| 129001 | UPV 3 | Adams County, CO | Oil & Gas Property | Apr 2019 |
| 129002 | UPV 5 | Weld County, CO | Oil & Gas Property | Apr 2017 |
| 129003 | UPV 7 | Adams County, CO | Oil & Gas Property | Dec 2018 |
| 129004 | URAL | Shelby County, TX | Oil & Gas Property | Feb 2026 |
| 129005 | URAN | Mountrail County, ND | Oil & Gas Property | Feb 2026 |
| 129006 | URAN | Mountrail County, ND | Oil & Gas Property | Feb 2026 |
| 129007 | URAN | Mountrail County, ND | Oil & Gas Property | Feb 2026 |
| 129008 | URAN 31-2H | Mountrail County, ND | Oil & Gas Property | Feb 2026 |
| 129009 | URAN FEDERAL 2 | Mountrail County, ND | Oil & Gas Property | Feb 2026 |
| 129010 | URANIA | Lasalle Parish, LA | Oil & Gas Property | May 2022 |
| 129011 | URANIA | Lasalle Parish, LA | Oil Property | Jan 2025 |
| 129012 | URANIA C-SHEMEN | Lasalle Parish, LA | Oil Property | Jan 2025 |
| 129013 | URANIA LUMBER | Lasalle Parish, LA | Oil & Gas Property | Jan 2025 |
| 129014 | URANINITE 32 33 STATE FEDERAL COM | Eddy County, NM | Oil & Gas Property | Feb 2026 |
| 129015 | URBAN | Liberty County, TX | Oil & Gas Property | Feb 2026 |
| 129016 | URBAN | Reno County, KS | Oil & Gas Property | Dec 2025 |
| 129017 | URBAN | Austin County, TX | Oil & Gas Property | Sep 1994 |
| 129018 | URBAN | Woods County, OK | Oil & Gas Property | Feb 2026 |
| 129019 | URBAN | Ellis County, KS | Oil Property | Jul 2025 |
| 129020 | URBAN | Rush County, KS | Oil & Gas Property | Dec 2025 |
| 129021 | URBAN | Bastrop County, TX | Oil & Gas Property | Nov 2022 |
| 129022 | URBAN | Ellis County, KS | Oil Property | Sep 2025 |
| 129023 | URBAN 2-36H | Billings County, ND | Oil & Gas Property | Feb 2026 |
| 129024 | URBAN 44-11 | Williams County, ND | Oil & Gas Property | Feb 2026 |
| 129025 | URBAN 7 | Graham County, KS | Oil Property | Dec 2025 |
| 129026 | URBAN CS | Campbell County, WY | Gas Property | Feb 2019 |
| 129027 | URBAN HELBERG | Garfield County, OK | Oil & Gas Property | Apr 2020 |
| 129028 | URBAN JONES 122 | Ochiltree County, TX | Oil & Gas Property | Feb 2026 |
| 129029 | URBAN ROBERT H | Ochiltree County, TX | Oil & Gas Property | Feb 2026 |
| 129030 | URBAN-BRACEY OU #1 | Austin County, TX | Oil & Gas Property | Feb 2026 |
| 129031 | URBANCZYK | Gray County, TX | Gas Property | Feb 2026 |
| 129032 | URBANCZYK | Gray County, TX | Oil & Gas Property | Aug 2025 |
| 129033 | URBANCZYK | Carson County, TX | Oil & Gas Property | Feb 2026 |
| 129034 | URBANCZYK | Wilson County, TX | Oil & Gas Property | Feb 2026 |
| 129035 | URBANCZYK -B | Carson County, TX | Gas Property | Feb 2026 |
| 129036 | URBANCZYK UNIT | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 129037 | URBANICK | Crawford County, PA | Oil & Gas Property | Dec 2025 |
| 129038 | URBANOVSKY UNIT | Burleson County, TX | Oil & Gas Property | Jan 2026 |
| 129039 | URBANSKY #1 | Cleveland County, OK | Oil & Gas Property | Feb 2026 |
| 129040 | URCHISON | Le Flore County, OK | Gas Property | Jan 2026 |
| 129041 | URHO 11-36H | Mountrail County, ND | Oil & Gas Property | Feb 2026 |
| 129042 | URIAH GEORGE 328 | Clarion County, PA | Gas Property | Dec 2024 |
| 129043 | URIAH OL | Grimes County, TX | Oil & Gas Property | Feb 2026 |
| 129044 | URIBE | Zapata County, TX | Oil & Gas Property | Feb 2026 |
| 129045 | URIBE | Zapata County, TX | Oil & Gas Property | Feb 2026 |
| 129046 | URIBE | Zapata County, TX | Oil & Gas Property | Feb 2026 |
| 129047 | URIBE AURELIANO HEIRS | Zapata County, TX | Oil & Gas Property | Feb 2026 |
| 129048 | URIBE FAMILY TRUST | Zapata County, TX | Oil & Gas Property | Feb 2026 |
| 129049 | URIBE ROGELIO A A | Zapata County, TX | Oil & Gas Property | Aug 2018 |
| 129050 | URIBE SERAFIN | Zapata County, TX | Oil & Gas Property | Feb 2026 |
| 129051 | URIBE, ROSITA | Webb County, TX | Oil & Gas Property | Feb 2026 |
