Dual-cylinder blowout preventer operator system

Details Dual-cylinder blowout preventer operator system Dual-cylinder blowout preventer operator system

E - Fixed Constructions

21

B

E21B 33/06 (2006.01) F16K 17/00 (2006.01) F16K 31/122 (2006.01)

Patent

CA 2660547

A hydraulic blowout preventer operator comprises a first piston rod coupled to a closure member. The operator further comprises a first operator housing coupled to a bonnet and a head. The first piston rod extends through the bonnet into the first operator housing where is couples to a first piston disposed within the first operator housing. The operator further comprises a second piston rod coupled to the closure member. The second piston rod has a longitudinal axis that is parallel to a longitudinal axis of the first piston rod. The second piston rod extends through the bonnet into a second operator housing and is coupled to a second piston that is disposed within the second operator housing.

L'invention concerne un mécanisme hydraulique de commande d'obturateur anti-éruption, comprenant une première tige de piston couplée à un élément obturateur. Ce mécanisme de commande comprend en outre un logement de mécanisme couplé à un capuchon et à une tête. La première tige de piston passe à travers le capuchon pour s'avancer dans le logement du mécanisme de commande où il est couplé à un premier piston installé dans le logement. Le mécanisme de commande comprend en outre une seconde tige de piston couplée à l'élément obturateur. La seconde tige de piston présente un axe longitudinal parallèle à l'axe longitudinal de la première tige de piston. La seconde tige de piston passe à travers le capuchon pour s'avancer dans un second logement de mécanisme de commande, et est couplé à un second piston installé dans le second logement de mécanisme de commande.

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