| 131101 | UNIT SEDGWICK PATENT | Weston County, WY | Oil & Gas Property | Sep 2008 |
| 131102 | UNIT STATE | Washakie County, WY | Oil & Gas Property | Sep 2025 |
| 131103 | UNIT STATE | Park County, WY | Oil & Gas Property | Sep 2025 |
| 131104 | UNIT STATE 0 | Johnson County, WY | Oil & Gas Property | Jul 1992 |
| 131105 | UNIT STATE 0-932 | Fremont County, WY | Oil & Gas Property | Sep 2025 |
| 131106 | UNIT TCT | Natrona County, WY | Oil & Gas Property | Dec 1984 |
| 131107 | UNIT W | Converse County, WY | Oil & Gas Property | Jun 2025 |
| 131108 | UNIT WAKEMAN | Weston County, WY | Oil & Gas Property | Feb 1991 |
| 131109 | UNIT WHITAKER | Laramie County, WY | Oil & Gas Property | Jan 2025 |
| 131110 | UNIT WOODS PATENT | Park County, WY | Oil & Gas Property | Jun 2025 |
| 131111 | UNIT-A PATENTED | Sweetwater County, WY | Oil & Gas Property | May 2016 |
| 131112 | UNITED | Los Angeles County, CA | Oil & Gas Property | Sep 2025 |
| 131113 | UNITED | Broomfield County, CO | Oil & Gas Property | Aug 2025 |
| 131114 | UNITED | Rio Blanco County, CO | Oil Property | Aug 2025 |
| 131115 | UNITED | Kern County, CA | Oil & Gas Property | Sep 2025 |
| 131116 | UNITED | Ventura County, CA | Oil & Gas Property | Jun 2018 |
| 131117 | UNITED | Kern County, CA | Oil & Gas Property | Sep 2025 |
| 131118 | UNITED 1 | Moore County, TX | Gas Property | Aug 2025 |
| 131119 | UNITED AFFIL | Logan County, WV | Gas Property | Dec 2021 |
| 131120 | UNITED BETHEL CHURCH | Knox County, OH | Oil Property | Dec 2024 |
| 131121 | UNITED BRETH | Acadia Parish, LA | Oil Property | Dec 2024 |
| 131122 | UNITED CALIFORNIA | Santa Barbara County, CA | Oil & Gas Property | Dec 2008 |
| 131123 | UNITED FUEL | Wayne County, WV | Oil & Gas Property | Dec 2021 |
| 131124 | UNITED FUEL | Lincoln County, WV | Gas Property | Dec 2021 |
| 131125 | UNITED FUEL | Lincoln County, WV | Oil & Gas Property | Dec 2021 |
| 131126 | UNITED FUEL GAS | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 131127 | UNITED FUEL GAS CO | Wayne County, WV | Oil & Gas Property | Jun 2020 |
| 131128 | UNITED FUEL GAS CO | Wayne County, WV | Gas Property | Dec 2021 |
| 131129 | UNITED FUEL GAS CO | Martin County, KY | Oil & Gas Property | Dec 2023 |
| 131130 | UNITED FUEL GAS CO | Kanawha County, WV | Gas Property | Dec 2021 |
| 131131 | UNITED FUEL GAS CO | Lincoln County, WV | Gas Property | Dec 2021 |
| 131132 | UNITED FUEL GAS CO | Roane County, WV | Gas Property | Dec 2021 |
| 131133 | UNITED LAND | Tuscaloosa County, AL | Gas Property | Jul 2025 |
| 131134 | UNITED LAND | Tuscaloosa County, AL | Gas Property | Jul 2025 |
| 131135 | UNITED METHODIST | Butler County, PA | Oil & Gas Property | Dec 2024 |
| 131136 | UNITED METHODIST CHURCH | Hocking County, OH | Oil & Gas Property | Dec 2024 |
| 131137 | UNITED NATURAL GAS CO O&G ALLEGHEN | Elk County, PA | Oil & Gas Property | Dec 2024 |
| 131138 | UNITED OIL | Caddo Parish, LA | Oil & Gas Property | Oct 2024 |
| 131139 | UNITED POCAHONTAS 1 | McDowell County, WV | Gas Property | Dec 2021 |
| 131140 | UNITED PRESBYTERIAN CHURCH | Dawson County, TX | Oil & Gas Property | Aug 2015 |
| 131141 | UNITED RESOURCES 1H | Harrison County, TX | Oil & Gas Property | Aug 2025 |
| 131142 | UNITED ROYALTY A | Lea County, NM | Oil & Gas Property | Sep 2025 |
| 131143 | UNITED STATES OF AMERICA FORT K | Meade County, KY | Gas Property | Dec 2023 |
| 131144 | UNITY CEMETERY ASS | Westmoreland County, PA | Gas Property | Dec 2024 |
| 131145 | UNITY LAND MGMT | Westmoreland County, PA | Gas Property | Dec 2024 |
| 131146 | UNIV | Crockett County, TX | Oil & Gas Property | Jul 2025 |
| 131147 | UNIV | Ward County, TX | Oil & Gas Property | Jun 2025 |
| 131148 | UNIV OF AL | Tuscaloosa County, AL | Gas Property | Jul 2025 |
| 131149 | UNIV OF TULSA | Marshall County, OK | Oil & Gas Property | Mar 2025 |
