| Steen #7042-435-36419 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 5,920 | Jul 2, 2003 | — | — |
| Meckel #7142-435-36420 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,016 | Jul 2, 2003 | — | — |
| Shannon 52 #1242-435-36409 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,251 | Jul 1, 2003 | — | — |
| Collier Shurley #1442-435-36410 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,150 | Jul 1, 2003 | — | — |
| Collier Shurley #1242-435-36411 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,155 | Jul 1, 2003 | — | — |
| Sawyer 167 #1242-435-36413 | Robert C. Brower LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 7,240 | Jul 1, 2003 | — | — |
| Shurley #9142-435-36404 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,150 | Jun 23, 2003 | — | — |
| Canyon Ranch #9315S42-435-36405 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,471 | Jun 23, 2003 | — | — |
| Canyon Ranch 115 #11S42-435-36406 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,350 | Jun 23, 2003 | — | — |
| Mayfield 33 #7__42-435-36407 | — | Sutton, TX | Plugged | 8,800 | Jun 23, 2003 | — | — |
| Mayfield 33 #842-435-36408 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,601 | Jun 23, 2003 | — | — |
| Collier Shurley #1042-435-36400 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,250 | Jun 20, 2003 | — | — |
| Meckel a #6242-435-36401 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,423 | Jun 20, 2003 | — | — |
| Davis C #4142-435-36402 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,100 | Jun 20, 2003 | — | — |
| Meckel #7242-435-36403 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,015 | Jun 20, 2003 | — | — |
| Simmons Ranch #6142-435-36396 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,150 | Jun 19, 2003 | — | — |
| Simmons Ranch #5642-435-36397 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,135 | Jun 19, 2003 | — | — |
| Simmons Ranch #2542-435-36398 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,349 | Jun 19, 2003 | — | — |
| Simmons Ranch #5142-435-36399 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 8,445 | Jun 19, 2003 | — | — |
| Lancaster 154 #442-435-36395 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,655 | Jun 18, 2003 | — | — |
| Mayer 20 #542-435-36387 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,751 | Jun 16, 2003 | — | — |
| Mayer 20 #642-435-36388 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,730 | Jun 16, 2003 | — | — |
| Shurley #9942-435-36389 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,300 | Jun 16, 2003 | — | — |
| Collier Shurley #1342-435-36390 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,200 | Jun 16, 2003 | — | — |
| Kirby 1 #1142-435-36391 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,000 | Jun 16, 2003 | — | — |
| Kirby 1 #1242-435-36392 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,150 | Jun 16, 2003 | — | — |
| Kirby 2 #642-435-36393 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 7,750 | Jun 16, 2003 | — | — |
| Cusenbary 60 #342-435-36394 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,776 | Jun 16, 2003 | — | — |
| Canyon Ranch 104 #13S42-435-36380 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,420 | Jun 12, 2003 | — | — |
| Canyon Ranch 104 #18S42-435-36381 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,359 | Jun 12, 2003 | — | — |
| Canyon Ranch 106 #10S42-435-36382 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,415 | Jun 12, 2003 | — | — |
| Hudspeth 51 #342-435-36383 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,525 | Jun 12, 2003 | — | — |
| Hudspeth 53 #842-435-36384 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,900 | Jun 12, 2003 | — | — |
| Hudspeth H #842-435-36385 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,850 | Jun 12, 2003 | — | — |
| Davis a #1342-435-36386 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,065 | Jun 12, 2003 | — | — |
| Cauthorn 27 #7X42-435-36379 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,592 | Jun 11, 2003 | — | — |
| Shurley #9242-435-36371 | — | Sutton, TX | Plugged | 6,350 | Jun 9, 2003 | — | — |
| Shurley #8942-435-36372 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,350 | Jun 9, 2003 | — | — |
| Shurley #10442-435-36373 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,350 | Jun 9, 2003 | — | — |
| Collier Shurley #1542-435-36374 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,347 | Jun 9, 2003 | — | — |
| Collier Shurley #1642-435-36375 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,300 | Jun 9, 2003 | — | — |
| Meckel a #6142-435-36376 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,572 | Jun 9, 2003 | — | — |
| Thompson Heirs #442-435-34036 | Scout Energy Management LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 5,700 | Jun 5, 2003 | — | — |
| Thomson #942-435-36369 | — | Sutton, TX | Plugged | 6,100 | Jun 5, 2003 | — | — |
| Jones 118 #2042-435-36370 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,656 | Jun 5, 2003 | — | — |
| Mayfield 32 #442-435-36366 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,827 | Jun 4, 2003 | — | — |
| Mayfield 32 #642-435-36367 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,712 | Jun 4, 2003 | — | — |
| Mayfield 33 #542-435-36368 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,778 | Jun 4, 2003 | — | — |
| McDermott #742-435-36365 | Grace Petroleum Operating LLC | Sutton, TXBranch North (Ellen.) | ActiveGas | 6,005 | Jun 3, 2003 | — | — |
| Estes Kay #8__42-435-36364 | — | Sutton, TXM. M. W. (Canyon) | Plugged | 3,700 | May 30, 2003 | — | — |