| Marshall S. G. #3542-505-36423 | Hilcorp Energy Company | ZapataJ. C. Martin (Lobo) | Temporarily abandonedGas | 10,498 | Apr 8, 2009 | 1 | Oct 2012 |
| Marshall S. G. #3942-505-36412 | Hilcorp Energy Company | ZapataJ. C. Martin (Lobo) | ActiveGas | 10,793 | Mar 20, 2009 | 1 | Jul 2026 |
| Mecom J. W. #13042-505-35145 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 9,220 | Dec 1, 2004 | 1 | Aug 2026 |
| Mecom J. W. #13142-505-35142 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 9,220 | Nov 18, 2004 | 1 | Aug 2026 |
| Mecom J. W. #12942-505-35134 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 9,787 | Nov 12, 2004 | 1 | Aug 2026 |
| Mecom J. W. #12842-505-35121 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | Temporarily abandonedGas | 9,380 | Nov 1, 2004 | 1 | Aug 2016 |
| Mecom J. W. #12642-505-35093 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 8,900 | Sep 7, 2004 | 1 | Aug 2026 |
| Mecom J. W. #12742-505-35094 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 9,500 | Sep 7, 2004 | 1 | Aug 2026 |
| Mecom J. W. #12542-505-35078 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 9,100 | Aug 18, 2004 | 1 | Aug 2026 |
| Mecom J. W. #12442-505-35029 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 10,450 | Jun 18, 2004 | 2 | Aug 2026 |
| Mecom J. W. #12242-505-35024 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 8,828 | Jun 15, 2004 | 1 | Aug 2026 |
| Mecom J. W. #10942-505-34090 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 10,219 | Feb 5, 2004 | 2 | Dec 2009 |
| Mecom J. W. #11942-505-34925 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 9,501 | Feb 3, 2004 | 1 | Aug 2026 |
| Mecom J. W. #12042-505-34926 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 9,160 | Feb 3, 2004 | 1 | Aug 2026 |
| Mecom J. W. #12142-505-34927 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 9,280 | Feb 3, 2004 | 1 | Aug 2026 |
| Mecom J. W. #12342-505-34928 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 8,854 | Feb 3, 2004 | 1 | Aug 2026 |
| Mecom J. W. #11642-505-34653 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 8,815 | Jan 21, 2003 | 1 | Aug 2026 |
| Mecom J. W. #11742-505-34654 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 8,509 | Jan 21, 2003 | 3 | Aug 2026 |
| Mecom J. W. #11842-505-34655 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 9,630 | Jan 21, 2003 | 1 | Aug 2026 |
| Mecom J. W. #11542-505-34294 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | Temporarily abandonedGas | 10,340 | Feb 9, 2001 | 1 | Mar 2002 |
| Mecom J. W. #11442-505-34193 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | Temporarily abandonedGas | 9,600 | Aug 14, 2000 | 1 | Aug 2014 |
| Mecom J. W. #11342-505-34192 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 9,676 | Aug 10, 2000 | 1 | Aug 2026 |
| Vergara G. B. et al #842-505-34177 | Hilcorp Energy Company | ZapataJ. C. Martin (Lobo) | ActiveGas | 10,010 | Jul 17, 2000 | 1 | Jul 2026 |
| Mecom J. W. #11242-505-34127 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 9,750 | Apr 27, 2000 | 1 | Aug 2026 |
| Mecom J. W. #10842-505-34070 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 9,900 | Apr 6, 2000 | 2 | Aug 2026 |
| Mecom J. W. #11142-505-34111 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 9,750 | Apr 3, 2000 | 1 | Aug 2026 |
| Mecom J. W. #11042-505-34104 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 9,934 | Mar 17, 2000 | 1 | Aug 2026 |
| Mecom J. W. #4242-505-31481 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 9,300 | Feb 8, 2000 | 2 | Jun 2026 |
| Mecom J. W. #10742-505-34029 | Paleo Oil Company LLC | ZapataLa Perla (Lobo Cons.) | ActiveGas | 9,992 | Nov 12, 1999 | 2 | Jul 2026 |
| Mecom J. W. #10642-505-34022 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 9,350 | Oct 18, 1999 | 1 | Aug 2026 |
| Mecom J. W. #10542-505-34009 | Paleo Oil Company LLC | ZapataJ. C. Martin (Wilcox 8150) | ActiveGas | 10,400 | Sep 20, 1999 | 2 | Aug 2026 |
| Mecom J. W. #10442-505-33991 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 10,200 | Aug 30, 1999 | 1 | Aug 2026 |
| Mecom J. W. #10342-505-33972 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 9,875 | Jul 28, 1999 | 1 | Aug 2026 |
| Mann E & E Trust #242-505-33898 | Hugoton Operating Company Inc. | ZapataJ. C. Martin (Lobo) | Temporarily abandonedGas | 10,550 | Feb 3, 1999 | 1 | Mar 2025 |
| Mecom J. W. #10242-505-33857 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 10,360 | Sep 21, 1998 | 1 | Aug 2026 |
| Mecom J. W. #10042-505-33840 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 10,400 | Aug 3, 1998 | 1 | Aug 2026 |
| Mecom J. W. #9942-505-33828 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 10,523 | Jul 10, 1998 | 1 | Dec 2009 |
| Mecom J. W. #9842-505-33816 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 10,200 | Jun 15, 1998 | 1 | Aug 2026 |
| Mecom J. W. #9742-505-33810 | Paleo Oil Company LLC | ZapataLa Perla Ranch (9800) | ActiveGas | 10,335 | May 22, 1998 | 1 | Aug 2014 |
| Mecom J. W. #93ST42-505-33782 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | Temporarily abandonedGas | 9,029 | Apr 1, 1998 | 2 | Jul 2002 |
| Mecom J. W. #9242-505-33747 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 10,702 | Jan 23, 1998 | 1 | Aug 2026 |
| Mann E. E. Trust et al 142 #142-505-33730 | Varas Energy Operating Company | ZapataJ. C. Martin (Lobo) | ActiveGas | 10,500 | Dec 12, 1997 | 1 | Aug 2026 |
| Mecom J. W. #9142-505-33728 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 9,995 | Dec 11, 1997 | 3 | Aug 2026 |
| Mecom J. W. #9042-505-33714 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 9,227 | Nov 24, 1997 | 1 | Aug 2026 |
| Mecom J. W. #8942-505-33684 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 9,200 | Sep 24, 1997 | 1 | Aug 2026 |
| Escamilla #142-505-33656 | Varas Energy Operating Company | ZapataJ. C. Martin (Lobo) | ActiveGas | 10,520 | Jul 28, 1997 | 1 | Aug 2026 |
| Mecom J. W. #8842-505-33609 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 9,649 | May 15, 1997 | 3 | Aug 2026 |
| Mecom J. W. #8742-505-33590 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 9,000 | Apr 21, 1997 | 1 | Aug 2026 |
| Mecom J. W. #8642-505-33581 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 10,150 | Mar 31, 1997 | 1 | Aug 2026 |
| Mecom J. W. #8542-505-33570 | Paleo Oil Company LLC | ZapataJ. C. Martin (Lobo) | ActiveGas | 9,900 | Mar 7, 1997 | 2 | Aug 2026 |