| 1 | M M NEUMAN | Toole County, MT | Oil Property | May 2025 |
| 2 | M MCCORMICK | Toole County, MT | Oil Property | May 2025 |
| 3 | M TETERUD | Glacier County, MT | Oil & Gas Property | Sep 2016 |
| 4 | M. EGGEN | Sheridan County, MT | Oil & Gas Property | Mar 2013 |
| 5 | M. SWEENEY | Toole County, MT | Oil Property | Nov 2023 |
| 6 | MA 2758 41-11B | Roosevelt County, MT | Oil & Gas Property | May 2025 |
| 7 | MABEL 1-14H | Richland County, MT | Oil & Gas Property | May 2025 |
| 8 | MACDONALD | Roosevelt County, MT | Oil Property | Nov 2024 |
| 9 | MACHALE-SCHILTZ | Toole County, MT | Gas Property | Oct 2024 |
| 10 | MACK | Park County, WY | Oil Property | May 2025 |
| 11 | MAGDA | Blaine County, MT | Gas Property | Sep 2009 |
| 12 | MAHLEN 24-32H | Richland County, MT | Oil & Gas Property | May 2025 |
| 13 | MAHONEY | Liberty County, MT | Oil & Gas Property | Apr 2025 |
| 14 | MAJERUS | Hill County, MT | Gas Property | May 2025 |
| 15 | MALEY | Toole County, MT | Oil Property | Mar 2025 |
| 16 | MALONE | Toole County, MT | Gas Property | Jun 2015 |
| 17 | MALONE | Toole County, MT | Gas Property | May 2025 |
| 18 | MALONEY | Toole County, MT | Oil & Gas Property | Apr 2025 |
| 19 | MALSAM | Blaine County, MT | Gas Property | May 2025 |
| 20 | MALSAM | Richland County, MT | Oil & Gas Property | May 2025 |
| 21 | MALTBY | Glacier County, MT | Oil Property | Sep 2020 |
| 22 | MANCORONEL | Pondera County, MT | Oil Property | May 2025 |
| 23 | MANG | Musselshell County, MT | Oil Property | Apr 2025 |
| 24 | MANN | Big Horn County, MT | Oil Property | Mar 2025 |
| 25 | MANUEL 1 | Hill County, MT | Gas Property | Mar 2011 |
| 26 | MANUSH 1-12H | Roosevelt County, MT | Oil & Gas Property | May 2025 |
| 27 | MARGARET | Richland County, MT | Oil & Gas Property | May 2025 |
| 28 | MARIE KRUGER | Glacier County, MT | Oil & Gas Property | Mar 2025 |
| 29 | MARILYN 2758 42-11H | Roosevelt County, MT | Oil & Gas Property | May 2025 |
| 30 | MARKER ( | Richland County, MT | Oil & Gas Property | May 2025 |
| 31 | MARLA | Richland County, MT | Oil & Gas Property | May 2025 |
| 32 | MARLIN 14-8H | Richland County, MT | Oil & Gas Property | May 2025 |
| 33 | MARMONT | Toole County, MT | Gas Property | Mar 2025 |
| 34 | MARRA | Hill County, MT | Gas Property | Jun 1996 |
| 35 | MARSH | Stillwater County, MT | Gas Property | Jan 1991 |
| 36 | MARSH | Blaine County, MT | Gas Property | May 2025 |
| 37 | MARTIN | Pondera County, MT | Oil Property | Dec 1999 |
| 38 | MARTIN | Toole County, MT | Oil Property | May 2025 |
| 39 | MARTIN | Teton County, MT | Oil Property | Apr 2025 |
| 40 | MARTIN 1-2 | Richland County, MT | Oil & Gas Property | May 2025 |
| 41 | MARVIN 14B-26 | Richland County, MT | Oil & Gas Property | May 2025 |
| 42 | MARVIN 2-11-14 | Richland County, MT | Oil & Gas Property | May 2025 |
| 43 | MARY REED | Big Horn County, MT | Oil Property | May 2025 |
| 44 | MARY WILSON 10-3H | Roosevelt County, MT | Oil & Gas Property | May 2025 |
| 45 | MASON | Roosevelt County, MT | Oil Property | Mar 1994 |
| 46 | MATADOR | Richland County, MT | Oil & Gas Property | May 2025 |
| 47 | MATADOR FEDERAL 2658 43-7H | Richland County, MT | Oil & Gas Property | May 2025 |
| 48 | MATHER | Glacier County, MT | Gas Property | May 2025 |
| 49 | MATTHEW 1-31H | Richland County, MT | Oil & Gas Property | May 2025 |
| 50 | MAUGHAN | Toole County, MT | Oil Property | Oct 1992 |
