| Bontke #13HHZ42-139-30548 | Upp Operating LLC | Ellis, TXNewark East (Barnett Shale) | ActiveGas | 8,640 | Jul 30, 2008 | — | — |
| Mayer Edwin S. Jr. B 39 #142-435-39057 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,650 | Jul 30, 2008 | — | — |
| Simmons 3 #1042-435-39055 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,166 | Jul 28, 2008 | — | — |
| Evans 120 #242-435-39049 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 7,309 | Jul 24, 2008 | — | — |
| Diebitsch 70 #1642-435-39050 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,193 | Jul 24, 2008 | — | — |
| Oaks #4HHZ42-251-33122 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,112 | Jul 23, 2008 | — | — |
| Mayer Edwin S. Jr. P #1342-413-32534 | Upp Operating LLC | Schleicher, TXSawyer (Strawn North) | ActiveGas | 8,758 | Jul 23, 2008 | — | — |
| Oaks #3HHZ42-251-33121 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,112 | Jul 22, 2008 | — | — |
| Canyon Ranch #311S42-435-39016 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,463 | Jul 22, 2008 | — | — |
| Canyon Ranch #310S42-435-39020 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,330 | Jul 22, 2008 | — | — |
| Shurley 123 #2842-435-39041 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,679 | Jul 22, 2008 | — | — |
| Shurley 123 #2942-435-39042 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,666 | Jul 22, 2008 | — | — |
| Shurley 123 #3042-435-39043 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,665 | Jul 22, 2008 | — | — |
| Shurley 123 #3142-435-39044 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,710 | Jul 22, 2008 | — | — |
| Shurley 123 #3242-435-39045 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,664 | Jul 22, 2008 | — | — |
| Simmons 72 #1642-435-39048 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,108 | Jul 22, 2008 | — | — |
| Lancaster 185 #342-435-39051 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,225 | Jul 22, 2008 | — | — |
| Canyon Ranch #5003E42-137-31751 | Upp Operating LLC | Edwards, TXSawyer (Canyon) | ActiveGas | 6,874 | Jul 21, 2008 | — | — |
| Bontke Unit #5HHZ42-139-30546 | Upp Operating LLC | Ellis, TXNewark East (Barnett Shale) | ActiveGas | 8,565 | Jul 21, 2008 | — | — |
| Shurley 123 #2742-435-39040 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,653 | Jul 21, 2008 | — | — |
| Stewart #20842-435-39047 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,512 | Jul 21, 2008 | — | — |
| Youngblood #4HHZ42-251-33108 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | Temporarily abandonedGas | 7,979 | Jul 18, 2008 | — | — |
| Youngblood #3HHZ42-251-33109 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 7,131 | Jul 18, 2008 | — | — |
| Youngblood #5HHZ42-251-33110 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | Temporarily abandonedGas | 7,185 | Jul 18, 2008 | — | — |
| Youngblood #6HHZ42-251-33111 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 7,174 | Jul 18, 2008 | — | — |
| Youngblood #7HHZ42-251-33112 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 7,228 | Jul 18, 2008 | — | — |
| Kelly 102 #2842-435-38286 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,503 | Jul 17, 2008 | — | — |
| Kelly 102 #2642-435-38287 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,473 | Jul 17, 2008 | — | — |
| Kelly 102 #2742-435-38288 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,534 | Jul 17, 2008 | — | — |
| Kelly 102 #2942-435-38542 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,499 | Jul 17, 2008 | — | — |
| Kelly 102 #3042-435-38544 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,471 | Jul 17, 2008 | — | — |
| Kelly 102 #3142-435-38545 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,538 | Jul 17, 2008 | — | — |
| Stewart #10642-435-39037 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,110 | Jul 17, 2008 | — | — |
| Stewart #31142-435-39038 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,335 | Jul 17, 2008 | — | — |
| Stewart #30742-435-39039 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,700 | Jul 17, 2008 | — | — |
| Stewart #10542-435-39035 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,095 | Jul 16, 2008 | — | — |
| Stewart #31042-435-39036 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,490 | Jul 16, 2008 | — | — |
| Thelma Louise #6HHZ42-251-32790 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 8,088 | Jul 15, 2008 | — | — |
| Bowerman/Carter #4HHZ42-251-33093 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,426 | Jul 15, 2008 | — | — |
| Bowerman Carter #3HHZ42-251-33094 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,448 | Jul 15, 2008 | — | — |
| Ormsby #3HHZ42-251-33095 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,572 | Jul 15, 2008 | — | — |
| Oaks #1HHZ42-251-33072 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,155 | Jul 10, 2008 | — | — |
| Oaks #2HHZ42-251-33073 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,190 | Jul 9, 2008 | — | — |
| Raam #4HHZ42-251-33074 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 7,766 | Jul 9, 2008 | — | — |
| Brindley #4HHZ42-251-33061 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 8,191 | Jul 8, 2008 | — | — |
| Brindley #3HHZ42-251-33060 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 8,206 | Jul 7, 2008 | — | — |
| Mayer Ranch 35 #1242-435-39025 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,700 | Jul 7, 2008 | — | — |
| Mayer Ranch 35 #1342-435-39026 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,445 | Jul 7, 2008 | — | — |
| Mayer Ranch 35 #1142-435-39027 | Upp Operating LLC | Sutton, TXKelley (Ellenburger) | ActiveGas | 8,617 | Jul 7, 2008 | — | — |
| Brindley #5HHZ42-251-33062 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 8,323 | Jul 3, 2008 | — | — |