| Morris Bros. Ranch K 126 #242-435-38478 | Upp Operating LLC only | Sutton, TXWhitehead (Strawn) | ActiveGas | 9,499 | May 3, 2007 | — | — |
| Wilson Duke 188 #2342-435-38480 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,452 | May 3, 2007 | — | — |
| Aldwell Winnie R. Trust #2042-435-38398 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,770 | May 2, 2007 | — | — |
| Wilson Duke 189 #1642-435-38479 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 9,000 | May 1, 2007 | — | — |
| Wilson Duke 172 #1842-435-38481 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 8,707 | May 1, 2007 | — | — |
| Kelly 35 #1442-435-38465 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,975 | Apr 30, 2007 | — | — |
| Simmons 72 #1142-435-38464 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,050 | Apr 24, 2007 | — | — |
| Canyon Ranch #916S42-435-38463 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 7,200 | Apr 19, 2007 | — | — |
| Hill-Mayer Edwin S. Jr. #s 642-435-38442 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,094 | Apr 18, 2007 | — | — |
| Shurley 142 #3242-435-38448 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,125 | Apr 18, 2007 | — | — |
| Shurley 142 #2942-435-38452 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,875 | Apr 18, 2007 | — | — |
| Shurley 142 #2842-435-38453 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,067 | Apr 18, 2007 | — | — |
| Shurley 142 #2742-435-38454 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,075 | Apr 18, 2007 | — | — |
| Shurley 142 #3042-435-38455 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,935 | Apr 18, 2007 | — | — |
| Shurley 142 #3142-435-38456 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,071 | Apr 18, 2007 | — | — |
| Shurley 142 #2642-435-38457 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,083 | Apr 18, 2007 | — | — |
| Simmons 3 #742-435-38460 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,002 | Apr 18, 2007 | — | — |
| Simmons 3 #642-435-38461 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,000 | Apr 18, 2007 | — | — |
| Mayer Edwin S. Jr. S #842-435-38462 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,250 | Apr 18, 2007 | — | — |
| Canyon Ranch 113 #10S42-435-38382 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,719 | Apr 16, 2007 | — | — |
| Mayer Ranch 35 #542-435-38439 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,250 | Apr 16, 2007 | — | — |
| Mayer Ranch 35 #342-435-38440 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,500 | Apr 16, 2007 | — | — |
| Mayer Ranch 35 #442-435-38441 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,400 | Apr 16, 2007 | — | — |
| Sawyer-Jones 190 #1042-435-38446 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 9,000 | Apr 16, 2007 | — | — |
| Mayer Edwin S. Jr. #2942-435-38437 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 7,592 | Apr 14, 2007 | — | — |
| Mayer Ranch D #642-435-38445 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,021 | Apr 14, 2007 | — | — |
| Canyon Ranch #9216S42-435-38420 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,917 | Apr 11, 2007 | — | — |
| Shurley RR 4D #442-435-38423 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,103 | Apr 11, 2007 | — | — |
| Hill-Mayer Edwin S Jr. D #6__42-435-38407 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Plugged | 8,450 | Apr 10, 2007 | — | — |
| Canyon Ranch #8310X42-435-38424 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 7,200 | Apr 10, 2007 | — | — |
| Canyon Ranch #914S42-435-38425 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 7,013 | Apr 10, 2007 | — | — |
| Shurley RR 4D #342-435-38426 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,243 | Apr 10, 2007 | — | — |
| Hicks 23 #1642-435-38414 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,716 | Apr 6, 2007 | — | — |
| Duke Wilson 187 #1942-435-38416 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Plugged | 9,350 | Apr 6, 2007 | — | — |
| Mayer Minnie H. D #30542-435-38406 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,235 | Apr 5, 2007 | — | — |
| Hill-Mayer Edwin S. Jr. D #742-435-38408 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,150 | Apr 5, 2007 | — | — |
| Hill-Mayer Edwin S. Jr. V #642-435-38409 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,258 | Apr 5, 2007 | — | — |
| Hill-Mayer Edwin S. Jr. V #742-435-38410 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,260 | Apr 5, 2007 | — | — |
| Hicks 23 #1542-435-38415 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,800 | Apr 5, 2007 | — | — |
| Canyon Ranch #1068X42-435-38417 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,903 | Apr 5, 2007 | — | — |
| Canyon Ranch #839X42-435-38418 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,865 | Apr 5, 2007 | — | — |
| Canyon Ranch #9217S42-435-38419 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,888 | Apr 5, 2007 | — | — |
| Canyon Ranch #912S42-435-38411 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 7,200 | Apr 4, 2007 | — | — |
| Mayer 15 #1942-435-38402 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,210 | Apr 3, 2007 | — | — |
| Mayer 15 #2142-435-38403 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,529 | Apr 3, 2007 | — | — |
| Mayer 15 #2042-435-38404 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,285 | Apr 3, 2007 | — | — |
| Canyon Ranch #918S42-435-38412 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,008 | Apr 3, 2007 | — | — |
| Canyon Ranch #917S42-435-38413 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,994 | Apr 3, 2007 | — | — |
| Mayer Minnie H. KK 34 #342-435-38400 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,251 | Apr 2, 2007 | — | — |
| Mayer Minnie H. D. 38 #342-435-38401 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,250 | Apr 2, 2007 | — | — |