| 52501 | HARDWICK | Pontotoc County, OK | Oil & Gas Property | Apr 2016 |
| 52502 | HARDWICK | Moore County, TX | Oil & Gas Property | May 2026 |
| 52503 | HARDWICK 'A' | Haskell County, KS | Oil & Gas Property | Jul 2015 |
| 52504 | HARDWICK-BIGGS | Lee County, TX | Oil & Gas Property | Jun 2026 |
| 52505 | HARDWICKE -N | Crane County, TX | Oil & Gas Property | Jun 2026 |
| 52506 | HARDWICKE-UNIVERSITY-SEC | Upton County, TX | Oil & Gas Property | Jan 2022 |
| 52507 | HARDY | Wilson County, TX | Oil & Gas Property | Jun 2026 |
| 52508 | HARDY | Kiowa County, KS | Oil & Gas Property | May 2026 |
| 52509 | HARDY | Richland County, MT | Oil & Gas Property | Jan 1992 |
| 52510 | HARDY | Rusk County, TX | Oil & Gas Property | Jun 2026 |
| 52511 | HARDY | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 52512 | HARDY | Comanche County, OK | Oil Property | Jun 2026 |
| 52513 | HARDY | Ellis County, OK | Oil & Gas Property | Jun 2026 |
| 52514 | HARDY | Lea County, NM | Oil & Gas Property | Jun 2026 |
| 52515 | HARDY | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 52516 | HARDY | Allegan County, MI | Oil Property | Jun 2026 |
| 52517 | HARDY | Rush County, KS | Oil Property | May 2026 |
| 52518 | HARDY | Chautauqua County, KS | Oil Property | Jul 2005 |
| 52519 | HARDY | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 52520 | HARDY | Haskell County, OK | Gas Property | Jun 2026 |
| 52521 | HARDY | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 52522 | HARDY | Chautauqua County, KS | Oil Property | May 2026 |
| 52523 | HARDY | Glasscock County, TX | Oil & Gas Property | May 2026 |
| 52524 | HARDY | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 52525 | HARDY | Ochiltree County, TX | Oil & Gas Property | Jun 2026 |
| 52526 | HARDY | Throckmorton County, TX | Oil Property | Jun 2026 |
| 52527 | HARDY 1 | Madison County, TX | Oil & Gas Property | May 2026 |
| 52528 | HARDY 16-21 | Richland County, MT | Oil & Gas Property | Jun 2026 |
| 52529 | HARDY 25 11 6 | Canadian County, OK | Oil & Gas Property | Jun 2026 |
| 52530 | HARDY 33 | Howard County, TX | Oil & Gas Property | Jul 2024 |
| 52531 | HARDY 36 STATE | Lea County, NM | Oil & Gas Property | Jun 2026 |
| 52532 | HARDY A UNIT | Montague County, TX | Oil & Gas Property | Jun 2026 |
| 52533 | HARDY B UNIT | Montague County, TX | Oil & Gas Property | Jun 2026 |
| 52534 | HARDY BEATRICE | Jack County, TX | Oil & Gas Property | Jun 2026 |
| 52535 | HARDY FED 3 | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 52536 | HARDY GUS | Caldwell County, TX | Oil & Gas Property | Jun 2026 |
| 52537 | HARDY HEIRS-MODISETTE (SA) | Rusk County, TX | Oil & Gas Property | Jun 2026 |
| 52538 | HARDY JOHN | Rusk County, TX | Oil & Gas Property | Jun 2026 |
| 52539 | HARDY PRICE | Jack County, TX | Oil & Gas Property | Jun 2026 |
| 52540 | HARDY SARAH EST | Kaufman County, TX | Oil & Gas Property | Jan 2026 |
| 52541 | HARDY SILVAN | Bexar County, TX | Oil & Gas Property | May 2026 |
| 52542 | HARDY UNIT | Montague County, TX | Oil & Gas Property | Jun 2026 |
| 52543 | HARDY UNIT AC | Karnes County, TX | Oil & Gas Property | Jun 2026 |
| 52544 | HARDY, FRANK | Putnam County, WV | Oil & Gas Property | Dec 2021 |
| 52545 | HARDY, FRANK | Putnam County, WV | Gas Property | Dec 2021 |
| 52546 | HARDY, RUFUS | Waller County, TX | Oil & Gas Property | Jun 2026 |
| 52547 | HARDY, WALLER C., JR | Kanawha County, WV | Gas Property | Dec 2021 |
| 52548 | HARDY-MIDDLETON UNIT | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 52549 | HARDY-OVIATT | Bay County, MI | Oil Property | Jul 2026 |
| 52550 | HARDY-SPOON UNIT | Cooke County, TX | Oil Property | Jun 2026 |
