| Simmons Ranch #6942-435-36785 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,310 | Apr 6, 2004 | — | — |
| Simmons Ranch #7742-435-36786 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,170 | Apr 6, 2004 | — | — |
| Mayfield 41 #1242-435-36783 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,625 | Apr 5, 2004 | — | — |
| Mayfield 41 #1142-435-36784 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,608 | Apr 5, 2004 | — | — |
| Glasscock Lillian Bell #311242-435-36780 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,500 | Apr 2, 2004 | — | — |
| Glasscock Lillian Bell #311042-435-36781 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,522 | Apr 2, 2004 | — | — |
| Glasscock L. B. #330342-435-36782 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,610 | Apr 2, 2004 | — | — |
| Wilson Duke #172442-435-36729 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,667 | Apr 1, 2004 | — | — |
| Wilson Duke #171442-435-36730 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,199 | Apr 1, 2004 | — | — |
| Wilson Duke #172842-435-36731 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,634 | Apr 1, 2004 | — | — |
| Mayfield 41 #1042-435-36778 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,597 | Apr 1, 2004 | — | — |
| Mitchell Tom 3 #742-435-36779 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,617 | Apr 1, 2004 | — | — |
| Nicks Gerald #942-435-36671 | R2Q Operating LLC only | Sutton, TXDenison (Strawn) | ActiveGas | 9,020 | Mar 29, 2004 | — | — |
| Nicks Gerald #842-435-36672 | R2Q Operating LLC only | Sutton, TXDenison (Strawn) | ActiveGas | 9,032 | Mar 29, 2004 | — | — |
| Cusenbary 60 #942-435-36775 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 5,607 | Mar 29, 2004 | — | — |
| Cauthorn 27 #1242-435-36776 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,703 | Mar 29, 2004 | — | — |
| Cauthorn 27 #1042-435-36777 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,082 | Mar 29, 2004 | — | — |
| Kelly 124 #2042-435-36766 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,650 | Mar 26, 2004 | — | — |
| Shurley 142 #1942-435-36767 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,427 | Mar 26, 2004 | — | — |
| Shurley 142 #2142-435-36768 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,860 | Mar 26, 2004 | — | — |
| Shurley 123 #1842-435-36769 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,700 | Mar 26, 2004 | — | — |
| Cusenbary 60 #742-435-36774 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 5,652 | Mar 26, 2004 | — | — |
| Davis D #1442-435-36771 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,205 | Mar 24, 2004 | — | — |
| Bee County School Land #1742-435-36770 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,400 | Mar 22, 2004 | — | — |
| Glasscock Lillian Bell #311142-435-36764 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,558 | Mar 19, 2004 | — | — |
| Hudspeth 52 #442-435-36765 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,750 | Mar 19, 2004 | — | — |
| Reinhardt 6 #1342-435-36757 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,350 | Mar 18, 2004 | — | — |
| Vanderstucken 69 #2A42-435-36758 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,220 | Mar 18, 2004 | — | — |
| Vanderstucken 69 #742-435-36759 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,150 | Mar 18, 2004 | — | — |
| Vanderstucken 69 #8A42-435-36760 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,100 | Mar 18, 2004 | — | — |
| Simmons Ranch #6642-435-36761 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,996 | Mar 18, 2004 | — | — |
| Wilson Duke 172 #1642-435-36752 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,812 | Mar 17, 2004 | — | — |
| Wilson Duke 189 #1442-435-36753 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,795 | Mar 17, 2004 | — | — |
| Shurley 165 #842-435-36754 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,250 | Mar 17, 2004 | — | — |
| Mayer #4642-435-36746 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,410 | Mar 16, 2004 | — | — |
| Mayfield 32 #1342-435-36747 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,700 | Mar 16, 2004 | — | — |
| Simmons Ranch #7142-435-36748 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,275 | Mar 16, 2004 | — | — |
| Wilson Duke #153442-435-36749 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,618 | Mar 16, 2004 | — | — |
| Davis F #1042-435-36751 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 5,926 | Mar 16, 2004 | — | — |
| Bloodworth #120142-435-36740 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 9,099 | Mar 12, 2004 | — | — |
| Mayer #4942-435-36742 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,377 | Mar 12, 2004 | — | — |
| Hudspeth 51 #542-435-36744 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,550 | Mar 12, 2004 | — | — |
| Hudspeth 1 #542-435-36745 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,550 | Mar 12, 2004 | — | — |
| Schwiening 46 #142-435-36734 | Rubicon Oil & Gas LLC only | Sutton, TXRoberts (Strawn) | PluggedOil | 7,000 | Mar 11, 2004 | — | — |
| Duke Wilson #137-342-435-36735 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Plugged | 8,800 | Mar 11, 2004 | — | — |
| Ward #5742-435-36736 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 7,610 | Mar 11, 2004 | — | — |
| Davis E #1542-435-36737 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,200 | Mar 11, 2004 | — | — |
| Hudspeth 51 #442-435-36738 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,600 | Mar 11, 2004 | — | — |
| Hudspeth 1 #742-435-36739 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 9,250 | Mar 11, 2004 | — | — |
| Mayer 34 #342-435-36732 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,400 | Mar 10, 2004 | — | — |