Patent ID: 8371386
Filing Date: 2013-02-12
Classification: E21B,Y10T

Abstract:
1. A downhole tool, comprising: a work string adapted to be disposed within a wellbore; a valve coupled to the work string, wherein the valve is disposed between a first portion of the work string and a second portion of the work string, and wherein the valve comprises: a packer disposed on an outer surface of the valve and adapted to isolate a first annulus from a second annulus, wherein the first annulus is disposed adjacent the first portion of the work string, and the second annulus is disposed adjacent the second portion of the work string, wherein at least one of the housing, the first flow gland, and the second flow gland is adapted to be rotated with respect to the body to form a flow path between at least two of the first portion of the work string, the second portion of the work string, the first annulus, and the second annulus.