| Shurley #9542-435-36158 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,011 | Jan 15, 2003 | — | — |
| Shurley #8442-435-36159 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,200 | Jan 15, 2003 | — | — |
| Canyon Ranch 104 #16S42-435-36160 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,006 | Jan 15, 2003 | — | — |
| Canyon Ranch 106 #15S42-435-36161 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,500 | Jan 15, 2003 | — | — |
| Steen #6142-435-36153 | Smith Pipe of Abilene | Sutton, TXFawcett (Wolfcamp) | PluggedGas | 5,750 | Jan 14, 2003 | — | — |
| Glasscock L. B. #330242-435-36154 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,657 | Jan 14, 2003 | — | — |
| Glasscock Lillian Bell #310342-435-36155 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 7,750 | Jan 14, 2003 | — | — |
| Sawyer 129 #1342-435-36156 | Robert C. Brower LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 7,185 | Jan 14, 2003 | — | — |
| Simmons Ranch #4242-435-36146 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,105 | Jan 13, 2003 | — | — |
| Canyon Ranch #9314S42-435-36147 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,012 | Jan 13, 2003 | — | — |
| Canyon Ranch #1216S42-435-36148 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,502 | Jan 13, 2003 | — | — |
| Steen #6342-435-36149 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 5,920 | Jan 13, 2003 | — | — |
| Steen #6242-435-36150 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 5,600 | Jan 13, 2003 | — | — |
| Steen #6042-435-36152 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 5,900 | Jan 13, 2003 | — | — |
| Kirby 2 #542-435-36143 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 7,914 | Jan 9, 2003 | — | — |
| Shurley #8242-435-36144 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,200 | Jan 9, 2003 | — | — |
| Shurley #7942-435-36145 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,301 | Jan 9, 2003 | — | — |
| Mayer 3C #1342-435-36142 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,754 | Jan 8, 2003 | — | — |
| Fawcett Bobbie H. #842-435-36140 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,593 | Jan 7, 2003 | — | — |
| Hill-Fawcett L #242-435-36141 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,651 | Jan 7, 2003 | — | — |
| Rieck #1__42-435-36139 | — | Sutton, TX | Plugged | 3,500 | Jan 6, 2003 | — | — |
| Meckel #6342-435-36136 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,050 | Dec 27, 2002 | — | — |
| Meckel a #5842-435-36137 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,304 | Dec 27, 2002 | — | — |
| Kirby 1 #1042-435-36138 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,010 | Dec 27, 2002 | — | — |
| Deberry-Meckel Unit #1042-435-36131 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,824 | Dec 23, 2002 | — | — |
| Kirby 1 #942-435-36132 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 7,145 | Dec 23, 2002 | — | — |
| Shurley #9842-435-36133 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,150 | Dec 23, 2002 | — | — |
| Shurley #8642-435-36134 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,118 | Dec 23, 2002 | — | — |
| Shurley #7642-435-36135 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,200 | Dec 23, 2002 | — | — |
| Simmons 72 #642-435-36130 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 8,108 | Dec 20, 2002 | — | — |
| Simmons Ranch #4742-435-36127 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,180 | Dec 19, 2002 | — | — |
| Baker-Friess #1__42-435-36126 | — | Sutton, TX | Plugged | 3,400 | Dec 18, 2002 | — | — |
| Thomson #642-435-36125 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,300 | Dec 13, 2002 | — | — |
| Diebitsch 70 #742-435-36118 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 7,850 | Dec 12, 2002 | — | — |
| Diebitsch 70 #842-435-36119 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 7,853 | Dec 12, 2002 | — | — |
| Mitchell Tom 3 #142-435-36120 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 7,650 | Dec 12, 2002 | — | — |
| Mitchell Tom 4 #142-435-36121 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 7,614 | Dec 12, 2002 | — | — |
| Mayer 3C #842-435-36122 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,626 | Dec 12, 2002 | — | — |
| Mayer 3 #542-435-36123 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,450 | Dec 12, 2002 | — | — |
| Canyon Ranch 106 #13S42-435-36115 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,566 | Dec 11, 2002 | — | — |
| Canyon Ranch 104 #14S42-435-36116 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,450 | Dec 11, 2002 | — | — |
| Canyon Ranch 115 #16S42-435-36117 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,550 | Dec 11, 2002 | — | — |
| Davis C #3942-435-36112 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,100 | Dec 10, 2002 | — | — |
| Canyon Ranch #9313S42-435-36113 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,450 | Dec 10, 2002 | — | — |
| Shannon 52 #1142-435-36114 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,012 | Dec 10, 2002 | — | — |
| Mayer 3D #742-435-36111 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,711 | Dec 5, 2002 | — | — |
| Canyon Ranch #1212S42-435-36108 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,500 | Dec 4, 2002 | — | — |
| Canyon Ranch 106 #16S42-435-36109 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,502 | Dec 4, 2002 | — | — |
| Canyon Ranch #8212S42-435-36110 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,500 | Dec 4, 2002 | — | — |
| Mayfield 45 #1142-435-36105 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | Temporarily abandonedGas | 8,550 | Nov 27, 2002 | — | — |