| 401 | DALLISON, RICHARD | Wetzel County, WV | Gas Property | Dec 2021 |
| 402 | DALLMAN | Sherman County, KS | Gas Property | May 2026 |
| 403 | DALLMEYER | Washington County, TX | Oil & Gas Property | Jun 2026 |
| 404 | DALMATIAN | Grant County, OK | Oil & Gas Property | Jun 2026 |
| 405 | DALMATIAN 3 2 23 27 FEE | Eddy County, NM | Oil & Gas Property | Jul 2026 |
| 406 | DALMONT | Pittsburg County, OK | Gas Property | May 2025 |
| 407 | DALMORE | Burleson County, TX | Oil & Gas Property | May 2026 |
| 408 | DALMUT, DANNY TR 2 | Sebastian County, AR | Gas Property | Jun 2024 |
| 409 | DALRYMPLE | Sumner County, KS | Oil & Gas Property | Nov 1999 |
| 410 | DALRYMPLE | Grant County, OK | Oil & Gas Property | May 2026 |
| 411 | DALRYMPLE | Young County, TX | Oil & Gas Property | Jun 2025 |
| 412 | DALRYMPLE | Lee County, TX | Oil & Gas Property | Jun 2026 |
| 413 | DALRYMPLE SMF JF | Jefferson County, OH | Gas Property | Jun 2026 |
| 414 | DALSANT | San Juan County, NM | Oil & Gas Property | Jun 2026 |
| 415 | DALTEX MUNN | Culberson County, TX | Oil & Gas Property | Jun 2026 |
| 416 | DALTON | Parker County, TX | Oil & Gas Property | May 2026 |
| 417 | DALTON | Weld County, CO | Oil & Gas Property | Dec 2023 |
| 418 | DALTON | Kingman County, KS | Gas Property | Mar 2026 |
| 419 | DALTON | Clinton County, KY | Oil Property | Dec 2003 |
| 420 | DALTON | Big Horn County, WY | Oil Property | Jul 2026 |
| 421 | DALTON | De Soto Parish, LA | Gas Property | Dec 2024 |
| 422 | DALTON | Greenwood County, KS | Oil Property | May 2026 |
| 423 | DALTON | Rice County, KS | Oil Property | Mar 2026 |
| 424 | DALTON 1 | Woodward County, OK | Oil & Gas Property | Jun 2026 |
| 425 | DALTON UNIT | Tarrant County, TX | Gas Property | Jun 2026 |
| 426 | DALTON, EDDIE | Clinton County, KY | Oil Property | Nov 2022 |
| 427 | DALTREY UNIT | Gonzales County, TX | Oil & Gas Property | Jun 2026 |
| 428 | DALWHINNIE | Murray County, OK | Oil & Gas Property | Jun 2026 |
| 429 | DALWHINNIE 1605 | Kingfisher County, OK | Oil & Gas Property | Jun 2026 |
| 430 | DALY | Campbell County, WY | Gas Property | Mar 2011 |
| 431 | DALY | Campbell County, WY | Oil & Gas Property | Jul 2026 |
| 432 | DALY FE | Campbell County, WY | Gas Property | Jan 2012 |
| 433 | DALY FED | Campbell County, WY | Gas Property | Dec 2010 |
| 434 | DALY GAS UNIT NO. 7 | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 435 | DALY HEIRS | Latimer County, OK | Gas Property | Jun 2026 |
| 436 | DALY JACK | Wise County, TX | Oil & Gas Property | Jun 2026 |
| 437 | DALY UNIT | Wilson County, TX | Oil & Gas Property | Jun 2026 |
| 438 | DALY-HERRING | Wise County, TX | Gas Property | Jun 2026 |
| 439 | DALYNNE 15 PA | Dewey County, OK | Oil & Gas Property | Jul 2026 |
| 440 | DALZELL | Morgan County, OH | Oil & Gas Property | Dec 2025 |
| 441 | DALZIEL | Jones County, TX | Oil & Gas Property | Apr 2026 |
| 442 | DAM STATE 4 | Williams County, ND | Oil & Gas Property | Jun 2026 |
| 443 | DAMA DORADA 1 3 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Jun 2026 |
| 444 | DAMCOTT | Chautauqua County, NY | Gas Property | Dec 2025 |
| 445 | DAME | Greenwood County, KS | Oil Property | May 2026 |
| 446 | DAMERELL | Kearny County, KS | Gas Property | May 2026 |
| 447 | DAMERON | Midland County, TX | Oil & Gas Property | Jun 2026 |
| 448 | DAMFINO | Jackson County, CO | Oil & Gas Property | May 2026 |
| 449 | DAMHUES | Ochiltree County, TX | Oil & Gas Property | Jun 2026 |
| 450 | DAMICH 165 | Washington County, PA | Gas Property | Dec 2025 |
