| Pfluger 86 #642-435-34910 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,450 | Jan 14, 1999 | — | — |
| Mayer Minnie H. KK #34242-435-34911 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,200 | Jan 14, 1999 | — | — |
| Canyon Ranch #1310S42-435-34912 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,350 | Jan 14, 1999 | — | — |
| Hill-Mayer Minnie H. C #442-435-34909 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,198 | Jan 4, 1999 | — | — |
| Canyon Ranch #0137S42-435-34906 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,500 | Dec 21, 1998 | — | — |
| Canyon Ranch #135S42-435-34907 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,400 | Dec 21, 1998 | — | — |
| Shannon 51 #742-435-34848 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 8,200 | Oct 21, 1998 | — | — |
| Keene, S. "157" #142-435-34904 | Enron Oil & Gas Company | Sutton, TXAldwell Ranch (Canyon) | Not on schedule | 9,000 | Oct 19, 1998 | — | — |
| Dunbar Ned #4142-435-34903 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,300 | Sep 16, 1998 | — | — |
| McMillan W. B. 10 #1042-435-34900 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,618 | Sep 11, 1998 | — | — |
| McMillan W. B. 10 #1142-435-34901 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,750 | Sep 11, 1998 | — | — |
| McMillan W. B. 10 #1242-435-34902 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,500 | Sep 11, 1998 | — | — |
| Mayer Ranch M #120342-435-34896 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,150 | Aug 31, 1998 | — | — |
| Hill-Mayer Edwin S. Jr. K #242-435-34894 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,010 | Aug 28, 1998 | — | — |
| Hill-Mayer Edwin S. Jr. Z #442-435-34893 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,050 | Aug 20, 1998 | — | — |
| Richardson 138 #942-435-34892 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,344 | Aug 19, 1998 | — | — |
| Canyon Ranch #8311S42-435-34888 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,500 | Aug 18, 1998 | — | — |
| Canyon Ranch #837S42-435-34889 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,500 | Aug 18, 1998 | — | — |
| Canyon Ranch #839S42-435-34890 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,500 | Aug 18, 1998 | — | — |
| Florence 27 #542-435-34874 | Toc Energy Resources LLC | Sutton, TXPhyllis Sonora (Canyon Lower) | ActiveGas | 5,869 | Jul 21, 1998 | — | — |
| Dunbar Ned #3242-435-34877 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,292 | Jul 14, 1998 | — | — |
| Dunbar Ned #3342-435-34878 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,319 | Jul 14, 1998 | — | — |
| Dunbar Ned #3442-435-34879 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,300 | Jul 14, 1998 | — | — |
| Dunbar Ned #3542-435-34880 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,325 | Jul 14, 1998 | — | — |
| Dunbar Ned #3642-435-34881 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,300 | Jul 14, 1998 | — | — |
| Dunbar Ned #3742-435-34882 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,311 | Jul 14, 1998 | — | — |
| Dunbar Ned #3842-435-34883 | Highmount Expl & Prod Texas LLC | Sutton, TXSawyer (Canyon) | PluggedGas | 7,000 | Jul 14, 1998 | — | — |
| Dunbar Ned #3942-435-34884 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,311 | Jul 14, 1998 | — | — |
| Dunbar Ned #4042-435-34885 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,309 | Jul 14, 1998 | — | — |
| `unt 36 #642-435-34876 | Toc Energy Resources LLC | Sutton, TXPhyllis Sonora (Canyon Lower) | ActiveGas | 5,909 | Jul 13, 1998 | — | — |
| Hunt 33 #642-435-34873 | Toc Energy Resources LLC | Sutton, TXPhyllis Sonora (Canyon Lower) | ActiveGas | 6,215 | Jul 10, 1998 | — | — |
| Aldwell-McPherson #142-435-34871 | Highmount Expl & Prod Texas LLC | Sutton, TXSawyer (Canyon) | PluggedGas | 8,800 | Jul 8, 1998 | — | — |
| Mayer Edwin S. Jr. S #442-435-34872 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 8,250 | Jul 6, 1998 | — | — |
| Hill Wess #742-435-33425 | Henry Petroleum LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,915 | Jul 1, 1998 | — | — |
| Mayer Edwin S. Jr. C #1342-435-34866 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,125 | Jun 30, 1998 | — | — |
| Mayer Edwin S. Jr. C #30342-435-34867 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,050 | Jun 30, 1998 | — | — |
| Mayer Edwin S. Jr. K #842-435-34868 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,150 | Jun 30, 1998 | — | — |
| Mayer Edwin S. Jr. K #742-435-34869 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,150 | Jun 30, 1998 | — | — |
| Mayer Edwin S. Jr. C #40242-435-34870 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,250 | Jun 30, 1998 | — | — |
| Mayer Ranch QQQ #153242-435-34861 | Dominion Oklahoma Texas E&P Inc | Sutton, TXSawyer (Canyon) | PluggedGas | 8,075 | Jun 29, 1998 | — | — |
| Mayer Minnie H. HH #3202__42-435-34862 | — | Sutton, TX | Plugged | 8,100 | Jun 29, 1998 | — | — |
| Mayer 49 #542-435-34863 | Dominion Oklahoma Texas E&P Inc | Sutton, TXSawyer (Canyon) | PluggedGas | 8,100 | Jun 29, 1998 | — | — |
| Mayer 49 #742-435-34864 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 7,898 | Jun 29, 1998 | — | — |
| Mayer 48 #342-435-34865 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,281 | Jun 29, 1998 | — | — |
| Genini #370542-435-34850 | Robert C. Brower LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,661 | Jun 26, 1998 | — | — |
| Young #681SHHZ42-435-34860 | Burlington Resources O & G Co LP | Sutton, TXWildcat | PluggedGas | 7,000 | Jun 24, 1998 | — | — |
| Pfluger 105 #1442-435-34851 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,545 | Jun 22, 1998 | — | — |
| McMillan W. B. 14 #1642-435-34852 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,550 | Jun 22, 1998 | — | — |
| Pfluger 84 #1042-435-34853 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,600 | Jun 22, 1998 | — | — |
| Diebitsch 70 #542-435-34854 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 7,957 | Jun 22, 1998 | — | — |