| 5401 | DUFFIELD | Bowman County, ND | Oil & Gas Property | Feb 2008 |
| 5402 | DUFFIELD | Clay County, WV | Oil & Gas Property | Dec 2021 |
| 5403 | DUFFIELD | Gilmer County, WV | Gas Property | Dec 2021 |
| 5404 | DUFFIELD | Calhoun County, WV | Oil & Gas Property | Dec 2021 |
| 5405 | DUFFIELD | Bradford County, PA | Gas Property | Dec 2025 |
| 5406 | DUFFLEMEYER, MICHAEL B. ,. ET AL | Doddridge County, WV | Oil & Gas Property | Dec 2021 |
| 5407 | DUFFMAN 253 | Martin County, TX | Oil & Gas Property | Nov 2025 |
| 5408 | DUFFORD | Ford County, KS | Oil & Gas Property | Sep 2025 |
| 5409 | DUFFY | Wharton County, TX | Oil & Gas Property | Nov 2025 |
| 5410 | DUFFY | Jack County, TX | Oil & Gas Property | Nov 2025 |
| 5411 | DUFFY | Kingfisher County, OK | Oil & Gas Property | Nov 2025 |
| 5412 | DUFFY | Okmulgee County, OK | Gas Property | Feb 2024 |
| 5413 | DUFFY | Franklin County, KS | Oil Property | Sep 2025 |
| 5414 | DUFFY 15-34H | Williams County, ND | Oil & Gas Property | Dec 2025 |
| 5415 | DUFFY ESTATE D | McKean County, PA | Oil & Gas Property | Dec 2024 |
| 5416 | DUFORT | McClain County, OK | Oil & Gas Property | Nov 2025 |
| 5417 | DUFOUR 32-6 2 | La Plata County, CO | Gas Property | Nov 2025 |
| 5418 | DUGAN | De Soto Parish, LA | Gas Property | Dec 2024 |
| 5419 | DUGAN | Nowata County, OK | Gas Property | May 2016 |
| 5420 | DUGAN | Knox County, OH | Oil Property | Dec 2024 |
| 5421 | DUGAN | Jones County, TX | Oil & Gas Property | Oct 2025 |
| 5422 | DUGAN | Sedgwick County, KS | Oil Property | Sep 2025 |
| 5423 | DUGAN | Knox County, OH | Oil Property | Dec 2024 |
| 5424 | DUGAN | Rio Arriba County, NM | Oil & Gas Property | Nov 2025 |
| 5425 | DUGAN FEDERAL | Rio Arriba County, NM | Gas Property | Nov 2025 |
| 5426 | DUGAN GUY | Knox County, OH | Oil Property | Dec 2024 |
| 5427 | DUGAN TR | Barber County, KS | Oil & Gas Property | Jul 2017 |
| 5428 | DUGAN, HOWARD & RUBY DUGAN | Barbour County, WV | Oil & Gas Property | Dec 2021 |
| 5429 | DUGAS-LEBLANC | Assumption Parish, LA | Oil & Gas Property | Nov 2024 |
| 5430 | DUGAT | Chambers County, TX | Oil & Gas Property | Nov 2025 |
| 5431 | DUGGA BOY 53-40 | Loving County, TX | Oil & Gas Property | Nov 2025 |
| 5432 | DUGGAN | Stafford County, KS | Oil Property | Sep 2025 |
| 5433 | DUGGAN 1-24H | Roger Mills County, OK | Oil & Gas Property | Nov 2025 |
| 5434 | DUGGAN 12 FEDERAL | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 5435 | DUGGAN RWF | Garfield County, CO | Oil & Gas Property | Dec 2025 |
| 5436 | DUGGAN SLAUGHTER | Cochran County, TX | Oil & Gas Property | Nov 2025 |
| 5437 | DUGGAN-HARRELL ( | Stephens County, TX | Oil & Gas Property | Nov 2025 |
| 5438 | DUGGER | Washita County, OK | Oil & Gas Property | Dec 2025 |
| 5439 | DUGGER | Nueces County, TX | Oil & Gas Property | Oct 2025 |
| 5440 | DUGGER | Nueces County, TX | Oil & Gas Property | Sep 2025 |
| 5441 | DUGGER | Roger Mills County, OK | Oil & Gas Property | Dec 2025 |
| 5442 | DUGGER | Dawson County, TX | Oil & Gas Property | Oct 2025 |
| 5443 | DUGGER | Caddo County, OK | Oil & Gas Property | Nov 2025 |
| 5444 | DUGGER | Ellis County, OK | Oil & Gas Property | Nov 2025 |
| 5445 | DUGGER | Caddo Parish, LA | Oil & Gas Property | Nov 2024 |
| 5446 | DUGGER -A | Upshur County, TX | Oil & Gas Property | Nov 2025 |
| 5447 | DUGGER HEWLETT | Somervell County, TX | Oil & Gas Property | Nov 2025 |
| 5448 | DUGGER-SMITH UNIT | Brazos County, TX | Oil & Gas Property | Oct 2021 |
| 5449 | DUGITE | Weld County, CO | Oil & Gas Property | Dec 2025 |
| 5450 | DUGONG | Hughes County, OK | Oil & Gas Property | Nov 2025 |
