| State 36 #001C30-015-36806 | Reef Exploration, L.P. only | Eddy, NMLivingston Ridge; Delaware | CanceledOil | 6,100 | Dec 18, 2008 | 0 | 0 |
| Federal 12 #002E30-015-35809 | Reef Exploration, L.P. only | Eddy, NMLivingston Ridge; Delaware, SE | CanceledOil | 8,500 | Sep 11, 2007 | 0 | 0 |
| Federal 12 #001E30-015-35792 | Reef Exploration, L.P. only | Eddy, NMLivingston Ridge; Delaware, SE | CanceledOil | 8,500 | Sep 7, 2007 | 0 | 0 |
| Federal 1 #004C30-015-35793 | Reef Exploration, L.P. only | Eddy, NMLivingston Ridge; Delaware, SE | CanceledOil | 8,500 | Sep 7, 2007 | 0 | 0 |
| Federal 1 #003C30-015-35794 | Reef Exploration, L.P. only | Eddy, NMLivingston Ridge; Delaware, SE | CanceledOil | 8,500 | Sep 7, 2007 | 0 | 0 |
| Federal 1 #002C30-015-35795 | Reef Exploration, L.P. only | Eddy, NMLivingston Ridge; Delaware, SE | CanceledOil | 8,500 | Sep 7, 2007 | 0 | 0 |
| Federal 1 #001C30-015-35796 | Reef Exploration, L.P. only | Eddy, NMLivingston Ridge; Delaware, SE | CanceledOil | 8,500 | Sep 7, 2007 | 0 | 0 |
| State 2 #007C30-015-35748 | Reef Exploration, L.P. only | Eddy, NMLivingston Ridge; Delaware, South | PluggedOil | 8,700 | Aug 5, 2007 | 0 | 0 |
| State 36 #004C30-015-35672 | Reef Exploration, L.P. only | Eddy, NMLivingston Ridge; Delaware, South | CanceledOil | 8,700 | Jul 11, 2007 | 0 | 0 |
| State 36 #001C30-015-35669 | Reef Exploration, L.P. only | Eddy, NMLivingston Ridge; Delaware | CanceledOil | 8,700 | Jun 20, 2007 | 0 | 0 |
| State 36 #002C30-015-35670 | Reef Exploration, L.P. only | Eddy, NMLivingston Ridge; Delaware | CanceledOil | 8,700 | Jun 20, 2007 | 0 | 0 |
| State 36 #003C30-015-35671 | Reef Exploration, L.P. only | Eddy, NMLivingston Ridge; Delaware | CanceledOil | 8,700 | Jun 20, 2007 | 0 | 0 |
| Cole Ranch 45 #242-173-33302 | Reef Exploration, L.P.permit operator | Glasscock, TXSpraberry (Trend Area) | Drilled | 8,900 | Mar 26, 2007 | — | — |
| Welton Jetton #142-285-33351 | Reef Exploration L.P. only | Lavaca, TXHope (Wilcox Massive) | PluggedGas | 11,400 | Oct 31, 2006 | — | — |
| Robertson #142-355-33801 | Reef Exploration L.P. only | Nueces, TXAgua Dulce (Vicksburg Consl.) | PluggedGas | 10,500 | Jul 21, 2006 | — | — |
| Halls Bayou Ranch Tr. 4 Unit #242-167-31409 | Reef Exploration L.P. only | Galveston, TXTreasure Isle (Big Gas Sand) | PluggedGas | 15,355 | Oct 20, 2004 | — | — |
| State of Texas #342-167-31396 | Reef Exploration L.P. only | Galveston, TXTreasure Isle (Big Gas Sand) | PluggedGas | 14,400 | Feb 17, 2004 | — | — |
| State of Texas #142-167-31260 | Reef Exploration L.P. only | Galveston, TXTreasure Isle (Big Gas Sand) | PluggedGas | 13,500 | Jun 11, 2003 | — | — |
| Houston Farms #2C42-167-31265 | Reef Exploration L.P. only | Galveston, TXLonghorn Ranch (Stephanie Sand) | PluggedGas | 13,500 | Feb 5, 2002 | — | — |
| Houston Farms #1C42-167-31257 | Reef Exploration L.P. only | Galveston, TXLonghorn Ranch (Stephanie Sand) | PluggedGas | 7,000 | Jan 14, 2002 | — | — |
| Halls Bayou Ranch #8R42-167-31349 | Reef Exploration L.P. only | Galveston, TXTreasure Isle (Alibel) | PluggedGas | 18,000 | Dec 8, 2000 | — | — |
| Halls Bayou Ranch #842-167-31303 | Reef Exploration L.P. only | Galveston, TXTreasure Isle (Big Gas Sand) | PluggedGas | 17,000 | Sep 27, 2000 | — | — |
| Morris Harold #242-167-31296 | Reef Exploration L.P. only | Galveston, TXAlta Loma East (Andrau) | PluggedGas | 18,000 | Aug 8, 1997 | — | — |
