Openhole liner isolates loss zone enabling planned ID at TD

Summary:

BP experienced losses while drilling a development well due to weak sand formation directly below the 13-3/8in. shoe. Multiple attempts were made to stem the losses - all without success.
A solution was required to isolate the weak sand formation and enable drilling to continue with higher mud weights.

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Overview
Document Type
Case History
Date Published
Tuesday, January 3, 2012
Region
Middle East, Azerbaijan

Additional Document Information

Environment:
Shelf
System Plan:
Planned
System Type:
OHL
Values Added:
Enable planned completion, Maximize ID and TD, Reach planned TD
Casing Size:
13 3/8"
Expandable Size:
11 3/4"
Liner Length:
1001-2000'