Annular blowout preventer.

摘要

An annular blowout preventer having a body 12 with a central bore 14 therethrough and a packer recess 16 surrounding and opening on said bore, an annular split packer 34 in said recess, and means for actuating the packer to closed position. An opening 50 extends through the side of the body 12 into the packer recess of sufficient size to permit removal of the packer therethrough. A plug 60 is sealed in the opening and a sleeve 68 is located around said body to engage the exterior of said plug and retain it in sealing position in the opening 50.