| 52701 | HARKNESS | Bradford County, PA | Gas Property | May 2026 |
| 52702 | HARKNESS | Ness County, KS | Oil Property | Feb 2026 |
| 52703 | HARKRADER | Seward County, KS | Oil & Gas Property | Mar 2026 |
| 52704 | HARKRADER | Stanton County, KS | Gas Property | Apr 2026 |
| 52705 | HARKREADER | Garvin County, OK | Oil & Gas Property | May 2026 |
| 52706 | HARKRIDER | Caddo Parish, LA | Oil & Gas Property | Dec 2024 |
| 52707 | HARKRIDER UNIT | Lee County, TX | Oil & Gas Property | May 2026 |
| 52708 | HARLAN | Perry County, OH | Oil & Gas Property | Dec 2019 |
| 52709 | HARLAN | Petroleum County, MT | Oil Property | May 2026 |
| 52710 | HARLAN | Nueces County, TX | Oil & Gas Property | Jul 2023 |
| 52711 | HARLAN | Bradford County, PA | Gas Property | May 2026 |
| 52712 | HARLAN | White County, AR | Gas Property | Mar 2009 |
| 52713 | HARLAN | Greenwood County, KS | Oil Property | Dec 2016 |
| 52714 | HARLAN | Frio County, TX | Oil & Gas Property | May 2026 |
| 52715 | HARLAN | Jack County, TX | Oil & Gas Property | Sep 2022 |
| 52716 | HARLAN | Wheeler County, TX | Oil & Gas Property | Apr 2026 |
| 52717 | HARLAN | Clinton County, KY | Oil Property | Jul 2023 |
| 52718 | HARLAN | Cherokee County, TX | Oil & Gas Property | May 2026 |
| 52719 | HARLAN | Young County, TX | Oil & Gas Property | May 2026 |
| 52720 | HARLAN 09-10 | Cleburne County, AR | Gas Property | Jul 2024 |
| 52721 | HARLAN 1 | Los Angeles County, CA | Oil & Gas Property | Jun 2026 |
| 52722 | HARLAN KENNETH | Nueces County, TX | Oil & Gas Property | Dec 2019 |
| 52723 | HARLAN METTING 01 0 | Dewitt County, TX | Oil & Gas Property | May 2026 |
| 52724 | HARLAN REBSOM | Dunn County, ND | Oil & Gas Property | May 2026 |
| 52725 | HARLAN, SCOTT | Marshall County, WV | Oil & Gas Property | Dec 2021 |
| 52726 | HARLAN-NELSON | Live Oak County, TX | Oil & Gas Property | May 2026 |
| 52727 | HARLAND | Sherman County, TX | Oil & Gas Property | Apr 2026 |
| 52728 | HARLAND | Sherman County, TX | Oil & Gas Property | Feb 2026 |
| 52729 | HARLAND 1-31 | Texas County, OK | Gas Property | Apr 2026 |
| 52730 | HARLAND 3 | Howard County, TX | Oil & Gas Property | May 2026 |
| 52731 | HARLAND C | Sherman County, TX | Gas Property | May 2026 |
| 52732 | HARLAND J & ELIZABETH R LYTLE | Armstrong County, PA | Gas Property | Dec 2025 |
| 52733 | HARLAND REED SPENCE | Indiana County, PA | Gas Property | Dec 2025 |
| 52734 | HARLE | La Salle County, TX | Oil & Gas Property | May 2026 |
| 52735 | HARLEQUIN | Weld County, CO | Oil & Gas Property | May 2026 |
| 52736 | HARLESS | Comanche County, OK | Oil Property | Mar 2026 |
| 52737 | HARLESS | Kanawha County, WV | Oil & Gas Property | Oct 2021 |
| 52738 | HARLESS, J | Roane County, WV | Oil & Gas Property | Dec 2021 |
| 52739 | HARLETON NE (PETTIT) UNIT | Harrison County, TX | Oil & Gas Property | May 2026 |
| 52740 | HARLETT | Knox County, OH | Oil & Gas Property | Dec 2025 |
| 52741 | HARLEY | Stephens County, OK | Oil & Gas Property | Oct 2015 |
| 52742 | HARLEY | Cheyenne County, CO | Oil Property | May 2026 |
| 52743 | HARLEY | Reno County, KS | Oil & Gas Property | Dec 2025 |
| 52744 | HARLEY | Gregg County, TX | Oil & Gas Property | May 2026 |
| 52745 | HARLEY | Stephens County, OK | Oil Property | May 2026 |
| 52746 | HARLEY | Grady County, OK | Oil & Gas Property | Apr 2026 |
| 52747 | HARLEY | Throckmorton County, TX | Oil & Gas Property | Feb 2026 |
| 52748 | HARLEY | Carter County, OK | Oil & Gas Property | May 2026 |
| 52749 | HARLEY | Hughes County, OK | Gas Property | Apr 2026 |
| 52750 | HARLEY | Stephens County, OK | Oil & Gas Property | Apr 2026 |
