Extraordinary job on Alif-78 GIW 19-11-2018
7 IN casing leak repair
Well status: - Well drilled in Alif field on Oct-1987 & know the utilized as gas injection well.
- Casing back-off is to recover the bad section of casing & run new casing.
- Main Steps:-
1- Located casing leak portion from 70 ft to 160 ft
2- Recovered damaged 7” casing by unscrewing it from depth of 292 ft
3- Ran and screwed in 8 joints of the casing. Pressure tested 7” casing, tested good.
4- Drilled cement & cleaned hole from sand.
5- Preparing well for gas injection.