| Mayer 47 #742-435-36466 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,200 | Aug 11, 2003 | — | — |
| Genini #311442-435-36462 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,021 | Aug 8, 2003 | — | — |
| Genini #311342-435-36463 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,000 | Aug 8, 2003 | — | — |
| Cauthorn Mack 129 #1042-435-36464 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,117 | Aug 8, 2003 | — | — |
| Mayer 37 #942-435-36460 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,208 | Aug 7, 2003 | — | — |
| Mayer 37 #642-435-36461 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,250 | Aug 7, 2003 | — | — |
| Vanderstucken 69 #542-435-36455 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,200 | Aug 6, 2003 | — | — |
| Vanderstucken 69 #642-435-36456 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,200 | Aug 6, 2003 | — | — |
| Vanderstucken 69 #842-435-36457 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,200 | Aug 6, 2003 | — | — |
| Mayfield 33 #7X42-435-36458 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,550 | Aug 6, 2003 | — | — |
| Mayer 37 #742-435-36459 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,350 | Aug 6, 2003 | — | — |
| Martin #26__42-435-36454 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Plugged | 1,245 | Aug 1, 2003 | — | — |
| Shurley #92X42-435-36453 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,400 | Jul 31, 2003 | — | — |
| Aldwell Winnie R. Trust #1042-435-36451 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,642 | Jul 30, 2003 | — | — |
| Aldwell Winnie R. Trust #942-435-36452 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,550 | Jul 30, 2003 | — | — |
| Mayer 20 #342-435-36377 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,650 | Jul 25, 2003 | — | — |
| Mayer 20 #442-435-36378 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,727 | Jul 25, 2003 | — | — |
| Mayer 3C #1842-435-36448 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,800 | Jul 25, 2003 | — | — |
| Mayer 3C #2042-435-36449 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,725 | Jul 25, 2003 | — | — |
| Mayer 3C #2342-435-36445 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,750 | Jul 24, 2003 | — | — |
| Mayer 3C #1942-435-36446 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,714 | Jul 24, 2003 | — | — |
| Shurley #10042-435-36447 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,250 | Jul 24, 2003 | — | — |
| Simmons Ranch #4842-435-36444 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 8,242 | Jul 22, 2003 | — | — |
| Meckel #7342-435-36439 | Dominion Oklahoma Texas E&P, Incpermitted by · no operator of record | Sutton, TX | Plugged | 6,000 | Jul 21, 2003 | — | — |
| Thomson C #1142-435-36440 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 5,604 | Jul 21, 2003 | — | — |
| Cusenbary 58 #442-435-36441 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,012 | Jul 21, 2003 | — | — |
| Steen #7242-435-36442 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | Temporarily abandonedGas | 6,113 | Jul 21, 2003 | — | — |
| Thomson #1042-435-36443 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,019 | Jul 21, 2003 | — | — |
| Davis N.B. #1542-435-36438 | Henry Petroleum LLC only | Sutton, TXMiers (Stray) | Temporarily abandonedGas | 4,480 | Jul 17, 2003 | — | — |
| Meckel a #6442-435-36435 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,425 | Jul 16, 2003 | — | — |
| Martin #2742-435-36436 | Upp Operating LLC only | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,300 | Jul 16, 2003 | — | — |
| Simmons 71 #442-435-36437 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,008 | Jul 16, 2003 | — | — |
| Shurley #10142-435-36433 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,250 | Jul 15, 2003 | — | — |
| Aldwell Winnie Trust K #242-435-36434 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,850 | Jul 15, 2003 | — | — |
| Shurley #8742-435-36432 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,200 | Jul 14, 2003 | — | — |
| Fbe 13-11 #1142-435-36414 | Henry Petroleum LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,172 | Jul 10, 2003 | — | — |
| Fbe 13-12 #131242-435-36416 | Shaida John H. only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,994 | Jul 10, 2003 | — | — |
| Fbe 14-11 #141142-435-36417 | Falcon Bay Energy, L.L.Cpermitted by · no operator of record | Sutton, TXAldwell Ranch (Canyon) | Not on schedule | 8,500 | Jul 10, 2003 | — | — |
| Fbe 17-5 #170542-435-36418 | Henry Petroleum LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,010 | Jul 10, 2003 | — | — |
| Mayer #50542-435-36428 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,611 | Jul 10, 2003 | — | — |
| Mayer #60542-435-36429 | Upp Operating LLC only | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,650 | Jul 10, 2003 | — | — |
| Wilson Duke 186 #6X42-435-36430 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,757 | Jul 10, 2003 | — | — |
| Jones 121 #1742-435-36431 | Robert C. Brower LLC only | Sutton, TXSawyer (Strawn North) | Shut inGas | 8,001 | Jul 10, 2003 | — | — |
| Lancaster 154 #342-435-36424 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 7,810 | Jul 9, 2003 | — | — |
| Diebitsch 70 #942-435-36426 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 8,032 | Jul 9, 2003 | — | — |
| Shurley #10342-435-36427 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 6,250 | Jul 9, 2003 | — | — |
| Fbe 22-12 #221242-435-36415 | Falcon Bay Energy, L.L.Cpermitted by · no operator of record | Sutton, TXAldwell Ranch (Canyon) | Not on schedule | 9,000 | Jul 8, 2003 | — | — |
| Canyon Ranch 104 #12S42-435-36421 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 5,400 | Jul 8, 2003 | — | — |
| Canyon Ranch #924S42-435-36422 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,400 | Jul 8, 2003 | — | — |
| Canyon Ranch 115 #15S42-435-36423 | Upp Operating LLC only | Sutton, TXSawyer (Canyon) | ActiveGas | 5,519 | Jul 8, 2003 | — | — |