Stopgap Expandable Liner (SEL®)

Stopgap Expandable Liner (SEL®)2017-07-17T19:21:45+00:00

The HPOGC SEL system make the selective isolation of problem sections in a wellbore without loss of hole size possible. Unlike conventional casing and liner, SEL isolates the specific problem area, rather than the entire section back to the previous casing shoe. The HPOGC SEL system can be utilized for isolation in overpressure formations, depleted zones, incomplete casing runs, and other applications.

This system provides the ability to isolate problem zones below a casing shoe, which would otherwise call for a contingency liner and result in an unworkable or reduced hole size in the reservoir by extending the previous casing with no loss of hole size.

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