Patent ID: 7044430
Filing Date: 2006-05-16
Classification: E21B,Y10T

Abstract:
1. A blowout preventer comprising a body with a top, a bottom, and a bore therethrough from the top to the bottom, at least one bonnet releasably secured to the body, a first lock bar recess defined by a first portion in the body and by a second portion in the bonnet, at least one lock bar removably disposed in the first lock bar recess for releasably connecting the at least one bonnet to the body, the at least one lock bar comprising a first lock bar with a lock bar body with a first end and a second tapered end for facilitating installation of the at least one lock bar in the lock bar recess and removal of the at least one lock bar from the first lock bar recess, ram apparatus movable within the body, the ram apparatus including a ram block, ram block holding apparatus pivotably secured exteriorly to the body, the ram block holding apparatus pivotable for selectively engaging and supporting the ram block and moving the ram block with respect to the body, the at least one bonnet containing actuator apparatus for moving the ram block, the ram block holding apparatus pivotably and releasably secured to the at least one bonnet, wherein the ram block has a corresponding opening and the ram block holding apparatus includes a mount connected to the body, a main bar pivotably connected to the mount, an arm secured to or formed integrally with the mount, the arm at an angle to the main body, and the arm sized and configured for receipt within the corresponding opening of the ram block.