| 52601 | HARKINS MINERAL | Floyd County, KY | Oil & Gas Property | Dec 2024 |
| 52602 | HARKINS MINERAL | Floyd County, KY | Oil & Gas Property | Dec 2024 |
| 52603 | HARKINS MINERAL ASSOC | Floyd County, KY | Gas Property | Dec 2024 |
| 52604 | HARKINS MINERAL ASSOC | Floyd County, KY | Oil & Gas Property | Dec 2024 |
| 52605 | HARKIS | Weld County, CO | Oil & Gas Property | Jul 2019 |
| 52606 | HARKIS | Big Horn County, MT | Gas Property | Nov 2020 |
| 52607 | HARKNESS | Finney County, KS | Oil Property | May 2026 |
| 52608 | HARKNESS | Scott County, KS | Oil Property | Jul 2019 |
| 52609 | HARKNESS | Muskingum County, OH | Oil Property | Dec 2025 |
| 52610 | HARKNESS | Wilson County, KS | Gas Property | May 2026 |
| 52611 | HARKNESS | Renville County, ND | Oil & Gas Property | Jun 2026 |
| 52612 | HARKNESS | Scott County, KS | Oil Property | Mar 2025 |
| 52613 | HARKNESS | Ness County, KS | Oil Property | May 2026 |
| 52614 | HARKNESS | Bradford County, PA | Gas Property | Jun 2026 |
| 52615 | HARKNESS | Ness County, KS | Oil Property | Feb 2026 |
| 52616 | HARKRADER | Seward County, KS | Oil & Gas Property | May 2026 |
| 52617 | HARKRADER | Stanton County, KS | Gas Property | May 2026 |
| 52618 | HARKREADER | Garvin County, OK | Oil & Gas Property | Jun 2026 |
| 52619 | HARKRIDER | Caddo Parish, LA | Oil & Gas Property | Dec 2024 |
| 52620 | HARKRIDER UNIT | Lee County, TX | Oil & Gas Property | Jun 2026 |
| 52621 | HARLAN | Perry County, OH | Oil & Gas Property | Dec 2019 |
| 52622 | HARLAN | Petroleum County, MT | Oil Property | Jun 2026 |
| 52623 | HARLAN | Nueces County, TX | Oil & Gas Property | Jul 2023 |
| 52624 | HARLAN | Bradford County, PA | Gas Property | Jun 2026 |
| 52625 | HARLAN | White County, AR | Gas Property | Mar 2009 |
| 52626 | HARLAN | Greenwood County, KS | Oil Property | Dec 2016 |
| 52627 | HARLAN | Hutchinson County, TX | Oil & Gas Property | May 2026 |
| 52628 | HARLAN | Frio County, TX | Oil & Gas Property | Jun 2026 |
| 52629 | HARLAN | Jack County, TX | Oil & Gas Property | Sep 2022 |
| 52630 | HARLAN | Wheeler County, TX | Oil & Gas Property | Jun 2026 |
| 52631 | HARLAN | Clinton County, KY | Oil Property | Jul 2023 |
| 52632 | HARLAN | Cherokee County, TX | Oil & Gas Property | Jun 2026 |
| 52633 | HARLAN | Young County, TX | Oil & Gas Property | Jun 2026 |
| 52634 | HARLAN 09-10 | Cleburne County, AR | Gas Property | Jul 2024 |
| 52635 | HARLAN KENNETH | Nueces County, TX | Oil & Gas Property | Dec 2019 |
| 52636 | HARLAN METTING 01 0 | Dewitt County, TX | Oil & Gas Property | Jun 2026 |
| 52637 | HARLAN NELSON | Live Oak County, TX | Oil & Gas Property | Jun 2026 |
| 52638 | HARLAN REBSOM | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 52639 | HARLAN, SCOTT | Marshall County, WV | Oil & Gas Property | Dec 2021 |
| 52640 | HARLAND | Sherman County, TX | Oil & Gas Property | May 2026 |
| 52641 | HARLAND | Sherman County, TX | Oil & Gas Property | Feb 2026 |
| 52642 | HARLAND 1-31 | Texas County, OK | Gas Property | Jun 2026 |
| 52643 | HARLAND 3 | Howard County, TX | Oil & Gas Property | Jun 2026 |
| 52644 | HARLAND C | Sherman County, TX | Gas Property | Jun 2026 |
| 52645 | HARLAND J & ELIZABETH R LYTLE | Armstrong County, PA | Gas Property | Dec 2025 |
| 52646 | HARLAND REED SPENCE | Indiana County, PA | Gas Property | Dec 2025 |
| 52647 | HARLE | La Salle County, TX | Oil & Gas Property | Jun 2026 |
| 52648 | HARLEQUIN | Weld County, CO | Oil & Gas Property | May 2026 |
| 52649 | HARLESS | Comanche County, OK | Oil Property | Jun 2026 |
| 52650 | HARLESS | Kanawha County, WV | Oil & Gas Property | Oct 2021 |
