| Mayer 37 #1542-435-38970 | Highmount Expl & Prod Texas LLCpermitted by · no operator of record | Sutton, TX | Not on schedule | 8,275 | Apr 29, 2008 | — | — |
| Mayer 37 #1642-435-38972 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,009 | Apr 29, 2008 | — | — |
| Sawyer 113 #1642-435-38967 | Robert C. Brower LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,848 | Apr 26, 2008 | — | — |
| Sawyer 113 #1842-435-38968 | Robert C. Brower LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,944 | Apr 26, 2008 | — | — |
| Jerry Johnson 3.9 #1X42-435-38969 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 9,723 | Apr 26, 2008 | — | — |
| Canyon Ranch #838X42-435-38934 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 5,940 | Apr 22, 2008 | — | — |
| Canyon Ranch #312S42-435-38963 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 4,951 | Apr 22, 2008 | — | — |
| Friend #205142-435-38965 | Highmount Expl & Prod Texas LLCpermitted by · no operator of record | Sutton, TX | Plugged | 10,450 | Apr 22, 2008 | — | — |
| Espy 40 #1042-435-38959 | Highmount Expl & Prod Texas LLCpermitted by · no operator of record | Sutton, TX | Not on schedule | 6,300 | Apr 21, 2008 | — | — |
| Stewart #20442-435-38955 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,512 | Apr 18, 2008 | — | — |
| Stewart #10442-435-38960 | Highmount Expl & Prod Texas LLC only | Sutton, TXSawyer (Canyon) | PluggedGas | 6,500 | Apr 18, 2008 | — | — |
| Stewart #785842-435-38962 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 5,336 | Apr 18, 2008 | — | — |
| Hill-Mayer Edwin S. Jr. Z #8X42-435-38953 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,025 | Apr 17, 2008 | — | — |
| Wilson #642-435-38154 | O Ryan Oil and Gas only | Sutton, TXMiers (Des Moines) | Temporarily abandonedGas | 4,543 | Apr 16, 2008 | — | — |
| Mayer Edwin S. Jr. #100442-435-38946 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,185 | Apr 16, 2008 | — | — |
| Stewart #30942-435-38954 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,536 | Apr 16, 2008 | — | — |
| Mittel Ben #2342-435-38951 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 7,150 | Apr 14, 2008 | — | — |
| Espy 41 #1242-435-38952 | Highmount Expl & Prod Texas LLCpermitted by · no operator of record | Sutton, TX | Not on schedule | 6,175 | Apr 12, 2008 | — | — |
| Espy 41 #1142-435-38949 | Highmount Expl & Prod Texas LLCpermitted by · no operator of record | Sutton, TX | Not on schedule | 6,175 | Apr 11, 2008 | — | — |
| Epps H. C. 39 #1242-435-38950 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,102 | Apr 11, 2008 | — | — |
| Holman #25242-435-38947 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,741 | Apr 10, 2008 | — | — |
| Holman #26742-435-38948 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,558 | Apr 10, 2008 | — | — |
| Canyon Ranch #8219S42-435-38940 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,552 | Apr 8, 2008 | — | — |
| Canyon Ranch #9319S42-435-38941 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,627 | Apr 8, 2008 | — | — |
| Canyon Ranch #8220S42-435-38944 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,500 | Apr 8, 2008 | — | — |
| Canyon Ranch #9318S42-435-38945 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 5,624 | Apr 8, 2008 | — | — |
| Canyon Ranch #9321S42-435-38942 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 5,629 | Apr 7, 2008 | — | — |
| Canyon Ranch #9320S42-435-38943 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 5,627 | Apr 7, 2008 | — | — |
| Reed 101 #3242-435-38937 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,325 | Apr 1, 2008 | — | — |
| Stewart #30542-435-38939 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 5,492 | Apr 1, 2008 | — | — |
| Shurley RR IF #842-435-38905 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 9,039 | Mar 28, 2008 | — | — |
| Kelly 115 #2742-435-38923 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,486 | Mar 28, 2008 | — | — |
| Kelly 115 #2842-435-38924 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,425 | Mar 28, 2008 | — | — |
| Kelly 115 #2942-435-38925 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,507 | Mar 28, 2008 | — | — |
| Kelly 115 #3242-435-38926 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,442 | Mar 28, 2008 | — | — |
| Reed 116 #2942-435-38927 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,723 | Mar 28, 2008 | — | — |
| Reed 116 #3042-435-38928 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,574 | Mar 28, 2008 | — | — |
| Reed 116 #3142-435-38929 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,530 | Mar 28, 2008 | — | — |
| Canyon Ranch 207 #25S42-435-38933 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,684 | Mar 28, 2008 | — | — |
| Canyon Ranch 207 #23S42-435-38936 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,810 | Mar 28, 2008 | — | — |
| Carta 103 #1742-435-38938 | Robert C. Brower LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,450 | Mar 28, 2008 | — | — |
| Jones 97 #942-435-38930 | Robert C. Brower LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,570 | Mar 27, 2008 | — | — |
| Jones 97 #1342-435-38931 | Robert C. Brower LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,465 | Mar 27, 2008 | — | — |
| Espy H. T. -B- #442-435-38932 | Robert C. Brower LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,616 | Mar 27, 2008 | — | — |
| Canyon Ranch 207 #22S42-435-38935 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,828 | Mar 27, 2008 | — | — |
| Steen #9942-435-38914 | Upp Operating LLC only | Sutton, TXFawcett (Wolfcamp) | ActiveGas | 5,849 | Mar 25, 2008 | — | — |
| Kelly 35 #842-435-38893 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,074 | Mar 21, 2008 | — | — |
| Kelly 35 #9X42-435-38894 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,079 | Mar 21, 2008 | — | — |
| Kelly 35 #3A42-435-38895 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,299 | Mar 21, 2008 | — | — |
| Kelly 35 #1342-435-38896 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,951 | Mar 21, 2008 | — | — |