| Property Name | Property Location | Property Type | Most Recent Production | |
|---|---|---|---|---|
| 101 | U.S. 33 | Chouteau County, MT | Gas Property | Sep 2025 |
| 102 | U.S. ARMY CORP OF ENG | Wyoming County, WV | Gas Property | Dec 2021 |
| 103 | U.S. ARMY CORP OF ENG. I. N. BROWN | Braxton County, WV | Oil & Gas Property | Dec 2021 |
| 104 | U.S. ARMY CORP. OF ENG | Lewis County, WV | Oil & Gas Property | Dec 2015 |
| 105 | U.S. DEPT. OF INTERIOR | Lewis County, WV | Gas Property | Dec 2021 |
| 106 | U.S. PIPE & FOUNDRY | Tuscaloosa County, AL | Gas Property | Sep 2025 |
| 107 | U.S. PIPE & FOUNDRY | Jefferson County, AL | Gas Property | Jan 2009 |
| 108 | U.S. PIPE & FOUNDRY #1 | Tuscaloosa County, AL | Gas Property | Jan 2017 |
| 109 | U.S. STEEL | Walker County, AL | Gas Property | Sep 2025 |
| 110 | U.S. STEEL | Jefferson County, AL | Gas Property | Sep 2025 |
| 111 | U.S. STEEL | Shelby County, AL | Gas Property | Dec 2000 |
| 112 | U.S. STEEL | Wyoming County, WV | Gas Property | Oct 2005 |
| 113 | U.S. STEEL | Mingo County, WV | Gas Property | Dec 2021 |
| 114 | U.S. STEEL | Fayette County, AL | Oil & Gas Property | Sep 2025 |
| 115 | U.S. STEEL 3 | Tuscaloosa County, AL | Gas Property | Sep 2025 |
| 116 | U.S. STEEL MINING CO | McDowell County, WV | Gas Property | Jun 1999 |
| 117 | U.S. STEEL MINING CO | Wyoming County, WV | Gas Property | Dec 2021 |
| 118 | U.S.-DIR 1 | Blaine County, MT | Gas Property | Sep 2025 |
| 119 | U.S.A. #1 | Bryan County, OK | Oil & Gas Property | Aug 2025 |
| 120 | U.S.A. 1 | Kern County, CA | Oil Property | Sep 2025 |
| 121 | U.S.A. 1 | Hocking County, OH | Oil & Gas Property | Dec 2024 |
| 122 | U.S.A. 2 | Kern County, CA | Oil Property | Sep 2025 |
| 123 | U.S.A. 5 | Kern County, CA | Oil Property | Aug 2011 |
| 124 | U.S.A. DOUBLE H 1 | Shelby County, TX | Oil & Gas Property | Sep 2025 |
| 125 | U.S.A. LB | Nacogdoches County, TX | Oil & Gas Property | Sep 2025 |
| 126 | U.S.A.-GUERRA B GAS UNIT | Starr County, TX | Oil & Gas Property | Sep 2025 |
| 127 | U.S.A.3 | Franklin County, MS | Oil & Gas Property | Sep 2025 |
| 128 | U.S.ARMY CORP OF ENG | Wayne County, WV | Gas Property | Dec 2021 |
| 129 | U.S.FISH&WILDLIFE S | Pleasants County, WV | Oil & Gas Property | Dec 2020 |
| 130 | U.S.L. 1 | Kern County, CA | Oil Property | Sep 2025 |
| 131 | U.S.L. 1 | Kern County, CA | Oil Property | Oct 2025 |
| 132 | U.S.L. 2 | Kern County, CA | Oil Property | Oct 2025 |
| 133 | U.S.L. 2 | Kern County, CA | Oil Property | Sep 2025 |
| 134 | U.S.L. 3 | Kern County, CA | Oil Property | Oct 2025 |
| 135 | U.S.L. 3 | Kern County, CA | Oil Property | Sep 2025 |
| 136 | U.S.L. 4 | Kern County, CA | Oil Property | Nov 2021 |
| 137 | U.S.L. 4 | Kern County, CA | Oil Property | Sep 2025 |
| 138 | U.S.L. 5 | Kern County, CA | Oil Property | Sep 2025 |
| 139 | U.S.L. 6 | Kern County, CA | Oil Property | Sep 2025 |
| 140 | U.S.L. 7 | Kern County, CA | Oil Property | Sep 2025 |
| 141 | U.S.L. 8 | Kern County, CA | Oil & Gas Property | Sep 2025 |
| 142 | U.S.STEEL MINING | Wyoming County, WV | Gas Property | Dec 2021 |
| 143 | U.S.X. CORP | Jefferson County, AL | Gas Property | Aug 1990 |
| 144 | U.S.X.-TAURUS-88-18-06 | Jefferson County, AL | Gas Property | Sep 2025 |
| 145 | U.T. 3064 A | Irion County, TX | Oil & Gas Property | Sep 2025 |
| 146 | U.V.I. FEDERAL 3-33 | Billings County, ND | Oil & Gas Property | Oct 2025 |
| 147 | UA 88 | Jefferson County, AL | Gas Property | Mar 2022 |
| 148 | UA-04-19-07-02 | Jefferson County, AL | Gas Property | Sep 2025 |
| 149 | UA-TAURUS | Jefferson County, AL | Gas Property | Jun 2025 |
