| 501 | HAGELGANTZ | Ness County, KS | Oil Property | Dec 1998 |
| 502 | HAGELSTEIN | Crockett County, TX | Oil & Gas Property | Sep 2025 |
| 503 | HAGEMAN | Converse County, WY | Oil & Gas Property | Sep 2021 |
| 504 | HAGEMAN | Converse County, WY | Oil & Gas Property | Oct 2025 |
| 505 | HAGEMAN | Converse County, WY | Oil & Gas Property | Oct 2025 |
| 506 | HAGEMAN | Beaver County, OK | Oil & Gas Property | Aug 2025 |
| 507 | HAGEMAN | Rooks County, KS | Oil Property | Jun 2025 |
| 508 | HAGEMAN | Kingman County, KS | Gas Property | Jun 2025 |
| 509 | HAGEMANN | Yuma County, CO | Gas Property | Sep 2025 |
| 510 | HAGEMEISTER USX AA | Weld County, CO | Oil & Gas Property | Jan 2021 |
| 511 | HAGEN | Garfield County, CO | Oil & Gas Property | Sep 2025 |
| 512 | HAGEN | Ellis County, KS | Oil Property | Dec 2022 |
| 513 | HAGEN | Kimball County, NE | Oil Property | Dec 2024 |
| 514 | HAGEN | Barton County, KS | Oil & Gas Property | Jun 2025 |
| 515 | HAGEN | Weld County, CO | Oil & Gas Property | Jun 2020 |
| 516 | HAGEN 144-98-12 | Billings County, ND | Oil & Gas Property | Oct 2025 |
| 517 | HAGEN 149-100-9-4 | McKenzie County, ND | Oil & Gas Property | Oct 2025 |
| 518 | HAGEN 3-28H | Divide County, ND | Oil & Gas Property | Oct 2025 |
| 519 | HAGEN 31-30H | McKenzie County, ND | Oil & Gas Property | Oct 2025 |
| 520 | HAGEN BANKS 5 | McKenzie County, ND | Oil & Gas Property | Oct 2025 |
| 521 | HAGEN EF | Gonzales County, TX | Oil & Gas Property | Feb 2025 |
| 522 | HAGEN FEDERAL | Garfield County, CO | Oil & Gas Property | Sep 2025 |
| 523 | HAGEN FEDERAL 41-25 25-30H | McKenzie County, ND | Oil & Gas Property | Oct 2025 |
| 524 | HAGEN FEDERAL 5792 4 | Mountrail County, ND | Oil & Gas Property | Oct 2025 |
| 525 | HAGEN RANCH | Gonzales County, TX | Oil & Gas Property | Sep 2025 |
| 526 | HAGEN SELMA GU | Freestone County, TX | Oil & Gas Property | Sep 2025 |
| 527 | HAGEN UNIT NO | Camp County, TX | Oil & Gas Property | Sep 2025 |
| 528 | HAGER | Gallia County, OH | Oil & Gas Property | Dec 2024 |
| 529 | HAGER | Stafford County, KS | Oil Property | Jun 2025 |
| 530 | HAGER | Rice County, KS | Oil Property | Jun 2025 |
| 531 | HAGER | Rice County, KS | Oil Property | Jun 2025 |
| 532 | HAGER 1-1 | Meade County, KS | Oil & Gas Property | Jun 2025 |
| 533 | HAGER 1-16H | Washita County, OK | Oil & Gas Property | Aug 2025 |
| 534 | HAGER GULF LEE FEE | Orange County, TX | Oil & Gas Property | Sep 2025 |
| 535 | HAGER TRUST | Norton County, KS | Oil Property | Mar 2025 |
| 536 | HAGER TRUST 616 | Lipscomb County, TX | Oil & Gas Property | Sep 2025 |
| 537 | HAGER, GEORGE | Meade County, KY | Oil & Gas Property | Dec 2023 |
| 538 | HAGERMAN | Wheeler County, TX | Oil & Gas Property | Aug 2025 |
| 539 | HAGERMAN | Grant County, KS | Gas Property | Jun 2025 |
| 540 | HAGERMAN | Pawnee County, KS | Oil Property | Mar 1990 |
| 541 | HAGERTY | Washington County, PA | Oil & Gas Property | Dec 1999 |
| 542 | HAGEY 1 | Mountrail County, ND | Oil & Gas Property | Oct 2025 |
| 543 | HAGGARD | Roberts County, TX | Oil & Gas Property | Sep 2025 |
| 544 | HAGGARD | Nowata County, OK | Gas Property | Jul 2018 |
| 545 | HAGGARD | Custer County, OK | Oil & Gas Property | Aug 2025 |
| 546 | HAGGARD | Young County, TX | Oil & Gas Property | Sep 2025 |
| 547 | HAGGARD | Gray County, TX | Oil & Gas Property | Sep 2025 |
| 548 | HAGGARD | Marion County, TX | Oil & Gas Property | Aug 2025 |
| 549 | HAGGARD | Bexar County, TX | Oil & Gas Property | Sep 2025 |
| 550 | HAGGARD | Custer County, OK | Oil & Gas Property | Dec 2020 |
