| 4001 | T-55 FED 3 | Converse County, WY | Oil & Gas Property | May 2026 |
| 4002 | T-C RANCH 2S | Campbell County, WY | Gas Property | Apr 2026 |
| 4003 | T-CHAIR | Campbell County, WY | Oil & Gas Property | May 2026 |
| 4004 | T-CHAIR | Campbell County, WY | Gas Property | May 2015 |
| 4005 | T-COSNER | Campbell County, WY | Oil & Gas Property | May 2026 |
| 4006 | TABLE 15-33-68 USA A | Converse County, WY | Oil & Gas Property | Apr 2026 |
| 4007 | TABLE MOUNTAIN UNIT | Johnson County, WY | Oil & Gas Property | May 2026 |
| 4008 | TABLE ROCK | Sweetwater County, WY | Oil & Gas Property | Apr 2026 |
| 4009 | TAGGART | Park County, WY | Oil & Gas Property | Sep 2019 |
| 4010 | TALISMAN | Campbell County, WY | Gas Property | Apr 2026 |
| 4011 | TALISMAN CS FED | Johnson County, WY | Gas Property | Dec 2019 |
| 4012 | TALLOW | Laramie County, WY | Oil & Gas Property | May 2026 |
| 4013 | TALLOW 3119 | Laramie County, WY | Oil & Gas Property | May 2026 |
| 4014 | TALMADGE | Laramie County, WY | Oil & Gas Property | May 2026 |
| 4015 | TALON FED 4271-1 | Campbell County, WY | Oil & Gas Property | May 2026 |
| 4016 | TALON UNIT | Fremont County, WY | Oil & Gas Property | Oct 2025 |
| 4017 | TANAGER 0705-1 | Campbell County, WY | Oil & Gas Property | May 2026 |
| 4018 | TANK ROCK FED | Campbell County, WY | Gas Property | Jul 2023 |
| 4019 | TANNER | Campbell County, WY | Oil & Gas Property | Apr 2026 |
| 4020 | TARTERS ISLAND | Sublette County, WY | Oil & Gas Property | May 2026 |
| 4021 | TARVER | Campbell County, WY | Gas Property | May 2012 |
| 4022 | TATANKA | Johnson County, WY | Oil & Gas Property | May 2026 |
| 4023 | TAURUS | Converse County, WY | Oil & Gas Property | Apr 2026 |
| 4024 | TAYLOR | Campbell County, WY | Gas Property | May 2012 |
| 4025 | TAYLOR | Converse County, WY | Oil & Gas Property | Oct 2024 |
| 4026 | TAYLOR | Campbell County, WY | Oil & Gas Property | Apr 1993 |
| 4027 | TAYLOR | Uinta County, WY | Oil & Gas Property | Apr 2026 |
| 4028 | TAYLOR | Sheridan County, WY | Gas Property | Jun 2015 |
| 4029 | TAYLOR | Weston County, WY | Oil & Gas Property | Oct 2020 |
| 4030 | TCAT BW | Crook County, WY | Oil Property | Apr 2026 |
| 4031 | TCT 2 B | Weston County, WY | Oil Property | Nov 1982 |
| 4032 | TCT 3B | Park County, WY | Oil & Gas Property | May 2026 |
| 4033 | TCT 4 CARROL ROYALTY | Weston County, WY | Oil & Gas Property | Jul 1982 |
| 4034 | TCU 1 | Crook County, WY | Oil & Gas Property | May 2026 |
| 4035 | TCU 2 | Crook County, WY | Oil Property | May 2026 |
| 4036 | TCU 3 | Crook County, WY | Oil Property | May 2026 |
| 4037 | TCU 4 | Crook County, WY | Oil & Gas Property | May 2026 |
| 4038 | TCU 5 | Crook County, WY | Oil & Gas Property | May 2026 |
| 4039 | TCU 6 | Crook County, WY | Oil & Gas Property | May 2026 |
| 4040 | TCU 7 | Crook County, WY | Oil & Gas Property | May 2026 |
| 4041 | TCU 8 | Crook County, WY | Oil & Gas Property | May 2026 |
| 4042 | TCU 9 | Crook County, WY | Oil & Gas Property | May 2026 |
| 4043 | TD SOUTHWEST CS ST | Campbell County, WY | Gas Property | Aug 2018 |
| 4044 | TEAR DROP | Johnson County, WY | Oil & Gas Property | May 2026 |
| 4045 | TEAR DROP | Johnson County, WY | Gas Property | Apr 2026 |
| 4046 | TEEPEE POLE FLATS 4074-32-29-1 | Converse County, WY | Oil & Gas Property | May 2026 |
| 4047 | TELLURIDE 2833 | Campbell County, WY | Oil & Gas Property | May 2026 |
| 4048 | TELLURIDE 3328 | Campbell County, WY | Oil & Gas Property | May 2026 |
| 4049 | TENNECO | Weston County, WY | Oil & Gas Property | Mar 2026 |
| 4050 | TENNECO | Washakie County, WY | Oil & Gas Property | May 2026 |
