| 1 | M. K. DREYFUS-BLOCKER | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 2 | MAGRILL | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 3 | MAHON-BENNETT-SHAW 1H | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 4 | MANN | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 5 | MANSINGER 1 | Harrison County, TX | Oil & Gas Property | Nov 2023 |
| 6 | MARGIE | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 7 | MARSH GAS UNIT | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 8 | MARSH KB | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 9 | MARSHALL | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 10 | MARTIN | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 11 | MARTIN | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 12 | MARTIN 1H | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 13 | MARTIN GU1 | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 14 | MASSINGALE | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 15 | MATTHEWS WILLIAM | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 16 | MAYFIELD J.B | Harrison County, TX | Oil & Gas Property | Nov 2023 |
| 17 | MAYFIELD-HARRIS (AW) | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 18 | MCCAULEY | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 19 | MCCLARAN | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 20 | MCCLENDON | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 21 | MCCOWAN 1 | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 22 | MCCOWAN OIL UNIT | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 23 | MCELROY HEIRS | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 24 | MCELROY VAN | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 25 | MCELROY-CHATHAM GAS UNIT | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 26 | MCGEE GAS UNIT | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 27 | MCINTOSH | Harrison County, TX | Oil & Gas Property | Aug 2020 |
| 28 | MCJIMSEY-WOOLWORTH HV UNIT | Harrison County, TX | Gas Property | Jan 2024 |
| 29 | MCKAY | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 30 | MCKENZIE | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 31 | MCLOFFLIN | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 32 | MCQUEEN GLORIA | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 33 | MEEK-HAYNES | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 34 | MERCER | Harrison County, TX | Oil & Gas Property | Jun 2023 |
| 35 | MHS-VANCE | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 36 | MIA AUSTIN | Harrison County, TX | Oil & Gas Property | Jun 2023 |
| 37 | MICHAELS | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 38 | MIKE 1 | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 39 | MILLER | Harrison County, TX | Oil & Gas Property | Nov 2023 |
| 40 | MILTON WOODS DEEP GAS UNIT | Harrison County, TX | Oil & Gas Property | Jul 2023 |
| 41 | MINK | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 42 | MINK HV GAS UNIT | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 43 | MITCHELL | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 44 | MITCHELL RUFUS | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 45 | MOBLEY GAS UNIT | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 46 | MOHON G | Harrison County, TX | Oil & Gas Property | Dec 2023 |
| 47 | MOORE | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 48 | MORGAN GAS UNIT | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 49 | MORRIS | Harrison County, TX | Oil & Gas Property | Dec 2023 |
| 50 | MOSELEY GU | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 51 | MOSELEY HV UNIT | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 52 | MOSLEY THELMA GAS UNIT | Harrison County, TX | Oil & Gas Property | Jan 2024 |
| 53 | MT-DELREY #1 | Harrison County, TX | Oil Property | Jan 2024 |