| 34401 | DUDERSTADT | Goliad County, TX | Oil & Gas Property | May 2013 |
| 34402 | DUDERSTADT | Dewitt County, TX | Oil & Gas Property | Aug 2025 |
| 34403 | DUDGEON | Cowley County, KS | Oil Property | Feb 1982 |
| 34404 | DUDGEON | Kiowa County, OK | Oil Property | Apr 2004 |
| 34405 | DUDGEON | Knox County, OH | Oil & Gas Property | Dec 2024 |
| 34406 | DUDGEON 1 | Morton County, KS | Gas Property | Jan 2010 |
| 34407 | DUDLEY | Stevens County, KS | Gas Property | Jun 2025 |
| 34408 | DUDLEY | Kern County, CA | Oil Property | Dec 2006 |
| 34409 | DUDLEY | Carter County, OK | Oil & Gas Property | Sep 2007 |
| 34410 | DUDLEY | Eastland County, TX | Oil & Gas Property | Aug 2025 |
| 34411 | DUDLEY | Neosho County, KS | Oil & Gas Property | Jun 2025 |
| 34412 | DUDLEY | Allen County, KS | Oil Property | Dec 2024 |
| 34413 | DUDLEY | Noble County, OH | Oil & Gas Property | Dec 2021 |
| 34414 | DUDLEY | Ochiltree County, TX | Oil & Gas Property | Aug 2025 |
| 34415 | DUDLEY | Rusk County, TX | Oil & Gas Property | Apr 2022 |
| 34416 | DUDLEY | Barry County, MI | Oil Property | Sep 2025 |
| 34417 | DUDLEY | Moore County, TX | Gas Property | Aug 2025 |
| 34418 | DUDLEY | Monterey County, CA | Oil & Gas Property | Sep 2025 |
| 34419 | DUDLEY | Noble County, OH | Gas Property | Dec 2024 |
| 34420 | DUDLEY | Crockett County, TX | Oil & Gas Property | Aug 2025 |
| 34421 | DUDLEY | Runnels County, TX | Oil & Gas Property | Aug 2025 |
| 34422 | DUDLEY | Los Angeles County, CA | Oil Property | Nov 1986 |
| 34423 | DUDLEY 10 | Winkler County, TX | Oil & Gas Property | Aug 2025 |
| 34424 | DUDLEY DAWSON | McKenzie County, ND | Oil & Gas Property | Aug 2025 |
| 34425 | DUDLEY FARMS UNIT | Hill County, TX | Oil & Gas Property | Aug 2025 |
| 34426 | DUDLEY TOWNSHIP | Haskell County, KS | Oil Property | Jan 2024 |
| 34427 | DUDLEY-MAY | Guernsey County, OH | Oil & Gas Property | Dec 2012 |
| 34428 | DUDREY | Pratt County, KS | Oil & Gas Property | Jun 2025 |
| 34429 | DUDREY | Stafford County, KS | Oil Property | Sep 2024 |
| 34430 | DUDREY | Stafford County, KS | Oil Property | Jun 2025 |
| 34431 | DUDREY | Seward County, KS | Gas Property | Jun 2025 |
| 34432 | DUDREY | Stafford County, KS | Oil & Gas Property | Jun 2025 |
| 34433 | DUDREY | Stafford County, KS | Oil Property | Apr 2025 |
| 34434 | DUELL | Weld County, CO | Oil & Gas Property | Feb 2019 |
| 34435 | DUELL | Sherman County, KS | Gas Property | Jun 2025 |
| 34436 | DUELL 32-6 5 | La Plata County, CO | Gas Property | Aug 2025 |
| 34437 | DUELL TRUSTS 3 | Cheyenne County, KS | Gas Property | Jun 2025 |
| 34438 | DUEPPENGIESSER | Wyoming County, NY | Gas Property | Dec 2024 |
| 34439 | DUER | Woodward County, OK | Oil & Gas Property | Aug 2025 |
| 34440 | DUERKSEN | Marion County, KS | Oil & Gas Property | May 2025 |
| 34441 | DUERR UNIT | Tuscarawas County, OH | Oil & Gas Property | Dec 2024 |
| 34442 | DUERR, THOMAS | Ritchie County, WV | Oil & Gas Property | Dec 2021 |
| 34443 | DUERSON | Jack County, TX | Oil & Gas Property | Jun 2025 |
| 34444 | DUERSON | Jack County, TX | Oil & Gas Property | Aug 2025 |
| 34445 | DUESER | Rice County, KS | Oil Property | May 2025 |
| 34446 | DUESING | Finney County, KS | Gas Property | Apr 2025 |
| 34447 | DUESSEN-DUNN UNIT | Denton County, TX | Oil & Gas Property | Sep 2023 |
| 34448 | DUET 148-93-18C-07-1H | Dunn County, ND | Oil & Gas Property | Aug 2025 |
| 34449 | DUFERS | San Juan County, NM | Oil & Gas Property | Jul 2008 |
| 34450 | DUFF | San Juan County, NM | Gas Property | Aug 2025 |
| 34451 | DUFF | Roger Mills County, OK | Oil & Gas Property | Jun 2025 |
