| 601 | MULE 23 11 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 602 | MULE 23 FEDERAL | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 603 | MULE 24 FEDERAL | Eddy County, NM | Gas Property | Dec 2025 |
| 604 | MULE DEER 36 STATE | Lea County, NM | Oil & Gas Property | Dec 2025 |
| 605 | MULE DEER ATU FEDERAL COM | Eddy County, NM | Oil & Gas Property | Mar 2020 |
| 606 | MULE TRAIN 16 STATE | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 607 | MUNDS 1 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 608 | MUNN HARRISON | Lea County, NM | Gas Property | Nov 2025 |
| 609 | MUNOZ | San Juan County, NM | Oil & Gas Property | Dec 2025 |
| 610 | MUNOZ 29 8 1 | San Juan County, NM | Gas Property | Dec 2025 |
| 611 | MURCHISON 2 STATE | Eddy County, NM | Oil & Gas Property | Jan 1999 |
| 612 | MURPHY | San Juan County, NM | Oil & Gas Property | Dec 2025 |
| 613 | MURPHY NW FEDERAL COM | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 614 | MUSKEGON | Eddy County, NM | Oil & Gas Property | Sep 2023 |
| 615 | MUSKEGON SOUTH STATE | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 616 | MUSKIE 23 11 FEDERAL COM | Lea County, NM | Oil & Gas Property | Dec 2025 |
| 617 | MUSTANG 8 17 FEDERAL | Lea County, NM | Oil & Gas Property | Dec 2025 |
| 618 | MUSTANG 8 29 FEDERAL COM | Lea County, NM | Oil & Gas Property | Dec 2025 |
| 619 | MUSTANG FED | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 620 | MUSTANG FEDERAL | Lea County, NM | Oil & Gas Property | Feb 2001 |
| 621 | MUSTANG STATE | Lea County, NM | Oil & Gas Property | Jun 2013 |
| 622 | MUY WAYNO 18 FEDERAL | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 623 | MWJ FEDERAL | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 624 | MYD FEDERAL | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 625 | MYERS | Lea County, NM | Oil & Gas Property | Dec 2025 |
| 626 | MYERS B FEDERAL | Lea County, NM | Oil & Gas Property | Dec 2025 |
| 627 | MYERS LANGLIE MATTIX UNIT | Lea County, NM | Oil & Gas Property | Dec 2025 |
| 628 | MYERS LANGLIE MATTIX UNIT 1 | Lea County, NM | Oil & Gas Property | Dec 2025 |
| 629 | MYOX 19 | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 630 | MYOX 2 | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 631 | MYOX 20 FEDERAL COM | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 632 | MYOX 21 STATE COM | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 633 | MYOX 28 STATE COM | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 634 | MYOX 3 | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 635 | MYOX 30 STATE COM | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 636 | MYOX 31 STATE COM | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 637 | MYOX 5 STATE | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 638 | MYOX 6 STATE | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 639 | MYOX 8 STATE | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 640 | MYRTLE MYRA | Eddy County, NM | Oil & Gas Property | Dec 2025 |
| 641 | MYSTERY AYM FEDERAL | Eddy County, NM | Oil & Gas Property | Oct 2021 |