| 52751 | HARLEY | McKenzie County, ND | Oil & Gas Property | May 2026 |
| 52752 | HARLEY 14-36TFH | Mountrail County, ND | Oil & Gas Property | May 2026 |
| 52753 | HARLEY 2014 | Major County, OK | Oil & Gas Property | May 2026 |
| 52754 | HARLEY EZELL | Muskogee County, OK | Gas Property | Apr 2007 |
| 52755 | HARLEY FED 3671-35-26 | Converse County, WY | Oil & Gas Property | May 2026 |
| 52756 | HARLEY FEDERAL | McKenzie County, ND | Oil & Gas Property | May 2026 |
| 52757 | HARLEY O ROSTOFER | Licking County, OH | Oil Property | Dec 2025 |
| 52758 | HARLIN | Young County, TX | Oil & Gas Property | May 2026 |
| 52759 | HARLIN | Pontotoc County, OK | Oil Property | Jun 2025 |
| 52760 | HARLOW | Pittsburg County, OK | Gas Property | Apr 2026 |
| 52761 | HARLOW CUNNINGHAM | Coal County, OK | Gas Property | Apr 2026 |
| 52762 | HARLOW S. J. GAS UNIT | Limestone County, TX | Oil & Gas Property | May 2026 |
| 52763 | HARMAN | Kingfisher County, OK | Oil & Gas Property | Apr 2026 |
| 52764 | HARMAN 1 | Canadian County, OK | Oil & Gas Property | Apr 2026 |
| 52765 | HARMAN G. L | Washington County, OH | Oil & Gas Property | Dec 2025 |
| 52766 | HARMAN GAS UNIT | Finney County, KS | Gas Property | Apr 2026 |
| 52767 | HARMAN, A. M | McDowell County, WV | Gas Property | Dec 2021 |
| 52768 | HARMAN, J | McDowell County, WV | Gas Property | Dec 2021 |
| 52769 | HARMAN, JAMES | McDowell County, WV | Gas Property | Dec 2021 |
| 52770 | HARMAN, JERRY WILLIAM SWIGER | Doddridge County, WV | Gas Property | Dec 2010 |
| 52771 | HARMARVILLE | Allegheny County, PA | Gas Property | Dec 2023 |
| 52772 | HARMEL | Archer County, TX | Oil & Gas Property | May 2026 |
| 52773 | HARMEL | Archer County, TX | Oil & Gas Property | Feb 2020 |
| 52774 | HARMEL | Baylor County, TX | Oil & Gas Property | May 2026 |
| 52775 | HARMEL | Baylor County, TX | Oil Property | May 2026 |
| 52776 | HARMEL | Archer County, TX | Oil & Gas Property | May 2026 |
| 52777 | HARMEL-ANDREWS | Archer County, TX | Oil & Gas Property | May 2026 |
| 52778 | HARMEYER | Ottawa County, OH | Oil Property | Dec 2025 |
| 52779 | HARMON | Armstrong County, PA | Gas Property | Dec 2025 |
| 52780 | HARMON | Martin County, KY | Gas Property | Dec 2024 |
| 52781 | HARMON | Smith County, TX | Oil & Gas Property | Mar 2026 |
| 52782 | HARMON | Stevens County, KS | Oil & Gas Property | Apr 2026 |
| 52783 | HARMON | Coshocton County, OH | Oil & Gas Property | Dec 2025 |
| 52784 | HARMON | Roosevelt County, MT | Oil & Gas Property | Aug 2024 |
| 52785 | HARMON | McIntosh County, OK | Gas Property | Aug 2007 |
| 52786 | HARMON | Greenwood County, KS | Oil Property | Apr 2026 |
| 52787 | HARMON | Orange County, TX | Oil & Gas Property | Oct 2025 |
| 52788 | HARMON | Carter County, OK | Oil Property | Jun 2013 |
| 52789 | HARMON | McPherson County, KS | Oil Property | Mar 2026 |
| 52790 | HARMON | Montague County, TX | Oil & Gas Property | Apr 2026 |
| 52791 | HARMON | Young County, TX | Oil & Gas Property | May 2022 |
| 52792 | HARMON | La Plata County, CO | Gas Property | May 2026 |
| 52793 | HARMON | Monroe County, OH | Oil & Gas Property | Dec 2025 |
| 52794 | HARMON | Garfield County, OK | Oil & Gas Property | Apr 2026 |
| 52795 | HARMON | Faulkner County, AR | Gas Property | Jul 2024 |
| 52796 | HARMON | Major County, OK | Oil & Gas Property | Apr 2026 |
| 52797 | HARMON | Stephens County, OK | Oil Property | Mar 2026 |
| 52798 | HARMON | Morton County, KS | Oil & Gas Property | Apr 2026 |
| 52799 | HARMON | McClain County, OK | Oil & Gas Property | Apr 2026 |
| 52800 | HARMON | Chautauqua County, KS | Oil Property | Aug 2025 |