| McDermott #542-435-34800 | Grace Petroleum Operating LLC | Sutton, TXBranch North (Ellen.) | ActiveGas | 6,154 | Feb 27, 1998 | — | — |
| Vanderstucken 49 #942-435-34797 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,000 | Feb 18, 1998 | — | — |
| Simmons 73 #542-435-34798 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,012 | Feb 18, 1998 | — | — |
| McMillan W. B. 14 #942-435-34799 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,750 | Feb 18, 1998 | — | — |
| Bloodworth 11 #142-435-34793 | Upp Operating LLC | Sutton, TXWhitehead (Strawn) | ActiveGas | 9,022 | Feb 10, 1998 | — | — |
| Sawyer 112 #1342-435-34794 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,900 | Feb 10, 1998 | — | — |
| Pfluger 104 #1342-435-34795 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,600 | Feb 10, 1998 | — | — |
| McMillan W. B. 10 #842-435-34796 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,750 | Feb 10, 1998 | — | — |
| Shurley 110 #942-435-34791 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 7,050 | Feb 6, 1998 | — | — |
| Shurley 99 #942-435-34792 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,350 | Feb 6, 1998 | — | — |
| Genini #370442-435-34790 | Robert C. Brower LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,538 | Jan 27, 1998 | — | — |
| Shurley 123 #1342-435-34786 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,650 | Jan 22, 1998 | — | — |
| McMillan Leo H. -11- #1642-435-34787 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,650 | Jan 22, 1998 | — | — |
| Kelly 125 #1742-435-34788 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,800 | Jan 22, 1998 | — | — |
| Kelly 125A #1842-435-34789 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,750 | Jan 22, 1998 | — | — |
| Pfluger 84 #1142-435-34785 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,515 | Jan 21, 1998 | — | — |
| Dunbar Ned #2342-435-34783 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,300 | Jan 16, 1998 | — | — |
| Reed 101 #1642-435-34781 | Enervest Operating L.L.C. | Sutton, TXSawyer (Canyon) | PluggedGas | 6,400 | Jan 12, 1998 | — | — |
| Reed 100 #1642-435-34782 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,350 | Jan 12, 1998 | — | — |
| Dunbar Ned #2542-435-34780 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,300 | Jan 2, 1998 | — | — |
| Hill-Mayer Edwin S. Jr. U #442-435-34452 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,150 | Dec 18, 1997 | — | — |
| Shurley 147 #1642-435-34773 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 7,050 | Dec 18, 1997 | — | — |
| Pfluger 84 #1242-435-34775 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,600 | Dec 18, 1997 | — | — |
| Pfluger 104 #1142-435-34776 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,550 | Dec 18, 1997 | — | — |
| McMillan Leo H. 108 #1042-435-34777 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,600 | Dec 18, 1997 | — | — |
| Pfluger 105 #1342-435-34778 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,700 | Dec 18, 1997 | — | — |
| Shannon 51 #642-435-34779 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,200 | Dec 18, 1997 | — | — |
| Shurley 147 #1542-435-34774 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 7,150 | Dec 17, 1997 | — | — |
| Dunbar Ned #2442-435-34772 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,300 | Dec 12, 1997 | — | — |
| Genini #330342-435-34771 | Robert C. Brower LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,700 | Dec 5, 1997 | — | — |
| Genini #391042-435-34763 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,900 | Dec 2, 1997 | — | — |
| Mayer Edwin S. Jr. D #1342-435-34765 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,250 | Nov 21, 1997 | — | — |
| Mayer 15 #442-435-34766 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,200 | Nov 21, 1997 | — | — |
| McMillan Leo H. -11- #1442-435-34768 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,600 | Nov 21, 1997 | — | — |
| McMillan W. B. 14 #842-435-34769 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,800 | Nov 21, 1997 | — | — |
| McMillan W. B. 14 #1342-435-34770 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,800 | Nov 21, 1997 | — | — |
| Mayer Minnie H. #442-435-34607 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,062 | Nov 12, 1997 | — | — |
| Genini #391142-435-34755 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,050 | Nov 7, 1997 | — | — |
| Diebitsch 70 #242-435-34764 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,206 | Nov 7, 1997 | — | — |
| Genini #310942-435-34754 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,010 | Oct 30, 1997 | — | — |
| Genini #390942-435-34761 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,192 | Oct 28, 1997 | — | — |
| Phillips 40 #142-435-34757 | Ricks Exploration Inc. | Sutton, TXWildcat | PluggedGas | 10,200 | Oct 17, 1997 | — | — |
| Wilson 32 #942-435-34762 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,900 | Oct 15, 1997 | — | — |
| McMillan Leo H. -11- #942-435-34758 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,650 | Oct 14, 1997 | — | — |
| McMillan Leo H. 108 #842-435-34759 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,575 | Oct 14, 1997 | — | — |
| Jones Ranch #187242-435-34760 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,065 | Oct 14, 1997 | — | — |
| Jones Ranch #182142-435-34756 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 7,750 | Oct 13, 1997 | — | — |
| McDermott 23 #2HHZ42-435-34753 | Anadarko E&P Company LP | Sutton, TXRoberts (Strawn) | PluggedGas | 6,000 | Oct 2, 1997 | — | — |
| Mayer 15 #342-435-34752 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,250 | Oct 1, 1997 | — | — |
| Genini #370342-435-34750 | Robert C. Brower LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,700 | Sep 30, 1997 | — | — |