Patent ID: 9238950
Filing Date: 2016-01-19
CPC Classification: E21B

Claim Text:
1. A packer assembly for a blowout preventer for sealing a wellbore, the blowout preventer having a housing for receiving a tubular and for slidingly receiving ram blocks, each of the ram blocks having a front face engageable with the front face of another of the ram blocks to form a seal therebetween, the packer assembly comprising: a face packer carried by the ram block, the face packer having a sealing surface engageable with the face packer of the another ram block; and a pair of plates positionable about the face packer, the pair of plates comprising an extended plate and a support plate with the face packer therebetween, the extended plate protruding from the ram block a distance beyond the support plate such that, when the ram blocks are moved together, the extended plate makes contact with the extended plate of an adjacent ram block before the support plates make contact whereby a sealing pressure between the face packers of the adjacent ram blocks is maintained.