Patent ID: 9200493
Filing Date: 2015-12-01
Classification: E21B

Abstract:
1. An apparatus for the shearing of pipe in a subsea environment, the apparatus comprising: a housing having an interior passageway with a wall extending therearound, the interior passageway suitable for allowing the pipe to extend therethrough; a shell positioned in said interior passageway of said housing, said shell having an interior surface suitable for placement adjacent the pipe; and a shape charge positioned in said shell, said shape charge positioned so as to be directed toward an outer diameter of the pipe, said shell movable between a first position in which said shape charge is spaced from the pipe and a second position in which said shape charge bears against an outer diameter of the pipe; said shell having a bladder on a interior thereof, said bladder being inflatable so as to move said interior surface of said shell from said first position to said second position.