Subsea BOP

Blowout preventer stack designed for use on subsea wellhead and wellhead assemblies, complete with redundant controls.

Source: API STD 53, Blowout Prevention Equipment Systems for Drilling Wells, Upstream Segment, Fourth Edition, November 2012. Global Standards


Subsea Blowout Preventer

A series of ram blowout preventers and annular blowout preventers designed to be installed as a unit on a subsea wellhead, tubing head, or subsea tree.

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


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