| 401 | COYOTE FEDERAL 2758 43-8H | Roosevelt County, MT | Oil & Gas Property | Feb 2024 |
| 402 | COYOTE-DENNY 10-16H | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 403 | CP 33 | Richland County, MT | Oil & Gas Property | Mar 2024 |
| 404 | CRAWFORD A | Valley County, MT | Oil & Gas Property | Feb 2024 |
| 405 | CREIGHTON | Yellowstone County, MT | Oil Property | Jul 1993 |
| 406 | CROCKET 2958 42-21 1H | Roosevelt County, MT | Oil & Gas Property | Feb 2024 |
| 407 | CROFT | Toole County, MT | Gas Property | Nov 2023 |
| 408 | CROFT | Carbon County, MT | Oil & Gas Property | Aug 1988 |
| 409 | CROSS | Glacier County, MT | Oil Property | Jan 2024 |
| 410 | CROW TRIB | Big Horn County, MT | Oil Property | Jan 2024 |
| 411 | CROW TRIBAL | Big Horn County, MT | Oil Property | Jan 2024 |
| 412 | CROW TRIBAL | Big Horn County, MT | Oil Property | Oct 1997 |
| 413 | CROWE | Hill County, MT | Gas Property | Feb 2024 |
| 414 | CRUSCH | Roosevelt County, MT | Oil & Gas Property | Nov 2014 |
| 415 | CRUSCH | Roosevelt County, MT | Oil & Gas Property | Nov 2013 |
| 416 | CRUSCH | Roosevelt County, MT | Oil & Gas Property | Feb 2024 |
| 417 | CSTSU | Rosebud County, MT | Oil Property | Dec 2023 |
| 418 | CUNDIFF | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 419 | CUNDIFF 8-22 | Richland County, MT | Oil & Gas Property | Dec 2022 |
| 420 | CUNNINGHAM 1 | Hill County, MT | Gas Property | Apr 2016 |
| 421 | CURTIS HUNTER | Richland County, MT | Oil & Gas Property | Sep 2023 |
| 422 | DAD FRYE FEDERAL 2758 24-32B | Roosevelt County, MT | Oil & Gas Property | Feb 2024 |
| 423 | DAFOE | Liberty County, MT | Gas Property | Feb 2024 |
| 424 | DAHL | Valley County, MT | Oil & Gas Property | Feb 2024 |
| 425 | DAHL | Sheridan County, MT | Oil & Gas Property | Jan 2024 |
| 426 | DAHL | Sheridan County, MT | Oil & Gas Property | Feb 2024 |
| 427 | DAHLIN 2 | Hill County, MT | Gas Property | Feb 2024 |
| 428 | DAHLQUIST | Toole County, MT | Oil Property | Dec 2021 |
| 429 | DAHLQUIST | Glacier County, MT | Oil & Gas Property | Jan 2024 |
| 430 | DAISY MA | Roosevelt County, MT | Oil & Gas Property | Feb 2024 |
| 431 | DAKOTA | Toole County, MT | Oil & Gas Property | Feb 2024 |
| 432 | DAN MCGOW | Toole County, MT | Oil & Gas Property | Jan 2024 |
| 433 | DANIEL | Hill County, MT | Gas Property | Feb 2024 |
| 434 | DANIELS | Richland County, MT | Oil & Gas Property | Jun 2015 |
| 435 | DANIELS 33X-2 | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 436 | DANIELSON | Toole County, MT | Oil Property | Jun 2023 |
| 437 | DANNENBERG | Stillwater County, MT | Gas Property | May 1992 |
| 438 | DANSER 4 | Toole County, MT | Oil & Gas Property | Dec 2023 |
| 439 | DARLENE 41X-20 | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 440 | DAVE T 2958 13-25H | Roosevelt County, MT | Oil & Gas Property | Feb 2024 |
| 441 | DAVEY | Blaine County, MT | Gas Property | Feb 2024 |
| 442 | DAVEY | Toole County, MT | Oil Property | Apr 2005 |
| 443 | DAVEY | Hill County, MT | Gas Property | Feb 2024 |
| 444 | DAVID | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 445 | DAVID FEDERAL 2658 43-9H | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 446 | DAVIES 1-20H | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 447 | DAY GOVERNMENT | Toole County, MT | Oil Property | Jun 2016 |
| 448 | DECKER | Big Horn County, MT | Gas Property | Jun 2013 |
| 449 | DECKER FED | Big Horn County, MT | Gas Property | Jun 2013 |
| 450 | DECKER FEDERAL 2790 11 | Big Horn County, MT | Gas Property | Nov 2012 |
