| 501 | MONTE CARLO COM | San Juan County, NM | Oil & Gas Property | Jan 2025 |
| 502 | MONTERA FEDERAL | Lea County, NM | Oil & Gas Property | Jan 2025 |
| 503 | MONTEREY | Eddy County, NM | Oil Property | Aug 2012 |
| 504 | MONTEZUMA 2307 07P COM | Rio Arriba County, NM | Oil & Gas Property | Jan 2025 |
| 505 | MONTGOMERY | San Juan County, NM | Oil & Gas Property | Jan 2025 |
| 506 | MONTIETH | Lea County, NM | Oil & Gas Property | Jul 2010 |
| 507 | MONTOYA | San Juan County, NM | Oil & Gas Property | Jan 2025 |
| 508 | MONTREAL FEDERAL COM | Chaves County, NM | Oil & Gas Property | Jan 2025 |
| 509 | MONUMENT | Lea County, NM | Oil & Gas Property | Dec 2024 |
| 510 | MONUMENT | Lea County, NM | Oil & Gas Property | Jan 2025 |
| 511 | MOONLIGHT BUTTRESS 26 FEDERAL | Lea County, NM | Oil & Gas Property | Jan 2025 |
| 512 | MOORE | Lea County, NM | Oil Property | Feb 2025 |
| 513 | MOORE | San Juan County, NM | Oil & Gas Property | Jan 2025 |
| 514 | MOORE | San Juan County, NM | Oil & Gas Property | Jan 2025 |
| 515 | MOORE FEDERAL COM | Eddy County, NM | Oil & Gas Property | Jan 2025 |
| 516 | MOORE GAS COM | San Juan County, NM | Oil & Gas Property | Jan 2025 |
| 517 | MOORE STATE | Eddy County, NM | Oil & Gas Property | Jan 2025 |
| 518 | MOOSE 23 FEDERAL | Eddy County, NM | Oil & Gas Property | Jan 2025 |
| 519 | MOPED BQP STATE | Chaves County, NM | Oil & Gas Property | Jul 2022 |
| 520 | MORAB 29 20 FEDERAL COM | Lea County, NM | Oil & Gas Property | Jan 2025 |
| 521 | MORAN 9 FEDERAL COM | Lea County, NM | Oil & Gas Property | Jan 2025 |
| 522 | MORAY FEDERAL | Eddy County, NM | Oil Property | Jan 2025 |
| 523 | MORELAND 29 10 26 | San Juan County, NM | Oil & Gas Property | Jan 2025 |
| 524 | MORGAN | San Juan County, NM | Gas Property | May 2011 |
| 525 | MORGAN A FEDERAL | Roosevelt County, NM | Oil & Gas Property | Dec 2014 |
| 526 | MORGAN B FEDERAL | Roosevelt County, NM | Oil & Gas Property | Jan 2020 |
| 527 | MORGAN FEE COM | Eddy County, NM | Oil & Gas Property | Jan 2025 |
| 528 | MORGAN STATE | Eddy County, NM | Oil Property | Dec 2024 |
| 529 | MORNING FEDERAL | Eddy County, NM | Oil & Gas Property | Jan 2025 |
| 530 | MORPHEUS 25 36 STATE COM | Lea County, NM | Oil & Gas Property | Jan 2025 |
| 531 | MORRIS | San Juan County, NM | Oil & Gas Property | Jan 2025 |
| 532 | MORRIS | San Juan County, NM | Gas Property | Jan 2025 |
| 533 | MORRIS | Eddy County, NM | Oil & Gas Property | Jan 2025 |
| 534 | MORRIS BOYD | Eddy County, NM | Oil & Gas Property | Jan 2025 |
| 535 | MORRIS ESTATE CC | Eddy County, NM | Oil & Gas Property | May 2019 |
| 536 | MORRIS GAS COM | San Juan County, NM | Oil & Gas Property | Jan 2025 |
| 537 | MORRIS GAS COM B | San Juan County, NM | Oil & Gas Property | Jan 2025 |
| 538 | MORRISON | Eddy County, NM | Oil & Gas Property | Jan 2025 |
| 539 | MORRISON | San Juan County, NM | Gas Property | Jan 2025 |
| 540 | MORTAL KOMBAT 36 STATE COM | Lea County, NM | Oil & Gas Property | Jan 2025 |
| 541 | MORTARBOARD FEDERAL COM | Lea County, NM | Oil & Gas Property | Jan 2025 |
| 542 | MORTON | San Juan County, NM | Oil & Gas Property | Jan 2025 |
| 543 | MORTON SZ FEDERAL | Chaves County, NM | Oil & Gas Property | Jan 2025 |
| 544 | MORTON UNIT | Lea County, NM | Oil & Gas Property | Jan 2025 |
| 545 | MOSAIC 34 FEDERAL | Eddy County, NM | Oil & Gas Property | Jan 2025 |
| 546 | MOSAIC FEDERAL 2419 | Eddy County, NM | Oil & Gas Property | Jan 2025 |
| 547 | MOSELEY | San Juan County, NM | Gas Property | Jan 2025 |
| 548 | MOSELEY 1 | San Juan County, NM | Gas Property | Jan 2025 |
| 549 | MOSLEY CANYON | Eddy County, NM | Oil & Gas Property | Jan 2025 |
| 550 | MOSSY FEDERAL | Eddy County, NM | Oil & Gas Property | Jan 2025 |
| 551 | MOTHER LODE | Rio Arriba County, NM | Oil & Gas Property | Feb 2025 |
