| Jamaica #142-199-32892 | Cobra Oil & Gas Corporation | Hardin, TXWildcat | PluggedOil | 10,000 | Sep 23, 2003 | — | — |
| Brook Hollow #142-291-32489 | Cobra Oil & Gas Corporation | Liberty, TXMoss Bluff North (Yegua EY-4) | PluggedGas | 14,000 | Aug 11, 2003 | — | — |
| Piper #142-199-32888 | Cobra Oil & Gas Corporation | Hardin, TXWildcat | PluggedGas | 13,500 | Jun 24, 2003 | — | — |
| Ram Rock #142-291-32480 | Cobra Oil & Gas Corporation | Liberty, TXWildcat | PluggedGas | 16,000 | May 29, 2003 | — | — |
| Quinn No. 2-84 Unit #142-199-32879 | Cobra Oil & Gas Corporation | Hardin, TXFortenberry N. (Ck. Mtn. 2 SS) | PluggedGas | 16,000 | Apr 18, 2003 | — | — |
| Hilger-Kolb Unit #342-173-33108 | Cobra Oil & Gas Corporation | Glasscock, TXCobra (Wolfcamp) | PluggedOil | 8,000 | Apr 8, 2003 | — | — |
| Gemini Gas Unit #142-157-32055 | Cobra Oil & Gas Corporation | Fort Bend, TXGemini (Vicksburg) | PluggedOil | 9,000 | Nov 15, 2002 | — | — |
| Fortenberry 741 #142-199-32816 | Cobra Oil & Gas Corporation | Hardin, TXYonajosa W (Cook Mtn. 9300) | PluggedOil | 10,500 | May 9, 2002 | — | — |
| Hilger-Kolb Unit #1W42-173-33060 | Cobra Oil & Gas Corporation | Glasscock, TXCobra (Wolfcamp) | PluggedOil | 8,000 | Mar 30, 2001 | — | — |
| Quinn 84 #242-199-32825 | Cobra Oil & Gas Corporation | Hardin, TXFortenberry N. (Ck. Mtn. 2 SS) | PluggedGas | 16,000 | Jan 23, 2001 | — | — |
| Cosmonaut #142-157-32115 | Cobra Oil & Gas Corporation | Fort Bend, TXCosmonaut (Lower Vicksburg) | ActiveOil | 9,450 | Sep 15, 2000 | — | — |
| Apache Corporation #1A42-291-32366 | Cobra Oil & Gas Corporation | Liberty, TXHull South (Cook MTN 10700) | PluggedGas | 11,500 | Sep 15, 2000 | — | — |
| Tabor-Jackson #242-197-31483 | Cobra Oil & Gas Corporation | Hardeman, TXBerry West (Miss) | ActiveOil | 8,225 | Sep 12, 2000 | — | — |
| Vastar Resources 115 #142-199-32811 | Cobra Oil & Gas Corporation | Hardin, TXYonajosa West | PluggedOil | 10,000 | Sep 1, 2000 | — | — |
| Libra Unit #242-157-32108 | Cobra Oil & Gas Corporation | Fort Bend, TXLarry Johnson (Lower Vicksburg) | PluggedOil | 9,500 | Aug 14, 2000 | — | — |
| David-Bert Unit #142-197-31463 | Cobra Oil & Gas Corporation | Hardeman, TXBerry West (Miss) | ActiveOil | 8,085 | May 17, 2000 | — | — |
| Mercury Gas Unit #242-157-32073 | Cobra Oil & Gas Corporation | Fort Bend, TXGemini (Vicksburg) | ActiveOil | 8,425 | Mar 23, 2000 | — | — |
| Cullen Trusts #142-199-32799 | Cobra Oil & Gas Corporation | Hardin, TXWildcat | PluggedGas | 10,000 | Mar 6, 2000 | — | — |
| Caldwell Unit #142-157-32085 | Cobra Oil & Gas Corporation | Fort Bend, TXAndromeda (Lower Vicksburg) | PluggedOil | 14,000 | Jan 13, 2000 | — | — |
| Mercury Gas Unit #142-157-32054 | Cobra Oil & Gas Corporation | Fort Bend, TXTigner (Vicksburg) | ActiveInjection | 8,606 | Jun 10, 1999 | — | — |
| McElroy Ranch 44 #142-103-34685 | Cobra Oil & Gas Corporation | Crane, TXMcElroy (Wolfcamp) | PluggedOil | 8,200 | Apr 21, 1999 | — | — |
| Tigner Gas Unit #142-157-32043 | Cobra Oil & Gas Corporation | Fort Bend, TXTigner (Vicksburg) | PluggedGas | 9,000 | Mar 12, 1999 | — | — |
| Schmoker Lambert Tabor Unit #242-197-31428 | Cobra Oil & Gas Corporation | Hardeman, TXChillicothe S. (Miss. Lime) | PluggedOil | 8,350 | Feb 17, 1998 | — | — |
| Allar 45 #142-317-34112 | Cobra Oil & Gas Corporation | Martin, TXPetey (Fusselman) | ActiveOil | 10,910 | Jan 12, 1998 | — | — |
| Jackson #342-197-31402 | Cobra Oil & Gas Corporation | Hardeman, TXBerry (Palo Pinto) | PluggedOil | 8,400 | Dec 8, 1997 | — | — |
