| Taurus #242-039-32922 | Cobra Oil & Gas Corporation | Brazoria | Not on schedule | 15,000 | Nov 18, 2005 | 1 | — |
| Grenadine a #342-199-32993 | Cobra Oil & Gas Corporation | HardinT.A.V.T. (Frio) | PluggedGas | 5,200 | Nov 17, 2005 | 2 | Jul 2008 |
| Rundall Trust Unit #142-471-30322 | Cobra Oil & Gas Corporation | WalkerMaple Branch (Yegua) | PluggedGas | 5,000 | Oct 28, 2005 | 1 | Jul 2008 |
| Grenadine #642-199-32988 | Cobra Oil & Gas Corporation | HardinT.A.V.T. (Frio) | PluggedGas | 5,200 | Oct 14, 2005 | 2 | Mar 2010 |
| B.P. America 195 #142-291-32622 | Cobra Oil & Gas Corporation | LibertyHull South (Yegua 8500) | PluggedGas | 8,800 | Aug 31, 2005 | 2 | Sep 2009 |
| Isaac #242-199-32981 | Cobra Oil & Gas Corporation | HardinPeppiatt (Yegua 8500) | ActiveOil | 8,778 | Aug 11, 2005 | 1 | Apr 2026 |
| Allar 45 #242-317-34586 | Cobra Oil & Gas Corporation | MartinSpraberry E.(tr. Area 7400-8860) | Shut inOil | 9,200 | Jul 25, 2005 | 1 | Jul 2015 |
| Rusk Benny Unit #1A42-199-32565 | Cobra Oil & Gas Corporation | HardinStrain (Cook Mtn. 9600) | PluggedGas | 10,000 | May 9, 2005 | 3 | Oct 2007 |
| Black Stone Minerals Company #142-199-32801 | Cobra Oil & Gas Corporation | HardinYonajosa SW. (Middle Cook Mt.) | ActiveInjection | 10,008 | Feb 28, 2005 | 2 | Jul 2008 |
| Hazeltine Unit #142-291-32578 | Cobra Oil & Gas Corporation | LibertyMoss Bluff North (Yegua EY-4) | PluggedGas | 18,000 | Dec 1, 2004 | 4 | Dec 2008 |
| Cayman #142-199-32930 | Cobra Oil & Gas Corporation | HardinStrain (Cook Mtn. 9600) | PluggedGas | 9,800 | Aug 23, 2004 | 2 | Oct 2005 |
| Apache Corp. Unit #242-291-32545 | Cobra Oil & Gas Corporation | LibertyHull South (Cook Mtn. 9700) | Plugged | 10,000 | Jul 15, 2004 | 2 | — |
| Maidstone #142-291-32519 | Cobra Oil & Gas Corporation | LibertyWildcat | PluggedOil | 14,000 | Feb 12, 2004 | 2 | — |
| Spears-Jackson-Forbes Unit #242-197-31545 | Cobra Oil & Gas Corporation | HardemanBerry (Miss.) | ActiveOil | 8,313 | Nov 10, 2003 | 1 | Apr 2026 |
| Jamaica #142-199-32892 | Cobra Oil & Gas Corporation | HardinWildcat | PluggedOil | 10,000 | Sep 23, 2003 | 1 | — |
| Brook Hollow #142-291-32489 | Cobra Oil & Gas Corporation | LibertyMoss Bluff North (Yegua EY-4) | PluggedGas | 14,000 | Aug 11, 2003 | 2 | Jun 2009 |
| Piper #142-199-32888 | Cobra Oil & Gas Corporation | HardinWildcat | PluggedGas | 13,500 | Jun 24, 2003 | 1 | — |
| Ram Rock #142-291-32480 | Cobra Oil & Gas Corporation | LibertyWildcat | PluggedGas | 16,000 | May 29, 2003 | 2 | — |
| Quinn No. 2-84 Unit #142-199-32879 | Cobra Oil & Gas Corporation | HardinFortenberry N. (Ck. Mtn. 2 SS) | PluggedGas | 16,000 | Apr 18, 2003 | 2 | Nov 2009 |
| Hilger-Kolb Unit #342-173-33108 | Cobra Oil & Gas Corporation | GlasscockCobra (Wolfcamp) | PluggedOil | 8,000 | Apr 8, 2003 | 1 | Oct 2017 |
| Gemini Gas Unit #142-157-32055 | Cobra Oil & Gas Corporation | Fort BendGemini (Vicksburg) | PluggedOil | 9,000 | Nov 15, 2002 | 2 | Jun 2010 |
| Hankamer #142-291-32443 | Cobra Oil & Gas Corporation | Liberty | Plugged | 13,000 | Aug 6, 2002 | 2 | — |
| Fortenberry 741 #142-199-32816 | Cobra Oil & Gas Corporation | HardinYonajosa W (Cook Mtn. 9300) | PluggedOil | 10,500 | May 9, 2002 | 2 | May 2004 |
| Hilger-Kolb Unit #1W42-173-33060 | Cobra Oil & Gas Corporation | GlasscockCobra (Wolfcamp) | PluggedOil | 8,000 | Mar 30, 2001 | 1 | Oct 2017 |
| Quinn 84 #242-199-32825 | Cobra Oil & Gas Corporation | HardinFortenberry N. (Ck. Mtn. 2 SS) | PluggedGas | 16,000 | Jan 23, 2001 | 2 | Apr 2002 |