| Morris Harold #142-167-31289 | Reef Exploration L.P. only | Galveston, TXCow Gully (Lower Weiting) | PluggedGas | 14,000 | May 7, 1997 | — | — |
| Halls Bayou Ranch 6 #642-167-31285 | Reef Exploration L.P. only | Galveston, TXTreasure Isle (Big Gas Sand) | PluggedGas | 14,000 | Mar 13, 1997 | — | — |
| Houston Farms #1 B42-167-31255 | Reef Exploration L.P. only | Galveston, TXLonghorn Ranch (Kenbel Sand) | PluggedGas | 7,000 | Mar 19, 1996 | — | — |
| State of Texas #242-167-31267 | Reef Exploration L.P. only | Galveston, TXTreasure Isle (Alibel) | PluggedGas | 13,700 | Nov 16, 1995 | — | — |
| Halls Bayou Ranch #2S42-167-31249 | Reef Exploration L.P. only | Galveston, TXTreasure Isle (Big Gas Sand) | PluggedGas | 13,500 | Sep 22, 1995 | — | — |
| Houston Farms #2 B42-167-31262 | Reef Exploration L.P. only | Galveston, TXWildcat | PluggedOil | 7,000 | Aug 16, 1995 | — | — |
| Halls Bayou Ranch 3 #342-167-31259 | Reef Exploration L.P. only | Galveston, TXTreasure Isle (Big Gas Sand) | PluggedGas | 13,008 | Mar 30, 1995 | — | — |
| Halls Bayou Ranch Tr. 4 Unit #142-167-31174 | Reef Exploration L.P. only | Galveston, TXTreasure Isle (Big Gas Sand) | PluggedGas | 20,000 | Oct 6, 1994 | — | — |
| Texaco Shuttleshot #342-389-31942 | Reef Exploration L.P. only | Reeves, TXMatthews (Lower Cherry Canyon) | PluggedOil | 4,850 | May 31, 1990 | — | — |
| Moonshot #142-389-31941 | Reef Exploration L.P. only | Reeves, TXMatthews (Lower Cherry Canyon) | PluggedOil | 4,600 | May 21, 1990 | — | — |
| Northshot #242-389-31922 | Reef Exploration L.P. only | Reeves, TXMatthews (Lower Cherry Canyon) | PluggedOil | 4,600 | Feb 14, 1990 | — | — |
| Northshot #142-389-31910 | Reef Exploration L.P. only | Reeves, TXMatthews (Lower Cherry Canyon) | PluggedOil | 4,600 | Nov 14, 1989 | — | — |
| Texaco Shuttleshot #242-389-31890 | Reef Exploration L.P. only | Reeves, TXMatthews (Lower Cherry Canyon) | PluggedOil | 4,600 | May 11, 1989 | — | — |
| Texaco Shuttleshot #142-389-31860 | Reef Exploration L.P. only | Reeves, TXMatthews (Lower Cherry Canyon) | PluggedOil | 4,600 | Dec 13, 1988 | — | — |
| Midshot -a- #242-389-31873 | Reef Exploration L.P. only | Reeves, TXMatthews (Lower Cherry Canyon) | PluggedOil | 4,600 | Dec 13, 1988 | — | — |
| Sureshot #342-389-31747 | Reef Exploration L.P. only | Reeves, TXMatthews (Lower Cherry Canyon) | PluggedOil | 4,600 | Jul 29, 1986 | — | — |
| Long Shot a #242-389-31724 | Reef Exploration L.P. only | Reeves, TXMatthews (Lower Cherry Canyon) | PluggedOil | 4,600 | Apr 29, 1986 | — | — |
| Sureshot #242-389-31719 | Reef Exploration L.P. only | Reeves, TXMatthews (Lower Cherry Canyon) | PluggedOil | 4,600 | Mar 18, 1986 | — | — |
| Sureshot #142-389-31692 | Reef Exploration L.P. only | Reeves, TXMatthews (Lower Cherry Canyon) | PluggedOil | 4,600 | Nov 4, 1985 | — | — |
| Long Shot #142-389-31678 | Reef Exploration L.P. only | Reeves, TXMatthews (Lower Cherry Canyon) | PluggedOil | 4,600 | Jul 31, 1985 | — | — |
| Lindley 30 #242-301-30353 | Reef Exploration L.P. only | Loving, TXTunstill East (Delaware) | PluggedOil | 3,642 | Aug 9, 1984 | — | — |
| Lindley 30 #142-301-30516 | Reef Exploration L.P. only | Loving, TXTunstill East (Delaware) | PluggedOil | 3,600 | Mar 8, 1984 | — | — |
| Lindley #142-301-30290 | Reef Exploration L.P. only | Loving, TXTunstill East (Delaware) | PluggedOil | 4,000 | Feb 13, 1981 | — | — |