Definition(s)


Mechanical Barrier

A subset of physical barriers that features mechanical equipment; not set cement or a hydrostatic fluid column.

Source: API STD 65 – Part 2, Isolating Potential Flow Zones During Well Construction, Upstream Segment, Second Edition, December 2010. Global Standards

 

Mechanical barrier

Subset of physical barriers that features engineered, manufactured equipment. NOTE Does not include set cement or a hydrostatic fluid column. EXAMPLES Permanent or retrievable bridge plugs, downhole packers, wellhead hanger seals, and liner hanger seals.

Source: API RP 96, Deepwater Well Design and Construction, First Edition, March 2013. Global Standards

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