| Cosmonaut #142-157-32115 | Cobra Oil & Gas Corporation | Fort BendCosmonaut (Lower Vicksburg) | ActiveOil | 9,450 | Sep 15, 2000 | 1 | Apr 2026 |
| Apache Corporation #1A42-291-32366 | Cobra Oil & Gas Corporation | LibertyHull South (Cook MTN 10700) | PluggedGas | 11,500 | Sep 15, 2000 | 2 | Sep 2004 |
| Tabor-Jackson #242-197-31483 | Cobra Oil & Gas Corporation | HardemanBerry West (Miss) | ActiveOil | 8,225 | Sep 12, 2000 | 1 | Apr 2026 |
| Vastar Resources 115 #142-199-32811 | Cobra Oil & Gas Corporation | HardinYonajosa West | PluggedOil | 10,000 | Sep 1, 2000 | 2 | Jun 2001 |
| Libra Unit #242-157-32108 | Cobra Oil & Gas Corporation | Fort BendLarry Johnson (Lower Vicksburg) | PluggedOil | 9,500 | Aug 14, 2000 | 1 | Apr 2003 |
| David-Bert Unit #142-197-31463 | Cobra Oil & Gas Corporation | HardemanBerry West (Miss) | ActiveOil | 8,085 | May 17, 2000 | 1 | Apr 2026 |
| Libra Unit #142-157-32091 | Cobra Oil & Gas Corporation | Fort Bend | Plugged | 9,000 | Apr 14, 2000 | 2 | — |
| Mercury Gas Unit #242-157-32073 | Cobra Oil & Gas Corporation | Fort BendGemini (Vicksburg) | ActiveOil | 8,425 | Mar 23, 2000 | 2 | Apr 2026 |
| Cullen Trusts #142-199-32799 | Cobra Oil & Gas Corporation | HardinWildcat | PluggedGas | 10,000 | Mar 6, 2000 | 1 | — |
| Caldwell Unit #142-157-32085 | Cobra Oil & Gas Corporation | Fort BendAndromeda (Lower Vicksburg) | PluggedOil | 14,000 | Jan 13, 2000 | 1 | Oct 2007 |
| Mercury Gas Unit #142-157-32054 | Cobra Oil & Gas Corporation | Fort BendTigner (Vicksburg) | ActiveInjection | 8,606 | Jun 10, 1999 | 2 | Nov 2000 |
| McElroy Ranch 44 #142-103-34685 | Cobra Oil & Gas Corporation | CraneMcElroy (Wolfcamp) | PluggedOil | 8,200 | Apr 21, 1999 | 1 | Jun 2002 |
| Tigner Gas Unit #142-157-32043 | Cobra Oil & Gas Corporation | Fort BendTigner (Vicksburg) | PluggedGas | 9,000 | Mar 12, 1999 | 1 | Apr 2009 |
| Schmoker Lambert Tabor Unit #242-197-31428 | Cobra Oil & Gas Corporation | HardemanChillicothe S. (Miss. Lime) | PluggedOil | 8,350 | Feb 17, 1998 | 1 | Apr 2026 |
| Allar 45 #142-317-34112 | Cobra Oil & Gas Corporation | MartinPetey (Fusselman) | ActiveOil | 10,910 | Jan 12, 1998 | 3 | Aug 2023 |
| Jackson #342-197-31402 | Cobra Oil & Gas Corporation | HardemanBerry (Palo Pinto) | PluggedOil | 8,400 | Dec 8, 1997 | 2 | Aug 2019 |
| Turner Everett 2 #1HZ42-115-32904 | Cobra Oil & Gas Corporation | DawsonElizabeth Rose (Fusselman) | PluggedOil | 12,400 | Mar 31, 1997 | 2 | — |
| Calverley 28 #142-173-32738 | Cobra Oil & Gas Corporation | GlasscockGarden City, W. (Wolfcamp 7880) | Not on schedule | 8,500 | Feb 20, 1997 | 1 | — |
| Hancock 18 #1HZ42-227-35138 | Cobra Oil & Gas Corporation | HowardDarla (Fusselman) | PluggedOil | 11,000 | Jan 28, 1997 | 2 | Jan 1999 |
| Schwartz 1 #142-173-32709 | Cobra Oil & Gas Corporation | GlasscockWildcat | PluggedOil | 8,000 | Nov 19, 1996 | 1 | — |
| Hilger-Kolb Unit #242-173-32665 | Cobra Oil & Gas Corporation | GlasscockCobra (Wolfcamp) | PluggedOil | 8,500 | Sep 18, 1996 | 1 | Oct 2017 |
| Turner 17 #242-115-32889 | Cobra Oil & Gas Corporation | DawsonElizabeth Rose (Fusselman) | PluggedOil | 12,500 | Apr 3, 1996 | 1 | Jan 2023 |
| Frazier 4 #142-227-34895 | Cobra Oil & Gas Corporation | HowardAlfalfa (Fusselman) | PluggedOil | 11,000 | Mar 1, 1996 | 3 | Apr 1996 |
| Tabor -a- #242-197-31371 | Cobra Oil & Gas Corporation | HardemanChillicothe N. (Miss.) | ActiveOil | 8,074 | Feb 13, 1996 | 1 | Apr 2026 |
| Yates Heirs 71 #142-371-36565 | Cobra Oil & Gas Corporation | PecosIndian Mesa (Ellenburger) | PluggedOil | 8,500 | Nov 28, 1995 | 2 | Mar 1996 |