| 551 | HAGGARD | McIntosh County, OK | Gas Property | Aug 2025 |
| 552 | HAGGARD | Washita County, OK | Oil & Gas Property | Aug 2025 |
| 553 | HAGGARD | Marion County, TX | Oil & Gas Property | Nov 2022 |
| 554 | HAGGARD 2-16C4 | Duchesne County, UT | Oil & Gas Property | Sep 2025 |
| 555 | HAGGARD GAS UNIT 1H | Harrison County, TX | Oil & Gas Property | Sep 2025 |
| 556 | HAGGERTY | Toole County, MT | Oil Property | Sep 2025 |
| 557 | HAGGIS STATE | Reeves County, TX | Oil & Gas Property | Sep 2025 |
| 558 | HAGINS | Dickens County, TX | Oil & Gas Property | Sep 2025 |
| 559 | HAGIST | Duval County, TX | Oil & Gas Property | Sep 2025 |
| 560 | HAGIST GAS UNIT | Duval County, TX | Oil & Gas Property | Sep 2025 |
| 561 | HAGIST-STATE GAS UNIT | Duval County, TX | Oil & Gas Property | Sep 2025 |
| 562 | HAGLE | Comanche County, OK | Oil Property | Jan 2021 |
| 563 | HAGLER | Seminole County, OK | Oil Property | Jan 2016 |
| 564 | HAGLER | Palo Pinto County, TX | Oil & Gas Property | Jul 2025 |
| 565 | HAGLER | Woods County, OK | Oil & Gas Property | Aug 2025 |
| 566 | HAGLER ALVIN | Johnson County, TX | Oil & Gas Property | Sep 2025 |
| 567 | HAGLER GAS UNIT NO. 1 H2 | Shelby County, TX | Oil & Gas Property | Sep 2025 |
| 568 | HAGLUND 12 | Hill County, MT | Gas Property | Sep 2025 |
| 569 | HAGO | Shackelford County, TX | Oil & Gas Property | Aug 2025 |
| 570 | HAGOOD | San Juan County, NM | Oil & Gas Property | Sep 2025 |
| 571 | HAGOOD | San Juan County, NM | Oil & Gas Property | Jun 2025 |
| 572 | HAGOOD | Sweetwater County, WY | Oil & Gas Property | Sep 2025 |
| 573 | HAGOOD | Rio Blanco County, CO | Oil & Gas Property | Oct 2025 |
| 574 | HAGOOD FEDERAL 12 | Sweetwater County, WY | Oil & Gas Property | Oct 2025 |
| 575 | HAGRID | Hockley County, TX | Oil & Gas Property | Sep 2025 |
| 576 | HAGSTROM | Kimball County, NE | Oil & Gas Property | Dec 2024 |
| 577 | HAGUE | Alfalfa County, OK | Oil & Gas Property | Aug 2025 |
| 578 | HAGUE | Alfalfa County, OK | Oil & Gas Property | Sep 2025 |
| 579 | HAGY | Ellsworth County, KS | Oil Property | Jun 2025 |
| 580 | HAGY, DENNIS & TAMERA PERKINS 511 | Jackson County, WV | Oil & Gas Property | Dec 2021 |
| 581 | HAHL | Duval County, TX | Oil & Gas Property | Sep 2025 |
| 582 | HAHL, C. W., SEC. 67 | Duval County, TX | Oil & Gas Property | Aug 2025 |
| 583 | HAHLEN | Mahoning County, OH | Oil & Gas Property | Dec 2024 |
| 584 | HAHN | Muskingum County, OH | Oil Property | Dec 2019 |
| 585 | HAHN | Washington County, TX | Oil & Gas Property | Sep 2025 |
| 586 | HAHN | Weld County, CO | Oil & Gas Property | Dec 2017 |
| 587 | HAHN | Kern County, CA | Oil & Gas Property | Oct 2025 |
| 588 | HAHN | Portage County, OH | Oil & Gas Property | Dec 2024 |
| 589 | HAHN | Finney County, KS | Gas Property | Jun 2025 |
| 590 | HAHN | Columbiana County, OH | Oil & Gas Property | Dec 2024 |
| 591 | HAHN | Crook County, WY | Oil Property | Oct 2025 |
| 592 | HAHN | Barton County, KS | Oil & Gas Property | Jan 2022 |
| 593 | HAHN | Rooks County, KS | Oil Property | Jun 2025 |
| 594 | HAHN | Lee County, TX | Oil & Gas Property | Aug 2025 |
| 595 | HAHN | Hodgeman County, KS | Oil Property | Jun 2025 |
| 596 | HAHN | Edwards County, KS | Oil & Gas Property | Apr 2024 |
| 597 | HAHN | La Plata County, CO | Gas Property | Sep 2025 |
| 598 | HAHN | Summit County, OH | Oil & Gas Property | Dec 2001 |
| 599 | HAHN | Montague County, TX | Oil & Gas Property | Sep 2025 |
| 600 | HAHN | Labette County, KS | Gas Property | Jun 2025 |