| Hauserman Nancy #142-005-30289 | Atlas Operating LLC | Angelina, TXRaintree (Travis Peak Cons.) | ActiveGas | 12,516 | Dec 19, 2006 | — | — |
| Hidalgo-Willacy #10B42-215-31772 | Atlas Operating LLC | Hidalgo, TXTexan Gardens-Tabasco N. (Cons) | PluggedGas | 9,500 | Dec 19, 2006 | — | — |
| Rabke #242-311-33932 | Atlas Operating LLC | McMullen, TXSan Miguel Creek (Wilcox Cons.) | ActiveOil | 6,248 | Dec 19, 2006 | — | — |
| Hidalgo-Willacy #8B42-215-31734 | Atlas Operating LLC | Hidalgo, TXTexan Gardens-Tabasco N. (Cons) | Temporarily abandonedGas | 9,750 | Dec 18, 2006 | — | — |
| Herrera Gregorio #942-311-33930 | Atlas Operating LLC | McMullen, TXSan Miguel Creek (Wilcox Cons.) | Shut inOil | 6,098 | Dec 7, 2006 | — | — |
| Lovell V #5HHZ42-225-31095 | Atlas Operating LLC | Houston, TXDecker Switch (Pettit) | ActiveGas | 10,180 | Dec 6, 2006 | — | — |
| Rabke-Maspero Unit #242-311-33926 | Atlas Operating LLC | McMullen, TXSan Miguel Creek (Wilcox Cons.) | ActiveOil | 6,289 | Dec 1, 2006 | — | — |
| Paluxy Gas Unit #542-423-30657 | Atlas Operating LLC | Smith, TXChapel Hill (Paluxy) | Temporarily abandonedGas | 8,800 | Dec 1, 2006 | — | — |
| Adams Gas Unit #1HHZ42-225-31093 | Atlas Operating LLC | Houston, TXDecker Switch (Pettit) | ActiveGas | 14,294 | Nov 14, 2006 | — | — |
| Adams H.E. B #1642-103-35300 | Atlas Operating LLC | Crane, TXDune East (Wolfcamp) | Shut inOil | 8,134 | Nov 13, 2006 | — | — |
| Lovell IV #4HHZ42-225-31091 | Atlas Operating LLC | Houston, TXDecker Switch (Pettit) | ActiveGas | 10,321 | Nov 6, 2006 | — | — |
| Sessions #142-073-31212 | Atlas Operating LLC | Cherokee, TXDoyle Creek (Travis Peak) | ActiveGas | 13,250 | Nov 3, 2006 | — | — |
| Sessions Rube GU #142-073-31209 | Atlas Operating LLC | Cherokee, TXRaintree (Travis Peak Cons.) | ActiveGas | 12,430 | Nov 2, 2006 | — | — |
| Chappell J. E. #6442-081-31885 | Atlas Operating LLC | Coke, TXJameson (Strawn) | Shut inOil | 7,260 | Oct 27, 2006 | — | — |
| Cree Sykes Unit #132842-399-35015 | Atlas Operating LLC | Runnels, TXCree-Sykes (Gardner Upper) | ActiveOil | 4,733 | Oct 27, 2006 | — | — |
| Cree Sykes Unit #132942-399-35016 | Atlas Operating LLC | Runnels, TXCree-Sykes (Gardner Upper) | ActiveOil | 4,725 | Oct 27, 2006 | — | — |
| Watson M. L. GU #1 #642-161-33592 | Atlas Operating LLC | Freestone, TXMarsters N.E. | ActiveGas | 12,100 | Oct 26, 2006 | — | — |
| Lewis J. C. #642-321-02139 | Atlas Operating LLC | Matagorda, TXDuncan Slough (Frio Cons.) | Temporarily abandonedGas | 11,480 | Oct 25, 2006 | — | — |
| Chappell J. E. #6342-081-31883 | Atlas Operating LLC | Coke, TXJameson (Strawn) | ActiveOil | 7,441 | Oct 23, 2006 | — | — |
| Chappell J. E. #6242-081-31884 | Atlas Operating LLC | Coke, TXJameson (Strawn) | Shut inOil | 7,198 | Oct 23, 2006 | — | — |
| Cree Sykes Unit #132742-399-35013 | Atlas Operating LLC | Runnels, TXCree-Sykes (Gardner Upper) | ActiveOil | 4,776 | Oct 23, 2006 | — | — |
| Williamson #142-347-32394 | Atlas Operating LLC | Nacogdoches, TXNaconiche Creek (Rod.-TP Cons.) | ActiveGas | 9,211 | Oct 20, 2006 | — | — |
| Cree Sykes Unit #181142-399-35008 | Atlas Operating LLC | Runnels, TXCree-Sykes (Gardner Upper) | Shut inOil | 4,142 | Oct 18, 2006 | — | — |
| Cree Sykes Unit #181242-399-35009 | Atlas Operating LLC | Runnels, TXCree-Sykes (Gardner Upper) | ActiveOil | 4,036 | Oct 18, 2006 | — | — |
| Sessions Bob GU #142-005-30281 | Atlas Operating LLC | Angelina, TXRaintree (Travis Peak Cons.) | ActiveGas | 9,861 | Sep 26, 2006 | — | — |