| 451 | DEES | Hill County, MT | Gas Property | Feb 2024 |
| 452 | DEHLBOM | Blaine County, MT | Gas Property | Feb 2024 |
| 453 | DEJAEGHER | Musselshell County, MT | Oil Property | Oct 2020 |
| 454 | DEL RE | Toole County, MT | Gas Property | Jan 2024 |
| 455 | DELANEY | Glacier County, MT | Gas Property | Jan 2024 |
| 456 | DELANEY FEDERAL 21-4 4-9H | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 457 | DEMAREST | Liberty County, MT | Oil & Gas Property | Jan 2024 |
| 458 | DENZER | Pondera County, MT | Oil Property | Oct 2023 |
| 459 | DEPARMENT | Toole County, MT | Oil Property | Feb 2024 |
| 460 | DETHMAN M | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 461 | DETIENNE | Roosevelt County, MT | Oil & Gas Property | Dec 2023 |
| 462 | DEVELIN GOV | Toole County, MT | Oil & Gas Property | Sep 2018 |
| 463 | DEVIN | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 464 | DEWALD | Hill County, MT | Gas Property | Jan 2024 |
| 465 | DEWEY | Sheridan County, WY | Gas Property | Jun 2015 |
| 466 | DEZORT 1 | Glacier County, MT | Gas Property | Jan 2024 |
| 467 | DIAL | Glacier County, MT | Oil & Gas Property | Dec 2022 |
| 468 | DIAL | Toole County, MT | Gas Property | Feb 2024 |
| 469 | DIANNE FEDERAL 2658 42-22H | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 470 | DICKEY (1 | Blaine County, MT | Gas Property | Feb 2024 |
| 471 | DIGE 41X-29DXA | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 472 | DION | Hill County, MT | Gas Property | Feb 2024 |
| 473 | DIPPLE | Toole County, MT | Oil Property | Feb 2024 |
| 474 | DIRK FEDERAL 1-22-21H | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 475 | DISCO 2959 13-30H | Roosevelt County, MT | Oil & Gas Property | Feb 2024 |
| 476 | DIX MONT STATE | Toole County, MT | Oil & Gas Property | Feb 2024 |
| 477 | DIXIE FEDERAL 2758 14-6H | Roosevelt County, MT | Oil & Gas Property | Feb 2024 |
| 478 | DK BRUINS | Toole County, MT | Oil Property | Feb 2024 |
| 479 | DONNA 31X-15BXC | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 480 | DONOVAN | Toole County, MT | Oil Property | Nov 1989 |
| 481 | DONOVAN | Toole County, MT | Oil Property | Jul 2023 |
| 482 | DORE | Richland County, MT | Oil & Gas Property | Nov 2023 |
| 483 | DORIGHT | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 484 | DOROTHY | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 485 | DOROTHY MELVIN 4 HSU | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 486 | DOUBLE V 1-21H | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 487 | DOUG | Slope County, ND | Oil & Gas Property | Mar 2024 |
| 488 | DOUGLAS 11X-14 | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 489 | DRAKE | Toole County, MT | Gas Property | Nov 2023 |
| 490 | DREES | Musselshell County, MT | Oil & Gas Property | Jun 1992 |
| 491 | DRINGMAN | Big Horn County, MT | Gas Property | Nov 2020 |
| 492 | DRY CREEK | Carbon County, MT | Oil & Gas Property | Jul 2023 |
| 493 | DUANE | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 494 | DUBOIS | Teton County, MT | Oil Property | Feb 2024 |
| 495 | DUBOIS | Teton County, MT | Oil Property | Aug 1996 |
| 496 | DUGOUT FEDERAL 1-15 | Richland County, MT | Oil & Gas Property | Feb 2024 |
| 497 | DULL | Liberty County, MT | Gas Property | Jan 2024 |
| 498 | DUMAS | Chouteau County, MT | Gas Property | Feb 2024 |
| 499 | DUNBAR | Blaine County, MT | Gas Property | Feb 2024 |
| 500 | DUNMORE | Big Horn County, MT | Gas Property | Jun 2017 |