| Lancaster 155 #442-435-38560 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 7,500 | Jun 18, 2007 | — | — |
| Lancaster 155 #642-435-38561 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,512 | Jun 18, 2007 | — | — |
| Lancaster 155 #542-435-38562 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 7,510 | Jun 18, 2007 | — | — |
| Lancaster 155 #142-435-38563 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 7,495 | Jun 18, 2007 | — | — |
| Lancaster 155 #342-435-38564 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,510 | Jun 18, 2007 | — | — |
| Hill-Mayer Edwin S. Jr. G #642-435-38534 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,179 | Jun 15, 2007 | — | — |
| Hill-Mayer Edwin S Jr. G #742-435-38535 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | Temporarily abandonedGas | 8,143 | Jun 15, 2007 | — | — |
| Mittel Ben #2242-435-38548 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 7,200 | Jun 15, 2007 | — | — |
| Mittel, Ben #2042-435-38549 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 6,750 | Jun 15, 2007 | — | — |
| Canyon Ranch #26S42-435-38550 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 4,756 | Jun 15, 2007 | — | — |
| Canyon Ranch #19S42-435-38551 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 4,750 | Jun 15, 2007 | — | — |
| Canyon Ranch #25S42-435-38552 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 4,756 | Jun 15, 2007 | — | — |
| Mittel #150242-435-38553 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | Temporarily abandonedGas | 6,574 | Jun 15, 2007 | — | — |
| Wilson Duke 174 #942-435-38555 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 9,312 | Jun 15, 2007 | — | — |
| Mittel #150342-435-38556 | Enervest Operating L.L.C. only | Sutton, TXSonora (Canyon Upper) | PluggedGas | 7,550 | Jun 15, 2007 | — | — |
| Mittel #150442-435-38557 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 7,204 | Jun 15, 2007 | — | — |
| Mittel Ben #1542-435-38558 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 7,334 | Jun 15, 2007 | — | — |
| Bowden #442-435-38559 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,800 | Jun 15, 2007 | — | — |
| Nicks, Gerald 7 #242-435-38565 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 8,850 | Jun 15, 2007 | — | — |
| Nicks Gerald 8 #142-435-38566 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,722 | Jun 15, 2007 | — | — |
| Nicks, Gerald 8 #242-435-38567 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 8,850 | Jun 15, 2007 | — | — |
| Mayer #5742-435-38536 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,458 | Jun 13, 2007 | — | — |
| Hill-Mayer ZZ #642-435-38537 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,025 | Jun 13, 2007 | — | — |
| Mayer 37 #1442-435-38538 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,200 | Jun 13, 2007 | — | — |
| Canyon Ranch #1135S42-435-38539 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,800 | Jun 13, 2007 | — | — |
| Mayer 37 #1342-435-38540 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,225 | Jun 13, 2007 | — | — |
| Mayer Ranch NNN 152 #242-435-38543 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,425 | Jun 13, 2007 | — | — |
| Mittel Ben #2142-435-38546 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 7,365 | Jun 13, 2007 | — | — |
| Mittel Ben #1942-435-38547 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,630 | Jun 13, 2007 | — | — |
| Shurley RR 7 #642-435-38515 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,975 | Jun 7, 2007 | — | — |
| Mayer Edwin S. Jr. #90342-435-38541 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,100 | Jun 7, 2007 | — | — |
| Canyon Ranch #1138S42-435-38519 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,910 | May 31, 2007 | — | — |
| Shannon 52 #2042-435-38533 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,085 | May 31, 2007 | — | — |
| Shurley 141 #2942-435-38447 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,943 | May 29, 2007 | — | — |
| Shurley 141 #2742-435-38449 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 7,100 | May 29, 2007 | — | — |
| Shurley 141 #2642-435-38450 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,100 | May 29, 2007 | — | — |
| Shurley 141 #2542-435-38451 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,082 | May 29, 2007 | — | — |
| Shurley 141 #2842-435-38458 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,329 | May 29, 2007 | — | — |
| Mayer Edwin S. Jr. 4 #542-435-38516 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,123 | May 25, 2007 | — | — |
| Shurley RR 6 #742-435-38520 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,265 | May 25, 2007 | — | — |
| Canyon Ranch 207 #12S42-435-38530 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,700 | May 25, 2007 | — | — |
| Canyon Ranch 207 #14S42-435-38526 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,004 | May 24, 2007 | — | — |
| Hill-Mayer Edwin S. Jr. DD #442-435-38527 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,174 | May 24, 2007 | — | — |
| Wilson Duke #401942-435-38531 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 9,109 | May 24, 2007 | — | — |
| Wilson Duke #401442-435-38532 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,700 | May 24, 2007 | — | — |
| Shurley RR 6 #842-435-38510 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,075 | May 23, 2007 | — | — |
| Shurley RR 7 #542-435-38513 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,132 | May 23, 2007 | — | — |
| Shurley RR 10 #442-435-38514 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,718 | May 23, 2007 | — | — |
| Canyon Ranch #1137S42-435-38517 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Not on schedule | 7,000 | May 23, 2007 | — | — |
| Shurley RR 6 #942-435-38521 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,100 | May 23, 2007 | — | — |