| 701 | UNIT W-30253 4 | Johnson County, WY | Oil & Gas Property | May 2025 |
| 702 | UNIT WAKEMAN | Weston County, WY | Oil & Gas Property | Feb 1991 |
| 703 | UNIT WHITAKER | Laramie County, WY | Oil & Gas Property | Jan 2025 |
| 704 | UNIT WOODS PATENT | Park County, WY | Oil & Gas Property | May 2025 |
| 705 | UNIT-A PATENTED | Sweetwater County, WY | Oil & Gas Property | May 2016 |
| 706 | UNITED | Los Angeles County, CA | Oil & Gas Property | May 2025 |
| 707 | UNITED | Broomfield County, CO | Oil & Gas Property | May 2025 |
| 708 | UNITED | Rio Blanco County, CO | Oil Property | May 2025 |
| 709 | UNITED | Kern County, CA | Oil & Gas Property | May 2025 |
| 710 | UNITED | Ventura County, CA | Oil & Gas Property | Jun 2018 |
| 711 | UNITED | Kern County, CA | Oil & Gas Property | May 2025 |
| 712 | UNITED 1 | Moore County, TX | Gas Property | Apr 2025 |
| 713 | UNITED AFFIL | Logan County, WV | Gas Property | Dec 2021 |
| 714 | UNITED BETHEL CHURCH | Knox County, OH | Oil Property | Dec 2024 |
| 715 | UNITED BRETH | Acadia Parish, LA | Oil Property | Dec 2024 |
| 716 | UNITED CALIFORNIA | Santa Barbara County, CA | Oil & Gas Property | Dec 2008 |
| 717 | UNITED FUEL | Wayne County, WV | Oil & Gas Property | Dec 2021 |
| 718 | UNITED FUEL | Lincoln County, WV | Gas Property | Dec 2021 |
| 719 | UNITED FUEL | Lincoln County, WV | Oil & Gas Property | Dec 2021 |
| 720 | UNITED FUEL GAS | Mingo County, WV | Oil & Gas Property | Dec 2021 |
| 721 | UNITED FUEL GAS CO | Wayne County, WV | Oil & Gas Property | Jun 2020 |
| 722 | UNITED FUEL GAS CO | Wayne County, WV | Gas Property | Dec 2021 |
| 723 | UNITED FUEL GAS CO | Martin County, KY | Oil & Gas Property | Dec 2023 |
| 724 | UNITED FUEL GAS CO | Kanawha County, WV | Gas Property | Dec 2021 |
| 725 | UNITED FUEL GAS CO | Lincoln County, WV | Gas Property | Dec 2021 |
| 726 | UNITED FUEL GAS CO | Roane County, WV | Gas Property | Dec 2021 |
| 727 | UNITED LAND | Tuscaloosa County, AL | Gas Property | Feb 2025 |
| 728 | UNITED LAND | Tuscaloosa County, AL | Gas Property | Mar 2025 |
| 729 | UNITED METHODIST | Butler County, PA | Oil & Gas Property | Dec 2024 |
| 730 | UNITED METHODIST CHURCH | Hocking County, OH | Oil & Gas Property | Dec 2023 |
| 731 | UNITED NATURAL GAS CO O&G ALLEGHEN | Elk County, PA | Oil & Gas Property | Dec 2024 |
| 732 | UNITED OIL | Caddo Parish, LA | Oil & Gas Property | Oct 2024 |
| 733 | UNITED POCAHONTAS 1 | McDowell County, WV | Gas Property | Dec 2021 |
| 734 | UNITED PRESBYTERIAN CHURCH | Dawson County, TX | Oil & Gas Property | Aug 2015 |
| 735 | UNITED ROYALTY A | Lea County, NM | Oil & Gas Property | May 2025 |
| 736 | UNITED STATES OF AMERICA FORT K | Meade County, KY | Gas Property | Dec 2023 |
| 737 | UNITY CEMETERY ASS | Westmoreland County, PA | Gas Property | Dec 2024 |
| 738 | UNITY LAND MGMT | Westmoreland County, PA | Gas Property | Dec 2024 |
| 739 | UNIV | Crockett County, TX | Oil & Gas Property | Mar 2025 |
| 740 | UNIV | Ward County, TX | Oil & Gas Property | Apr 2025 |
| 741 | UNIV OF AL | Tuscaloosa County, AL | Gas Property | Feb 2025 |
| 742 | UNIV OF TULSA | Marshall County, OK | Oil & Gas Property | Mar 2025 |
| 743 | UNIV. CONSOLIDATED X | Andrews County, TX | Oil & Gas Property | Apr 2025 |
| 744 | UNIV.-11-SEC.-1 | Andrews County, TX | Oil & Gas Property | Apr 2025 |
| 745 | UNIV2 HR | Andrews County, TX | Oil & Gas Property | Apr 2025 |
| 746 | UNIV3 VINCENT2 | Upton County, TX | Oil & Gas Property | Apr 2025 |
| 747 | UNIV4 DANNETTE33 | Upton County, TX | Oil & Gas Property | Apr 2025 |
| 748 | UNIV5 | Upton County, TX | Oil & Gas Property | Nov 2022 |
| 749 | UNIV6 | Crockett County, TX | Oil & Gas Property | Apr 2025 |
