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Dongying lake petroleum technology co.,ltd.
Casing, tubing, drill pipe, drill collar, well control BOP, wellheads, ...
 
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API 16A Cammeron Annular Bop For Well Control

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Title: API 16A Cammeron Annular Bop For Well Control 
Brand: LAKE
Unit price: 20000.00 USD/
MOQ: Negotiable
Quantity: 10
Delivery date: Since the payment date Days delivery

Contact: Elisa Han (Mr.)    
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Annular blowout preventer
An annular-type blowout preventer can close around the drill string, casing or a non-cylindrical object, such as the kelly. Drill pipe including the larger-diameter tool joints (threaded connectors) can be "stripped" (i.e., moved vertically while pressure is contained below) through an annular preventer by careful control of the hydraulic closing pressure. Annular blowout preventers are also effective at maintaining a seal around the drillpipe even as it rotates during drilling. Regulations typically require that an annular preventer be able to completely close a wellbore, but annular preventers are generally not as effective as ram preventers in maintaining a seal on an open hole. Annular BOPs are typically located at the top of a BOP stack, with one or two annular preventers positioned above a series of several ram preventers.
API 16A Cammeron Annular Bop For Well Control
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