Removable seal carrier for blowout preventer bonnet assembly

Details Removable seal carrier for blowout preventer bonnet assembly Removable seal carrier for blowout preventer bonnet assembly

E - Fixed Constructions

21

B

E21B 33/06 (2006.01)

Patent

CA 2528308

A bonnet assembly (200) for a blowout preventer (10) uses a seal carrier (204) that is removable so as to allow for efficient and easy seal replacement. The seal carrier (204) has a recess (250) adapted to at least partially embed a seal (208) for sealing the bonnet assembly (200) to a body (212) of the blowout preventer (10), and a first connecting rod (234) coupled to and extending from an inner surface (228) of the seal carrier (204). The first connecting rod (234) has a fastening structure (240) proximal to a distal end of the first connecting rod (234) where the fastening structure (240) is adapted to engage with a first fastening device (238), and where the seal carrier (204) is removable from the bonnet assembly (200) when the first fastening device (238) is disengaged from the fastening structure (240).

Selon cette invention, un ensemble chapeau conçu pour un bloc obturateur de puits utilise un porte-joint qui est amovible afin de permettre au joint d'être remplacé efficacement et facilement. Ce porte-joint comprend : un évidement conçu pour recevoir au moins partiellement un joint servant à assurer l'étanchéité entre l'ensemble chapeau et un corps du bloc obturateur de puits ; et une première bielle couplée à une surface interne du porte-joint et s'étendant depuis cette surface interne, ladite bielle comprenant une structure de fixation située à proximité d'une extrémité distale de la première bielle, laquelle structure de fixation est conçue pour être couplée à un premier dispositif de fixation, le porte-joint pouvant être retiré de l'ensemble chapeau lorsque le premier dispositif de fixation est dégagé de la structure de fixation.

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