| Thompson #1HHZ42-251-31259 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | PluggedGas | 8,800 | Oct 12, 2006 | — | — |
| University 54-17 #342-413-32411 | Upp Operating LLC | Schleicher, TXOzona NE. (Canyon 7520) | ActiveGas | 8,400 | Oct 12, 2006 | — | — |
| Vanderstucken Joe M #1442-435-38179 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 8,700 | Oct 12, 2006 | — | — |
| Vanderstucken Joe M #1342-435-38180 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,650 | Oct 12, 2006 | — | — |
| Sprimont #3HHZ42-251-31250 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 8,151 | Oct 10, 2006 | — | — |
| Whitehead 2 #442-435-38176 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 9,000 | Oct 10, 2006 | — | — |
| Whitehead 2 #542-435-38177 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 9,000 | Oct 10, 2006 | — | — |
| Trulove #4 HHZ42-251-31234 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 8,230 | Oct 6, 2006 | — | — |
| Trulove #5HHZ42-251-31235 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 8,201 | Oct 6, 2006 | — | — |
| Teich Henry #3HHZ42-251-31237 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,604 | Oct 6, 2006 | — | — |
| Trulove #2HHZ42-251-31240 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 8,321 | Oct 6, 2006 | — | — |
| Trulove #3HHZ42-251-31241 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 8,255 | Oct 6, 2006 | — | — |
| KTV Caddo #2 HHZ42-251-31244 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,938 | Oct 6, 2006 | — | — |
| Mayer #5642-435-38175 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,312 | Oct 6, 2006 | — | — |
| Hardcastle #8HHZ42-251-31229 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,565 | Oct 5, 2006 | — | — |
| Hardcastle #9HHZ42-251-31231 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,613 | Oct 5, 2006 | — | — |
| Hardcastle #10HHZ42-251-31233 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,659 | Oct 5, 2006 | — | — |
| Hill-Mayer ZZ #742-435-38169 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,057 | Oct 5, 2006 | — | — |
| Hardcastle #6 HHZ42-251-31221 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,504 | Oct 4, 2006 | — | — |
| Hardcastle #7 HHZ42-251-31222 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,596 | Oct 4, 2006 | — | — |
| Jeffers 18A #442-413-32408 | Upp Operating LLC | Schleicher, TXSawyer (Canyon) | ActiveGas | 8,750 | Oct 4, 2006 | — | — |
| Wilson Duke 176 #1842-435-38171 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,800 | Oct 4, 2006 | — | — |
| Wilson Duke 21 1/2 #842-435-38172 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 9,318 | Oct 4, 2006 | — | — |
| Mayer #5542-435-38173 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,350 | Oct 4, 2006 | — | — |
| Wilson Duke #186842-435-38174 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 9,300 | Oct 4, 2006 | — | — |
| Hunt 24 #1042-105-40127 | Upp Operating LLC | Crockett, TXSawyer (Canyon) | ActiveGas | 9,400 | Oct 3, 2006 | — | — |
| Decker #1HHZ42-251-31227 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | PluggedGas | 8,700 | Oct 2, 2006 | — | — |
| Friend Joe Estate #102842-105-40138 | Upp Operating LLC | Crockett, TXSawyer (Canyon) | ActiveGas | 9,400 | Sep 29, 2006 | — | — |
| Schultz a #3 HHZ42-251-31214 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,501 | Sep 29, 2006 | — | — |
| Friend Joe Estate #502742-435-38167 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 9,218 | Sep 29, 2006 | — | — |
| Double Diamond #6HHZ42-251-31206 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,601 | Sep 28, 2006 | — | — |
| U.S. Lime #10HHZ42-251-31208 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,291 | Sep 28, 2006 | — | — |
| Hardcastle #5 HHZ42-251-31218 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,601 | Sep 28, 2006 | — | — |
| Tolbert #1HHZ42-251-31219 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 8,140 | Sep 28, 2006 | — | — |
| Ward J. W. 118 #1242-435-38164 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 7,818 | Sep 28, 2006 | — | — |
| Wilson Duke #175242-435-38166 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,800 | Sep 28, 2006 | — | — |
| Mayer Edwin S. Jr #2642-435-38160 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,281 | Sep 27, 2006 | — | — |
| Holman A. D. #260342-435-38161 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,901 | Sep 27, 2006 | — | — |
| Genini #391342-435-38162 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 7,645 | Sep 27, 2006 | — | — |
| Cusenbary 58 #742-435-38165 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,965 | Sep 27, 2006 | — | — |
| Kemp D #1HHZ42-251-31215 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 7,936 | Sep 26, 2006 | — | — |
| Simmons Ranch #8042-435-38158 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,085 | Sep 26, 2006 | — | — |
| Shurley RR 1D #242-435-38159 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 7,096 | Sep 26, 2006 | — | — |
| Durbin #1 HHZ42-251-31205 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | Temporarily abandonedGas | 7,490 | Sep 22, 2006 | — | — |
| Jeffers 28A #342-413-32399 | Upp Operating LLC | Schleicher, TXSawyer (Canyon) | ActiveGas | 8,331 | Sep 22, 2006 | — | — |
| Genini #162242-435-38156 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 7,796 | Sep 22, 2006 | — | — |
| Hudspeth 1017 #242-435-38157 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,945 | Sep 22, 2006 | — | — |
| Kutner #2 HHZ42-139-30476 | Upp Operating LLC | Ellis, TXNewark East (Barnett Shale) | ActiveGas | 8,377 | Sep 21, 2006 | — | — |
| Whitehead 8 #542-435-38155 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,673 | Sep 21, 2006 | — | — |
| Flores #2HHZ42-251-31199 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 7,618 | Sep 20, 2006 | — | — |