| Fields 51 #942-435-36005 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,950 | Sep 5, 2002 | — | — |
| Hudspeth 51 #242-435-36006 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,650 | Sep 5, 2002 | — | — |
| Hudspeth J #242-435-36001 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,701 | Aug 30, 2002 | — | — |
| Hudspeth 53 #542-435-36002 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,774 | Aug 30, 2002 | — | — |
| Meckel #5942-435-36003 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,150 | Aug 30, 2002 | — | — |
| Fields 52 #942-435-36004 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,114 | Aug 30, 2002 | — | — |
| Hudspeth H #542-435-36000 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,900 | Aug 29, 2002 | — | — |
| Davis C #3642-435-35997 | Enervest Operating L.L.C. | Sutton, TXSonora (Canyon Upper) | PluggedGas | 6,425 | Aug 27, 2002 | — | — |
| Meckel a #5042-435-35998 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,514 | Aug 27, 2002 | — | — |
| Thompson C #6__42-435-35999 | — | Sutton, TX | Plugged | 6,600 | Aug 27, 2002 | — | — |
| Martin #6__42-435-35996 | — | Sutton, TX | Plugged | 6,325 | Aug 26, 2002 | — | — |
| Hill-Fawcett Randee Trust F #242-435-35992 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,458 | Aug 23, 2002 | — | — |
| Fields 52 #1142-435-35993 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,114 | Aug 23, 2002 | — | — |
| Fields 52 #1442-435-35994 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,204 | Aug 23, 2002 | — | — |
| Fields 53 #1542-435-35995 | Upp Operating LLC | Sutton, TXFawcett (Wolfcamp) | ActiveGas | 6,174 | Aug 23, 2002 | — | — |
| Mayer 3C #1042-435-35991 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,650 | Aug 21, 2002 | — | — |
| Deberry #642-435-33620 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | Temporarily abandonedGas | 6,200 | Aug 16, 2002 | — | — |
| Hudspeth 53 #642-435-35988 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,861 | Aug 16, 2002 | — | — |
| Hudspeth 53 #442-435-35989 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,761 | Aug 16, 2002 | — | — |
| Kelly 125 #2042-435-35990 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,860 | Aug 16, 2002 | — | — |
| Reed 101 #1942-435-35986 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,400 | Aug 15, 2002 | — | — |
| Reed 101 #1842-435-35987 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,368 | Aug 15, 2002 | — | — |
| Mayer 3D #842-435-35983 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,678 | Aug 13, 2002 | — | — |
| Mayer 3D #642-435-35984 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,768 | Aug 13, 2002 | — | — |
| Mayer 3B #842-435-35985 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,672 | Aug 13, 2002 | — | — |
| Hudspeth 54 #742-435-35981 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,701 | Aug 9, 2002 | — | — |
| Mayer 3C #942-435-35982 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,750 | Aug 9, 2002 | — | — |
| Meckel #6142-435-35979 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | Temporarily abandonedGas | 5,950 | Aug 8, 2002 | — | — |
| Meckel #6042-435-35980 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,218 | Aug 8, 2002 | — | — |
| Vanderstucken 53 #642-435-35977 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,050 | Aug 5, 2002 | — | — |
| Vanderstucken 49 #1542-435-35978 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,808 | Aug 5, 2002 | — | — |
| Dunbar Ned #7742-435-35974 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,200 | Aug 2, 2002 | — | — |
| Dunbar Ned #7942-435-35975 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,200 | Aug 2, 2002 | — | — |
| Dunbar Ned #7842-435-35976 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,100 | Aug 2, 2002 | — | — |
| Vanderstucken 72 #1542-435-35973 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,174 | Aug 1, 2002 | — | — |
| Meckel a #4642-435-35972 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | Temporarily abandonedGas | 6,269 | Jul 31, 2002 | — | — |
| Dunbar Ned #7642-435-35967 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,200 | Jul 30, 2002 | — | — |
| Dunbar Ned #7542-435-35968 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,200 | Jul 30, 2002 | — | — |
| Mayer 21 #742-435-35969 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,750 | Jul 30, 2002 | — | — |
| Mayer 21 #842-435-35970 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,603 | Jul 30, 2002 | — | — |
| Shurley 95 #1642-435-35971 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,403 | Jul 30, 2002 | — | — |
| Hill-Ward Rip a #542-435-35952 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,759 | Jul 26, 2002 | — | — |
| Kelly 126 #1142-435-35940 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,693 | Jul 22, 2002 | — | — |
| Meckel a #1142-435-35964 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,613 | Jul 22, 2002 | — | — |
| Hill-Vanderstucken Joe M. #242-435-35965 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,702 | Jul 22, 2002 | — | — |
| Shurley 95 #1742-435-35966 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,325 | Jul 22, 2002 | — | — |
| Mayer 1 #642-435-35963 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,676 | Jul 19, 2002 | — | — |
| Vanderstucken Joe M. #642-435-35961 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,702 | Jul 18, 2002 | — | — |
| Mayer 10 #542-435-35962 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,650 | Jul 18, 2002 | — | — |
| Hicks 22 #1342-435-35957 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,704 | Jul 17, 2002 | — | — |