| Turner Everett 2 #1HZ42-115-32904 | Cobra Oil & Gas Corporation | Dawson, TXElizabeth Rose (Fusselman) | PluggedOil | 12,400 | Mar 31, 1997 | — | — |
| Hancock 18 #1HZ42-227-35138 | Cobra Oil & Gas Corporation | Howard, TXDarla (Fusselman) | PluggedOil | 11,000 | Jan 28, 1997 | — | — |
| Schwartz 1 #142-173-32709 | Cobra Oil & Gas Corporation | Glasscock, TXWildcat | PluggedOil | 8,000 | Nov 19, 1996 | — | — |
| Hilger-Kolb Unit #242-173-32665 | Cobra Oil & Gas Corporation | Glasscock, TXCobra (Wolfcamp) | PluggedOil | 8,500 | Sep 18, 1996 | — | — |
| Turner 17 #242-115-32889 | Cobra Oil & Gas Corporation | Dawson, TXElizabeth Rose (Fusselman) | PluggedOil | 12,500 | Apr 3, 1996 | — | — |
| Frazier 4 #142-227-34895 | Cobra Oil & Gas Corporation | Howard, TXAlfalfa (Fusselman) | PluggedOil | 11,000 | Mar 1, 1996 | — | — |
| Tabor -a- #242-197-31371 | Cobra Oil & Gas Corporation | Hardeman, TXChillicothe N. (Miss.) | ActiveOil | 8,074 | Feb 13, 1996 | — | — |
| Yates Heirs 71 #142-371-36565 | Cobra Oil & Gas Corporation | Pecos, TXIndian Mesa (Ellenburger) | PluggedOil | 8,500 | Nov 28, 1995 | — | — |
| Hilger-Kolb Unit #142-173-32572 | Cobra Oil & Gas Corporation | Glasscock, TXCobra (Wolfcamp) | PluggedOil | 8,500 | Oct 12, 1995 | — | — |
| Turner 17 #142-115-32870 | Cobra Oil & Gas Corporation | Dawson, TXElizabeth Rose (Fusselman) | PluggedOil | 12,500 | Oct 3, 1995 | — | — |
| TXL 5 #142-227-34929 | Cobra Oil & Gas Corporation | Howard, TXSpanky (Fusselman) | PluggedOil | 11,000 | Jul 20, 1995 | — | — |
| Petty Unit 48 #142-227-34921 | Cobra Oil & Gas Corporation | Howard, TXPetty 48 (Upper Strawn) | PluggedOil | 11,000 | May 10, 1995 | — | — |
| Tomahawk 10 #142-317-33973 | Cobra Oil & Gas Corporation | Martin, TXTomahawk (Fusselman) | PluggedOil | 11,000 | Aug 8, 1994 | — | — |
| Adams 31 #1A42-227-34827 | Cobra Oil & Gas Corporation | Howard, TXAdams 31 (Canyon Reef) | Not on scheduleOil | 9,500 | Mar 14, 1994 | — | — |
| Gary 32 #142-103-34246 | Cobra Oil & Gas Corporation | Crane, TXConcho Bluff West (Bend) | PluggedOil | 10,000 | Dec 1, 1993 | — | — |
| Davidson 9 #142-227-34811 | Cobra Oil & Gas Corporation | Howard, TXB.C. (Canyon) | PluggedOil | 9,500 | Nov 3, 1993 | — | — |
| Wright #7A42-227-34793 | Cobra Oil & Gas Corporation | Howard, TXWright 44 (Fusselman) | PluggedOil | 11,000 | Sep 8, 1993 | — | — |
| Cato Glenn #542-197-00083 | Cobra Oil & Gas Corporation | Hardeman, TXKadane Cato (Congl) | PluggedOil | 9,377 | Apr 29, 1993 | — | — |
| Wright #5A42-227-34717 | Cobra Oil & Gas Corporation | Howard, TXMiddleton (Canyon Reef) | PluggedOil | 9,100 | Feb 10, 1993 | — | — |
| Wright #6A42-227-34742 | Cobra Oil & Gas Corporation | Howard, TXMiddleton (Canyon Reef) | PluggedOil | 9,100 | Jan 28, 1993 | — | — |
| Spears-Jackson-Forbes Unit #142-197-31236 | Cobra Oil & Gas Corporation | Hardeman, TXBerry (Miss.) | PluggedOil | 8,450 | Nov 18, 1992 | — | — |
| Shirk 1 #2AHZ42-461-33307 | Cobra Oil & Gas Corporation | Upton, TXTriumph (Wolfcamp) | PluggedOil | 8,900 | Aug 5, 1992 | — | — |
| Wright #3A42-227-34699 | Cobra Oil & Gas Corporation | Howard, TXMiddleton (Canyon Reef) | PluggedOil | 9,100 | May 13, 1992 | — | — |
| Wright #2A42-227-34687 | Cobra Oil & Gas Corporation | Howard, TXMiddleton (Canyon Reef) | PluggedOil | 9,100 | Feb 11, 1992 | — | — |
| Wright #1A42-227-34662 | Cobra Oil & Gas Corporation | Howard, TXMiddleton (Canyon Reef) | PluggedOil | 9,300 | Nov 12, 1991 | — | — |