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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