| Fish #20342-137-32073 | Upp Operating LLC | Edwards, TXSawyer (Canyon) | ActiveGas | 4,221 | Mar 18, 2010 | — | — |
| Roden Unit #2HHZ42-251-33937 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,833 | Mar 18, 2010 | — | — |
| Core Lab #10HHZ42-251-33938 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,583 | Mar 18, 2010 | — | — |
| Roden Unit #3HHZ42-251-33939 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,907 | Mar 18, 2010 | — | — |
| Roden Unit #4HHZ42-251-33940 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,852 | Mar 18, 2010 | — | — |
| Mayer Edwin S. Jr. N #1942-413-32636 | Upp Operating LLC | Schleicher, TXSawyer (Canyon) | ActiveGas | 8,485 | Mar 18, 2010 | — | — |
| Rice Loh a Unit #7HHZ42-439-34938 | Upp Operating LLC | Tarrant, TXNewark East (Barnett Shale) | ActiveGas | 8,597 | Mar 18, 2010 | — | — |
| Pantego B Unit #5HHZ42-439-34935 | Upp Operating LLC | Tarrant, TXNewark East (Barnett Shale) | ActiveGas | 8,422 | Mar 17, 2010 | — | — |
| Pantego B Unit #6HHZ42-439-34936 | Upp Operating LLC | Tarrant, TXNewark East (Barnett Shale) | ActiveGas | 8,425 | Mar 17, 2010 | — | — |
| Pantego B Unit #8HHZ42-439-34937 | Upp Operating LLC | Tarrant, TXNewark East (Barnett Shale) | ActiveGas | 8,403 | Mar 17, 2010 | — | — |
| Canyon Ranch 107 #21E42-137-32071 | Upp Operating LLC | Edwards, TXSawyer (Canyon) | Temporarily abandonedGas | 6,800 | Mar 10, 2010 | — | — |
| Fowler Unit #10HHZ42-251-33903 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 7,793 | Mar 10, 2010 | — | — |
| Hill-Mayer YY #242-413-32635 | Upp Operating LLC | Schleicher, TXSawyer (Strawn North) | ActiveGas | 8,701 | Mar 10, 2010 | — | — |
| Cusenbary 58 #1342-435-39269 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,011 | Mar 10, 2010 | — | — |
| Lonestar Unit #5HHZ42-439-34919 | Upp Operating LLC | Tarrant, TXNewark East (Barnett Shale) | ActiveGas | 8,563 | Mar 10, 2010 | — | — |
| Lonestar Unit #1HHZ42-439-34912 | Upp Operating LLC | Tarrant, TXNewark East (Barnett Shale) | ActiveGas | 8,559 | Mar 9, 2010 | — | — |
| Lonestar Unit #2HHZ42-439-34915 | Upp Operating LLC | Tarrant, TXNewark East (Barnett Shale) | ActiveGas | 8,542 | Mar 9, 2010 | — | — |
| Lonestar Unit #3HHZ42-439-34917 | Upp Operating LLC | Tarrant, TXNewark East (Barnett Shale) | ActiveGas | 8,597 | Mar 9, 2010 | — | — |
| Lonestar Unit #4HHZ42-439-34918 | Upp Operating LLC | Tarrant, TXNewark East (Barnett Shale) | ActiveGas | 8,541 | Mar 9, 2010 | — | — |
| Hoffman Unit #3HHZ42-251-33927 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 6,859 | Mar 5, 2010 | — | — |
| Canyon Ranch 110 #6E42-137-32069 | Upp Operating LLC | Edwards, TXSawyer (Canyon) | Temporarily abandonedGas | 7,200 | Mar 4, 2010 | — | — |
| Hill-Rousselot B #342-413-32634 | Upp Operating LLC | Schleicher, TXSawyer (Strawn North) | ActiveGas | 8,514 | Mar 4, 2010 | — | — |
| Cusenbary W. R. 39 #642-435-39268 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,015 | Mar 4, 2010 | — | — |
| Reinhardt 6 #1242-435-36756 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 8,280 | Mar 1, 2010 | — | — |
| Buffalo Unit #2HHZ42-439-34875 | Upp Operating LLC | Tarrant, TXNewark East (Barnett Shale) | PluggedGas | 9,000 | Mar 1, 2010 | — | — |