| 451 | DAMME | Finney County, KS | Oil & Gas Property | May 2026 |
| 452 | DAMME | Okmulgee County, OK | Oil Property | Dec 2017 |
| 453 | DAMMIER STATE | Webb County, TX | Oil & Gas Property | Jun 2026 |
| 454 | DAMORE 18 | Weld County, CO | Oil & Gas Property | May 2026 |
| 455 | DAMRON | Upton County, TX | Oil & Gas Property | Jun 2026 |
| 456 | DAMRON | Upton County, TX | Oil & Gas Property | Nov 2025 |
| 457 | DAMRON | Seminole County, OK | Oil Property | Dec 2009 |
| 458 | DAMRON | Pike County, KY | Oil & Gas Property | Dec 2024 |
| 459 | DAMRON | Beckham County, OK | Oil & Gas Property | Aug 2008 |
| 460 | DAMRON | Seminole County, OK | Oil Property | Mar 2026 |
| 461 | DAMRON | Cotton County, OK | Oil Property | Apr 2004 |
| 462 | DAMRON | Pike County, KY | Oil & Gas Property | Dec 2024 |
| 463 | DAMRON | Beckham County, OK | Oil & Gas Property | Jun 2026 |
| 464 | DAMRON 42 | Midland County, TX | Oil & Gas Property | Dec 2021 |
| 465 | DAMRON, GLYN | Sebastian County, AR | Gas Property | Jun 2024 |
| 466 | DAMRON, JAMES | Pike County, KY | Gas Property | Dec 2024 |
| 467 | DAMRON, L | Wyoming County, WV | Gas Property | Dec 2021 |
| 468 | DAMSEL FLY NYMPH | Johnson County, TX | Gas Property | Jul 2019 |
| 469 | DAN ACKLEY | Houston County, TX | Oil & Gas Property | Jun 2026 |
| 470 | DAN ALFORD 119 | Burleson County, TX | Oil & Gas Property | May 2026 |
| 471 | DAN ELLIS | Bradford County, PA | Gas Property | Jun 2026 |
| 472 | DAN F | Kingfisher County, OK | Oil & Gas Property | Jun 2026 |
| 473 | DAN GAS UNIT | Kearny County, KS | Gas Property | May 2026 |
| 474 | DAN JOE | Gray County, TX | Oil & Gas Property | May 2026 |
| 475 | DAN MCGOW | Toole County, MT | Oil & Gas Property | Sep 2025 |
| 476 | DAN TUHY 14-32H | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 477 | DANA | Garfield County, OK | Oil & Gas Property | Jun 2026 |
| 478 | DANA | Garza County, TX | Oil & Gas Property | Jun 2026 |
| 479 | DANA | Ventura County, CA | Oil & Gas Property | Jul 2026 |
| 480 | DANA 1-29H | Grady County, OK | Oil & Gas Property | Jun 2026 |
| 481 | DANA 17X | Roger Mills County, OK | Oil & Gas Property | Jun 2026 |
| 482 | DANA FEDERAL | Chaves County, NM | Gas Property | Jun 2026 |
| 483 | DANA RYAN | Pawnee County, OK | Oil Property | May 2026 |
| 484 | DANA-114 | Warren County, PA | Oil & Gas Property | Dec 2025 |
| 485 | DANBURG GAS COM B | San Juan County, NM | Oil & Gas Property | Jun 2026 |
| 486 | DANBURY UNIT | Red Willow County, NE | Oil Property | Dec 2025 |
| 487 | DANCE HALL 147-93-06B-07H | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 488 | DANCER | Montgomery County, KS | Oil Property | Dec 2019 |
| 489 | DANCER MATT | Limestone County, TX | Oil & Gas Property | Dec 2005 |
| 490 | DANCHO/BROWN | Fayette County, PA | Gas Property | Jun 2026 |
| 491 | DANCIGER | Lea County, NM | Oil & Gas Property | May 2026 |
| 492 | DANCIGER TRUST | Dallas County, TX | Gas Property | Jun 2026 |
| 493 | DANCING BULL 16-21H | Mountrail County, ND | Oil & Gas Property | Jun 2026 |
| 494 | DANCING BULL USA 32-14TFH | Dunn County, ND | Oil & Gas Property | Jun 2026 |
| 495 | DAND AND CO | La Salle County, TX | Oil & Gas Property | Jun 2026 |
| 496 | DAND AND CO UNIT I | La Salle County, TX | Oil & Gas Property | Jun 2026 |
| 497 | DANDOIS 482 | Tioga County, PA | Gas Property | Jun 2026 |
| 498 | DANDY 29/20 PA | Ellis County, OK | Oil & Gas Property | Jun 2026 |
| 499 | DANDY STATE 3774-16-21-1FH | Converse County, WY | Oil & Gas Property | Jul 2026 |
| 500 | DANE 1 | Logan County, KS | Oil Property | May 2026 |