| 52551 | HARDZOG | Comanche County, OK | Oil & Gas Property | Sep 2023 |
| 52552 | HARDZOG | Comanche County, OK | Oil & Gas Property | Sep 1994 |
| 52553 | HARE | Garfield County, OK | Oil & Gas Property | Jun 2026 |
| 52554 | HARE | Wilson County, KS | Oil & Gas Property | May 2026 |
| 52555 | HARE | Sumner County, KS | Oil Property | May 2025 |
| 52556 | HARE | Wilson County, KS | Gas Property | May 2026 |
| 52557 | HARE | San Juan County, NM | Oil & Gas Property | Jun 2026 |
| 52558 | HARE | Chenango County, NY | Gas Property | Dec 2025 |
| 52559 | HARE GAS COM | San Juan County, NM | Oil & Gas Property | Jun 2026 |
| 52560 | HARE GAS COM C | San Juan County, NM | Oil & Gas Property | Jun 2026 |
| 52561 | HARELL | Martin County, TX | Oil & Gas Property | Apr 2026 |
| 52562 | HAREN | Monroe County, OH | Oil & Gas Property | Dec 2025 |
| 52563 | HARER | Tioga County, PA | Gas Property | Jun 2026 |
| 52564 | HARES EAR | Hughes County, OK | Oil & Gas Property | Jun 2026 |
| 52565 | HARGENS | Cheyenne County, NE | Gas Property | Dec 2025 |
| 52566 | HARGER | Trego County, KS | Oil Property | May 2026 |
| 52567 | HARGESS | Lee County, KY | Oil Property | Dec 2023 |
| 52568 | HARGILL GAS UNIT | Willacy County, TX | Oil & Gas Property | May 2026 |
| 52569 | HARGIS | Woodward County, OK | Oil & Gas Property | Jul 2026 |
| 52570 | HARGIS | Zavala County, TX | Oil & Gas Property | Jun 2026 |
| 52571 | HARGIS | Garvin County, OK | Oil & Gas Property | Oct 2025 |
| 52572 | HARGRAVE | Archer County, TX | Oil & Gas Property | Feb 2025 |
| 52573 | HARGRAVE | San Juan County, NM | Gas Property | Jun 2026 |
| 52574 | HARGRAVE | Irion County, TX | Oil & Gas Property | Jun 2026 |
| 52575 | HARGROVE | Zavala County, TX | Oil & Gas Property | Jun 2026 |
| 52576 | HARGROVE | Texas County, OK | Oil & Gas Property | Jun 2026 |
| 52577 | HARGROVE | Ochiltree County, TX | Oil & Gas Property | May 2026 |
| 52578 | HARGROVE | Shackelford County, TX | Oil & Gas Property | May 2026 |
| 52579 | HARGROVE | Titus County, TX | Oil & Gas Property | Jun 2026 |
| 52580 | HARGROVE 49 | Scurry County, TX | Oil & Gas Property | Jun 2026 |
| 52581 | HARGROVE H.B | Hidalgo County, TX | Oil & Gas Property | Jun 2026 |
| 52582 | HARGROVE JAMES W | Burleson County, TX | Oil & Gas Property | Nov 2024 |
| 52583 | HARGROVES | McCulloch County, TX | Oil & Gas Property | Jun 2026 |
| 52584 | HARHAUSEN | Lipscomb County, TX | Oil & Gas Property | Jun 2026 |
| 52585 | HARJO | Seminole County, OK | Oil Property | Apr 2024 |
| 52586 | HARJO | Seminole County, OK | Oil & Gas Property | Dec 2023 |
| 52587 | HARJO | Seminole County, OK | Oil & Gas Property | Feb 2026 |
| 52588 | HARJO | Creek County, OK | Oil Property | Jun 2026 |
| 52589 | HARJO | Pontotoc County, OK | Oil & Gas Property | Mar 2018 |
| 52590 | HARJO | Seminole County, OK | Oil & Gas Property | Jun 2026 |
| 52591 | HARJO-RALSTON | Tulsa County, OK | Oil Property | Jun 2026 |
| 52592 | HARJU | Manistee County, MI | Oil & Gas Property | Jul 2026 |
| 52593 | HARJU | Manistee County, MI | Oil & Gas Property | Jul 2026 |
| 52594 | HARKER | Cheyenne County, CO | Oil & Gas Property | Jan 2008 |
| 52595 | HARKER RANCH MORROW UNIT(HRMU | Cheyenne County, CO | Oil & Gas Property | May 2026 |
| 52596 | HARKER, ROSALEA ARTHUR HARKER | Barbour County, WV | Oil & Gas Property | Dec 2021 |
| 52597 | HARKEY 35 STATE | Eddy County, NM | Oil & Gas Property | Jun 2025 |
| 52598 | HARKINS | Cheyenne County, KS | Gas Property | May 2026 |
| 52599 | HARKINS | Live Oak County, TX | Oil & Gas Property | Apr 2015 |
| 52600 | HARKINS | Cheyenne County, KS | Gas Property | May 2026 |