gas Property | Nov 2024 |
| 4165 | TANAGER 0705-1 | Campbell County, WY | Oil & Gas Property | Feb 2025 |
| 4166 | TANK ROCK FED | Campbell County, WY | Gas Property | Jul 2023 |
| 4167 | TANNER | Campbell County, WY | Oil & Gas Property | Feb 2025 |
| 4168 | TARGET FED 4176-17-20 | Johnson County, WY | Oil & Gas Property | Feb 2025 |
| 4169 | TARTERS ISLAND | Sublette County, WY | Oil & Gas Property | Feb 2025 |
| 4170 | TARVER | Campbell County, WY | Gas Property | May 2012 |
| 4171 | TATANKA | Johnson County, WY | Oil & Gas Property | Feb 2025 |
| 4172 | TAURUS | Converse County, WY | Oil & Gas Property | Feb 2025 |
| 4173 | TAYLOR | Campbell County, WY | Gas Property | May 2012 |
| 4174 | TAYLOR | Converse County, WY | Oil & Gas Property | Oct 2024 |
| 4175 | TAYLOR | Campbell County, WY | Oil & Gas Property | Apr 1993 |
| 4176 | TAYLOR | Uinta County, WY | Oil & Gas Property | Mar 2025 |
| 4177 | TAYLOR | Sheridan County, WY | Gas Property | Jun 2015 |
| 4178 | TAYLOR | Weston County, WY | Oil & Gas Property | Oct 2020 |
| 4179 | TCAT BW | Crook County, WY | Oil Property | Feb 2025 |
| 4180 | TCR DES MOINES FED 41-21 43-76BH | Campbell County, WY | Oil & Gas Property | Feb 2025 |
| 4181 | TCR ILLINOIS STATE 21-16 43-76H | Campbell County, WY | Oil & Gas Property | Feb 2025 |
| 4182 | TCR IOWA FEDERAL 34-21 43-76H | Campbell County, WY | Oil & Gas Property | Feb 2025 |
| 4183 | TCR JEFFERSON CITY FED 14-28/33 43-76BH | Campbell County, WY | Oil & Gas Property | Feb 2025 |
| 4184 | TCR MISSOURI FEDERAL 44-28/33 43-76BH | Campbell County, WY | Oil & Gas Property | Feb 2025 |
| 4185 | TCR NORTH CAROLINA FED 11-23 14 43-76BH | Campbell County, WY | Oil & Gas Property | Feb 2025 |
| 4186 | TCR SPRINGFIELD ST 24-16 43-76BH | Campbell County, WY | Oil & Gas Property | Feb 2025 |
| 4187 | TCR STATE 3 | Campbell County, WY | Oil & Gas Property | Feb 2025 |
| 4188 | TCT 2 B | Weston County, WY | Oil Property | Nov 1982 |
| 4189 | TCT 3B | Park County, WY | Oil & Gas Property | Feb 2025 |
| 4190 | TCT 4 CARROL ROYALTY | Weston County, WY | Oil & Gas Property | Jul 1982 |
| 4191 | TCU 1 | Crook County, WY | Oil & Gas Property | Feb 2025 |
| 4192 | TCU 2 | Crook County, WY | Oil Property | Feb 2025 |
| 4193 | TCU 3 | Crook County, WY | Oil Property | Feb 2025 |
| 4194 | TCU 4 | Crook County, WY | Oil & Gas Property | Feb 2025 |
| 4195 | TCU 5 | Crook County, WY | Oil & Gas Property | Feb 2025 |
| 4196 | TCU 6 | Crook County, WY | Oil & Gas Property | Feb 2025 |
| 4197 | TCU 7 | Crook County, WY | Oil & Gas Property | Feb 2025 |
| 4198 | TCU 8 | Crook County, WY | Oil & Gas Property | Feb 2025 |
| 4199 | TCU 9 | Crook County, WY | Oil & Gas Property | Feb 2025 |
| 4200 | TD SOUTHWEST CS ST | Campbell County, WY | Gas Property | Aug 2018 |