| VT Burkholder #1HHZ42-283-35239 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | Temporarily abandonedGas | 7,770 | Nov 13, 2014 | 1 | — |
| Dietert #142-283-31039 | Bridger Environmental LLC only | La SalleSun T S H (Wilcox) | PluggedOil | 7,800 | Sep 16, 2010 | 2 | — |
| VT Burkholder #842-283-32171 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 8,012 | Oct 20, 2008 | 1 | Apr 2026 |
| VT Burkholder #942-283-32168 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,962 | Oct 11, 2008 | 1 | Jul 2024 |
| VT Burkholder #742-283-32165 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,912 | Oct 4, 2008 | 1 | Apr 2026 |
| VT Burkholder #642-283-32146 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,912 | Jul 18, 2008 | 1 | Mar 2026 |
| VT Burkholder #542-283-32147 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,944 | Jul 17, 2008 | 1 | Apr 2026 |
| VT Krause A. L. Estate #1242-283-32121 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,962 | May 21, 2008 | 1 | Apr 2026 |
| VT Krause A. L. Estate #1042-283-32120 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,912 | May 20, 2008 | 1 | Apr 2026 |
| VT Coleman Heirs #720142-283-32119 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 8,240 | May 15, 2008 | 1 | Apr 2026 |
| VT Coleman Heirs a #501142-283-32115 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 8,012 | May 8, 2008 | 1 | Apr 2026 |
| Light George III #542-283-32112 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,850 | Apr 24, 2008 | 1 | Apr 2026 |
| VT Holland Heirs Gas Unit #142-283-32110 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,900 | Apr 23, 2008 | 1 | Apr 2026 |
| VT Krause A. L. Estate #1142-283-32108 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,900 | Apr 4, 2008 | 1 | Apr 2026 |
| VT Burkholder Nell Jones GU #642-283-32098 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 8,000 | Mar 7, 2008 | 1 | Apr 2026 |
| VT Burkholder Nell Jones GU #542-283-32102 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 8,010 | Mar 5, 2008 | 1 | Apr 2026 |
| VT Burkholder Nell Jones GU #342-283-32073 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,912 | Dec 11, 2007 | 1 | Apr 2026 |
| TV Burkholder Nell Jones GU #442-283-32071 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,900 | Nov 21, 2007 | 1 | Apr 2026 |
| VT Burkholder Nell Jones GU #242-283-32070 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 8,012 | Nov 20, 2007 | 1 | Apr 2026 |
| Crisp Willard E. 26 #842-283-32047 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveOil | 7,350 | Jul 9, 2007 | 1 | Apr 2026 |
| Killam 299 #1242-283-32006 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | Temporarily abandonedGas | 7,250 | Jan 26, 2007 | 1 | Sep 2024 |
| Crisp Willard E. 26 #742-283-32003 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | Temporarily abandonedGas | 7,350 | Jan 4, 2007 | 1 | Apr 2024 |
| VT Krause A. L. Estate #9R42-283-31951 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 8,011 | Jul 3, 2006 | 1 | Apr 2026 |
| Crisp Willard E. 26 #642-283-31949 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,450 | Jun 13, 2006 | 1 | Apr 2026 |
| VT Krause A. L. Estate #742-283-31886 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | Temporarily abandonedGas | 8,045 | May 19, 2006 | 2 | Dec 2019 |
| VT Burkholder Nell Jones GU #142-283-31939 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 8,015 | May 1, 2006 | 2 | Apr 2026 |
| VT Killam & Gonzalez 299 #742-283-31933 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,510 | Mar 6, 2006 | 1 | Apr 2026 |
| Crisp Willard E. 26 #542-283-31905 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,200 | Oct 24, 2005 | 1 | Apr 2024 |
| Crisp Willard E. 26 #442-283-31895 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,250 | Jul 1, 2005 | 1 | Mar 2026 |
| Killam 299 #842-283-31893 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,250 | Jun 23, 2005 | 1 | Apr 2026 |
| Killam #342-283-31636 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | Temporarily abandonedGas | 10,600 | Dec 23, 2004 | 5 | Jun 2007 |
| Killam 299 #942-283-31847 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,400 | Sep 16, 2004 | 1 | Apr 2026 |
| Crisp Willard E. 26 #142-283-30285 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | Temporarily abandonedGas | 11,000 | Aug 12, 2004 | 1 | Jul 2013 |
| VT Pge Mineral Prop. Ltd 298 #342-283-31839 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,610 | Jul 28, 2004 | 1 | Apr 2026 |
| Killam #142-283-31661 | Virtex Operating Company Inc. only | La SalleAtlee (Olmos) | PluggedGas | 7,500 | Jan 7, 2004 | 2 | Nov 2010 |
| Killam 299 #1142-283-31811 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,365 | Oct 9, 2003 | 1 | Apr 2026 |
| Killam 299 #1042-283-31810 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | Temporarily abandonedGas | 7,444 | Oct 2, 2003 | 1 | Sep 2011 |
| VT Flores/Fouke #142-283-31808 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,620 | Sep 5, 2003 | 1 | Apr 2026 |
| VT Flores/Fouke #242-283-31809 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,712 | Sep 5, 2003 | 1 | Apr 2026 |
| VT Killiam & Gonzalez 299 #642-283-31805 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,595 | Aug 18, 2003 | 1 | Apr 2026 |
| VT Pge Mineral Prop. Ltd 298 #142-283-31803 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,495 | Jul 30, 2003 | 1 | Apr 2026 |
| VT Pge Mineral Prop. Ltd 298 #242-283-31804 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,470 | Jul 30, 2003 | 1 | Apr 2026 |
| Alderman #742-283-31795 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,550 | Jun 17, 2003 | 1 | Apr 2026 |
| Alderman #542-283-31796 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,500 | Jun 17, 2003 | 1 | Apr 2026 |
| VT Killam & Gonzalez 299 #442-283-31791 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,517 | May 29, 2003 | 1 | Apr 2026 |
| VT Killam & Gonzalez 299 #542-283-31792 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,512 | May 29, 2003 | 1 | Apr 2026 |
| Alderman #342-283-31787 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,600 | May 2, 2003 | 1 | Apr 2026 |
| VT Killam & Gonzalez 299 #342-283-31786 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,413 | Apr 28, 2003 | 1 | Apr 2026 |
| VT Killam & Gonzalez 299 #142-283-31775 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,410 | Jan 28, 2003 | 2 | Apr 2026 |
| VT Killam & Gonzalez 299 #242-283-31776 | Lewis Petro Properties Inc. only | La SalleAtlee (Olmos) | ActiveGas | 7,416 | Jan 28, 2003 | 2 | Apr 2026 |