| 701 | ISAAC | Meade County, KS | Oil & Gas Property | Nov 2001 |
| 702 | ISAAC | Hardin County, TX | Oil & Gas Property | Jan 2024 |
| 703 | ISAAC | Nacogdoches County, TX | Oil & Gas Property | Jan 2024 |
| 704 | ISAAC | Pawnee County, KS | Oil Property | Nov 2023 |
| 705 | ISAAC | Magoffin County, KY | Gas Property | Dec 2021 |
| 706 | ISAAC | Beaver County, OK | Gas Property | Jan 2020 |
| 707 | ISAAC 11-23H | Mountrail County, ND | Oil & Gas Property | Feb 2024 |
| 708 | ISAAC C PARKER 18-09-16 | Kingfisher County, OK | Oil & Gas Property | Dec 2023 |
| 709 | ISAAC RAWLS | Caddo Parish, LA | Oil Property | Jan 2024 |
| 710 | ISAAC TAYLOR | Grady County, OK | Oil & Gas Property | Dec 2023 |
| 711 | ISAACS | Seminole County, OK | Oil Property | Jan 2013 |
| 712 | ISAACS | Roberts County, TX | Oil & Gas Property | Jan 2024 |
| 713 | ISAACS | Hemphill County, TX | Oil & Gas Property | Jan 2024 |
| 714 | ISAACS | Hemphill County, TX | Oil & Gas Property | Jan 2024 |
| 715 | ISAACS DAVID Q | Hemphill County, TX | Oil & Gas Property | Jan 2024 |
| 716 | ISAACS JOHN | Hemphill County, TX | Oil & Gas Property | Jan 2024 |
| 717 | ISAACS UNIT 2H | Butler County, PA | Oil & Gas Property | Jan 2024 |
| 718 | ISAACS-SIMPSON | Hemphill County, TX | Oil & Gas Property | Jan 2024 |
| 719 | ISAAK | Karnes County, TX | Oil & Gas Property | Jan 2024 |
| 720 | ISABEL | Caddo Parish, LA | Oil & Gas Property | Dec 2023 |
| 721 | ISABEL | Big Horn County, WY | Oil & Gas Property | Feb 2024 |
| 722 | ISABEL | Kern County, CA | Oil & Gas Property | Dec 2023 |
| 723 | ISABEL | Sherman County, KS | Gas Property | Dec 2023 |
| 724 | ISABEL | Ector County, TX | Oil & Gas Property | Jan 2024 |
| 725 | ISABEL | Jefferson County, PA | Oil & Gas Property | Dec 2023 |
| 726 | ISABEL A | San Juan County, NM | Gas Property | Feb 2024 |
| 727 | ISABEL REPINE | Indiana County, PA | Gas Property | Dec 2023 |
| 728 | ISABELLA | Gonzales County, TX | Oil & Gas Property | Apr 2003 |
| 729 | ISABELLA FEDERAL 6093 42-24H | Burke County, ND | Oil & Gas Property | Feb 2024 |
| 730 | ISABELLA MAGNESS | Sabine Parish, LA | Oil Property | Dec 2023 |
| 731 | ISABELLA POWELL | Meigs County, OH | Oil & Gas Property | Dec 2020 |
| 732 | ISABELLA TTT 41-26HU | Mountrail County, ND | Oil & Gas Property | Feb 2024 |
| 733 | ISABELLE | Finney County, KS | Oil Property | Dec 2023 |
| 734 | ISABELLE | Karnes County, TX | Oil & Gas Property | Jan 2024 |
| 735 | ISADORE 6-7H | Stark County, ND | Oil & Gas Property | Feb 2024 |
| 736 | ISALY | Monroe County, OH | Oil & Gas Property | Dec 2023 |
| 737 | ISBELL | Carter County, OK | Oil Property | Dec 2023 |
| 738 | ISBELL | Grimes County, TX | Oil & Gas Property | Jan 2024 |
| 739 | ISBELL | Bradford County, PA | Gas Property | Jan 2024 |
| 740 | ISBELL | Johnson County, TX | Oil & Gas Property | Jan 2024 |
| 741 | ISBELL 21 | Parker County, TX | Oil & Gas Property | Jan 2024 |
| 742 | ISBELL HORIZONTAL UNIT | Midland County, TX | Oil & Gas Property | Jan 2024 |
| 743 | ISBELL-FRY | Jones County, TX | Oil Property | Nov 2023 |
| 744 | ISBILL | McClain County, OK | Oil & Gas Property | Oct 2023 |
| 745 | ISCO A | Los Angeles County, CA | Oil & Gas Property | Jan 1993 |
| 746 | ISEMAN | Armstrong County, PA | Gas Property | Dec 2023 |
| 747 | ISENBART | Woods County, OK | Oil & Gas Property | Dec 2023 |
| 748 | ISENBERGER | Converse County, WY | Gas Property | Nov 2015 |
| 749 | ISENHOUR | Sublette County, WY | Oil & Gas Property | Nov 2023 |
| 750 | ISENHOWER | Callahan County, TX | Oil & Gas Property | Jan 2024 |