| 52651 | HARLESS | Beckham County, OK | Oil & Gas Property | Jun 2026 |
| 52652 | HARLESS, J | Roane County, WV | Oil & Gas Property | Dec 2021 |
| 52653 | HARLETON NE (PETTIT) UNIT | Harrison County, TX | Oil & Gas Property | Jun 2026 |
| 52654 | HARLETT | Knox County, OH | Oil & Gas Property | Dec 2025 |
| 52655 | HARLEY | Stephens County, OK | Oil & Gas Property | Oct 2015 |
| 52656 | HARLEY | Cheyenne County, CO | Oil Property | May 2026 |
| 52657 | HARLEY | Reno County, KS | Oil & Gas Property | Dec 2025 |
| 52658 | HARLEY | Gregg County, TX | Oil & Gas Property | Jun 2026 |
| 52659 | HARLEY | Stephens County, OK | Oil Property | May 2026 |
| 52660 | HARLEY | Grady County, OK | Oil & Gas Property | Jun 2026 |
| 52661 | HARLEY | Throckmorton County, TX | Oil & Gas Property | Feb 2026 |
| 52662 | HARLEY | Carter County, OK | Oil & Gas Property | Jul 2026 |
| 52663 | HARLEY | Hughes County, OK | Gas Property | Jun 2026 |
| 52664 | HARLEY | Stephens County, OK | Oil & Gas Property | Jul 2026 |
| 52665 | HARLEY | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 52666 | HARLEY 14-36TFH | Mountrail County, ND | Oil & Gas Property | Jun 2026 |
| 52667 | HARLEY 2014 | Major County, OK | Oil & Gas Property | Jul 2026 |
| 52668 | HARLEY EZELL | Muskogee County, OK | Gas Property | Apr 2007 |
| 52669 | HARLEY FED 3671-35-26 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 52670 | HARLEY FEDERAL | McKenzie County, ND | Oil & Gas Property | Jun 2026 |
| 52671 | HARLEY O ROSTOFER | Licking County, OH | Oil Property | Dec 2025 |
| 52672 | HARLIN | Young County, TX | Oil & Gas Property | Jun 2026 |
| 52673 | HARLIN | Pontotoc County, OK | Oil Property | Jun 2025 |
| 52674 | HARLOW | Pittsburg County, OK | Gas Property | Jun 2026 |
| 52675 | HARLOW CUNNINGHAM | Coal County, OK | Gas Property | Jun 2026 |
| 52676 | HARLOW S. J. GAS UNIT | Limestone County, TX | Oil & Gas Property | Jun 2026 |
| 52677 | HARMAN | Kingfisher County, OK | Oil & Gas Property | Jun 2026 |
| 52678 | HARMAN 1 | Canadian County, OK | Oil & Gas Property | Jun 2026 |
| 52679 | HARMAN G. L | Washington County, OH | Oil & Gas Property | Dec 2025 |
| 52680 | HARMAN GAS UNIT | Finney County, KS | Gas Property | May 2026 |
| 52681 | HARMAN, A. M | McDowell County, WV | Gas Property | Dec 2021 |
| 52682 | HARMAN, J | McDowell County, WV | Gas Property | Dec 2021 |
| 52683 | HARMAN, JAMES | McDowell County, WV | Gas Property | Dec 2021 |
| 52684 | HARMAN, JERRY WILLIAM SWIGER | Doddridge County, WV | Gas Property | Dec 2010 |
| 52685 | HARMARVILLE | Allegheny County, PA | Gas Property | Dec 2023 |
| 52686 | HARMEL | Archer County, TX | Oil & Gas Property | Jun 2026 |
| 52687 | HARMEL | Archer County, TX | Oil & Gas Property | Feb 2020 |
| 52688 | HARMEL | Baylor County, TX | Oil & Gas Property | Jun 2026 |
| 52689 | HARMEL | Baylor County, TX | Oil Property | Jun 2026 |
| 52690 | HARMEL | Archer County, TX | Oil & Gas Property | Jun 2026 |
| 52691 | HARMEL-ANDREWS | Archer County, TX | Oil & Gas Property | Jun 2026 |
| 52692 | HARMEYER | Ottawa County, OH | Oil Property | Dec 2025 |
| 52693 | HARMON | Armstrong County, PA | Gas Property | Dec 2025 |
| 52694 | HARMON | Martin County, KY | Gas Property | Dec 2024 |
| 52695 | HARMON | Smith County, TX | Oil & Gas Property | Jun 2026 |
| 52696 | HARMON | Stevens County, KS | Oil & Gas Property | May 2026 |
| 52697 | HARMON | Coshocton County, OH | Oil & Gas Property | Dec 2025 |
| 52698 | HARMON | Roosevelt County, MT | Oil & Gas Property | Aug 2024 |
| 52699 | HARMON | McIntosh County, OK | Gas Property | Aug 2007 |
| 52700 | HARMON | Greenwood County, KS | Oil Property | Apr 2026 |