| 1 | M. FLORES 1 | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 2 | M. G. GARZA G | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 3 | M.L.E.I. MARSHALL S. G | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 4 | MANN E. E. TRUST | Zapata County, TX | Gas Property | Jan 2025 |
| 5 | MARIA CUELLAR 1 | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 6 | MARSHALL | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 7 | MARSHALL | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 8 | MARSHALL S. G. 1 | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 9 | MARSHALL STANLEY G. ET AL | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 10 | MARTIN J.C | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 11 | MARTINEZ | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 12 | MARTINEZ | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 13 | MARTINEZ | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 14 | MARTINEZ | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 15 | MARTINEZ ADRIAN GAS UNIT | Zapata County, TX | Gas Property | Jan 2025 |
| 16 | MARTINEZ ANTONIO | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 17 | MARTINEZ ANTONIO ET AL | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 18 | MARTINEZ EUDOXIO GAS UNIT | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 19 | MARTINEZ M | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 20 | MARTINEZ MERCUR | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 21 | MARTINEZ MINERALS | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 22 | MARTINEZ R | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 23 | MARTINEZ, ADELA M. ET AL | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 24 | MARTINEZ-ALEXANDER GAS UNIT | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 25 | MARTINEZ-RAMIREZ G | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 26 | MCASKILL | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 27 | MCCAMPBELL E.A | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 28 | MCCANN | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 29 | MCGRATH | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 30 | MCMURREY | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 31 | MECOM J. W | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 32 | MECOM J. W | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 33 | MECON J. W. 8 | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 34 | MENDOZA | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 35 | MENDOZA | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 36 | MENDOZA B 1 | Zapata County, TX | Oil & Gas Property | Dec 2024 |
| 37 | MENDOZA E. G. GAS UNIT | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 38 | MERCURIO | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 39 | MERCURIO MARTINEZ ET AL UNIT | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 40 | MOFFAT ELZA GUTIERREZ | Zapata County, TX | Oil & Gas Property | Jul 2020 |
| 41 | MORALES | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 42 | MORALES | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 43 | MUNOZ | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 44 | MUNOZ FERNANDO | Zapata County, TX | Oil & Gas Property | Dec 2024 |
| 45 | MUNOZ-GUTIERREZ GAS UNIT | Zapata County, TX | Oil & Gas Property | Jan 2025 |
| 46 | MUZZA G. P | Zapata County, TX | Oil & Gas Property | Jan 2025 |