| 501 | MONCRIEF | San Juan County, NM | Oil & Gas Property | Apr 2025 |
| 502 | MONCRIEF COM | San Juan County, NM | Oil & Gas Property | Mar 2025 |
| 503 | MONCRIEF FEDERAL | San Juan County, NM | Oil & Gas Property | Mar 2025 |
| 504 | MONCRIEF STATE | Eddy County, NM | Oil & Gas Property | Mar 2025 |
| 505 | MONET FEDERAL COM | Lea County, NM | Oil & Gas Property | Apr 2025 |
| 506 | MONEY GRAHAM | Eddy County, NM | Oil & Gas Property | Mar 2025 |
| 507 | MONGO 25 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Feb 2025 |
| 508 | MONGOOSE FEE | Lea County, NM | Oil & Gas Property | Mar 2025 |
| 509 | MONK 21 STATE | Lea County, NM | Oil & Gas Property | Mar 2025 |
| 510 | MONSANTO 30 STATE | Lea County, NM | Oil & Gas Property | Apr 2025 |
| 511 | MONSANTO STATE | Lea County, NM | Oil & Gas Property | Aug 2020 |
| 512 | MONSTATE | Lea County, NM | Gas Property | Mar 2025 |
| 513 | MONTANA 1 FEE | Eddy County, NM | Oil & Gas Property | Dec 2015 |
| 514 | MONTE CARLO COM | San Juan County, NM | Oil & Gas Property | Mar 2025 |
| 515 | MONTERA FEDERAL | Lea County, NM | Oil & Gas Property | Apr 2025 |
| 516 | MONTEREY | Eddy County, NM | Oil Property | Aug 2012 |
| 517 | MONTEZUMA 2307 07P COM | Rio Arriba County, NM | Oil & Gas Property | Mar 2025 |
| 518 | MONTGOMERY | San Juan County, NM | Oil & Gas Property | Mar 2025 |
| 519 | MONTIETH | Lea County, NM | Oil & Gas Property | Jul 2010 |
| 520 | MONTOYA | San Juan County, NM | Oil & Gas Property | Apr 2025 |
| 521 | MONTREAL FEDERAL COM | Chaves County, NM | Oil & Gas Property | Apr 2025 |
| 522 | MONUMENT | Lea County, NM | Oil & Gas Property | Mar 2025 |
| 523 | MONUMENT | Lea County, NM | Oil & Gas Property | Mar 2025 |
| 524 | MOORE | San Juan County, NM | Oil & Gas Property | Mar 2025 |
| 525 | MOORE | San Juan County, NM | Oil & Gas Property | Mar 2025 |
| 526 | MOORE FEDERAL COM | Eddy County, NM | Oil & Gas Property | Mar 2025 |
| 527 | MOORE GAS COM | San Juan County, NM | Oil & Gas Property | Mar 2025 |
| 528 | MOORE STATE | Eddy County, NM | Oil & Gas Property | Mar 2025 |
| 529 | MOOSE 23 FEDERAL | Eddy County, NM | Oil & Gas Property | Apr 2025 |
| 530 | MOPED BQP STATE | Chaves County, NM | Oil & Gas Property | Jul 2022 |
| 531 | MORAB 29 20 FEDERAL COM | Lea County, NM | Oil & Gas Property | Mar 2025 |
| 532 | MORAN 9 FEDERAL COM | Lea County, NM | Oil & Gas Property | Mar 2025 |
| 533 | MORAY FEDERAL | Eddy County, NM | Oil Property | Mar 2025 |
| 534 | MORELAND 29 10 26 | San Juan County, NM | Oil & Gas Property | Mar 2025 |
| 535 | MORGAN | San Juan County, NM | Gas Property | May 2011 |
| 536 | MORGAN A FEDERAL | Roosevelt County, NM | Oil & Gas Property | Dec 2014 |
| 537 | MORGAN B FEDERAL | Roosevelt County, NM | Oil & Gas Property | Jan 2020 |
| 538 | MORGAN FEE COM | Eddy County, NM | Oil & Gas Property | Mar 2025 |
| 539 | MORGAN STATE | Eddy County, NM | Oil Property | Mar 2025 |
| 540 | MORNING FEDERAL | Eddy County, NM | Oil & Gas Property | Mar 2025 |
| 541 | MORPHEUS 25 36 STATE COM | Lea County, NM | Oil & Gas Property | Mar 2025 |
| 542 | MORRIS | San Juan County, NM | Oil & Gas Property | Mar 2025 |
| 543 | MORRIS | San Juan County, NM | Gas Property | Mar 2025 |
| 544 | MORRIS | Eddy County, NM | Oil & Gas Property | Feb 2025 |
| 545 | MORRIS BOYD | Eddy County, NM | Oil & Gas Property | Mar 2025 |
| 546 | MORRIS ESTATE CC | Eddy County, NM | Oil & Gas Property | May 2019 |
| 547 | MORRIS GAS COM | San Juan County, NM | Oil & Gas Property | Mar 2025 |
| 548 | MORRIS GAS COM B | San Juan County, NM | Oil & Gas Property | Mar 2025 |
| 549 | MORRISON | Eddy County, NM | Oil & Gas Property | Mar 2025 |
| 550 | MORRISON | San Juan County, NM | Gas Property | Mar 2025 |
| 551 | MORTAL KOMBAT 36 STATE COM | Lea County, NM | Oil & Gas Property | Mar 2025 |
