| 1 | M. RAMIREZ GAS UNIT | Duval County, TX | Oil & Gas Property | Feb 2024 |
| 2 | MAG.DUVAL RANCH SEC. 208-209 | Duval County, TX | Oil & Gas Property | Jan 2026 |
| 3 | MAGNOLIA-DUVAL RANCH SEC. 208-09 | Duval County, TX | Oil & Gas Property | Jan 2026 |
| 4 | MARCHBANKS | Duval County, TX | Oil & Gas Property | Jan 2026 |
| 5 | MARCHBANKS-CADENA | Duval County, TX | Oil & Gas Property | Aug 2023 |
| 6 | MARTIN R. S | Duval County, TX | Oil & Gas Property | Jan 2026 |
| 7 | MARTIN, ALBERT | Duval County, TX | Oil & Gas Property | Dec 2025 |
| 8 | MEEK W. W | Duval County, TX | Oil & Gas Property | Jan 2026 |
| 9 | MOBIL FEE | Duval County, TX | Oil & Gas Property | Jan 2026 |
| 10 | MOFFETT L.P | Duval County, TX | Oil & Gas Property | Dec 2024 |
| 11 | MOODY | Duval County, TX | Oil & Gas Property | Jan 2026 |
| 12 | MOORE | Duval County, TX | Oil & Gas Property | Jan 2026 |
| 13 | MOOS H. E. & H. A | Duval County, TX | Oil & Gas Property | Feb 2025 |