| Allison 54 #1142-435-36986 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,161 | Jul 21, 2004 | — | — |
| Aldwell Winnie R. Trust K #542-435-36979 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,600 | Jul 19, 2004 | — | — |
| Shurley #105__42-435-36980 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Plugged | 6,300 | Jul 19, 2004 | — | — |
| Aldwell Winnie R. Trust K #342-435-36981 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,700 | Jul 19, 2004 | — | — |
| Carta 104 #142-435-36977 | Robert C. Brower LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,400 | Jul 12, 2004 | — | — |
| Wilson Duke 188 #1742-435-36978 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 9,106 | Jul 12, 2004 | — | — |
| Morriss 81 #142-435-36976 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,519 | Jul 9, 2004 | — | — |
| Deberry a #7742-435-36971 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,551 | Jul 7, 2004 | — | — |
| Deberry a #7842-435-36972 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,452 | Jul 7, 2004 | — | — |
| Deberry a #7342-435-36973 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,565 | Jul 7, 2004 | — | — |
| Deberry a #7442-435-36974 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,569 | Jul 7, 2004 | — | — |
| Deberry a #7642-435-36975 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,564 | Jul 7, 2004 | — | — |
| Mayer #5242-435-36964 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,150 | Jul 2, 2004 | — | — |
| Mayer #340442-435-36965 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,578 | Jul 2, 2004 | — | — |
| Hudspeth 1 #1242-435-36966 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,725 | Jul 2, 2004 | — | — |
| Hudspeth 1 #842-435-36967 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,627 | Jul 2, 2004 | — | — |
| Cusenbary 60 #1142-435-36968 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,727 | Jul 2, 2004 | — | — |
| Hudspeth 1 #642-435-36969 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,656 | Jul 2, 2004 | — | — |
| Hudspeth 1 #442-435-36970 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,750 | Jul 2, 2004 | — | — |
| Deberry a #7042-435-36959 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,700 | Jun 30, 2004 | — | — |
| Deberry a #6842-435-36960 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,702 | Jun 30, 2004 | — | — |
| Deberry a #6742-435-36961 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,702 | Jun 30, 2004 | — | — |
| Deberry a #7242-435-36962 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,764 | Jun 30, 2004 | — | — |
| Deberry a #6942-435-36963 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,727 | Jun 30, 2004 | — | — |
| Shurley #11142-435-36954 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,300 | Jun 29, 2004 | — | — |
| Shurley 166 #1742-435-36957 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,900 | Jun 29, 2004 | — | — |
| Shurley 165 #742-435-36958 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,200 | Jun 29, 2004 | — | — |
| Cauthorn 27 #1342-435-36955 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,705 | Jun 28, 2004 | — | — |
| Cauthorn 27 #1542-435-36956 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,643 | Jun 28, 2004 | — | — |
| Canyon Ranch #1132SD42-435-36950 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,758 | Jun 25, 2004 | — | — |
| Shurley #10742-435-36951 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,114 | Jun 25, 2004 | — | — |
| Shurley #11042-435-36952 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,159 | Jun 25, 2004 | — | — |
| Cauthorn 16 #342-435-36953 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,000 | Jun 25, 2004 | — | — |
| Collier Shurley #1842-435-36929 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,250 | Jun 23, 2004 | — | — |
| Collier Shurley #1942-435-36930 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,200 | Jun 23, 2004 | — | — |
| Collier Shurley #1742-435-36931 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,200 | Jun 23, 2004 | — | — |
| Brown/Whitehead 2 #2142-435-36946 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 9,100 | Jun 23, 2004 | — | — |
| Brown/Whitehead 2 #4042-435-36947 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,900 | Jun 23, 2004 | — | — |
| Brown.whitehead 2 #3742-435-36948 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,700 | Jun 23, 2004 | — | — |
| Brown Whitehead 2 #4442-435-36949 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,830 | Jun 23, 2004 | — | — |
| Carta 103 #1042-435-36928 | Robert C. Brower LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,400 | Jun 22, 2004 | — | — |
| Dunbar Ned #8142-435-36932 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,307 | Jun 22, 2004 | — | — |
| Canyon Ranch #1214S42-435-36933 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,595 | Jun 22, 2004 | — | — |
| Glasscock L. B. #330542-435-36934 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,611 | Jun 22, 2004 | — | — |
| Glasscock Lillian Bell #311442-435-36935 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,355 | Jun 22, 2004 | — | — |
| Canyon Ranch #8214S42-435-36936 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,425 | Jun 22, 2004 | — | — |
| Canyon Ranch #8215S42-435-36937 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 5,410 | Jun 22, 2004 | — | — |
| Canyon Ranch #8217S42-435-36938 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 5,375 | Jun 22, 2004 | — | — |
| Canyon Ranch #926S42-435-36939 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,565 | Jun 22, 2004 | — | — |
| Ward #5442-435-36940 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 7,004 | Jun 22, 2004 | — | — |