| Canyon Ranch #1061X42-435-37024 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,594 | Aug 12, 2004 | — | — |
| Canyon Ranch #1144S42-435-37025 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,585 | Aug 12, 2004 | — | — |
| Canyon Ranch #1267 S42-435-37026 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,501 | Aug 12, 2004 | — | — |
| Canyon Ranch #1268S42-435-37027 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,523 | Aug 12, 2004 | — | — |
| Canyon Ranch 126 #10 S42-435-37028 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,401 | Aug 12, 2004 | — | — |
| Canyon Ranch 126 #11S42-435-37029 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,533 | Aug 12, 2004 | — | — |
| Cusenbary 36 #242-435-37030 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 5,531 | Aug 12, 2004 | — | — |
| Hudspeth B #101142-435-37031 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,800 | Aug 12, 2004 | — | — |
| Hudspeth B #10642-435-37032 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,850 | Aug 12, 2004 | — | — |
| Shurley #106D42-435-37021 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,502 | Aug 11, 2004 | — | — |
| Ward J. W. 118 #1142-435-37022 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 7,135 | Aug 11, 2004 | — | — |
| Ward J. W. 118 #1342-435-37023 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 7,014 | Aug 11, 2004 | — | — |
| Simmons 71 #842-435-37019 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,860 | Aug 10, 2004 | — | — |
| Kirby 2 #742-435-37020 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,513 | Aug 10, 2004 | — | — |
| Brown/Whitehead 2 #4942-435-37015 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,850 | Aug 5, 2004 | — | — |
| Brown/Whitehead 2 #4742-435-37016 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 9,000 | Aug 5, 2004 | — | — |
| Brown/Whitehead 2 #4642-435-37017 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,900 | Aug 5, 2004 | — | — |
| Brown/Whitehead 2 #4542-435-37018 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,850 | Aug 5, 2004 | — | — |
| Fawcett, Bobbie H #1742-435-37012 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 8,800 | Aug 4, 2004 | — | — |
| Halbert #1142-435-37013 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 7,291 | Aug 4, 2004 | — | — |
| Fawcett Bobbie H #1542-435-37014 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,405 | Aug 4, 2004 | — | — |
| Shurley 96 #2142-435-37010 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,200 | Aug 3, 2004 | — | — |
| Shannon 52 #1442-435-37011 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,920 | Aug 3, 2004 | — | — |
| Genini #391242-435-37003 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,502 | Aug 2, 2004 | — | — |
| Genini #162142-435-37004 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,523 | Aug 2, 2004 | — | — |
| Deberry-Berger Unit #1642-435-37005 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,325 | Aug 2, 2004 | — | — |
| Mayer 38 #642-435-37006 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,141 | Aug 2, 2004 | — | — |
| Hill-Mayer Minnie H A #442-435-37007 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,160 | Aug 2, 2004 | — | — |
| Hill-Mayer Minnie H. D #342-435-37008 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 8,100 | Aug 2, 2004 | — | — |
| Mayer Minnie H. E #242-435-37009 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,049 | Aug 2, 2004 | — | — |
| Miers #151142-435-33726 | Robert C. Brower LLC only | Sutton, TXFawcett (Wolfcamp) | Temporarily abandonedGas | 5,973 | Jul 30, 2004 | — | — |
| Carta 104 #342-435-36998 | Robert C. Brower LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,450 | Jul 29, 2004 | — | — |
| Diebitsch 70 #1142-435-36999 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,921 | Jul 29, 2004 | — | — |
| Mayer 48 #442-435-37000 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,260 | Jul 29, 2004 | — | — |
| Mayer 48 #542-435-37001 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,180 | Jul 29, 2004 | — | — |
| Hudspeth B #10942-435-36997 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,816 | Jul 28, 2004 | — | — |
| Duke Wilson 172 #1442-435-36996 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,850 | Jul 26, 2004 | — | — |
| Mayfield 33 #1542-435-36992 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,550 | Jul 23, 2004 | — | — |
| Shurley 96 #2242-435-36993 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,250 | Jul 23, 2004 | — | — |
| Creek #970142-435-36994 | Highmount Expl & Prod Texas LLC only | Sutton, TXSonora (Canyon Upper) | PluggedGas | 6,600 | Jul 23, 2004 | — | — |
| Mayfield 33 #1142-435-36995 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,510 | Jul 23, 2004 | — | — |
| Wilson Duke 136 #1342-435-36987 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,120 | Jul 22, 2004 | — | — |
| Wilson Duke #321442-435-36988 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,809 | Jul 22, 2004 | — | — |
| Shurley 96 #1942-435-36989 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,274 | Jul 22, 2004 | — | — |
| Shurley 96 #2042-435-36990 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,251 | Jul 22, 2004 | — | — |
| Wilson Duke #321642-435-36991 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,905 | Jul 22, 2004 | — | — |
| Fields 55 #1542-435-36982 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 6,500 | Jul 21, 2004 | — | — |
| Fields 17 #1842-435-36983 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,220 | Jul 21, 2004 | — | — |
| Fields 19 #1842-435-36984 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 6,500 | Jul 21, 2004 | — | — |
| Fields 53 #1942-435-36985 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 6,500 | Jul 21, 2004 | — | — |