| Buffalo Unit #3HHZ42-439-34876 | Upp Operating LLC | Tarrant, TXNewark East (Barnett Shale) | PluggedGas | 9,000 | Mar 1, 2010 | — | — |
| Mayfield SB #2942-137-32050 | Upp Operating LLC | Edwards, TXSawyer (Canyon) | ActiveGas | 5,013 | Feb 24, 2010 | — | — |
| Mitchell #10942-137-32065 | Upp Operating LLC | Edwards, TXSawyer (Canyon) | ActiveGas | 4,202 | Feb 24, 2010 | — | — |
| Hough 12 #342-137-32066 | Upp Operating LLC | Edwards, TXSawyer (Canyon) | ActiveGas | 5,211 | Feb 24, 2010 | — | — |
| Bontke Unit #4HHZ42-139-30588 | Upp Operating LLC | Ellis, TXNewark East (Barnett Shale) | ActiveGas | 8,499 | Feb 24, 2010 | — | — |
| Bontke Unit #6HHZ42-139-30589 | Upp Operating LLC | Ellis, TXNewark East (Barnett Shale) | ActiveGas | 8,443 | Feb 24, 2010 | — | — |
| Beckham Unit #10HHZ42-251-33917 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 8,077 | Feb 24, 2010 | — | — |
| Beckham Unit #11HHZ42-251-33918 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 7,902 | Feb 24, 2010 | — | — |
| Hadley Unit #2HHZ42-251-33914 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 7,171 | Feb 23, 2010 | — | — |
| Hadley Unit #3HHZ42-251-33915 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 7,251 | Feb 23, 2010 | — | — |
| Jeffers AR #1042-413-32627 | Upp Operating LLC | Schleicher, TXSawyer (Strawn North) | ActiveGas | 8,503 | Feb 22, 2010 | — | — |
| Fowler Unit #8HHZ42-251-33907 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 7,771 | Feb 19, 2010 | — | — |
| Flores Unit #3HHZ42-251-33908 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 7,626 | Feb 19, 2010 | — | — |
| Fowler Unit #11HHZ42-251-33909 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 7,917 | Feb 19, 2010 | — | — |
| Fowler Unit #12HHZ42-251-33910 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 7,894 | Feb 19, 2010 | — | — |
| Fowler Unit #13HHZ42-251-33911 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 7,731 | Feb 19, 2010 | — | — |
| Smith #1HHZ42-497-36995 | Upp Operating LLC | Wise, TXNewark East (Barnett Shale) | ActiveGas | 6,885 | Feb 19, 2010 | — | — |
| Canyon Ranch 110 #5E42-137-32062 | Upp Operating LLC | Edwards, TXSawyer (Canyon) | ActiveGas | 6,521 | Feb 12, 2010 | — | — |
| Rice Loh a Unit #5HHZ42-439-34825 | Upp Operating LLC | Tarrant, TXNewark East (Barnett Shale) | Temporarily abandonedGas | 8,558 | Feb 12, 2010 | — | — |
| Fowler Unit #7HHZ42-251-33899 | Upp Operating LLC | Johnson, TXNewark East (Barnett Shale) | ActiveGas | 7,956 | Feb 10, 2010 | — | — |
| Canyon Ranch 207 #27S42-435-39266 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,600 | Feb 10, 2010 | — | — |
| Pantego a Unit #3HHZ42-439-34823 | Upp Operating LLC | Tarrant, TXNewark East (Barnett Shale) | ActiveGas | 8,494 | Feb 10, 2010 | — | — |
| Pantego a Unit #7HHZ42-439-34824 | Upp Operating LLC | Tarrant, TXNewark East (Barnett Shale) | ActiveGas | 8,424 | Feb 10, 2010 | — | — |
| Shurley 36 #1242-435-39254 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 7,019 | Feb 9, 2010 | — | — |
| Jones Ranch #186942-435-39265 | Upp Operating LLC | Sutton, TXEldorado Southwest (Strawn) | ActiveGas | 8,197 | Feb 9, 2010 | — | — |