| Fields 58 #1042-435-35200 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,000 | Aug 1, 2000 | — | — |
| Fields 59 #342-435-35201 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 4,241 | Aug 1, 2000 | — | — |
| Fields 53 #542-435-35202 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,800 | Aug 1, 2000 | — | — |
| Shurley 99 #1542-435-35203 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,600 | Aug 1, 2000 | — | — |
| Shurley 111 #1542-435-35204 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,800 | Aug 1, 2000 | — | — |
| Barton #1242-435-35197 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,610 | Jul 31, 2000 | — | — |
| Sawyer 145 #1542-435-35192 | Robert C. Brower LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,958 | Jul 27, 2000 | — | — |
| Hudspeth 54 #142-435-35193 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,491 | Jul 27, 2000 | — | — |
| Hudspeth 52 #242-435-35194 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,491 | Jul 27, 2000 | — | — |
| Hudspeth I #342-435-35195 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,800 | Jul 27, 2000 | — | — |
| Hudspeth H #242-435-35196 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,800 | Jul 27, 2000 | — | — |
| Miers a #151842-435-35188 | Robert C. Brower LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 5,828 | Jul 26, 2000 | — | — |
| Meckel #4542-435-35190 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 5,800 | Jul 26, 2000 | — | — |
| Meckel #4442-435-35191 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 5,950 | Jul 26, 2000 | — | — |
| Deberry-Berger Unit #1442-435-35186 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,410 | Jul 25, 2000 | — | — |
| Deberry-Berger Unit #1542-435-35187 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 8,550 | Jul 25, 2000 | — | — |
| Miers a #142-435-00255 | Robert C. Brower LLC | Sutton, TXSonora (Canyon Upper) | Temporarily abandonedGas | 5,734 | Jul 21, 2000 | — | — |
| Deberry a #2242-435-35182 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,570 | Jul 21, 2000 | — | — |
| Deberry a #5742-435-35184 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,580 | Jul 21, 2000 | — | — |
| Hill-Mayer Edwin S. Jr M #542-435-35185 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,491 | Jul 21, 2000 | — | — |
| McMillan W. B. #442-435-35180 | Robert C. Brower LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,718 | Jul 20, 2000 | — | — |
| Deberry a #5642-435-35183 | Upp Operating LLC | Sutton, TXSonora (Canyon Upper) | ActiveGas | 6,695 | Jul 19, 2000 | — | — |
| Mayer Edwin S. Jr. C #1542-435-35179 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,491 | Jul 18, 2000 | — | — |
| Mayer Minnie H. C #442-435-35178 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,200 | Jul 12, 2000 | — | — |
| Shurley 96 #1042-435-35175 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,800 | Jul 11, 2000 | — | — |
| Shurley 95 #742-435-35176 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,800 | Jul 11, 2000 | — | — |
| Hill-Mayer Eeee #242-435-35177 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,250 | Jul 11, 2000 | — | — |
| Mayer Ranch TTT #159242-435-35174 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,800 | Jul 10, 2000 | — | — |
| Mayfield 39 #1242-435-35173 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,426 | Jul 7, 2000 | — | — |
| Pfluger 85 #942-435-35171 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,600 | Jun 30, 2000 | — | — |
| Pfluger 86 #742-435-35172 | Upp Operating LLC | Sutton, TXFawcett (Wolfcamp) | ActiveGas | 5,600 | Jun 30, 2000 | — | — |
| Mayfield 39 #942-435-34613 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,500 | Jun 28, 2000 | — | — |
| Fields 14 #642-435-35170 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,800 | Jun 28, 2000 | — | — |
| Mayfield 34 #642-435-33518 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 7,260 | Jun 23, 2000 | — | — |
| Fields 14 #742-435-35165 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,800 | Jun 23, 2000 | — | — |
| Fields 15 #1342-435-35166 | Smith Pipe of Abilene | Sutton, TXSawyer (Canyon) | PluggedGas | 6,000 | Jun 23, 2000 | — | — |
| Fields 23 #642-435-35167 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 5,700 | Jun 23, 2000 | — | — |
| Fields 23 #542-435-35168 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,700 | Jun 23, 2000 | — | — |
| Mayer 3B #142-435-35169 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,450 | Jun 23, 2000 | — | — |
| Granger Bluff #110242-435-35162 | Blackstone Energy Services LLC | Sutton, TXWhitehead (Strawn) | ActiveGas | 8,376 | Jun 21, 2000 | — | — |
| Richardson 4 #842-435-35163 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,400 | Jun 21, 2000 | — | — |
| Shurley 99 #1642-435-35164 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,400 | Jun 21, 2000 | — | — |
| Mayer Edwin S. Jr. D #80942-435-35154 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,250 | Jun 20, 2000 | — | — |
| Mayer 1028 #242-435-35155 | Upp Operating LLC | Sutton, TXSawyer (Strawn North) | ActiveGas | 8,300 | Jun 20, 2000 | — | — |
| Shurley 94 #642-435-35156 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,306 | Jun 20, 2000 | — | — |
| Shurley 98 #1242-435-35157 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 6,526 | Jun 20, 2000 | — | — |
| Shurley 111 #1242-435-35158 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,800 | Jun 20, 2000 | — | — |
| McMillian W. B. 10 #1642-435-35160 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 5,650 | Jun 20, 2000 | — | — |
| Mayer 3 #242-435-35161 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | ActiveGas | 8,650 | Jun 20, 2000 | — | — |
| Shurley 98 #1642-435-35153 | Upp Operating LLC | Sutton, TXSawyer (Canyon) | Temporarily abandonedGas | 6,406 | Jun 19, 2000 | — | — |