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API 16A Shaffer Annular BOP

API 16A Shaffer Annular BOP

Pressure: 3000psi

Temperature Grade: T20 (-29℃- +121℃)

Bore size: 13 5/8''

Processing Type: Forging

API16A annular blowout preventer/BOP installation could consist of both annular and ram type BOPs assembled into a stack. Also, there can be a kill line valve and a choke line valve. The choke line valve is used to redirect the mud from the well bore to the choke manifold during a kick. The kill line valve is used to direct drilling fluid to the BOP during a kick. Annular BOPs are designed to form a seal in the annular space between the drill pipe and the wellbore and are usually mounted at the top of the BOP stack.


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