| 131301 | UPRR 48 PAN AM | Adams County, CO | Oil & Gas Property | Dec 2025 |
| 131302 | UPRR 50 PAN | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 131303 | UPRR 53 PAN AM | Weld County, CO | Oil & Gas Property | Mar 2020 |
| 131304 | UPRR 60 PAN AM | Adams County, CO | Oil & Gas Property | Sep 2021 |
| 131305 | UPRR 62 PAN AM | Weld County, CO | Oil & Gas Property | Apr 2017 |
| 131306 | UPRR BERGREN | Weld County, CO | Oil & Gas Property | Jan 2017 |
| 131307 | UPRR FOREST ARCH | Sweetwater County, WY | Oil & Gas Property | Jul 2024 |
| 131308 | UPRR SIDEBOTTOM | Cheyenne County, CO | Gas Property | Nov 2000 |
| 131309 | UPRR-AMOCO | Carbon County, WY | Oil & Gas Property | Dec 1985 |
| 131310 | UPRR-AMOCO 3 | Elbert County, CO | Oil & Gas Property | May 2006 |
| 131311 | UPRR-EHN | Adams County, CO | Oil Property | Aug 2021 |
| 131312 | UPRR-HABEL | Adams County, CO | Oil & Gas Property | May 2018 |
| 131313 | UPRR-HOLMQUIST | Adams County, CO | Oil & Gas Property | Dec 2025 |
| 131314 | UPRR-LINNEBUR | Adams County, CO | Oil & Gas Property | Nov 2020 |
| 131315 | UPRR-TALBOT | Albany County, WY | Oil Property | Jan 2026 |
| 131316 | UPSHAW | Stonewall County, TX | Oil & Gas Property | Nov 2025 |
| 131317 | UPSHUR PROPERTY INC | Upshur County, WV | Oil & Gas Property | Dec 2021 |
| 131318 | UPSLOPE FEDERAL COM | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 131319 | UPTEGROVE | San Juan County, NM | Gas Property | Jan 2026 |
| 131320 | UPTEGROVE GAS COM | San Juan County, NM | Oil & Gas Property | Jan 2026 |
| 131321 | UPTON | Upton County, TX | Oil & Gas Property | Dec 2025 |
| 131322 | UPTON | Allen County, KS | Oil Property | May 1997 |
| 131323 | UPTON | Upton County, TX | Oil & Gas Property | Dec 2025 |
| 131324 | UPTON | Upton County, TX | Oil & Gas Property | Dec 2025 |
| 131325 | UPTON | Upton County, TX | Oil & Gas Property | Feb 2022 |
| 131326 | UPTON UNIT | Hitchcock County, NE | Oil Property | Dec 2024 |
| 131327 | UPV 13 | Weld County, CO | Oil & Gas Property | Jun 2024 |
| 131328 | UPV 2 | Adams County, CO | Oil & Gas Property | Apr 2019 |
| 131329 | UPV 2 | Weld County, CO | Oil & Gas Property | Jul 2023 |
| 131330 | UPV 2 | Weld County, CO | Oil & Gas Property | Sep 2019 |
| 131331 | UPV 27 | Weld County, CO | Oil & Gas Property | Feb 2014 |
| 131332 | UPV 3 | Weld County, CO | Oil & Gas Property | Jun 2020 |
| 131333 | UPV 3 | Weld County, CO | Oil & Gas Property | Apr 2017 |
| 131334 | UPV 3 | Weld County, CO | Oil & Gas Property | Apr 2017 |
| 131335 | UPV 3 | Adams County, CO | Oil & Gas Property | Apr 2019 |
| 131336 | UPV 5 | Weld County, CO | Oil & Gas Property | Apr 2017 |
| 131337 | UPV 7 | Adams County, CO | Oil & Gas Property | Dec 2018 |
| 131338 | URAL | Shelby County, TX | Oil & Gas Property | Dec 2025 |
| 131339 | URAN | Mountrail County, ND | Oil & Gas Property | Jan 2026 |
| 131340 | URAN | Mountrail County, ND | Oil & Gas Property | Jan 2026 |
| 131341 | URAN | Mountrail County, ND | Oil & Gas Property | Jan 2026 |
| 131342 | URAN 31-2H | Mountrail County, ND | Oil & Gas Property | Jan 2026 |
| 131343 | URAN FEDERAL 2 | Mountrail County, ND | Oil & Gas Property | Jan 2026 |
| 131344 | URANIA | Lasalle Parish, LA | Oil & Gas Property | Jun 2022 |
| 131345 | URANIA | Lasalle Parish, LA | Oil Property | Jan 2025 |
| 131346 | URANIA C-SHEMEN | Lasalle Parish, LA | Oil Property | Jan 2025 |
| 131347 | URANIA LUMBER | Lasalle Parish, LA | Oil & Gas Property | Jan 2025 |
| 131348 | URANINITE 32 33 STATE FEDERAL COM | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 131349 | URBAN | Liberty County, TX | Oil & Gas Property | Dec 2025 |
| 131350 | URBAN | Reno County, KS | Oil & Gas Property | Sep 2025 |
| 131351 | URBAN | Austin County, TX | Oil & Gas Property | Sep 1994 |
