| Vanderstucken J. M. #842-435-36521 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,700 | Oct 7, 2003 | — | — |
| Tom Mitchell 2 #242-435-36512 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,662 | Oct 6, 2003 | — | — |
| Canyon Ranch #8216S42-435-36513 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,450 | Oct 6, 2003 | — | — |
| Randee Fawcett Trust C #842-435-36515 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,711 | Oct 6, 2003 | — | — |
| Canyon Ranch #1069S42-435-36516 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 5,555 | Oct 6, 2003 | — | — |
| Nobles #842-435-36471 | R2Q Operating LLC only | Sutton, TXDenison (Strawn) | ActiveGas | 9,252 | Oct 3, 2003 | — | — |
| Mitchell Tom 3 #442-435-36511 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,521 | Oct 3, 2003 | — | — |
| Mitchell Tom 4 #242-435-36510 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,627 | Sep 30, 2003 | — | — |
| Canyon Ranch 115 #14S42-435-36505 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,500 | Sep 26, 2003 | — | — |
| Mitchell Tom 3 #542-435-36506 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 8,672 | Sep 26, 2003 | — | — |
| Mithcell, Tom 2 #442-435-36507 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 8,850 | Sep 26, 2003 | — | — |
| Hill-Fawcett Randee Trust E #242-435-36509 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,703 | Sep 26, 2003 | — | — |
| Jones 118 #1642-435-34701 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveInjection | 7,956 | Sep 24, 2003 | — | — |
| Steen #7342-435-36503 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 5,900 | Sep 24, 2003 | — | — |
| Davis C #4342-435-36504 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,110 | Sep 24, 2003 | — | — |
| Cusenbary 60 #442-435-36498 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 5,800 | Sep 19, 2003 | — | — |
| Deberry a #8442-435-36499 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,701 | Sep 19, 2003 | — | — |
| Deberry-Meckel Unit #1242-435-36500 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,400 | Sep 19, 2003 | — | — |
| Meckel #7442-435-36502 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,252 | Sep 19, 2003 | — | — |
| Canyon Ranch 104 #15S42-435-36496 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,500 | Sep 18, 2003 | — | — |
| Canyon Ranch 104 #11S42-435-36497 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,500 | Sep 18, 2003 | — | — |
| Nicks Gerald #642-435-36469 | R2Q Operating LLC only | Sutton, TXDenison (Strawn) | ActiveGas | 9,250 | Sep 15, 2003 | — | — |
| Mayer 7 #242-435-36494 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,615 | Sep 15, 2003 | — | — |
| Mitchell Tom 1 #742-435-36495 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,450 | Sep 15, 2003 | — | — |
| Pfluger 104 #942-435-34660 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,319 | Sep 12, 2003 | — | — |
| Tom Mitchell 1 #642-435-36492 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 8,850 | Sep 11, 2003 | — | — |
| Mayer 3C #2242-435-36493 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,650 | Sep 11, 2003 | — | — |
| Mayfield 33 #942-435-36490 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,769 | Sep 10, 2003 | — | — |
| Mayer #60442-435-36491 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,550 | Sep 10, 2003 | — | — |
| Dunbar Ned #5__42-435-30117 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TXSawyer (Strawn, North) | Plugged | 7,100 | Sep 9, 2003 | — | — |
| Wilson Duke State 152 #242-435-36489 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,926 | Sep 9, 2003 | — | — |
| Davis G.H. #742-435-34035 | Upp Operating LLC only | Sutton, TXSteen (Wolfcamp) | ActiveGas | 5,950 | Sep 8, 2003 | — | — |
| Meckel a #6742-435-36487 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,405 | Sep 8, 2003 | — | — |
| Mayfield 32 #542-435-36488 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,718 | Sep 8, 2003 | — | — |
| Meckel a #6542-435-36485 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | Temporarily abandonedGas | 6,530 | Aug 29, 2003 | — | — |
| Meckel a #6642-435-36486 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | Temporarily abandonedGas | 6,325 | Aug 29, 2003 | — | — |
| Sawyer-Jones #130142-435-36483 | Henry Petroleum LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,550 | Aug 28, 2003 | — | — |
| Sawyer-Jones #160142-435-36484 | Henry Petroleum LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,500 | Aug 28, 2003 | — | — |
| Sawyer-Jones #190442-435-36481 | Great Western Drilling Company only | Sutton, TXSawyer (Canyon) | PluggedGas | 9,000 | Aug 25, 2003 | — | — |
| Glasscock Lillian Bell #310742-435-36482 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,560 | Aug 25, 2003 | — | — |
| Allison B #342-435-34886 | A&r Disposal Operating Co. LLC only | Sutton, TXSonora SE. (Canyon Reef) | PluggedGas | 6,700 | Aug 22, 2003 | — | — |
| Meckel a #63__42-435-36478 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Plugged | 6,500 | Aug 21, 2003 | — | — |
| Steen #71__42-435-36479 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Plugged | 6,100 | Aug 21, 2003 | — | — |
| Mayer 15 #842-435-36475 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,310 | Aug 20, 2003 | — | — |
| Mayer #60242-435-36476 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,500 | Aug 20, 2003 | — | — |
| Mayer Edwin S. Jr. D #40242-435-36477 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,370 | Aug 20, 2003 | — | — |
| Davis C #4242-435-36473 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,069 | Aug 15, 2003 | — | — |
| Martin #2842-435-36474 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,301 | Aug 15, 2003 | — | — |
| Aldwell Brothers 15 #342-435-36472 | Henry Petroleum LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,700 | Aug 14, 2003 | — | — |
| Mayer Minnie H. D-38 #142-435-36465 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,115 | Aug 11, 2003 | — | — |