| Mayer Ranch 40 #942-435-39133 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,550 | Nov 17, 2008 | — | — |
| Childress 15 #342-105-40894 | Upp Operating LLC | Crockett, TXKelley (Ellenburger) | Temporarily abandonedGas | 8,751 | Nov 14, 2008 | — | — |
| Ward 114 #26X42-435-39132 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 7,850 | Nov 14, 2008 | — | — |
| Brindley #10HHZ42-251-33276 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 8,157 | Nov 13, 2008 | — | — |
| Wilson #12HHZ42-251-33426 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 7,748 | Nov 7, 2008 | — | — |
| Wilson #13HHZ42-251-33427 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 7,820 | Nov 7, 2008 | — | — |
| Wilson #11HHZ42-251-33327 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 7,686 | Oct 28, 2008 | — | — |
| KTV Caddo #5HHZ42-251-33401 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,855 | Oct 27, 2008 | — | — |
| Wilson #9HHZ42-251-33325 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 7,698 | Oct 25, 2008 | — | — |
| Wilson #10HHZ42-251-33328 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 7,769 | Oct 25, 2008 | — | — |
| County Line #4HHZ42-251-33398 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 8,419 | Oct 25, 2008 | — | — |
| Harry #3HHZ42-251-33399 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,615 | Oct 25, 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 | — | — |
| Mitchell #10242-137-31995 | Upp Operating LLC | Edwards, TXSawyer (Canyon) | ActiveGas | 6,000 | Oct 15, 2008 | — | — |
| Canyon Ranch 107 #19E42-137-31999 | Upp Operating LLC | Edwards, TXSawyer (Canyon) | ActiveGas | 6,983 | Oct 14, 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 | — | — |
| Bone Ranch #2HHZ42-367-34882 | Upp Operating LLC | Parker, TXNewark East (Barnett Shale) | ActiveGas | 6,582 | Oct 13, 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 | — | — |
| Canyon Ranch 107 #17E42-137-31997 | Upp Operating LLC | Edwards, TXSawyer (Canyon) | Temporarily abandonedGas | 7,002 | Oct 11, 2008 | — | — |
| Canyon Ranch 107 #18E42-137-31998 | Upp Operating LLC | Edwards, TXSawyer (Canyon) | ActiveGas | 7,027 | Oct 11, 2008 | — | — |
| Canyon Ranch 107 #20E42-137-32000 | Upp Operating LLC | Edwards, TXSawyer (Canyon) | ActiveGas | 7,022 | Oct 11, 2008 | — | — |
| KTV Caddo #4HHZ42-251-33362 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,850 | Oct 11, 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 | — | — |
| Cauthorn 16 #642-435-39113 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,975 | Oct 11, 2008 | — | — |
| Holman #26842-435-39114 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 7,036 | Oct 11, 2008 | — | — |
| Canyon Ranch #8318S42-435-39116 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,738 | Oct 11, 2008 | — | — |
| Canyon Ranch #8317S42-435-39117 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,738 | Oct 11, 2008 | — | — |
| Canyon Ranch #1276S42-435-39082 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,753 | Oct 10, 2008 | — | — |
| Canyon Ranch #1277S42-435-39083 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,724 | Oct 10, 2008 | — | — |
| Simmons 72.5 #442-435-39120 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,123 | Oct 10, 2008 | — | — |
| Schultz B #3HHZ42-251-33350 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,558 | Oct 9, 2008 | — | — |
| Schultz B #2HHZ42-251-33351 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,507 | Oct 9, 2008 | — | — |
| Stewart #301442-435-39106 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,491 | Oct 9, 2008 | — | — |
| Southard Farms #5HHZ42-251-33346 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,967 | Oct 8, 2008 | — | — |
| Southard Farms #4HHZ42-251-33347 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,958 | Oct 8, 2008 | — | — |
| Holman #26642-435-39105 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 7,124 | Oct 8, 2008 | — | — |
| University 56 19 #742-105-40873 | Upp Operating LLC | Crockett, TXOzona NE. (Canyon 7520) | ActiveGas | 8,742 | Oct 6, 2008 | — | — |
| Powell 4 #242-413-32568 | Upp Operating LLC | Schleicher, TXSawyer (Canyon) | ActiveGas | 8,400 | Oct 6, 2008 | — | — |
| University 56 22 #1542-105-40872 | Upp Operating LLC | Crockett, TXOzona NE. (Canyon 7520) | ActiveGas | 8,674 | Oct 4, 2008 | — | — |
| Mayfield 46 #2742-435-39096 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,316 | Oct 3, 2008 | — | — |
| Mayfield 46 #2842-435-39097 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,412 | Oct 3, 2008 | — | — |