| 131352 | URBAN | Woods County, OK | Oil & Gas Property | Jan 2026 |
| 131353 | URBAN | Ellis County, KS | Oil Property | Jul 2025 |
| 131354 | URBAN | Rush County, KS | Oil & Gas Property | Sep 2025 |
| 131355 | URBAN | Bastrop County, TX | Oil & Gas Property | Nov 2022 |
| 131356 | URBAN | Ellis County, KS | Oil Property | Sep 2025 |
| 131357 | URBAN 2-36H | Billings County, ND | Oil & Gas Property | Jan 2026 |
| 131358 | URBAN 44-11 | Williams County, ND | Oil & Gas Property | Jan 2026 |
| 131359 | URBAN CS | Campbell County, WY | Gas Property | Feb 2019 |
| 131360 | URBAN HELBERG | Garfield County, OK | Oil & Gas Property | Apr 2020 |
| 131361 | URBAN JONES 122 | Ochiltree County, TX | Oil & Gas Property | Dec 2025 |
| 131362 | URBAN ROBERT H | Ochiltree County, TX | Oil & Gas Property | Dec 2025 |
| 131363 | URBAN-BRACEY OU #1 | Austin County, TX | Oil & Gas Property | Dec 2025 |
| 131364 | URBANCZYK | Gray County, TX | Gas Property | Dec 2025 |
| 131365 | URBANCZYK | Gray County, TX | Oil & Gas Property | Aug 2025 |
| 131366 | URBANCZYK | Carson County, TX | Oil & Gas Property | Dec 2025 |
| 131367 | URBANCZYK -B | Carson County, TX | Gas Property | Dec 2025 |
| 131368 | URBANCZYK UNIT | Karnes County, TX | Oil & Gas Property | Dec 2025 |
| 131369 | URBANICK | Crawford County, PA | Oil & Gas Property | Dec 2025 |
| 131370 | URBANOSKY | Burleson County, TX | Oil & Gas Property | Nov 2025 |
| 131371 | URBANOVSKY UNIT | Burleson County, TX | Oil & Gas Property | Nov 2025 |
| 131372 | URBANSKY #1 | Cleveland County, OK | Oil & Gas Property | Jan 2026 |
| 131373 | URCHISON | Le Flore County, OK | Gas Property | Dec 2025 |
| 131374 | URHO 11-36H | Mountrail County, ND | Oil & Gas Property | Jan 2026 |
| 131375 | URIAH GEORGE 328 | Clarion County, PA | Gas Property | Dec 2024 |
| 131376 | URIAH OL | Grimes County, TX | Oil & Gas Property | Dec 2025 |
| 131377 | URIBE | Zapata County, TX | Oil & Gas Property | Dec 2025 |
| 131378 | URIBE | Zapata County, TX | Oil & Gas Property | Dec 2025 |
| 131379 | URIBE | Zapata County, TX | Oil & Gas Property | Dec 2025 |
| 131380 | URIBE AURELIANO HEIRS | Zapata County, TX | Oil & Gas Property | Dec 2025 |
| 131381 | URIBE FAMILY TRUST | Zapata County, TX | Oil & Gas Property | Dec 2025 |
| 131382 | URIBE SERAFIN | Zapata County, TX | Oil & Gas Property | Dec 2025 |
| 131383 | URIBE, ROSITA | Webb County, TX | Oil & Gas Property | Dec 2025 |
| 131384 | URIBE-M DEMARTINEZ GAS UNIT 1 | Zapata County, TX | Gas Property | Dec 2025 |
| 131385 | URICE | Cotton County, OK | Oil & Gas Property | Dec 2025 |
| 131386 | URIE GAS UNIT | Kearny County, KS | Gas Property | Sep 2025 |
| 131387 | URQUHART | Pittsburg County, OK | Gas Property | Dec 2025 |
| 131388 | URQUHART | McIntosh County, OK | Gas Property | Dec 2025 |
| 131389 | URQUIDEZ | Eddy County, NM | Oil & Gas Property | Aug 2023 |
| 131390 | URRACA 11 AV FEDERAL COM | Lea County, NM | Oil & Gas Property | Jan 2026 |
| 131391 | URRACA 11 SB FEDERAL | Lea County, NM | Oil & Gas Property | Jan 2026 |
| 131392 | URRACA FEDERAL | Lea County, NM | Oil & Gas Property | Jan 2026 |
| 131393 | URRUTIA UNIT | Karnes County, TX | Oil & Gas Property | Dec 2025 |
| 131394 | URSA 27 B2EH FEDERAL COM | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 131395 | URSA 27 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Jan 2026 |
| 131396 | URSA MAJOR | Butler County, PA | Gas Property | Jan 2026 |
| 131397 | URSA MAJOR 8 FEDERAL | Lea County, NM | Oil & Gas Property | Jan 2026 |
| 131398 | URSA MINOR | Butler County, PA | Gas Property | Jan 2026 |
| 131399 | URSA MINOR 400D 15-15H | Converse County, WY | Oil & Gas Property | Jan 2026 |
| 131400 | URSCHEL | Hemphill County, TX | Oil & Gas Property | Dec 2025 |