| 34501 | DUCK IS UNIT | Beechey Point Quadrangle, AK | Oil & Gas Property | Jan 2026 |
| 34502 | DUCK IS UNIT MPI | Beechey Point Quadrangle, AK | Oil & Gas Property | Jan 2026 |
| 34503 | DUCK LAKE | Tarrant County, TX | Gas Property | Dec 2025 |
| 34504 | DUCK LAKE | Carbon County, WY | Oil & Gas Property | Dec 2025 |
| 34505 | DUCK LAKE 1 | Carbon County, WY | Oil & Gas Property | Nov 2025 |
| 34506 | DUCK POND | Adams County, MS | Oil & Gas Property | Aug 1983 |
| 34507 | DUCK POND 21910 36-25 | Midland County, TX | Oil & Gas Property | Dec 2025 |
| 34508 | DUCKBOARD | La Salle County, TX | Oil & Gas Property | Dec 2025 |
| 34509 | DUCKCREEK | Uintah County, UT | Oil & Gas Property | Jan 2026 |
| 34510 | DUCKER | Franklin County, MS | Oil & Gas Property | Nov 2025 |
| 34511 | DUCKETT | Johnson County, TX | Gas Property | Dec 2025 |
| 34512 | DUCKETT | Sebastian County, AR | Gas Property | Jun 2024 |
| 34513 | DUCKS DU | Shelby County, TX | Oil & Gas Property | Dec 2025 |
| 34514 | DUCKWORTH | Muskingum County, OH | Oil & Gas Property | Dec 2024 |
| 34515 | DUCKWORTH | Washington County, OH | Oil & Gas Property | Dec 2024 |
| 34516 | DUCKWORTH | Doddridge County, WV | Oil & Gas Property | Aug 2021 |
| 34517 | DUCKWORTH | Kingman County, KS | Oil & Gas Property | Sep 2025 |
| 34518 | DUCKWORTH | Jack County, TX | Oil & Gas Property | Dec 2025 |
| 34519 | DUCKWORTH | Weld County, CO | Oil & Gas Property | Sep 2022 |
| 34520 | DUCOTE | Grant Parish, LA | Oil Property | Nov 2024 |
| 34521 | DUCOTE | Caddo Parish, LA | Oil & Gas Property | Sep 2024 |
| 34522 | DUDE WILSON G | Ochiltree County, TX | Oil & Gas Property | Dec 2025 |
| 34523 | DUDECK | Cleburne County, AR | Gas Property | Jul 2024 |
| 34524 | DUDECK HEIRS GAS UNIT | Harrison County, TX | Oil & Gas Property | Dec 2025 |
| 34525 | DUDEK 1 | Logan County, OK | Oil & Gas Property | Dec 2025 |
| 34526 | DUDERSTADT | Dewitt County, TX | Oil & Gas Property | Apr 2022 |
| 34527 | DUDERSTADT | Goliad County, TX | Oil & Gas Property | May 2013 |
| 34528 | DUDERSTADT | Dewitt County, TX | Oil & Gas Property | Dec 2025 |
| 34529 | DUDGEON | Cowley County, KS | Oil Property | Feb 1982 |
| 34530 | DUDGEON | Kiowa County, OK | Oil Property | Apr 2004 |
| 34531 | DUDGEON | Knox County, OH | Oil & Gas Property | Dec 2024 |
| 34532 | DUDGEON 1 | Morton County, KS | Gas Property | Jan 2010 |
| 34533 | DUDLEY | Stevens County, KS | Gas Property | Sep 2025 |
| 34534 | DUDLEY | Kern County, CA | Oil Property | Dec 2006 |
| 34535 | DUDLEY | Carter County, OK | Oil & Gas Property | Sep 2007 |
| 34536 | DUDLEY | Eastland County, TX | Oil & Gas Property | Oct 2025 |
| 34537 | DUDLEY | Neosho County, KS | Oil & Gas Property | Sep 2025 |
| 34538 | DUDLEY | Allen County, KS | Oil Property | Dec 2024 |
| 34539 | DUDLEY | Noble County, OH | Oil & Gas Property | Dec 2021 |
| 34540 | DUDLEY | Ochiltree County, TX | Oil & Gas Property | Dec 2025 |
| 34541 | DUDLEY | Rusk County, TX | Oil & Gas Property | Apr 2022 |
| 34542 | DUDLEY | Barry County, MI | Oil Property | Dec 2025 |
| 34543 | DUDLEY | Moore County, TX | Gas Property | Dec 2025 |
| 34544 | DUDLEY | Monterey County, CA | Oil & Gas Property | Dec 2025 |
| 34545 | DUDLEY | Noble County, OH | Gas Property | Dec 2024 |
| 34546 | DUDLEY | Crockett County, TX | Oil & Gas Property | Dec 2025 |
| 34547 | DUDLEY | Runnels County, TX | Oil & Gas Property | Dec 2025 |
| 34548 | DUDLEY | Los Angeles County, CA | Oil Property | Nov 1986 |
| 34549 | DUDLEY 10 | Winkler County, TX | Oil & Gas Property | Dec 2025 |
| 34550 | DUDLEY DAWSON | McKenzie County, ND | Oil & Gas Property | Jan 2026 |
