| Hill-Mayer Edwin S. Jr. U #642-435-38681 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,200 | Aug 30, 2007 | — | — |
| Hill-Mayer Edwin S. Jr. U #742-435-38682 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,225 | Aug 30, 2007 | — | — |
| Wilson Duke 187 #1842-435-38665 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 9,250 | Aug 29, 2007 | — | — |
| Wilson Duke 187 #2042-435-38666 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 9,400 | Aug 29, 2007 | — | — |
| Canyon Ranch #9218S42-435-38609 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,800 | Aug 28, 2007 | — | — |
| Canyon Ranch #9219S42-435-38610 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 5,750 | Aug 28, 2007 | — | — |
| Richardson 4 #1142-435-38667 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,373 | Aug 28, 2007 | — | — |
| Richardson 4 #1242-435-38668 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,381 | Aug 28, 2007 | — | — |
| Richardson 4 #1342-435-38669 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,407 | Aug 28, 2007 | — | — |
| Mayer Ranch EE #290442-435-38670 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,100 | Aug 28, 2007 | — | — |
| Mayer Edwin S. Jr. C #10442-435-38671 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,050 | Aug 28, 2007 | — | — |
| Mayer Ranch EE #290542-435-38672 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,073 | Aug 28, 2007 | — | — |
| Mayer Minnie H. JJ #330342-435-38673 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,198 | Aug 28, 2007 | — | — |
| Hill-Vanderstucken a #742-435-38674 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,623 | Aug 28, 2007 | — | — |
| Hill-Mayer Edwin S. Jr. X #642-435-38677 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,050 | Aug 28, 2007 | — | — |
| Mayer 20A #942-435-38485 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,836 | Aug 27, 2007 | — | — |
| Canyon Ranch #8218S42-435-38663 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,530 | Aug 27, 2007 | — | — |
| Mayer 38 #842-435-38676 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 8,400 | Aug 24, 2007 | — | — |
| Epps H. C. 38 #1142-435-38675 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,732 | Aug 23, 2007 | — | — |
| Hill-Mayer Edwin S. Jr. O #642-435-38661 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,075 | Aug 20, 2007 | — | — |
| Brown Jack W. A. #742-435-38597 | Upp Operating LLC only | Sutton, TXWhitehead (Strawn) | ActiveGas | 9,400 | Aug 17, 2007 | — | — |
| Canyon Ranch #837X42-435-38645 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 7,000 | Aug 17, 2007 | — | — |
| Holman A. D. #260442-435-38662 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,921 | Aug 17, 2007 | — | — |
| Espy 57 #1242-435-38648 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,034 | Aug 14, 2007 | — | — |
| Epps H. C. 38 #1242-435-38657 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,692 | Aug 14, 2007 | — | — |
| Mayer Ranch 35 #642-435-38640 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,430 | Aug 13, 2007 | — | — |
| Epps H.C. 49 #642-435-38652 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,882 | Aug 13, 2007 | — | — |
| Epps H. C. 39 #1342-435-38655 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,674 | Aug 13, 2007 | — | — |
| Epps H. C. #39 #1142-435-38656 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,088 | Aug 13, 2007 | — | — |
| Brown Jack W.A. #842-435-38594 | Upp Operating LLC only | Sutton, TXWhitehead (Strawn) | ActiveGas | 9,400 | Aug 9, 2007 | — | — |
| Brown Jack W. A. #642-435-38592 | Upp Operating LLC only | Sutton, TXWhitehead (Strawn) | ActiveGas | 9,315 | Aug 8, 2007 | — | — |
| Brown Jack W. A. #442-435-38595 | Upp Operating LLC only | Sutton, TXWhitehead (Strawn) | ActiveGas | 9,300 | Aug 8, 2007 | — | — |
| Brown Jack W.A. #542-435-38598 | Upp Operating LLC only | Sutton, TXWhitehead (Strawn) | ActiveGas | 9,300 | Aug 8, 2007 | — | — |
| Canyon Ranch 115 #24S42-435-38614 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,803 | Aug 2, 2007 | — | — |
| Stewart 3 #442-435-38615 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 5,060 | Aug 2, 2007 | — | — |
| Canyon Ranch 115 #22S42-435-38616 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,818 | Aug 2, 2007 | — | — |
| Canyon Ranch 115 #23S42-435-38617 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,878 | Aug 2, 2007 | — | — |
| Stewart 78 1/2 #642-435-38618 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 5,300 | Aug 2, 2007 | — | — |
| Ward C #4142-435-38602 | Robert C. Brower LLC only | Sutton, TXSonora (Canyon Upper) | Temporarily abandonedGas | 7,665 | Aug 1, 2007 | — | — |
| Bloodworth #70542-435-38632 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,225 | Aug 1, 2007 | — | — |
| Bloodworth 11 #542-435-38629 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 9,650 | Jul 31, 2007 | — | — |
| Archer SWD #142-435-38631 | Upp Operating LLC only | Sutton, TXJ. D. Slade (Miss) | ActiveInjection | 6,816 | Jul 31, 2007 | — | — |
| Nicks Gerald 5 #942-435-38626 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,650 | Jul 30, 2007 | — | — |
| Mittel R. H. #342-435-38628 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,407 | Jul 30, 2007 | — | — |
| Mitchell Tom 4 #642-435-38630 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,550 | Jul 30, 2007 | — | — |
| Ward C #4242-435-38604 | Robert C. Brower LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 7,100 | Jul 27, 2007 | — | — |
| Nicks Gerald 5 #242-435-38619 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,755 | Jul 27, 2007 | — | — |
| Nicks Gerald 5 #342-435-38620 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,725 | Jul 27, 2007 | — | — |
| Nicks, Gerald 5 #442-435-38621 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 8,975 | Jul 27, 2007 | — | — |
| Nicks Gerald 5 #542-435-38622 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | Temporarily abandonedGas | 8,825 | Jul 27, 2007 | — | — |