Patent ID: 6386292
Filing Date: 2002-05-14
Classification: E21B

Abstract:
A packer valve for connection with a tubing string for use in a wellbore for regulating the flow of fluid within a wellbore annulus between the tubing string and the wellbore, the packer valve comprising:a packer body for fixed interconnection with the tubing string such that the packer body is manipulable through manipulation of the tubing string, the packer body having a longitudinal bore extending therethrough for communication with the tubing string; a inner packing member carried by and extending radially outward from the packer body, the inner packing member defining an outer annular flow path radially between the inner packing member and the wellbore when the packer valve is in the wellbore; an outer packing member carried by the packer body, the outer packing member defining an inner annular flow path radially between the packer body and the outer packing member; one of the packing members being axially moveable relative to the other packing member between a closed flow position wherein the outer packing member is engaged with the inner packing member and the wellbore and an open flow position wherein the outer packing member is disengaged from the inner packing member; and the outer annular flow path being in fluid communication with the inner annular flow path for transmitting a majority of fluid in the wellbore annulus through both the outer annular flow path and the inner annular flow path when the packer valve is in the open flow position.