| 129052 | URIBE-M DEMARTINEZ GAS UNIT 1 | Zapata County, TX | Gas Property | Feb 2026 |
| 129053 | URICE | Cotton County, OK | Oil & Gas Property | Dec 2025 |
| 129054 | URIE GAS UNIT | Kearny County, KS | Gas Property | Dec 2025 |
| 129055 | URQUHART | Pittsburg County, OK | Gas Property | Jan 2026 |
| 129056 | URQUHART | McIntosh County, OK | Gas Property | Jan 2026 |
| 129057 | URQUIDEZ | Eddy County, NM | Oil & Gas Property | Aug 2023 |
| 129058 | URRACA 11 AV FEDERAL COM | Lea County, NM | Oil & Gas Property | Feb 2026 |
| 129059 | URRACA 11 SB FEDERAL | Lea County, NM | Oil & Gas Property | Feb 2026 |
| 129060 | URRACA FEDERAL | Lea County, NM | Oil & Gas Property | Feb 2026 |
| 129061 | URRUTIA UNIT | Karnes County, TX | Oil & Gas Property | Feb 2026 |
| 129062 | URSA 27 B2EH FEDERAL COM | Eddy County, NM | Oil & Gas Property | Feb 2026 |
| 129063 | URSA 27 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Feb 2026 |
| 129064 | URSA MAJOR | Butler County, PA | Gas Property | Feb 2026 |
| 129065 | URSA MAJOR 8 FEDERAL | Lea County, NM | Oil & Gas Property | Feb 2026 |
| 129066 | URSA MINOR | Butler County, PA | Gas Property | Feb 2026 |
| 129067 | URSA MINOR 400D 15-15H | Converse County, WY | Oil & Gas Property | Feb 2026 |
| 129068 | URSCHEL | Hemphill County, TX | Oil & Gas Property | Feb 2026 |
| 129069 | URSCHEL | Creek County, OK | Oil Property | Jan 2020 |
| 129070 | URSCHEL C.F | Starr County, TX | Oil & Gas Property | Jul 2019 |
| 129071 | URSULA | Howard County, TX | Oil & Gas Property | Feb 2026 |
| 129072 | URSULA BIG DADDY | Howard County, TX | Oil & Gas Property | Feb 2026 |
| 129073 | URSULA TOMCAT | Howard County, TX | Oil & Gas Property | Feb 2026 |
| 129074 | URSULINE NUNS | Mahoning County, OH | Oil & Gas Property | Dec 2024 |
| 129075 | URSUS 1-20H | Dunn County, ND | Oil & Gas Property | Feb 2026 |
| 129076 | US 1-2 | Billings County, ND | Oil & Gas Property | Feb 2026 |
| 129077 | US 13 FEDERAL | Eddy County, NM | Oil & Gas Property | Sep 2024 |
| 129078 | US 3-1 | Billings County, ND | Oil & Gas Property | Feb 2026 |
| 129079 | US ARMY CORP OF ENGINEER | Lewis County, WV | Oil & Gas Property | Dec 2021 |
| 129080 | US ARMY CORP OF ENGINEER | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 129081 | US ARMY CORP OF ENGINEERS | Wyoming County, WV | Gas Property | Dec 2021 |
| 129082 | US ARMY CORP OF ENGINEERS | Wyoming County, WV | Gas Property | Dec 2021 |
| 129083 | US ARMY CORPS OF ENGINEER | Lewis County, WV | Oil & Gas Property | Dec 2021 |
| 129084 | US FOREST SERVICE | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 129085 | US FOREST SERVICE COLLINS PINE | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 129086 | US GOVERNMENT | Morton County, KS | Gas Property | Dec 2025 |
| 129087 | US GOVERNMENT | Pittsburg County, OK | Gas Property | Jan 2026 |
| 129088 | US GOVERNMENT 'C' | Morton County, KS | Oil & Gas Property | Dec 2025 |
| 129089 | US GOVERNMENT NAT | Warren County, PA | Oil & Gas Property | Dec 2017 |
| 129090 | US LIME | Johnson County, TX | Oil & Gas Property | Feb 2026 |
| 129091 | US MILL | Union County, AR | Oil & Gas Property | Jun 2007 |
| 129092 | US NATURAL RESOURCES | Washington County, PA | Gas Property | Feb 2026 |
| 129093 | US STEEL MINING CO | Wyoming County, WV | Gas Property | Dec 2001 |
| 129094 | US-DIR | Blaine County, MT | Gas Property | Mar 2026 |
| 129095 | US-DIR | Blaine County, MT | Gas Property | Mar 2026 |
| 129096 | US-DIR | Blaine County, MT | Gas Property | Mar 2026 |
| 129097 | USA 'B' | Kearny County, KS | Gas Property | Dec 2025 |
| 129098 | USA 'D' | Finney County, KS | Gas Property | Dec 2025 |
| 129099 | USA 'K' | Morton County, KS | Oil & Gas Property | Dec 2003 |
| 129100 | USA (PARCEL | Bossier Parish, LA | Oil & Gas Property | Dec 2024 |