| 51 | MAVENCAMP | Phillips County, MT | Gas Property | Apr 2025 |
| 52 | MAYSON PHOENIX 17-20 | Richland County, MT | Oil & Gas Property | May 2025 |
| 53 | MCALPINE | Glacier County, MT | Oil Property | Mar 2025 |
| 54 | MCALPINE | Toole County, MT | Gas Property | May 2025 |
| 55 | MCCABE | Roosevelt County, MT | Oil & Gas Property | May 2025 |
| 56 | MCCARTER | Toole County, MT | Gas Property | Mar 2025 |
| 57 | MCCORMICK | Toole County, MT | Oil Property | Nov 2001 |
| 58 | MCCRACKEN | Pondera County, MT | Gas Property | Oct 2024 |
| 59 | MCCRACKEN 2758 | Roosevelt County, MT | Oil & Gas Property | May 2025 |
| 60 | MCCUTCHEON | Toole County, MT | Oil & Gas Property | Apr 2025 |
| 61 | MCCUTCHIN-WILLIAMS 2 | Powder River County, MT | Oil & Gas Property | Mar 2025 |
| 62 | MCDONALD CREEK | Petroleum County, MT | Oil Property | Mar 2004 |
| 63 | MCDONOUGH | Toole County, MT | Gas Property | Mar 2025 |
| 64 | MCDOWELL | Liberty County, MT | Oil Property | Mar 2025 |
| 65 | MCFARLAND | Pondera County, MT | Gas Property | Feb 2025 |
| 66 | MCGINNIS | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 67 | MCGOWAN | Roosevelt County, MT | Oil Property | Nov 2024 |
| 68 | MCGREGOR-NADEAU | Toole County, MT | Gas Property | Nov 2024 |
| 69 | MCGUINNESS | Glacier County, MT | Oil & Gas Property | May 2025 |
| 70 | MCHALE-SCHILTZ | Toole County, MT | Oil & Gas Property | Oct 2024 |
| 71 | MCHENRY | Richland County, MT | Oil & Gas Property | May 2025 |
| 72 | MCINTOSH | Hill County, MT | Gas Property | Apr 2007 |
| 73 | MCKECHNIE | Toole County, MT | Gas Property | Mar 2025 |
| 74 | MCKEE | Toole County, MT | Oil Property | Apr 2025 |
| 75 | MCKEE | Toole County, MT | Oil Property | Jul 2019 |
| 76 | MCKEE | Toole County, MT | Oil & Gas Property | Dec 2002 |
| 77 | MCKINNON | Sheridan County, MT | Oil & Gas Property | May 2022 |
| 78 | MCLEISH 1 | Blaine County, MT | Gas Property | May 2025 |
| 79 | MCMANUS | Toole County, MT | Oil & Gas Property | May 2025 |
| 80 | MCNAMER | Toole County, MT | Gas Property | Mar 2025 |
| 81 | MCNAMER | Toole County, MT | Oil Property | Oct 1995 |
| 82 | MCQUIGG | Liberty County, MT | Gas Property | Apr 2025 |
| 83 | MCSLOY | Hill County, MT | Gas Property | May 2025 |
| 84 | MCVAY | Richland County, MT | Oil & Gas Property | Mar 2025 |
| 85 | MEAGHER 16-30 | Sheridan County, MT | Oil & Gas Property | May 2025 |
| 86 | MEINS | Stillwater County, MT | Gas Property | Apr 2024 |
| 87 | MEISSNER | Liberty County, MT | Gas Property | Feb 2025 |
| 88 | MEISSNER | Liberty County, MT | Oil & Gas Property | May 2025 |
| 89 | MELBY | Sheridan County, MT | Oil & Gas Property | Apr 2025 |
| 90 | MELBY | Sheridan County, MT | Oil & Gas Property | May 2025 |
| 91 | MELDAHL | Richland County, MT | Oil & Gas Property | May 2025 |
| 92 | MELVIN | Richland County, MT | Oil & Gas Property | May 2025 |
| 93 | MERCER | Richland County, MT | Oil & Gas Property | May 2025 |
| 94 | MERCY FEDERAL 2759 44-11B | Roosevelt County, MT | Oil & Gas Property | May 2025 |
| 95 | MERRILL | Richland County, MT | Oil & Gas Property | Apr 2025 |
| 96 | MERRITT | Fallon County, MT | Oil & Gas Property | May 2025 |
| 97 | MESA-FE | Rosebud County, MT | Oil & Gas Property | Dec 2024 |
| 98 | METZGER | Hill County, MT | Gas Property | May 2025 |
| 99 | MEULI | Pondera County, MT | Gas Property | Oct 2024 |
| 100 | MICHAEL 1-27H | Richland County, MT | Oil & Gas Property | May 2025 |