| Epps H.C. #39 #1842-435-39322 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 7,000 | Oct 29, 2010 | — | — |
| Parmer 30 #642-413-32696 | Upp Operating LLC | Schleicher, TXOzona NE. (Canyon 7520) | ActiveGas | 8,110 | Oct 26, 2010 | — | — |
| Marigliano #160542-413-32698 | Upp Operating LLC | Schleicher, TXSawyer (Canyon) | ActiveGas | 8,345 | Oct 22, 2010 | — | — |
| Fawcett Randee Trust B #1042-435-37311 | Upp Operating LLC | Sutton, TXSawyer (Leonard) | ActiveGas | 8,668 | Oct 22, 2010 | — | — |
| Marigliano #250242-413-32697 | Upp Operating LLC | Schleicher, TXSawyer (Canyon) | ActiveGas | 8,585 | Oct 14, 2010 | — | — |
| Ward 127 #1842-435-37143 | Upp Operating LLC | Sutton, TXFawcett (Wolfcamp) | ActiveGas | 7,000 | Oct 14, 2010 | — | — |
| Mayer Ranch FF #300442-435-39339 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,317 | Oct 14, 2010 | — | — |
| Mayer Edwin S. Jr. D #40342-435-39335 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,450 | Oct 13, 2010 | — | — |
| Kelly 124 #3342-435-39334 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,785 | Oct 5, 2010 | — | — |
| Greenway Bell Psa #7HHZ42-251-34117 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,921 | Oct 1, 2010 | — | — |
| Kelly 126 #3042-435-39329 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,786 | Oct 1, 2010 | — | — |
| Simmons 3 #1342-435-39332 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 7,950 | Sep 30, 2010 | — | — |
| Cauthorn 86 #1242-435-39330 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,565 | Sep 29, 2010 | — | — |
| Wilson Duke 175 #442-435-39331 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,650 | Sep 29, 2010 | — | — |
| Rousselot Doris Mayer a #1942-413-32661 | Upp Operating LLC | Schleicher, TXFawcett (Wolfcamp) | Temporarily abandonedGas | 8,108 | Sep 27, 2010 | — | — |
| Kelly 115 #3342-435-39325 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,432 | Sep 27, 2010 | — | — |
| Shurley 142 #3342-435-39326 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,926 | Sep 27, 2010 | — | — |
| Marigliano #150142-413-32695 | Upp Operating LLC | Schleicher, TXSawyer (Leonard) | Temporarily abandonedGas | 6,407 | Sep 24, 2010 | — | — |
| Holman #261442-435-39323 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 7,118 | Sep 22, 2010 | — | — |
| Epps H.C. #39 #1942-435-39324 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 7,018 | Sep 22, 2010 | — | — |
| Ward 114 #2342-435-38982 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 7,900 | Sep 21, 2010 | — | — |
| Epps H.C. #39 #1742-435-39321 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 7,002 | Sep 20, 2010 | — | — |
| Greenway Unit #3HHZ42-251-34106 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,897 | Sep 16, 2010 | — | — |
| Greenway Unit #4HHZ42-251-34107 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,938 | Sep 16, 2010 | — | — |
| Greenway Unit #5HHZ42-251-34108 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,879 | Sep 16, 2010 | — | — |
| Canyon Ranch 112 #18E42-137-32090 | Upp Operating LLC | Edwards, TXSawyer (Canyon) | ActiveGas | 6,710 | Sep 15, 2010 | — | — |
| Canyon Ranch 106 #10X42-435-39319 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,726 | Sep 13, 2010 | — | — |
| Canyon Ranch 113 #18E42-137-32089 | Upp Operating LLC | Edwards, TXSawyer (Canyon) | ActiveGas | 6,601 | Sep 10, 2010 | — | — |
| Powell 7 #442-413-32656 | Upp Operating LLC | Schleicher, TXWildcat | Temporarily abandonedGas | 7,950 | Sep 10, 2010 | — | — |
| Meador 178 #1542-413-32691 | Upp Operating LLC | Schleicher, TXSawyer (Canyon) | Temporarily abandonedGas | 7,653 | Sep 10, 2010 | — | — |
| Meador 178 #1442-413-32692 | Upp Operating LLC | Schleicher, TXSawyer (Strawn North) | ActiveGas | 7,587 | Sep 10, 2010 | — | — |
| Beasley Unit #3HHZ42-251-34094 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | Temporarily abandonedGas | 6,721 | Sep 9, 2010 | — | — |
| Hicks 57 #142-435-31134 | Upp Operating LLC | Sutton, TXFawcett (Wolfcamp) | ActiveGas | 5,122 | Sep 9, 2010 | — | — |
| Canyon Ranch 106 #14E42-137-32087 | Upp Operating LLC | Edwards, TXSawyer (Canyon) | ActiveGas | 6,703 | Sep 7, 2010 | — | — |
| Marigliano #1703HHZ42-413-32687 | Upp Operating LLC | Schleicher, TXSawyer (Canyon) | ActiveGas | 7,308 | Sep 7, 2010 | — | — |
| Mayer Edwin S. Jr. 27 #142-413-32683 | Upp Operating LLC | Schleicher, TXSawyer (Strawn North) | ActiveGas | 8,500 | Sep 3, 2010 | — | — |
| Mayer Edwin S. Jr. 27 #742-413-32684 | Upp Operating LLC | Schleicher, TXSawyer (Canyon) | ActiveGas | 8,500 | Sep 3, 2010 | — | — |
| Mayer Edwin S. Jr. 27 #842-413-32685 | Upp Operating LLC | Schleicher, TXSawyer (Strawn North) | ActiveGas | 8,375 | Sep 3, 2010 | — | — |
| Mayer Edwin S Jr 27 #942-413-32686 | Upp Operating LLC | Schleicher, TXSawyer (Canyon) | ActiveGas | 8,501 | Sep 3, 2010 | — | — |
| Hollenbeck #157242-413-32688 | Upp Operating LLC | Schleicher, TXFawcett (Wolfcamp) | ActiveGas | 7,746 | Sep 3, 2010 | — | — |
| Mayer Ranch 41 #642-435-39306 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,758 | Sep 2, 2010 | — | — |
| University 55 1 #142-413-32680 | Upp Operating LLC | Schleicher, TXSawyer (Strawn North) | ActiveGas | 8,020 | Aug 30, 2010 | — | — |
| Ward Rip -E- #142-435-30881 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 7,200 | Aug 26, 2010 | — | — |
| Roten Unit #2HHZ42-251-30751 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 8,604 | Aug 25, 2010 | — | — |
| Ward R.C. #642-435-34254 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,222 | Aug 23, 2010 | — | — |
| Mayer Edwin S. Jr. 27 #642-413-32678 | Upp Operating LLC | Schleicher, TXSawyer (Strawn North) | ActiveGas | 8,662 | Aug 20, 2010 | — | — |
| Rice Loh B Unit #12HHZ42-439-35343 | Upp Operating LLC | Tarrant, TXNewark East (Barnett Shale) | ActiveGas | 8,719 | Aug 19, 2010 | — | — |
| Rice Loh B Unit #13HHZ42-439-35344 | Upp Operating LLC | Tarrant, TXNewark East (Barnett Shale) | ActiveGas | 8,687 | Aug 19, 2010 | — | — |
| Rice Loh B Unit #14HHZ42-439-35345 | Upp Operating LLC | Tarrant, TXNewark East (Barnett Shale) | Temporarily abandonedGas | 2,108 | Aug 19, 2010 | — | — |
| Wilson Duke 185 #1742-435-39312 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 9,100 | Aug 17, 2010 | — | — |