Patent ID: 8474525
Filing Date: 2013-07-02
Classification: E21B

Abstract:
1. A liner system for sealing a producing zone within a wellbore comprising: a mandrel placed in an interior of the wellbore, said mandrel having a tubular shape; a packer releasably affixed around an outer surface of said mandrel, said packer being comprised of a material expandable upon exposure to wellbore conditions, said mandrel being slidable longitudinally within an interior of said packer when said packer is in an expanded state and set in the wellbore; and a sleeve positioned adjacent an end of said mandrel, said sleeve having a plurality of perforations in a wall thereof, wherein said sleeve has an inner diameter smaller than an outer diameter of said mandrel, said plurality of perforations being selectively positioned in and out of fluid communication with an interior of the liner system.