Patent ID: 8720561
Filing Date: 2014-05-13
Classification: E21B

Abstract:
1. A downhole tool for use in completing a wellbore comprising: a tubular body having opposing ends that selectively couple to upper and lower sections of a casing string, so that the body is coaxial to and in fluid communication with the casing string; a passage formed through a wall of the tubular body; an inflatable packer circumscribing a portion of the tubular body; an annular chamber formed within the tubular body and in fluid communication with the packer; a sleeve coaxially within the tubular body selectively set in a pass through configuration and defining a flow barrier between an annulus of the tubular body and the port and selectively slideable into a by-pass configuration with the annulus of the tubular body in fluid communication with the port and having a portion of the sleeve inserted into the annular chamber; and fluid that is in the annular chamber when the sleeve is set in the pass through configuration and urged into the packer when the sleeve is in the by-pass configuration.