| Cusenbary 58 #1742-435-39302 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,122 | Jun 25, 2010 | — | — |
| Mayer Ranch 36 #842-435-39297 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,700 | Jun 23, 2010 | — | — |
| Cusenbary 58 #1642-435-39301 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,100 | Jun 23, 2010 | — | — |
| Canyon Ranch #602S42-435-39300 | Highmount Expl & Prod Texas LLCpermitted by · no operator of record | Sutton, TXSawyer (Canyon) | Not on schedule | 6,200 | Jun 9, 2010 | — | — |
| Aldwell Ranch Field #139B42-435-39280 | Lively Exploration Companypermitted by · no operator of record | Sutton, TXSawyer (Canyon) | Not on schedule | 7,800 | Jun 8, 2010 | — | — |
| Mayer Ranch 36 #142-435-38641 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,560 | Jun 4, 2010 | — | — |
| Becker #30142-435-39299 | Highmount Expl & Prod Texas LLCpermitted by · no operator of record | Sutton, TXSawyer (Canyon) | Not on schedule | 9,350 | Jun 4, 2010 | — | — |
| Becker #30342-435-39298 | Highmount Expl & Prod Texas LLCpermitted by · no operator of record | Sutton, TXSawyer (Canyon) | Not on schedule | 9,350 | Jun 3, 2010 | — | — |
| Mayer Edwin S. Jr. #80342-435-34920 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,200 | Jun 2, 2010 | — | — |
| Hill-Mayer Edwin S. Jr B #742-435-38900 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,050 | May 28, 2010 | — | — |
| Johnson JO Nell 18 #742-435-39294 | Upp Operating LLC only | Sutton, TXJO Nell (Canyon D) | ActiveGas | 9,300 | May 25, 2010 | — | — |
| Mayer Ranch 40 #742-435-39295 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,600 | May 25, 2010 | — | — |
| Aldwell Ranch Field #145B42-435-39281 | Lively Exploration Companypermitted by · no operator of record | Sutton, TXSawyer (Canyon) | Not on schedule | 8,000 | May 21, 2010 | — | — |
| Aldwell Ranch Field #143B42-435-39291 | Lively Exploration Companypermitted by · no operator of record | Sutton, TXSawyer (Canyon) | Not on schedule | 8,000 | May 21, 2010 | — | — |
| Canyon Ranch #1069X42-435-39296 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,812 | May 21, 2010 | — | — |
| Mayer Ranch QQQ #15342-435-33399 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,237 | May 19, 2010 | — | — |
| Mayer Minnie H. B #10342-435-35111 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,250 | May 18, 2010 | — | — |
| Mayer Ranch 36 #342-435-38753 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,509 | May 13, 2010 | — | — |
| Wilson Duke #177942-435-39293 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 9,300 | May 13, 2010 | — | — |
| Wilson Duke #161842-435-39292 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 9,000 | May 12, 2010 | — | — |
| Aldwell Ranch Field #132B42-435-39290 | Lively Exploration Companypermitted by · no operator of record | Sutton, TXSawyer (Canyon) | Not on schedule | 8,000 | May 10, 2010 | — | — |
| Mayer Ranch 41 #542-435-39289 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,698 | May 5, 2010 | — | — |
| Epps H. C. 38 #1442-435-39287 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,005 | Apr 27, 2010 | — | — |
| Epps H. C. 38 #1542-435-39288 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,312 | Apr 27, 2010 | — | — |
| Epps H. C. #39 #1542-435-39284 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,900 | Apr 26, 2010 | — | — |
| Mayer Ranch 41 #842-435-39286 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,652 | Apr 26, 2010 | — | — |
| Ward R.C. #342-435-34198 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,240 | Apr 23, 2010 | — | — |
| Diebitsch 70 #1942-435-39282 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,100 | Apr 23, 2010 | — | — |
| Epps H. C. 38 #1342-435-39285 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,803 | Apr 23, 2010 | — | — |
| Ward J.W. 118 #1442-435-36750 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 7,556 | Apr 21, 2010 | — | — |
| Cusenbary W R 39 #842-435-39283 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,026 | Apr 21, 2010 | — | — |
| Diebitsch 70 #1842-435-39279 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,164 | Apr 16, 2010 | — | — |
| Shannon 52 #2442-435-39278 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,150 | Apr 14, 2010 | — | — |
| Mayer Edwin S. Jr. B 38 #942-435-39276 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,800 | Apr 9, 2010 | — | — |
| Shannon 52 #2542-435-39277 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,200 | Apr 9, 2010 | — | — |
| Randee Fawcett Trust #2242-435-39275 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,900 | Apr 8, 2010 | — | — |
| Aldwell Ranch Field #134B42-435-39273 | Lively Exploration Companypermitted by · no operator of record | Sutton, TXSawyer (Canyon) | Not on schedule | 8,000 | Mar 30, 2010 | — | — |
| Aldwell Ranch Field #141B42-435-39274 | Lively Exploration Companypermitted by · no operator of record | Sutton, TXSawyer (Canyon) | Not on schedule | 8,000 | Mar 30, 2010 | — | — |
| Mayer Edwin S. Jr. #142-435-30305 | Highmount Expl & Prod Texas LLC only | Sutton, TXSawyer (Canyon) | PluggedGas | 8,300 | Mar 25, 2010 | — | — |
| Mayer Edwin S. Jr. B 38 #7__42-435-39270 | Highmount Expl & Prod Texas LLCpermitted by · no operator of record | Sutton, TX | Plugged | 8,950 | Mar 25, 2010 | — | — |
| Cusenbary 58 #1242-435-39272 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,002 | Mar 25, 2010 | — | — |
| Mayer Edwin S. Jr. #130342-435-37618 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,022 | Mar 24, 2010 | — | — |
| Nicks Gerald 5 #1342-435-39271 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,668 | Mar 24, 2010 | — | — |
| Cusenbary 58 #1342-435-39269 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,011 | Mar 10, 2010 | — | — |
| Cusenbary W.R. B #342-435-39267 | Highmount Expl & Prod Texas LLCpermitted by · no operator of record | Sutton, TXSawyer (Canyon) | Not on schedule | 6,000 | Mar 4, 2010 | — | — |
| Cusenbary W. R. 39 #642-435-39268 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,015 | Mar 4, 2010 | — | — |
| Reinhardt 6 #1242-435-36756 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 8,280 | Mar 1, 2010 | — | — |
| Canyon Ranch 207 #27S42-435-39266 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,600 | Feb 10, 2010 | — | — |
| Shurley 36 #1242-435-39254 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,019 | Feb 9, 2010 | — | — |
| Jones Ranch #186942-435-39265 | Upp Operating LLC only | Sutton, TXEldorado Southwest (Strawn) | ActiveGas | 8,197 | Feb 9, 2010 | — | — |