| Date | Operation | Results |
|---|---|---|
| Nov 13, 2009 | Drilling to the depth of 1870 m | Well instability problems and deviation start to walk |
| Nov 14, 2009 | Drilling to the depth of 1920 m | Well instability problems |
| Nov 15 to 17, 2009 | Wiper trip and reaming and change BHA | Well instability problems |
| Nov18, 19 and 20 2009 | Increase mud weight to 12 ppg mud and wiper trips, Loss Circulating Materials (LCM) commenced. |
Problems in well stability not solved |
| Nov 20, 2009 | Rig up Super Combo and start Run # 1 for logging | Logging performed from 1473 m upward only due to that bridge |
| Nov 20 to Nov 30 2016 | Run # 2,3 and 4 Wiper trips and reaming |
Problems in well stability not solved and in increase |
| Nov 30; 2009 | Fishing of wire line logging tools | failed |
| Dec 1, 2009 | Opening the well to 12 ¼´´ to 1750 m top of the fish | |
| Dec 2,3 and 4 2009 | Fishing operating, wiper trips and reaming | Fishing failed Hole problems not solved |
| Dec 5 | Start side tracking and drilling to 1929 m with 12 ¼´´ BHA | |
| Dec 5 to Dec 10 | Ream and wiper trips | Hole problems not solved |
| Dec 11, 2009 | First, run of casing 9 5/8´´ | Failed at 1318 m due to the bridge. |
| Dec 12 to Dec 31 | To attempts of casing running, many wiper trips and reaming | Casing failed. Well instability problems not solved |