| Cree Sykes Unit #120542-399-35003 | Atlas Operating LLC | Runnels, TXCree-Sykes (Gardner Upper) | ActiveOil | 4,096 | Sep 21, 2006 | — | — |
| Henley #1HZ42-225-31083 | Atlas Operating LLC | Houston, TXDecker Switch (Pettit) | ActiveGas | 10,524 | Sep 19, 2006 | — | — |
| Edinburg Improvement Assoc. G.U. #242-215-32026 | Atlas Operating LLC | Hidalgo, TXTexan Gardens-Tabasco N. (Cons) | ActiveGas | 9,000 | Sep 14, 2006 | — | — |
| Windsor Cousins GU #142-161-33728 | Atlas Operating LLC | Freestone, TXDew (C.V. Consolidated) | ActiveGas | 13,300 | Sep 13, 2006 | — | — |
| Hickey #742-325-33601 | Atlas Operating LLC | Medina, TXAdams (Olmos Navarro) | Temporarily abandonedGas | 1,000 | Sep 6, 2006 | — | — |
| Hickey #842-325-33602 | Atlas Operating LLC | Medina, TXAdams (Olmos Navarro) | Temporarily abandonedGas | 1,000 | Sep 6, 2006 | — | — |
| Cree Sykes Unit #604142-399-35000 | Atlas Operating LLC | Runnels, TXCree-Sykes (Gardner Upper) | PluggedOil | 4,900 | Aug 24, 2006 | — | — |
| Nolan D Fee #742-353-32898 | Atlas Operating LLC | Nolan, TXE. A. (Dolomite) | Shut inOil | 6,230 | Aug 11, 2006 | — | — |
| Cree Sykes Unit #604042-399-34990 | Atlas Operating LLC | Runnels, TXCree-Sykes (Gardner Upper) | Shut inOil | 5,305 | Aug 4, 2006 | — | — |
| Heard Gas Unit 2 #342-215-31865 | Atlas Operating LLC | Hidalgo, TXTexan Gardens-Tabasco N. (Cons) | ActiveGas | 10,850 | Jul 31, 2006 | — | — |
| Pena Creek Unit #13642-127-33374 | Atlas Operating LLC | Dimmit, TXPena Creek (San Miguel 3RD) | Shut inOil | 3,370 | Jul 20, 2006 | — | — |
| Pena Creek Unit #13742-127-33375 | Atlas Operating LLC | Dimmit, TXPena Creek (San Miguel 3RD) | Shut inOil | 3,370 | Jul 20, 2006 | — | — |
| South Pena Creek Unit #50142-127-33376 | Atlas Operating LLC | Dimmit, TXPena Creek (San Miguel 3RD) | ActiveOil | 3,350 | Jul 20, 2006 | — | — |
| South Pena Creek Unit #50242-127-33377 | Atlas Operating LLC | Dimmit, TXPena Creek (San Miguel 3RD) | ActiveOil | 3,330 | Jul 20, 2006 | — | — |
| South Pena Creek Unit #50642-127-33378 | Atlas Operating LLC | Dimmit, TXPena Creek (San Miguel 3RD) | Shut inOil | 3,330 | Jul 20, 2006 | — | — |
| Behrends a #142-051-33628 | Atlas Operating LLC | Burleson, TXNoack Cow Herd (3460) | Shut inOil | 3,760 | Jul 17, 2006 | — | — |
| South Pena Creek Unit #50542-127-33365 | Atlas Operating LLC | Dimmit, TXPena Creek (San Miguel 3RD) | ActiveOil | 3,310 | Jun 27, 2006 | — | — |
| Lewis J. C. C #142-321-02119 | Atlas Operating LLC | Matagorda, TXDuncan Slough (Frio Cons.) | ActiveGas | 11,903 | Jun 27, 2006 | — | — |
| Cree Sykes Unit #504742-399-34979 | Atlas Operating LLC | Runnels, TXCree-Sykes (Gardner Upper) | ActiveOil | 4,748 | Jun 23, 2006 | — | — |
| Perrard #142-051-33626 | Atlas Operating LLC | Burleson, TXNoack Cow Herd (3460) | Shut inOil | 3,850 | Jun 21, 2006 | — | — |
| Pena Creek Unit #9142-127-33362 | Atlas Operating LLC | Dimmit, TXPena Creek (San Miguel 3RD) | ActiveOil | 3,360 | Jun 21, 2006 | — | — |
| Cree Sykes Unit #503942-399-34978 | Atlas Operating LLC | Runnels, TXCree-Sykes (Gardner Upper) | Shut inOil | 4,231 | Jun 20, 2006 | — | — |
| South Pena Creek Unit #51042-127-33359 | Atlas Operating LLC | Dimmit, TXPena Creek (San Miguel 3RD) | ActiveWater Supply | 3,340 | Jun 16, 2006 | — | — |
| Cree Sykes Unit #803742-399-34973 | Atlas Operating LLC | Runnels, TXCree-Sykes (Gardner Upper) | Shut inOil | 4,185 | Jun 16, 2006 | — | — |
| Cree Sykes Unit #803842-399-34974 | Atlas Operating LLC | Runnels, TXCree-Sykes (Gardner Upper) | Shut inOil | 4,180 | Jun 16, 2006 | — | — |