| 552 | MORTARBOARD FEDERAL COM | Lea County, NM | Oil & Gas Property | Apr 2025 |
| 553 | MORTON | San Juan County, NM | Oil & Gas Property | Mar 2025 |
| 554 | MORTON SZ FEDERAL | Chaves County, NM | Oil & Gas Property | Mar 2025 |
| 555 | MORTON UNIT | Lea County, NM | Oil & Gas Property | Apr 2025 |
| 556 | MOSAIC 34 FEDERAL | Eddy County, NM | Oil & Gas Property | Apr 2025 |
| 557 | MOSAIC FEDERAL 2419 | Eddy County, NM | Oil & Gas Property | Mar 2025 |
| 558 | MOSELEY | San Juan County, NM | Gas Property | Mar 2025 |
| 559 | MOSELEY 1 | San Juan County, NM | Gas Property | Apr 2025 |
| 560 | MOSLEY CANYON | Eddy County, NM | Oil & Gas Property | Mar 2025 |
| 561 | MOSSY FEDERAL | Eddy County, NM | Oil & Gas Property | Apr 2025 |
| 562 | MOTHER LODE | Rio Arriba County, NM | Oil & Gas Property | Apr 2025 |
| 563 | MOTLEY 6 7 W | Eddy County, NM | Oil & Gas Property | Mar 2025 |
| 564 | MOTLEY 6 7 W0 | Eddy County, NM | Oil & Gas Property | Mar 2025 |
| 565 | MOUNTAIN UTE | San Juan County, NM | Oil & Gas Property | Mar 2025 |
| 566 | MOUNTAIN VR FEDERAL COM | Chaves County, NM | Gas Property | Mar 2025 |
| 567 | MOUNTAIN-FEDERAL | Roosevelt County, NM | Oil & Gas Property | Jan 2022 |
| 568 | MOZZARELLA FEDERAL COM | Lea County, NM | Oil & Gas Property | Mar 2025 |
| 569 | MR POTATO HEAD 11 14 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Mar 2025 |
| 570 | MR WILLS FEDERAL | Lea County, NM | Oil & Gas Property | Mar 2025 |
| 571 | MR. SCOTT FEDERAL COM | Eddy County, NM | Oil & Gas Property | Apr 2025 |
| 572 | MUCHO DEAL | San Juan County, NM | Oil & Gas Property | Mar 2025 |
| 573 | MUD SLIDE SLIM | Lea County, NM | Oil & Gas Property | Feb 2016 |
| 574 | MUDDY MUDD | San Juan County, NM | Oil & Gas Property | Mar 2025 |
| 575 | MUDGE | San Juan County, NM | Oil & Gas Property | Mar 2025 |
| 576 | MUDGE | San Juan County, NM | Oil & Gas Property | Mar 2025 |
| 577 | MUDGE | San Juan County, NM | Gas Property | Mar 2025 |
| 578 | MUDGE FEDERAL | San Juan County, NM | Oil & Gas Property | Mar 2025 |
| 579 | MUDGE GAS COM | San Juan County, NM | Oil & Gas Property | Mar 2025 |
| 580 | MULE 11 23 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Mar 2025 |
| 581 | MULE 23 11 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Mar 2025 |
| 582 | MULE 23 FEDERAL | Eddy County, NM | Oil & Gas Property | Apr 2025 |
| 583 | MULE 24 FEDERAL | Eddy County, NM | Gas Property | Apr 2025 |
| 584 | MULE DEER 36 STATE | Lea County, NM | Oil & Gas Property | Mar 2025 |
| 585 | MULE DEER ATU FEDERAL COM | Eddy County, NM | Oil & Gas Property | Mar 2020 |
| 586 | MULE TRAIN 16 STATE | Eddy County, NM | Oil & Gas Property | Mar 2025 |
| 587 | MUNDS 1 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Mar 2025 |
| 588 | MUNN HARRISON | Lea County, NM | Gas Property | Mar 2025 |
| 589 | MUNOZ | San Juan County, NM | Oil & Gas Property | Mar 2025 |
| 590 | MURCHISON 2 STATE | Eddy County, NM | Oil & Gas Property | Jan 1999 |
| 591 | MURPHY | San Juan County, NM | Oil & Gas Property | Mar 2025 |
| 592 | MUSIC MASTER 27 FEDERAL COM | Lea County, NM | Oil & Gas Property | Apr 2025 |
| 593 | MUSKEGON | Eddy County, NM | Oil & Gas Property | Sep 2023 |
| 594 | MUSKEGON SOUTH STATE | Eddy County, NM | Oil & Gas Property | Mar 2025 |
| 595 | MUSKIE 23 11 FEDERAL COM | Lea County, NM | Oil & Gas Property | Mar 2025 |
| 596 | MUSTANG 8 17 FEDERAL | Lea County, NM | Oil & Gas Property | Mar 2025 |
| 597 | MUSTANG 8 29 FEDERAL COM | Lea County, NM | Oil & Gas Property | Mar 2025 |
| 598 | MUSTANG FED | Eddy County, NM | Oil & Gas Property | Mar 2025 |
| 599 | MUSTANG FEDERAL | Lea County, NM | Oil & Gas Property | Feb 2001 |
| 600 | MUSTANG STATE | Lea County, NM | Oil & Gas Property | Jun 2013 |