| 751 | ISENHOWER W. EST | Eastland County, TX | Oil & Gas Property | Jan 2024 |
| 752 | ISENSEE | Nueces County, TX | Oil & Gas Property | Jan 2024 |
| 753 | ISERN | Ness County, KS | Oil Property | Mar 2023 |
| 754 | ISERN | Barton County, KS | Oil & Gas Property | Dec 2023 |
| 755 | ISERNHAGEN | Cheyenne County, KS | Gas Property | Dec 2023 |
| 756 | ISG/DCE | Cuyahoga County, OH | Oil & Gas Property | Dec 2023 |
| 757 | ISHAM | Jim Wells County, TX | Oil & Gas Property | Apr 2023 |
| 758 | ISHIBASHI | Orange County, CA | Oil & Gas Property | Jul 1989 |
| 759 | ISHIGURO | Weld County, CO | Oil & Gas Property | Jan 2024 |
| 760 | ISHMAN | McKean County, PA | Oil & Gas Property | Dec 2020 |
| 761 | ISIDRO MORENO ET AL | Webb County, TX | Oil & Gas Property | Jan 2024 |
| 762 | ISLAND | Seminole County, OK | Oil & Gas Property | Jan 2024 |
| 763 | ISLAND BUTTE | Montezuma County, CO | Oil & Gas Property | Jan 2024 |
| 764 | ISLAND CREEK | Lincoln County, WV | Oil & Gas Property | Dec 2021 |
| 765 | ISLAND CREEK | Mingo County, WV | Gas Property | Dec 2021 |
| 766 | ISLAND CREEK CO | Hopkins County, KY | Oil & Gas Property | Dec 2022 |
| 767 | ISLAND CREEK CO | Logan County, WV | Oil & Gas Property | Dec 2021 |
| 768 | ISLAND CREEK COAL | Upshur County, WV | Oil & Gas Property | Dec 2021 |
| 769 | ISLAND CREEK COAL C | McDowell County, WV | Gas Property | Dec 2021 |
| 770 | ISLAND CREEK COAL CO | Hopkins County, KY | Oil & Gas Property | Dec 2021 |
| 771 | ISLAND LAKE 6092 12-24H | Burke County, ND | Oil & Gas Property | Feb 2024 |
| 772 | ISLAND PARK B | Garfield County, CO | Oil & Gas Property | Jan 2024 |
| 773 | ISLAND RANCH | Garfield County, CO | Oil & Gas Property | Feb 2024 |
| 774 | ISLAND U | Uintah County, UT | Oil & Gas Property | Dec 2015 |
| 775 | ISLAND U | Uintah County, UT | Oil & Gas Property | Feb 2024 |
| 776 | ISLAND UNIT | Uintah County, UT | Oil & Gas Property | Feb 2024 |
| 777 | ISLE | Montgomery County, KS | Gas Property | Dec 2023 |
| 778 | ISLE ROYAL 148-95-02A-11H-TF-LL | Dunn County, ND | Oil & Gas Property | Feb 2024 |
| 779 | ISLER FE | Chaves County, NM | Gas Property | Jan 2024 |
| 780 | ISLER FEDERAL | Chaves County, NM | Oil & Gas Property | Jun 2017 |
| 781 | ISLER PENNZOIL FEDERAL | Chaves County, NM | Gas Property | Apr 2020 |
| 782 | ISLES LANE | Caddo Parish, LA | Oil Property | Dec 2023 |
| 783 | ISLEY I | Gregg County, TX | Oil & Gas Property | Jan 2024 |
| 784 | ISMAY FLODINE | San Juan County, UT | Oil & Gas Property | Jan 2024 |
| 785 | ISMERT 2 | Reno County, KS | Oil & Gas Property | Dec 2023 |
| 786 | ISOM | Texas County, OK | Oil & Gas Property | Dec 2023 |
| 787 | ISOM | Stevens County, KS | Gas Property | Dec 2023 |
| 788 | ISON | Elliott County, KY | Oil Property | Oct 2022 |
| 789 | ISON, ANDERSON | Elliott County, KY | Oil & Gas Property | Dec 2015 |
| 790 | ISON, CALLIE | Letcher County, KY | Oil & Gas Property | Dec 2021 |
| 791 | ISON, JAMES D | Letcher County, KY | Gas Property | Dec 2019 |
| 792 | ISON, JEFFERSON | Letcher County, KY | Gas Property | Dec 2020 |
| 793 | ISON, JESSE | Letcher County, KY | Oil & Gas Property | Dec 2021 |
| 794 | ISON, MOSES 7 | Letcher County, KY | Gas Property | Dec 2020 |
| 795 | ISON, O D | Elliott County, KY | Oil & Gas Property | Dec 2019 |
| 796 | ISON, TIVIS & REEDA | Elliott County, KY | Oil & Gas Property | Dec 2018 |
| 797 | ISPOCOGEE | Tulsa County, OK | Oil Property | Jan 2024 |
| 798 | ISRAEL | Ford County, KS | Oil Property | Dec 2023 |
| 799 | ISRAEL | Wise County, TX | Oil & Gas Property | Jan 2024 |
| 800 | ISRAEL | Morton County, KS | Oil & Gas Property | Dec 2023 |