| 750 | UNIVANISTON | Crane County, TX | Oil & Gas Property | Apr 2025 |
| 751 | UNIVBAILEY | Crane County, TX | Oil & Gas Property | Apr 2025 |
| 752 | UNIVCARLA | Andrews County, TX | Oil & Gas Property | Jan 2025 |
| 753 | UNIVDANA | Crockett County, TX | Oil & Gas Property | Apr 2025 |
| 754 | UNIVERSAL | Rio Blanco County, CO | Gas Property | Jul 2022 |
| 755 | UNIVERSAL ATLAS | Montgomery County, KS | Oil Property | Mar 2025 |
| 756 | UNIVERSAL-TRUST | Los Angeles County, CA | Oil & Gas Property | May 2025 |
| 757 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Apr 2025 |
| 758 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Apr 2025 |
| 759 | UNIVERSITY | Schleicher County, TX | Oil & Gas Property | Apr 2025 |
| 760 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Sep 2012 |
| 761 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Apr 2025 |
| 762 | UNIVERSITY | Ward County, TX | Oil & Gas Property | Apr 2025 |
| 763 | UNIVERSITY | Crane County, TX | Oil & Gas Property | Apr 2025 |
| 764 | UNIVERSITY | Crane County, TX | Oil & Gas Property | Apr 2025 |
| 765 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Apr 2025 |
| 766 | UNIVERSITY | Pecos County, TX | Oil & Gas Property | Nov 2024 |
| 767 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Apr 2025 |
| 768 | UNIVERSITY | Winkler County, TX | Oil & Gas Property | Apr 2025 |
| 769 | UNIVERSITY | Reagan County, TX | Oil & Gas Property | Apr 2025 |
| 770 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Apr 2025 |
| 771 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | May 2025 |
| 772 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Apr 2025 |
| 773 | UNIVERSITY | Pecos County, TX | Oil Property | Jan 2021 |
| 774 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Apr 2025 |
| 775 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Nov 2010 |
| 776 | UNIVERSITY | Pecos County, TX | Oil & Gas Property | Apr 2025 |
| 777 | UNIVERSITY | Reagan County, TX | Oil & Gas Property | Apr 2025 |
| 778 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | May 2025 |
| 779 | UNIVERSITY | Okfuskee County, OK | Oil & Gas Property | Apr 2025 |
| 780 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | May 2025 |
| 781 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Apr 2025 |
| 782 | UNIVERSITY | Schleicher County, TX | Oil & Gas Property | Mar 2025 |
| 783 | UNIVERSITY | Ward County, TX | Oil & Gas Property | Mar 2011 |
| 784 | UNIVERSITY | Martin County, TX | Oil & Gas Property | Apr 2025 |
| 785 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Apr 2025 |
| 786 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Apr 2025 |
| 787 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Apr 2025 |
| 788 | UNIVERSITY | Terrell County, TX | Oil & Gas Property | Apr 2025 |
| 789 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Apr 2025 |
| 790 | UNIVERSITY | Ward County, TX | Oil & Gas Property | Apr 2025 |
| 791 | UNIVERSITY | Crane County, TX | Oil & Gas Property | Apr 2025 |
| 792 | UNIVERSITY | Loving County, TX | Oil & Gas Property | Apr 2025 |
| 793 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Apr 2025 |
| 794 | UNIVERSITY | Pecos County, TX | Oil & Gas Property | Apr 2025 |
| 795 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Apr 2025 |
| 796 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Apr 2025 |
| 797 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Mar 2025 |
| 798 | UNIVERSITY | Crockett County, TX | Oil & Gas Property | Apr 2025 |
| 799 | UNIVERSITY | Terrell County, TX | Oil & Gas Property | Apr 2025 |
| 800 | UNIVERSITY | Andrews County, TX | Oil & Gas Property | Apr 2025 |