| Shurley #13942-435-39162 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,239 | Feb 3, 2009 | — | — |
| Shurley #14742-435-39163 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,150 | Feb 3, 2009 | — | — |
| Shurley #14342-435-39165 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,192 | Feb 3, 2009 | — | — |
| Shurley #15342-435-39166 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,236 | Feb 3, 2009 | — | — |
| Johnson 62 #542-435-39167 | Highmount Expl & Prod Texas LLC | Sutton, TX | Not on schedule | 5,250 | Feb 3, 2009 | — | — |
| Hicks 61 #542-435-39158 | Highmount Expl & Prod Texas LLC | Sutton, TX | Not on schedule | 5,250 | Feb 2, 2009 | — | — |
| Hicks 61 #642-435-39159 | Highmount Expl & Prod Texas LLC | Sutton, TX | Not on schedule | 5,250 | Feb 2, 2009 | — | — |
| Mayer Ranch 40 #842-435-39146 | Upp Operating LLC | Sutton, TXKelley (Ellenburger) | ActiveGas | 8,458 | Jan 30, 2009 | — | — |
| Mittel R. H. #1242-435-39160 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 7,254 | Jan 30, 2009 | — | — |
| Meckel a #7542-435-39147 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | Temporarily abandonedGas | 6,617 | Jan 29, 2009 | — | — |
| Hill-Mayer Edwin S. Jr. P #842-435-39155 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,200 | Jan 29, 2009 | — | — |
| Hill-Mayer Edwin S Jr. CC #742-435-39156 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,377 | Jan 28, 2009 | — | — |
| Hill Mayer Minnie HC #842-435-39157 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,200 | Jan 28, 2009 | — | — |
| Pfluger SWD #10442-435-39152 | Highmount Expl & Prod Texas LLC | Sutton, TXKelley (Ellenburger) | Not on schedule | 8,450 | Jan 26, 2009 | — | — |
| Mayer 15 #2242-435-39153 | Highmount Expl & Prod Texas LLC | Sutton, TX | Not on schedule | 8,750 | Jan 21, 2009 | — | — |
| Mayer 15 #2342-435-39154 | Highmount Expl & Prod Texas LLC | Sutton, TX | Not on schedule | 8,750 | Jan 21, 2009 | — | — |
| Cusenbary 58 #842-435-38729 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,750 | Jan 20, 2009 | — | — |
| Pfluger 86 #842-435-39151 | Highmount Expl & Prod Texas LLC | Sutton, TX | Not on schedule | 7,250 | Jan 16, 2009 | — | — |
| Pfluger 103 #1242-435-39148 | Highmount Expl & Prod Texas LLC | Sutton, TX | Not on schedule | 6,750 | Jan 14, 2009 | — | — |
| Pfluger 110 #1242-435-39149 | Highmount Expl & Prod Texas LLC | Sutton, TX | Not on schedule | 5,850 | Jan 14, 2009 | — | — |
| Pfluger 110 #1142-435-39150 | Highmount Expl & Prod Texas LLC | Sutton, TX | Not on schedule | 7,000 | Jan 14, 2009 | — | — |
| Nicks Gerald 8 #542-435-39144 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,890 | Jan 9, 2009 | — | — |
| Dunbar Ned #8342-435-39143 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,358 | Jan 7, 2009 | — | — |
| Stewart SWD #342-435-39145 | Highmount Expl & Prod Texas LLC | Sutton, TXKelley (Ellenburger) | Not on schedule | 7,250 | Jan 7, 2009 | — | — |
| Vanderstucken a #642-435-33668 | Ges Tex Well Service LLC | Sutton, TXMiers (Canyon) | Temporarily abandonedGas | 4,560 | Jan 5, 2009 | — | — |
| Canyon Ranch 126 #21S42-435-39138 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,518 | Jan 2, 2009 | — | — |
| Canyon Ranch 126 #20S42-435-39139 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,535 | Jan 2, 2009 | — | — |
| Dunbar Ned #8242-435-39140 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,365 | Dec 30, 2008 | — | — |
| Mayer Ranch 40 #1042-435-39142 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,601 | Dec 30, 2008 | — | — |
| Dunbar, Ned #8642-435-39141 | Highmount Expl & Prod Texas LLC | Sutton, TX | Not on schedule | 6,600 | Dec 16, 2008 | — | — |
| Canyon Ranch 126 #19S42-435-39137 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,594 | Dec 4, 2008 | — | — |
| Mayer Ranch DD #280542-435-39134 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,074 | Nov 21, 2008 | — | — |
| Fields 20 #7RD42-435-39135 | Highmount Expl & Prod Texas LLC | Sutton, TX | Not on schedule | 7,600 | Nov 21, 2008 | — | — |
| Mayer Ranch 40 #942-435-39133 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,550 | Nov 17, 2008 | — | — |
| Ward 114 #26X42-435-39132 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 7,850 | Nov 14, 2008 | — | — |
| Canyon Ranch #2163S42-435-39131 | Highmount Expl & Prod Texas LLC | Sutton, TX | Not on schedule | 7,250 | Oct 28, 2008 | — | — |
| Simmons 3 #542-435-39124 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,200 | Oct 17, 2008 | — | — |
| Mayer Ranch CC #270442-435-39125 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,256 | Oct 17, 2008 | — | — |
| Mayer Ranch BB #260342-435-39126 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,099 | Oct 17, 2008 | — | — |
| Canyon Ranch 114 #20S42-435-39130 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,816 | Oct 17, 2008 | — | — |
| Lancaster 185 #542-435-39123 | Highmount Expl & Prod Texas LLC | Sutton, TX | Not on schedule | 8,475 | Oct 16, 2008 | — | — |
| Epps H.C. 49 #442-435-39111 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,896 | Oct 14, 2008 | — | — |
| Epps H. C. #39 #1442-435-39119 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,749 | Oct 14, 2008 | — | — |
| Canyon Ranch 114 #21S42-435-39122 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,800 | Oct 14, 2008 | — | — |
| Sawyer Jones #171142-435-39118 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 9,004 | Oct 13, 2008 | — | — |
| Simmons 72.5 #542-435-39121 | Upp Operating LLC | Sutton, TXKelley (Ellenburger) | ActiveGas | 8,140 | Oct 13, 2008 | — | — |
| Cauthorn 16 #742-435-39107 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,928 | Oct 11, 2008 | — | — |
| Epps H.C. #38 #1042-435-39108 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 7,214 | Oct 11, 2008 | — | — |
| Epps H.C. 49 #542-435-39110 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,798 | Oct 11, 2008 | — | — |
| Epps H. C. #39 #942-435-39112 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 7,191 | Oct 11, 2008 | — | — |