| 131150 | UNIV. CONSOLIDATED X | Andrews County, TX | Oil & Gas Property | Aug 2025 |
| 131151 | UNIV.-11-SEC.-1 | Andrews County, TX | Oil & Gas Property | Aug 2025 |
| 131152 | UNIV2 HR | Andrews County, TX | Oil & Gas Property | Aug 2025 |
| 131153 | UNIV3 VINCENT2 | Upton County, TX | Oil & Gas Property | Aug 2025 |
| 131154 | UNIV5 | Upton County, TX | Oil & Gas Property | Nov 2022 |
| 131155 | UNIV6 | Crockett County, TX | Oil & Gas Property | Aug 2025 |
| 131156 | UNIVANISTON | Crane County, TX | Oil & Gas Property | Aug 2025 |
| 131157 | UNIVBAILEY | Crane County, TX | Oil & Gas Property | Aug 2025 |
| 131158 | UNIVCARLA | Andrews County, TX | Oil & Gas Property | Jan 2025 |
| 131159 | UNIVDANA | Crockett County, TX | Oil & Gas Property | Aug 2025 |
| 131160 | UNIVERSAL | Rio Blanco County, CO | Gas Property | Jul 2022 |
| 131161 | UNIVERSAL ATLAS | Montgomery County, KS | Oil Property | Jun 2025 |
| 131162 | UNIVERSAL-TRUST | Los Angeles County, CA | Oil & Gas Property | Sep 2025 |
| 131163 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Aug 2025 |
| 131164 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Aug 2025 |
| 131165 | UNIVERSITY | Schleicher County, TX | Oil & Gas Property | Aug 2025 |
| 131166 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Sep 2012 |
| 131167 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Aug 2025 |
| 131168 | UNIVERSITY | Ward County, TX | Oil & Gas Property | Aug 2025 |
| 131169 | UNIVERSITY | Crane County, TX | Oil & Gas Property | Aug 2025 |
| 131170 | UNIVERSITY | Crane County, TX | Oil & Gas Property | Aug 2025 |
| 131171 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Aug 2025 |
| 131172 | UNIVERSITY | Pecos County, TX | Oil & Gas Property | Nov 2024 |
| 131173 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Aug 2025 |
| 131174 | UNIVERSITY | Winkler County, TX | Oil & Gas Property | Aug 2025 |
| 131175 | UNIVERSITY | Reagan County, TX | Oil & Gas Property | Aug 2025 |
| 131176 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Aug 2025 |
| 131177 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Aug 2025 |
| 131178 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Aug 2025 |
| 131179 | UNIVERSITY | Pecos County, TX | Oil Property | Jan 2021 |
| 131180 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Aug 2025 |
| 131181 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Nov 2010 |
| 131182 | UNIVERSITY | Pecos County, TX | Oil & Gas Property | Aug 2025 |
| 131183 | UNIVERSITY | Reagan County, TX | Oil & Gas Property | Aug 2025 |
| 131184 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Aug 2025 |
| 131185 | UNIVERSITY | Okfuskee County, OK | Oil & Gas Property | Jul 2025 |
| 131186 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Aug 2025 |
| 131187 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Aug 2025 |
| 131188 | UNIVERSITY | Schleicher County, TX | Oil & Gas Property | Aug 2025 |
| 131189 | UNIVERSITY | Ward County, TX | Oil & Gas Property | Mar 2011 |
| 131190 | UNIVERSITY | Martin County, TX | Oil & Gas Property | Aug 2025 |
| 131191 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Aug 2025 |
| 131192 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Aug 2025 |
| 131193 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Aug 2025 |
| 131194 | UNIVERSITY | Terrell County, TX | Oil & Gas Property | Aug 2025 |
| 131195 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Aug 2025 |
| 131196 | UNIVERSITY | Ward County, TX | Oil & Gas Property | Aug 2025 |
| 131197 | UNIVERSITY | Crane County, TX | Oil & Gas Property | Aug 2025 |
| 131198 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Jul 2025 |
| 131199 | UNIVERSITY | Pecos County, TX | Oil & Gas Property | Jun 2025 |
| 131200 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Aug 2025 |