| Morriss Brothers #542-435-38133 | Upp Operating LLC only | Sutton, TXWhitehead (Strawn) | ActiveGas | 9,300 | Sep 18, 2006 | — | — |
| Meckel #9342-435-38136 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,219 | Sep 18, 2006 | — | — |
| Meckel #9242-435-38137 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,250 | Sep 18, 2006 | — | — |
| Meckel #9042-435-38139 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,122 | Sep 18, 2006 | — | — |
| Meckel #8942-435-38140 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | Temporarily abandonedGas | 6,312 | Sep 18, 2006 | — | — |
| Meckel #8742-435-38141 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,027 | Sep 18, 2006 | — | — |
| Meckel #8642-435-38142 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,023 | Sep 18, 2006 | — | — |
| Meckel #8842-435-38143 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | Temporarily abandonedGas | 6,318 | Sep 18, 2006 | — | — |
| Morriss Brothers E #30242-435-38134 | Upp Operating LLC only | Sutton, TXWhitehead (Strawn) | ActiveGas | 9,400 | Sep 15, 2006 | — | — |
| Whitehead 2 #742-435-38131 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 9,000 | Sep 12, 2006 | — | — |
| Aldwell Ranch B 143 #242-435-38132 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,978 | Sep 12, 2006 | — | — |
| Mayfield 41 #442-435-38128 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,490 | Sep 11, 2006 | — | — |
| Morriss 83 #6__42-435-38129 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Plugged | 6,800 | Sep 11, 2006 | — | — |
| Hill-Aldwell, Winnie R. Trust a #242-435-38130 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 9,300 | Sep 11, 2006 | — | — |
| Hill-Aldwell Winnie R. Trust E #442-435-38126 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,900 | Sep 8, 2006 | — | — |
| Mayfield 41 #742-435-38127 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,650 | Sep 8, 2006 | — | — |
| Kelly 102 #2542-435-37686 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,515 | Sep 6, 2006 | — | — |
| Kelly 102 #2442-435-37687 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,506 | Sep 6, 2006 | — | — |
| Kelly 102 #2342-435-37688 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,467 | Sep 6, 2006 | — | — |
| Kelly 102 #1742-435-37689 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,477 | Sep 6, 2006 | — | — |
| Kelly 102 #1842-435-37690 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,545 | Sep 6, 2006 | — | — |
| Kelly 102 #1942-435-37691 | Enervest Operating L.L.C. only | Sutton, TXSawyer (Canyon) | PluggedGas | 6,750 | Sep 6, 2006 | — | — |
| Kelly 102 #2042-435-37692 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,568 | Sep 6, 2006 | — | — |
| Kelly 102 #2142-435-37693 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,576 | Sep 6, 2006 | — | — |
| Kelly 102 #2242-435-37694 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,473 | Sep 6, 2006 | — | — |
| Mayfield 33 #2242-435-38119 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,573 | Aug 29, 2006 | — | — |
| Hill-Ray May M. F #342-435-38121 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 9,300 | Aug 29, 2006 | — | — |
| Deberry-Halbert #16D42-435-38116 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 6,875 | Aug 28, 2006 | — | — |
| Deberry-Halbert #17D42-435-38117 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 6,900 | Aug 28, 2006 | — | — |
| Deberry-Halbert Unit #2142-435-38118 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,753 | Aug 28, 2006 | — | — |
| Deberry a #9242-435-38120 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | Temporarily abandonedGas | 6,625 | Aug 28, 2006 | — | — |
| Steen #9842-435-38122 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 5,805 | Aug 28, 2006 | — | — |
| Steen #9642-435-38123 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 5,800 | Aug 28, 2006 | — | — |
| Steen #9742-435-38124 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,113 | Aug 28, 2006 | — | — |
| Ward RC #842-435-38125 | Upp Operating LLC only | Sutton, TXFawcett (Wolfcamp) | ActiveGas | 7,300 | Aug 28, 2006 | — | — |
| Ward #6342-435-38062 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,658 | Aug 25, 2006 | — | — |
| Mayer Edwin S. Jr. #30442-435-38115 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,035 | Aug 24, 2006 | — | — |
| Ward J. W. 118 #2342-435-38072 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 7,000 | Aug 21, 2006 | — | — |
| Hill-Mayer ZZ #442-435-38107 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,185 | Aug 21, 2006 | — | — |
| Ward #6742-435-38048 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,745 | Aug 18, 2006 | — | — |
| Hill-Mayer E. S. Jr. CC #542-435-38112 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,265 | Aug 18, 2006 | — | — |
| Mayer 15 #1742-435-38113 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,176 | Aug 18, 2006 | — | — |
| Mayer 15 #1842-435-38114 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,150 | Aug 18, 2006 | — | — |
| Ward #7742-435-38051 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Plugged | 7,250 | Aug 16, 2006 | — | — |
| Hicks 22 #1842-435-38094 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,700 | Aug 16, 2006 | — | — |
| Simmons Ranch #8842-435-38109 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,000 | Aug 16, 2006 | — | — |
| Mayer 38 #742-435-38111 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,191 | Aug 16, 2006 | — | — |
| Mitchell Tom 2 #942-435-38096 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 8,465 | Aug 15, 2006 | — | — |
| Canyon Ranch #2083S42-435-38097 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,800 | Aug 15, 2006 | — | — |
| Canyon Ranch #1062X42-435-38098 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,940 | Aug 15, 2006 | — | — |