| Fields 53 #1242-435-35813 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,167 | Mar 14, 2002 | — | — |
| Fields 19 #1742-435-35805 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,360 | Mar 13, 2002 | — | — |
| Martin #1542-435-35806 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,400 | Mar 13, 2002 | — | — |
| Simmons Ranch #2142-435-35807 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,303 | Mar 13, 2002 | — | — |
| Simmons Ranch #3242-435-35808 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,400 | Mar 13, 2002 | — | — |
| Kelly 124 #1742-435-35769 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,726 | Mar 11, 2002 | — | — |
| Kirby 183 #5__42-435-35801 | — | Sutton, TX | Plugged | 7,700 | Mar 7, 2002 | — | — |
| Kirby 183 #642-435-35802 | Enervest Operating L.L.C. | Sutton, TXSawyer (Canyon) | PluggedGas | 7,700 | Mar 7, 2002 | — | — |
| Mayer 3B #542-435-35803 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,559 | Mar 7, 2002 | — | — |
| Davis C #2542-435-35800 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,400 | Mar 6, 2002 | — | — |
| Vanderstucken 51 #942-435-35797 | Smith Pipe of Abilene | Sutton, TXSawyer (Canyon) | PluggedGas | 6,075 | Mar 5, 2002 | — | — |
| Vanderstucken 48 #1042-435-35798 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,670 | Mar 5, 2002 | — | — |
| Kirby 1 #842-435-35799 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 7,950 | Mar 5, 2002 | — | — |
| Sawyer-Jones #200142-435-35792 | Great Western Drilling Company | Sutton, TXSawyer (Canyon) | PluggedGas | 9,000 | Mar 4, 2002 | — | — |
| Simmons Ranch #2742-435-35793 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,305 | Mar 4, 2002 | — | — |
| Simmons Ranch #2842-435-35794 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,400 | Mar 4, 2002 | — | — |
| Fields 19 #942-435-35795 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,200 | Mar 4, 2002 | — | — |
| Fields 16 #1442-435-35796 | Upp Operating LLC | Sutton, TXFawcett (Wolfcamp) | Temporarily abandonedGas | 5,950 | Mar 4, 2002 | — | — |
| Fields 53 #1142-435-35791 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,250 | Feb 28, 2002 | — | — |
| Mayer 3B #642-435-35790 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,598 | Feb 26, 2002 | — | — |
| Vanderstucken 71 #1042-435-35785 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,166 | Feb 21, 2002 | — | — |
| Mayer 3 #642-435-35787 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,503 | Feb 21, 2002 | — | — |
| Mayer 21 #642-435-35788 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,701 | Feb 21, 2002 | — | — |
| Vanderstucken 49 #1142-435-35789 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,719 | Feb 21, 2002 | — | — |
| Mayer 3 #342-435-35783 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,522 | Feb 20, 2002 | — | — |
| Morriss 83 #542-435-35784 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,850 | Feb 20, 2002 | — | — |
| Vanderstucken 72 #1042-435-35786 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,026 | Feb 20, 2002 | — | — |
| Morriss 82 #442-435-35782 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,000 | Feb 19, 2002 | — | — |
| Fields 53 #942-435-35779 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,250 | Feb 15, 2002 | — | — |
| Fields 53 #1042-435-35780 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,200 | Feb 15, 2002 | — | — |
| Richardson 135 #742-435-35781 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,395 | Feb 15, 2002 | — | — |
| Davis C #2442-435-35775 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,400 | Feb 14, 2002 | — | — |
| Fields 16 #1842-435-35776 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,123 | Feb 14, 2002 | — | — |
| Meckel a #3642-435-35777 | Enervest Operating L.L.C. | Sutton, TXSonora (Canyon Upper) | PluggedGas | 6,400 | Feb 14, 2002 | — | — |
| Meckel a #2842-435-35778 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,600 | Feb 14, 2002 | — | — |
| Mayer 3C #642-435-35774 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,607 | Feb 13, 2002 | — | — |
| Fields 19 #1442-435-35773 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,350 | Feb 12, 2002 | — | — |
| Martin #1342-435-35770 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | Temporarily abandonedGas | 6,000 | Feb 11, 2002 | — | — |
| Martin #1142-435-35771 | Dominion Oklahoma Texas E&P Inc | Sutton, TXSonora (Canyon Upper) | PluggedGas | 6,000 | Feb 11, 2002 | — | — |
| Reed 116 #1742-435-35772 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,762 | Feb 11, 2002 | — | — |
| Mayfield 39 #1942-435-35765 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,617 | Feb 7, 2002 | — | — |
| Mayfield 45 #1042-435-35766 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,443 | Feb 7, 2002 | — | — |
| Richardson 138 #1642-435-35767 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,332 | Feb 7, 2002 | — | — |
| Meckel a #3042-435-35762 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | Temporarily abandonedGas | 6,600 | Feb 6, 2002 | — | — |
| Meckel a #3442-435-35763 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | Temporarily abandonedGas | 6,600 | Feb 6, 2002 | — | — |
| Meckel a #3542-435-35764 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | Temporarily abandonedGas | 6,600 | Feb 6, 2002 | — | — |
| Hudspeth 54 #642-435-35760 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,673 | Feb 5, 2002 | — | — |
| Mayer 3B #242-435-35761 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,600 | Feb 5, 2002 | — | — |
| Simmons Ranch #2642-435-35755 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 7,950 | Feb 4, 2002 | — | — |
| Dunbar Ned #5542-435-35756 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,250 | Feb 4, 2002 | — | — |