SET High-Performance OHL Isolates Reactive Shale; Enables Planned Completion

Summary:

A Norwegian Sea Operator was unable to drill into a depleted reservoir with a planned 12-1/4 in. BHA, which left a short section of shale cap rock that needed to be isolated to enable use of water-based mud as the reservoir drill fluid.  

Download

Overview
Document Type
Case History
Date Published
Friday, March 27, 2015
Region
Europe, Norwegian Sea

Additional Document Information

Environment:
Deep-water
System Plan:
Planned
System Type:
OHL
Values Added:
Enable planned completion, NPT reduced
Casing Size:
9 5/8"
Expandable Size:
7 5/8"
Liner Length:
<250'