| 4051 | TENNECO | Weston County, WY | Oil & Gas Property | May 2026 |
| 4052 | TENNECO-GOVT | Washakie County, WY | Oil & Gas Property | Jul 2015 |
| 4053 | TENSLEEP | Washakie County, WY | Oil & Gas Property | May 2026 |
| 4054 | TENSLEEP | Park County, WY | Oil Property | Jan 1984 |
| 4055 | TERRA | Campbell County, WY | Oil & Gas Property | Apr 2026 |
| 4056 | TERRY FEE 1-31 | Crook County, WY | Oil Property | May 2026 |
| 4057 | TEX FED 4271-17 | Campbell County, WY | Oil & Gas Property | May 2026 |
| 4058 | TEXACO | Weston County, WY | Oil & Gas Property | May 2026 |
| 4059 | TEXAS SON | Park County, WY | Oil & Gas Property | May 2026 |
| 4060 | THEO FE | Converse County, WY | Oil & Gas Property | Apr 2026 |
| 4061 | THERMAL SYN W-67877 13-23 | Crook County, WY | Oil Property | Jun 2026 |
| 4062 | THIEF CREEK | Uinta County, WY | Oil & Gas Property | Apr 2026 |
| 4063 | THIELEN | Campbell County, WY | Oil & Gas Property | May 2026 |
| 4064 | THIELEN 2 | Campbell County, WY | Gas Property | Sep 2008 |
| 4065 | THOLSON | Campbell County, WY | Oil & Gas Property | May 2026 |
| 4066 | THOLSON | Campbell County, WY | Oil & Gas Property | Aug 1989 |
| 4067 | THOMAS ROUNDS | Crook County, WY | Oil Property | May 2024 |
| 4068 | THOMASON | Converse County, WY | Oil & Gas Property | May 2026 |
| 4069 | THOMPSON | Crook County, WY | Oil Property | Jul 1995 |
| 4070 | THOMPSON | Campbell County, WY | Oil & Gas Property | Aug 2014 |
| 4071 | THOMPSON | Uinta County, WY | Oil & Gas Property | Apr 2026 |
| 4072 | THOMPSON | Crook County, WY | Oil & Gas Property | May 2026 |
| 4073 | THOMPSON | Campbell County, WY | Oil Property | Dec 2015 |
| 4074 | THOMPSON | Sublette County, WY | Oil & Gas Property | May 2026 |
| 4075 | THOMPSON | Niobrara County, WY | Oil & Gas Property | May 2026 |
| 4076 | THOMPSON | Weston County, WY | Oil & Gas Property | May 2026 |
| 4077 | THOMPSON CREEK UNIT | Crook County, WY | Oil & Gas Property | May 2026 |
| 4078 | THOMPSON FED | Campbell County, WY | Oil & Gas Property | Jun 2026 |
| 4079 | THOMSON | Campbell County, WY | Oil & Gas Property | Oct 2009 |
| 4080 | THORNTON | Weston County, WY | Oil Property | Feb 2026 |
| 4081 | THORSON | Weston County, WY | Oil & Gas Property | Jun 1994 |
| 4082 | THORSON UNIT | Weston County, WY | Oil & Gas Property | May 2026 |
| 4083 | THREEMILE | Sweetwater County, WY | Oil & Gas Property | May 2026 |
| 4084 | THREEMILE CREEK | Campbell County, WY | Gas Property | May 2008 |
| 4085 | THRONE | Campbell County, WY | Gas Property | Aug 2011 |
| 4086 | THRONE | Campbell County, WY | Gas Property | Oct 2010 |
| 4087 | THRONE | Campbell County, WY | Gas Property | Nov 2025 |
| 4088 | THRONE ANDERSON | Campbell County, WY | Gas Property | Nov 2025 |
| 4089 | THRONE RANCH | Campbell County, WY | Oil & Gas Property | May 2026 |
| 4090 | THRONE RANCH | Campbell County, WY | Gas Property | Apr 2026 |
| 4091 | THRUSH | Campbell County, WY | Gas Property | Mar 2004 |
| 4092 | THRUSH C | Campbell County, WY | Gas Property | Feb 2014 |
| 4093 | THUMPER CS FED | Campbell County, WY | Gas Property | Sep 2014 |
| 4094 | THUNDER | Converse County, WY | Oil & Gas Property | May 2026 |
| 4095 | THUNDER BASIN | Campbell County, WY | Oil & Gas Property | Jan 2026 |
| 4096 | THUNDER BASIN 15 | Campbell County, WY | Gas Property | Aug 2015 |
| 4097 | THUNDER CR | Campbell County, WY | Oil & Gas Property | May 2026 |
| 4098 | THUNDERBIRD | Laramie County, WY | Oil & Gas Property | May 2026 |
| 4099 | TIBURON | Campbell County, WY | Oil & Gas Property | May 2026 |
| 4100 | TIBURON | Campbell County, WY | Oil & Gas Property | May 2026 |