| Mayer Minnie H. D. 38 #442-435-38405 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,200 | Apr 2, 2007 | — | — |
| Deberry-Boyette Unit #1342-435-38399 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,631 | Mar 30, 2007 | — | — |
| Deberry a #9742-435-38391 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,700 | Mar 29, 2007 | — | — |
| Deberry a #9642-435-38392 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,694 | Mar 29, 2007 | — | — |
| Deberry a #9442-435-38393 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,724 | Mar 29, 2007 | — | — |
| Deberry a #9542-435-38394 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,753 | Mar 29, 2007 | — | — |
| Deberry a #9842-435-38395 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,576 | Mar 29, 2007 | — | — |
| Davis B #1242-435-38396 | Enervest Operating L.L.C. only | Sutton, TXSonora (Canyon Upper) | PluggedGas | 6,450 | Mar 29, 2007 | — | — |
| Mayer Edwin S. Jr. #60442-435-38397 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,260 | Mar 29, 2007 | — | — |
| Canyon Ranch 115 #21S42-435-38390 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,650 | Mar 28, 2007 | — | — |
| Wilson Duke 173 #1842-435-38385 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 9,100 | Mar 27, 2007 | — | — |
| Canyon Ranch 105 #16S42-435-38386 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,821 | Mar 27, 2007 | — | — |
| Canyon Ranch 105 #18S42-435-38387 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,909 | Mar 27, 2007 | — | — |
| Mayer Edwin S. Jr. S #742-435-38380 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,230 | Mar 26, 2007 | — | — |
| Rimel #842-435-38381 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,311 | Mar 26, 2007 | — | — |
| Canyon Ranch #1139S42-435-38383 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,808 | Mar 26, 2007 | — | — |
| Vanderstucken 52 #942-435-38384 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 6,200 | Mar 26, 2007 | — | — |
| Simmons Ranch #10642-435-38388 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,015 | Mar 26, 2007 | — | — |
| Simmons Ranch #10742-435-38389 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,026 | Mar 26, 2007 | — | — |
| Vandetstucken 53 #742-435-38376 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 6,200 | Mar 23, 2007 | — | — |
| Vanderstucken 71 #1742-435-38377 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 6,200 | Mar 23, 2007 | — | — |
| Vanderstucken 72 #1942-435-38379 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 6,200 | Mar 23, 2007 | — | — |
| Hicks 22 #2142-435-38368 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,736 | Mar 22, 2007 | — | — |
| Hicks 22 #2242-435-38369 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,728 | Mar 22, 2007 | — | — |
| Hicks 22 #2342-435-38370 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,731 | Mar 22, 2007 | — | — |
| Hicks 22 #2442-435-38371 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,785 | Mar 22, 2007 | — | — |
| Vanderstucken 72 #1842-435-38372 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 6,200 | Mar 22, 2007 | — | — |
| Vanderstucken 72 #2042-435-38373 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 6,200 | Mar 22, 2007 | — | — |
| Vanderstucken 51 #1142-435-38375 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 6,200 | Mar 22, 2007 | — | — |
| Vanderstucken 71 #1842-435-38378 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 6,200 | Mar 22, 2007 | — | — |
| Hicks 22 #2042-435-38367 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,950 | Mar 21, 2007 | — | — |
| Hicks 22 #1942-435-38374 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,758 | Mar 21, 2007 | — | — |
| Mayer Edwin S. Jr. #3042-435-38366 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 8,241 | Mar 20, 2007 | — | — |
| Hill-Mayer Edwin S. Jr. BB #542-435-38362 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,184 | Mar 19, 2007 | — | — |
| Simmons Ranch #11142-435-38365 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,899 | Mar 19, 2007 | — | — |
| Kelly 126 #2442-435-38355 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,600 | Mar 16, 2007 | — | — |
| Kelly 126 #2542-435-38356 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,841 | Mar 16, 2007 | — | — |
| Kelly 126 #2642-435-38357 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,671 | Mar 16, 2007 | — | — |
| Genini #312042-435-38338 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,985 | Mar 15, 2007 | — | — |
| Mayer Ranch J #90342-435-38354 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,100 | Mar 15, 2007 | — | — |
| Mayer Edwin S. Jr #60342-435-38364 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,230 | Mar 15, 2007 | — | — |
| Hill-Winnie R. Aldwell F #242-435-38363 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,750 | Mar 14, 2007 | — | — |
| Winnie R. Aldwell Trust K #842-435-38358 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,900 | Mar 13, 2007 | — | — |
| Mayer Edwin S. Jr. U #1342-435-38359 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,165 | Mar 13, 2007 | — | — |
| Mayer Edwin S. Jr. U #1442-435-38360 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,341 | Mar 13, 2007 | — | — |
| Hill-Winnie R. Aldwell G #342-435-38361 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,800 | Mar 13, 2007 | — | — |
| Kelly 126 #2342-435-38350 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,750 | Mar 12, 2007 | — | — |
| Simmons Ranch #11042-435-38342 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,176 | Mar 9, 2007 | — | — |
| Davis #30342-435-38352 | Range Production Companypermitted by · no operator of record | Sutton, TXSawyer (Canyon) | Plugged | 4,500 | Mar 9, 2007 | — | — |
| Davis #31242-435-38353 | Henry Petroleum LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 4,550 | Mar 9, 2007 | — | — |