| 552 | MOTLEY 6 7 W | Eddy County, NM | Oil & Gas Property | Jan 2025 |
| 553 | MOTLEY 6 7 W0 | Eddy County, NM | Oil & Gas Property | Jan 2025 |
| 554 | MOUNTAIN UTE | San Juan County, NM | Oil & Gas Property | Jan 2025 |
| 555 | MOUNTAIN VR FEDERAL COM | Chaves County, NM | Gas Property | Jan 2025 |
| 556 | MOUNTAIN-FEDERAL | Roosevelt County, NM | Oil & Gas Property | Jan 2022 |
| 557 | MOZZARELLA FEDERAL COM | Lea County, NM | Oil & Gas Property | Jan 2025 |
| 558 | MR POTATO HEAD 11 14 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Jan 2025 |
| 559 | MR WILLS FEDERAL | Lea County, NM | Oil & Gas Property | Oct 2024 |
| 560 | MR. SCOTT FEDERAL COM | Eddy County, NM | Oil & Gas Property | Jan 2025 |
| 561 | MUCHO DEAL | San Juan County, NM | Oil & Gas Property | Apr 2024 |
| 562 | MUD SLIDE SLIM | Lea County, NM | Oil & Gas Property | Feb 2016 |
| 563 | MUDDY MUDD | San Juan County, NM | Oil & Gas Property | Jan 2025 |
| 564 | MUDGE | San Juan County, NM | Oil & Gas Property | Jan 2025 |
| 565 | MUDGE | San Juan County, NM | Oil & Gas Property | Jan 2025 |
| 566 | MUDGE | San Juan County, NM | Gas Property | Jan 2025 |
| 567 | MUDGE FEDERAL | San Juan County, NM | Oil & Gas Property | Jan 2025 |
| 568 | MUDGE GAS COM | San Juan County, NM | Oil & Gas Property | Jan 2025 |
| 569 | MULE 11 23 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Jan 2025 |
| 570 | MULE 23 11 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Jan 2025 |
| 571 | MULE 23 FEDERAL | Eddy County, NM | Oil & Gas Property | Jan 2025 |
| 572 | MULE 24 FEDERAL | Eddy County, NM | Gas Property | Jan 2025 |
| 573 | MULE DEER 36 STATE | Lea County, NM | Oil & Gas Property | Jan 2025 |
| 574 | MULE DEER ATU FEDERAL COM | Eddy County, NM | Oil & Gas Property | Mar 2020 |
| 575 | MULE TRAIN 16 STATE | Eddy County, NM | Oil & Gas Property | Jan 2025 |
| 576 | MUNDS 1 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Jan 2025 |
| 577 | MUNN HARRISON | Lea County, NM | Gas Property | Jan 2025 |
| 578 | MUNNYNTHABANK STATE | Eddy County, NM | Oil & Gas Property | Jan 2025 |
| 579 | MUNOZ | San Juan County, NM | Oil & Gas Property | Jan 2025 |
| 580 | MUNOZ 29 8 1 | San Juan County, NM | Gas Property | Jan 2025 |
| 581 | MURCHISON 2 STATE | Eddy County, NM | Oil & Gas Property | Jan 1999 |
| 582 | MURPHY | San Juan County, NM | Oil & Gas Property | Jan 2025 |
| 583 | MUSIC MASTER 27 FEDERAL COM | Lea County, NM | Oil & Gas Property | Jan 2025 |
| 584 | MUSKEGON | Eddy County, NM | Oil & Gas Property | Sep 2023 |
| 585 | MUSKEGON SOUTH STATE | Eddy County, NM | Oil & Gas Property | Jan 2025 |
| 586 | MUSKIE 23 11 FEDERAL COM | Lea County, NM | Oil & Gas Property | Jan 2025 |
| 587 | MUSTANG 8 17 FEDERAL | Lea County, NM | Oil & Gas Property | Jan 2025 |
| 588 | MUSTANG 8 29 FEDERAL COM | Lea County, NM | Oil & Gas Property | Jan 2025 |
| 589 | MUSTANG FED | Eddy County, NM | Oil & Gas Property | Jan 2025 |
| 590 | MUSTANG FEDERAL | Lea County, NM | Oil & Gas Property | Feb 2001 |
| 591 | MUSTANG STATE | Lea County, NM | Oil & Gas Property | Jun 2013 |
| 592 | MUY WAYNO 18 FEDERAL | Eddy County, NM | Oil & Gas Property | Jan 2025 |
| 593 | MWJ FEDERAL | Eddy County, NM | Oil & Gas Property | Jan 2025 |
| 594 | MYERS | Lea County, NM | Oil & Gas Property | Jan 2025 |
| 595 | MYERS B FEDERAL | Lea County, NM | Oil & Gas Property | Jan 2025 |
| 596 | MYERS LANGLIE MATTIX UNIT | Lea County, NM | Oil & Gas Property | Jan 2025 |
| 597 | MYERS LANGLIE MATTIX UNIT 1 | Lea County, NM | Oil & Gas Property | Jan 2025 |
| 598 | MYOX 19 | Eddy County, NM | Oil & Gas Property | Jan 2025 |
| 599 | MYOX 2 | Eddy County, NM | Oil & Gas Property | Jan 2025 |
| 600 | MYOX 20 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Jan 2025 |