| 150 | UB 13 | Andrews County, TX | Oil & Gas Property | Sep 2025 |
| 151 | UBER | Indiana County, PA | Gas Property | Dec 2024 |
| 152 | UBERNOSKY | Burleson County, TX | Oil & Gas Property | Aug 2025 |
| 153 | UBERT | Ellis County, KS | Oil Property | Jun 2025 |
| 154 | UC MILES | Clarion County, PA | Gas Property | Dec 2024 |
| 155 | UCBH WW FEDERAL | Eddy County, NM | Oil & Gas Property | Oct 2019 |
| 156 | UCKER | Hocking County, OH | Oil & Gas Property | Dec 2024 |
| 157 | UCLI | Renville County, ND | Oil Property | Aug 2020 |
| 158 | UCLI | Petroleum County, MT | Oil Property | Sep 2025 |
| 159 | UCLI-SISK | Bottineau County, ND | Oil & Gas Property | Feb 2003 |
| 160 | UCLI-STRATTON | Bottineau County, ND | Oil & Gas Property | Oct 2025 |
| 161 | UCOLO | San Juan County, UT | Oil & Gas Property | Jul 2024 |
| 162 | UCROSS CS FED | Campbell County, WY | Gas Property | Oct 2014 |
| 163 | UDECK | Carroll County, OH | Oil & Gas Property | Dec 2024 |
| 164 | UDF 50 | Kern County, CA | Oil & Gas Property | Oct 1987 |
| 165 | UEHLIN | Decatur County, KS | Oil Property | Dec 2024 |
| 166 | UEHLING | Hodgeman County, KS | Oil Property | May 2025 |
| 167 | UEHLING | Ness County, KS | Oil Property | Jun 2025 |
| 168 | UEHLING | Ness County, KS | Oil Property | May 2025 |
| 169 | UERLING | Sequoyah County, OK | Gas Property | May 2013 |
| 170 | UGA (AW) 1H | Harrison County, TX | Oil & Gas Property | Sep 2025 |
| 171 | UGLIUZZA (05-006 | Bradford County, PA | Gas Property | Sep 2025 |
| 172 | UGLY | Ward County, TX | Oil & Gas Property | Sep 2025 |
| 173 | UGLY STIK STATE | Eddy County, NM | Oil & Gas Property | Apr 2010 |
| 174 | UHL 1 | Comanche County, KS | Oil Property | Jun 2025 |
| 175 | UHL JACOB | Holmes County, OH | Oil Property | Dec 2012 |
| 176 | UHL RICHARD | Holmes County, OH | Oil & Gas Property | Dec 2019 |
| 177 | UHL WELDON | Holmes County, OH | Oil Property | Dec 2020 |
| 178 | UHLAND | Wichita County, KS | Oil Property | May 2025 |
| 179 | UHLENHAKE | Kingfisher County, OK | Oil & Gas Property | Jul 2022 |
| 180 | UHLMAN 1-7H | McKenzie County, ND | Oil & Gas Property | Oct 2025 |
| 181 | UHLMAN FEDERAL | McKenzie County, ND | Oil & Gas Property | Oct 2025 |
| 182 | UHLS | Chautauqua County, KS | Oil Property | Jan 1992 |
| 183 | UHOUSE 05 081 0 | Bradford County, PA | Gas Property | Sep 2025 |
| 184 | UHREN | Wilson County, KS | Gas Property | Jun 2025 |
| 185 | UHRICH | Weld County, CO | Oil & Gas Property | Feb 2019 |
| 186 | UHRICH | Weld County, CO | Oil & Gas Property | May 2017 |
| 187 | UHRICH | Weld County, CO | Oil & Gas Property | Sep 2016 |
| 188 | UHRICH | Trego County, KS | Oil Property | Jun 2025 |
| 189 | UHRICH | Weld County, CO | Oil & Gas Property | Feb 2022 |
| 190 | UHRICH 33 | Graham County, KS | Oil Property | Jun 2025 |
| 191 | UINTA | Reeves County, TX | Oil & Gas Property | Sep 2025 |
| 192 | UINTA OURAY 1-1A3 | Duchesne County, UT | Oil & Gas Property | Sep 2025 |
| 193 | UINTAH OIL ASS | Uintah County, UT | Oil & Gas Property | May 2015 |
| 194 | UITTS | Montgomery County, KS | Gas Property | Jun 2025 |
| 195 | UKENS | Stafford County, KS | Oil & Gas Property | Aug 1993 |
| 196 | UKULELE 149-94-02C-01H | McKenzie County, ND | Oil & Gas Property | Oct 2025 |
| 197 | UL 0312 | Martin County, TX | Oil & Gas Property | Sep 2025 |
| 198 | UL 10 | Andrews County, TX | Oil & Gas Property | Sep 2025 |
| 199 | UL 10 LIVINGSTON | Andrews County, TX | Oil & Gas Property | Sep 2025 |
| 200 | UL 10 TRINITY | Andrews County, TX | Oil & Gas Property | Sep 2025 |