| 5451 | DUGOUT CREEK 1/12 BO | Roger Mills County, OK | Oil & Gas Property | Nov 2025 |
| 5452 | DUGOUT DRAW FEDERAL | Campbell County, WY | Gas Property | Jun 2012 |
| 5453 | DUGOUT FEDERAL 1-15 | Richland County, MT | Oil & Gas Property | Nov 2025 |
| 5454 | DUHRING | Forest County, PA | Oil & Gas Property | Dec 2024 |
| 5455 | DUIKER STATE | Reeves County, TX | Oil & Gas Property | Oct 2025 |
| 5456 | DUINK | Chautauqua County, NY | Gas Property | Dec 2024 |
| 5457 | DUKE | Carter County, OK | Oil Property | Oct 2025 |
| 5458 | DUKE | Lipscomb County, TX | Oil & Gas Property | Nov 2025 |
| 5459 | DUKE | Ohio County, KY | Oil Property | Dec 2023 |
| 5460 | DUKE | Weld County, CO | Oil & Gas Property | Mar 2020 |
| 5461 | DUKE | Hill County, TX | Gas Property | Nov 2025 |
| 5462 | DUKE | Tarrant County, TX | Gas Property | Nov 2025 |
| 5463 | DUKE | Grady County, OK | Oil & Gas Property | Nov 2025 |
| 5464 | DUKE | Claiborne Parish, LA | Oil & Gas Property | Dec 2024 |
| 5465 | DUKE | Lipscomb County, TX | Oil & Gas Property | Nov 2025 |
| 5466 | DUKE | Grady County, OK | Oil & Gas Property | Sep 2025 |
| 5467 | DUKE | Fisher County, TX | Oil & Gas Property | Nov 2025 |
| 5468 | DUKE | Lipscomb County, TX | Oil & Gas Property | Nov 2025 |
| 5469 | DUKE | Gaines County, TX | Oil & Gas Property | Nov 2025 |
| 5470 | DUKE | Allegany County, NY | Oil & Gas Property | Dec 2024 |
| 5471 | DUKE | Caldwell County, TX | Oil & Gas Property | Nov 2025 |
| 5472 | DUKE | Union County, AR | Oil & Gas Property | Nov 2025 |
| 5473 | DUKE | Ochiltree County, TX | Oil & Gas Property | Nov 2025 |
| 5474 | DUKE | Madison County, TX | Oil & Gas Property | Oct 2025 |
| 5475 | DUKE | Howard County, TX | Oil & Gas Property | Nov 2025 |
| 5476 | DUKE | San Juan County, NM | Oil & Gas Property | Nov 2025 |
| 5477 | DUKE | Grady County, OK | Oil & Gas Property | Jan 2010 |
| 5478 | DUKE | Claiborne Parish, LA | Oil & Gas Property | Nov 2024 |
| 5479 | DUKE | Harrison County, TX | Oil & Gas Property | Oct 2025 |
| 5480 | DUKE | McIntosh County, OK | Gas Property | Nov 2025 |
| 5481 | DUKE 18-35-8 1H | Harper County, KS | Oil & Gas Property | Sep 2025 |
| 5482 | DUKE 22-27 27 | Reagan County, TX | Oil & Gas Property | Nov 2025 |
| 5483 | DUKE 34X-31 | McKenzie County, ND | Oil & Gas Property | Dec 2025 |
| 5484 | DUKE 40 | Martin County, TX | Oil & Gas Property | Nov 2025 |
| 5485 | DUKE 8-8 | White County, AR | Gas Property | Jun 2024 |
| 5486 | DUKE BASIL | Lipscomb County, TX | Oil & Gas Property | Oct 2025 |
| 5487 | DUKE BASIL JR | Ochiltree County, TX | Oil & Gas Property | Nov 2025 |
| 5488 | DUKE E SHC HR 5H | Harrison County, OH | Gas Property | Sep 2025 |
| 5489 | DUKE ESTATE | Claiborne Parish, LA | Oil & Gas Property | Dec 2024 |
| 5490 | DUKE FLOYD | Limestone County, TX | Oil & Gas Property | Nov 2025 |
| 5491 | DUKE FRANC | Wise County, TX | Oil & Gas Property | Nov 2025 |
| 5492 | DUKE RANCH | Refugio County, TX | Oil & Gas Property | Nov 2025 |
| 5493 | DUKE RANCH | Goliad County, TX | Oil & Gas Property | Nov 2025 |
| 5494 | DUKE RUDMAN GAS UNIT | Panola County, TX | Oil & Gas Property | Nov 2025 |
| 5495 | DUKE SHC HR 3H | Harrison County, OH | Gas Property | Sep 2025 |
| 5496 | DUKE UNIT 36-72 9-1NH | Converse County, WY | Oil & Gas Property | Dec 2025 |
| 5497 | DUKE UNITED | Tarrant County, TX | Gas Property | Nov 2025 |
| 5498 | DUKE W SHC HR 1H | Harrison County, OH | Gas Property | Sep 2025 |
| 5499 | DUKE WILS | Sutton County, TX | Oil & Gas Property | Nov 2025 |
| 5500 | DUKE, BERNARD EUGENE BERNARD DUKE | Upshur County, WV | Oil & Gas Property | Dec 2021 |