| 34551 | DUDLEY FARMS UNIT | Hill County, TX | Oil & Gas Property | Dec 2025 |
| 34552 | DUDLEY TOWNSHIP | Haskell County, KS | Oil Property | Jan 2024 |
| 34553 | DUDLEY-MAY | Guernsey County, OH | Oil & Gas Property | Dec 2012 |
| 34554 | DUDREY | Pratt County, KS | Oil & Gas Property | Sep 2025 |
| 34555 | DUDREY | Stafford County, KS | Oil Property | Sep 2024 |
| 34556 | DUDREY | Stafford County, KS | Oil Property | Jun 2025 |
| 34557 | DUDREY | Seward County, KS | Gas Property | Sep 2025 |
| 34558 | DUDREY | Stafford County, KS | Oil & Gas Property | Sep 2025 |
| 34559 | DUDREY | Stafford County, KS | Oil Property | Aug 2025 |
| 34560 | DUELL | Weld County, CO | Oil & Gas Property | Feb 2019 |
| 34561 | DUELL | Sherman County, KS | Gas Property | Sep 2025 |
| 34562 | DUELL 32-6 5 | La Plata County, CO | Gas Property | Dec 2025 |
| 34563 | DUELL TRUSTS 3 | Cheyenne County, KS | Gas Property | Sep 2025 |
| 34564 | DUEPPENGIESSER | Wyoming County, NY | Gas Property | Dec 2024 |
| 34565 | DUER | Woodward County, OK | Oil & Gas Property | Jan 2026 |
| 34566 | DUERKSEN | Marion County, KS | Oil & Gas Property | Sep 2025 |
| 34567 | DUERR UNIT | Tuscarawas County, OH | Oil & Gas Property | Dec 2024 |
| 34568 | DUERR, THOMAS | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 34569 | DUERSON | Jack County, TX | Oil & Gas Property | Jun 2025 |
| 34570 | DUERSON | Jack County, TX | Oil & Gas Property | Dec 2025 |
| 34571 | DUESER | Rice County, KS | Oil Property | Sep 2025 |
| 34572 | DUESING | Finney County, KS | Gas Property | Apr 2025 |
| 34573 | DUESSEN-DUNN UNIT | Denton County, TX | Oil & Gas Property | Oct 2023 |
| 34574 | DUET 148-93-18C-07-1H | Dunn County, ND | Oil & Gas Property | Jan 2026 |
| 34575 | DUFERS | San Juan County, NM | Oil & Gas Property | Jul 2008 |
| 34576 | DUFF | San Juan County, NM | Gas Property | Jan 2026 |
| 34577 | DUFF | Roger Mills County, OK | Oil & Gas Property | Dec 2025 |
| 34578 | DUFF | San Juan County, NM | Gas Property | Jan 2026 |
| 34579 | DUFF | Okmulgee County, OK | Oil & Gas Property | Dec 2025 |
| 34580 | DUFF | Washington County, OH | Oil Property | Dec 2024 |
| 34581 | DUFF | Westmoreland County, PA | Gas Property | Jan 2026 |
| 34582 | DUFF | Polk County, TX | Oil & Gas Property | Jan 2023 |
| 34583 | DUFF | Tom Green County, TX | Oil & Gas Property | Dec 2025 |
| 34584 | DUFF 'O' 1 | Haskell County, KS | Oil Property | Mar 2015 |
| 34585 | DUFF 7 | Glasscock County, TX | Oil & Gas Property | Dec 2025 |
| 34586 | DUFF A. H. ESTATE | Schleicher County, TX | Oil & Gas Property | Dec 2025 |
| 34587 | DUFF B FEDERAL | Sandoval County, NM | Gas Property | Jul 2025 |
| 34588 | DUFF GAS COM | San Juan County, NM | Oil & Gas Property | Jan 2026 |
| 34589 | DUFF, DONALD 15 | Neosho County, KS | Gas Property | Sep 2025 |
| 34590 | DUFF-SHELL | Kern County, CA | Oil & Gas Property | Dec 2025 |
| 34591 | DUFFER | Eastland County, TX | Oil & Gas Property | Dec 2025 |
| 34592 | DUFFIELD | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 34593 | DUFFIELD | Bowman County, ND | Oil & Gas Property | Feb 2008 |
| 34594 | DUFFIELD | Clay County, WV | Oil & Gas Property | Dec 2021 |
| 34595 | DUFFIELD | Gilmer County, WV | Gas Property | Dec 2021 |
| 34596 | DUFFIELD | Calhoun County, WV | Oil & Gas Property | Dec 2021 |
| 34597 | DUFFIELD | Bradford County, PA | Gas Property | Jan 2026 |
| 34598 | DUFFLEMEYER, MICHAEL B. ,. ET AL | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 34599 | DUFFMAN 253 | Martin County, TX | Oil & Gas Property | Dec 2025 |
| 34600 | DUFFORD | Ford County, KS | Oil & Gas Property | Sep 2025 |