| 34452 | DUFF | San Juan County, NM | Gas Property | Aug 2025 |
| 34453 | DUFF | Okmulgee County, OK | Oil & Gas Property | Jul 2025 |
| 34454 | DUFF | Washington County, OH | Oil Property | Dec 2024 |
| 34455 | DUFF | Westmoreland County, PA | Gas Property | Aug 2025 |
| 34456 | DUFF | Polk County, TX | Oil & Gas Property | Jan 2023 |
| 34457 | DUFF | Tom Green County, TX | Oil & Gas Property | Aug 2025 |
| 34458 | DUFF 'O' 1 | Haskell County, KS | Oil Property | Mar 2015 |
| 34459 | DUFF 7 | Glasscock County, TX | Oil & Gas Property | Aug 2025 |
| 34460 | DUFF A. H. ESTATE | Schleicher County, TX | Oil & Gas Property | Aug 2025 |
| 34461 | DUFF B FEDERAL | Sandoval County, NM | Gas Property | Jul 2025 |
| 34462 | DUFF GAS COM | San Juan County, NM | Oil & Gas Property | Aug 2025 |
| 34463 | DUFF, DONALD 15 | Neosho County, KS | Gas Property | Jun 2025 |
| 34464 | DUFF-SHELL | Kern County, CA | Oil & Gas Property | Sep 2025 |
| 34465 | DUFFER | Eastland County, TX | Oil & Gas Property | Aug 2025 |
| 34466 | DUFFIELD | Eddy County, NM | Oil & Gas Property | Aug 2025 |
| 34467 | DUFFIELD | Bowman County, ND | Oil & Gas Property | Feb 2008 |
| 34468 | DUFFIELD | Clay County, WV | Oil & Gas Property | Dec 2021 |
| 34469 | DUFFIELD | Gilmer County, WV | Gas Property | Dec 2021 |
| 34470 | DUFFIELD | Calhoun County, WV | Oil & Gas Property | Dec 2021 |
| 34471 | DUFFIELD | Bradford County, PA | Gas Property | Aug 2025 |
| 34472 | DUFFLEMEYER, MICHAEL B. ,. ET AL | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 34473 | DUFFMAN 253 | Martin County, TX | Oil & Gas Property | Aug 2025 |
| 34474 | DUFFORD | Ford County, KS | Oil & Gas Property | Jun 2025 |
| 34475 | DUFFY | Wharton County, TX | Oil & Gas Property | Jul 2025 |
| 34476 | DUFFY | Jack County, TX | Oil & Gas Property | Aug 2025 |
| 34477 | DUFFY | Kingfisher County, OK | Oil & Gas Property | Aug 2025 |
| 34478 | DUFFY | Okmulgee County, OK | Gas Property | Feb 2024 |
| 34479 | DUFFY | Franklin County, KS | Oil Property | Jun 2025 |
| 34480 | DUFFY 15-34H | Williams County, ND | Oil & Gas Property | Aug 2025 |
| 34481 | DUFFY ESTATE D | McKean County, PA | Oil & Gas Property | Dec 2024 |
| 34482 | DUFORT | McClain County, OK | Oil & Gas Property | Jul 2025 |
| 34483 | DUFOUR 32-6 2 | La Plata County, CO | Gas Property | Aug 2025 |
| 34484 | DUGAN | De Soto Parish, LA | Gas Property | Dec 2024 |
| 34485 | DUGAN | Nowata County, OK | Gas Property | May 2016 |
| 34486 | DUGAN | Knox County, OH | Oil Property | Dec 2024 |
| 34487 | DUGAN | Jones County, TX | Oil & Gas Property | Jul 2025 |
| 34488 | DUGAN | Sedgwick County, KS | Oil Property | May 2025 |
| 34489 | DUGAN | Knox County, OH | Oil Property | Dec 2024 |
| 34490 | DUGAN | Rio Arriba County, NM | Oil & Gas Property | Aug 2025 |
| 34491 | DUGAN GUY | Knox County, OH | Oil Property | Dec 2024 |
| 34492 | DUGAN TR | Barber County, KS | Oil & Gas Property | Jul 2017 |
| 34493 | DUGAN, HOWARD & RUBY DUGAN | Barbour County, WV | Oil & Gas Property | Dec 2021 |
| 34494 | DUGAS-LEBLANC | Assumption Parish, LA | Oil & Gas Property | Nov 2024 |
| 34495 | DUGAT | Chambers County, TX | Oil & Gas Property | Jul 2025 |
| 34496 | DUGGA BOY 53-40 | Loving County, TX | Oil & Gas Property | Aug 2025 |
| 34497 | DUGGAN | Stafford County, KS | Oil Property | Jun 2025 |
| 34498 | DUGGAN 12 FEDERAL | Eddy County, NM | Oil & Gas Property | Aug 2025 |
| 34499 | DUGGAN RWF | Garfield County, CO | Oil & Gas Property | Aug 2025 |
| 34500 | DUGGAN SLAUGHTER | Cochran County, TX | Oil & Gas Property | Aug 2025 |