Patent ID: 9470062
Filing Date: 2016-10-18
CPC Classification: E21B

Claim Text:
1. A downhole tool for use in a wellbore comprising: a housing; a packer on an outer surface of the housing that selectively extends radially outward into sealing contact with a wall of the wellbore to define a formation space below the packer and an annulus space above the packer; an annulus valve mandrel in the housing; an annulus valve coupled to the annulus valve mandrel and in an open configuration by moving the annulus valve mandrel to an opened position and in a closed configuration by moving the annulus valve mandrel to a closed position; a formation valve mandrel in the housing; a formation valve coupled to the formation valve mandrel and in an open configuration by moving the formation valve mandrel to an opened position and in a closed configuration by moving the formation valve mandrel to a closed position; a piston axially moveable to different positions in the housing in response to a pressure ambient to an outer surface of the housing; a shifter assembly in the housing that is rotatable and axially moveable with movement of the piston, and selectively and exclusively coupled with one of the formation valve mandrel or the annulus valve mandrel to selectively and exclusively open one of the formation valve or the annulus valve.