| Mayer #5142-435-36728 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,121 | Mar 8, 2004 | — | — |
| Mayer #5042-435-36727 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,305 | Mar 5, 2004 | — | — |
| Kelly 127 #642-435-36724 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,608 | Mar 4, 2004 | — | — |
| Cauthorn Mack 130 #742-435-36725 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,007 | Mar 4, 2004 | — | — |
| Shurley 165 #942-435-36726 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,450 | Mar 4, 2004 | — | — |
| Cauthorn, Mack 112 #1142-435-36722 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 7,100 | Mar 1, 2004 | — | — |
| Genini #311242-435-36723 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,912 | Mar 1, 2004 | — | — |
| Shurley 123 #1942-435-36700 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,700 | Feb 24, 2004 | — | — |
| Shurley 142 #2042-435-36701 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,700 | Feb 24, 2004 | — | — |
| Shurley 142 #2242-435-36702 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,950 | Feb 24, 2004 | — | — |
| Kelly 124 #1842-435-36703 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,650 | Feb 24, 2004 | — | — |
| Mayer #50642-435-36721 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,350 | Feb 24, 2004 | — | — |
| Epps #703942-435-36714 | Reliance Energy, Incpermitted by · no operator of record | Sutton, TXHolman Ranch, N (Penn) | Not on schedule | 6,600 | Feb 23, 2004 | — | — |
| Brown / Whitehead 2 #2242-435-36715 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 9,000 | Feb 23, 2004 | — | — |
| Brown / Whitehead 2 #842-435-36716 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,900 | Feb 23, 2004 | — | — |
| Brown / Whitehead 2 #1942-435-36717 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 9,150 | Feb 23, 2004 | — | — |
| Brown / Whitehead 2 #3342-435-36718 | Smith Pipe of Abilene only | Sutton, TXSawyer (Canyon) | PluggedGas | 8,950 | Feb 23, 2004 | — | — |
| Brown / Whitehead 2 #2942-435-36719 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 9,004 | Feb 23, 2004 | — | — |
| Brown / Whitehead 2 #2842-435-36720 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 9,200 | Feb 23, 2004 | — | — |
| Thomson #1142-435-36708 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,205 | Feb 20, 2004 | — | — |
| Sawyer 167 #1342-435-36712 | Robert C. Brower LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 7,300 | Feb 20, 2004 | — | — |
| Mayfield 32 #1242-435-36713 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,750 | Feb 20, 2004 | — | — |
| Mayer Edwin S. Jr. T #242-435-36709 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,100 | Feb 19, 2004 | — | — |
| Sawyer 129 #1442-435-36711 | KCS Resources, Inc.permitted by · no operator of record | Sutton, TXSawyer (Canyon) | Not on schedule | 7,150 | Feb 19, 2004 | — | — |
| Hill-Mayer Edwin S. Jr. GG #342-435-36706 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,260 | Feb 18, 2004 | — | — |
| Mayer Edwin S. Jr. K #542-435-36707 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,150 | Feb 18, 2004 | — | — |
| Galbreath 66 #1342-435-36696 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,111 | Feb 17, 2004 | — | — |
| Simmons Ranch #6442-435-36697 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,240 | Feb 17, 2004 | — | — |
| Galbreath 65 #1142-435-36698 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,150 | Feb 17, 2004 | — | — |
| Simmons Ranch #7542-435-36699 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,077 | Feb 17, 2004 | — | — |
| Shurley 123 #2042-435-36677 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,839 | Feb 15, 2004 | — | — |
| Kelly 124 #1942-435-36675 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,700 | Feb 13, 2004 | — | — |
| Deberry Meckel Unit #1342-435-36692 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,524 | Feb 13, 2004 | — | — |
| Deberry Meckel Unit #1442-435-36693 | Smith Pipe of Abilene only | Sutton, TXSonora (Canyon Upper) | PluggedGas | 6,700 | Feb 13, 2004 | — | — |
| Meckel #7542-435-36694 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,205 | Feb 13, 2004 | — | — |
| Meckel a #6842-435-36695 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,331 | Feb 13, 2004 | — | — |
| Genini #331342-435-36691 | Robert C. Brower LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,100 | Feb 11, 2004 | — | — |
| Mayfield 33 #1342-435-36685 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,510 | Feb 10, 2004 | — | — |
| Simmons Ranch #6042-435-36686 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,180 | Feb 10, 2004 | — | — |
| Wilson Duke #341342-435-36687 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,800 | Feb 10, 2004 | — | — |
| Wilson Duke #153342-435-36688 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,300 | Feb 10, 2004 | — | — |
| Wilson Duke #172942-435-36689 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,795 | Feb 10, 2004 | — | — |
| Wilson Duke #171642-435-36690 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,342 | Feb 10, 2004 | — | — |
| Sawyer 170 #1342-435-36683 | KCS Resources, Inc.permitted by · no operator of record | Sutton, TXSawyer (Canyon) | Not on schedule | 7,350 | Feb 6, 2004 | — | — |
| Genini #381042-435-36684 | Robert C. Brower LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,700 | Feb 6, 2004 | — | — |
| Bloodworth #90142-435-36679 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 9,851 | Feb 5, 2004 | — | — |
| Cauthorn 86 #642-435-36680 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,618 | Feb 5, 2004 | — | — |
| Galbraith 79 #642-435-36681 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,223 | Feb 5, 2004 | — | — |
| Galbraith 79 #842-435-36682 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,200 | Feb 5, 2004 | — | — |
| Richardson 134 #342-435-36678 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,153 | Feb 4, 2004 | — | — |