Patent ID: 7225870

Claim:
A tool string for use in wellbore operations, comprising: a hydraulic anchor assembly adapted to prevent axial movement of the tool string, the hydraulic anchor assembly having: a gripping surface movable between a retracted position and an extended position; a biasing member biasing the gripping surface in the retracted position; a tubular member; one or more piston chambers, each piston chamber in fluid communication with an inner diameter of the tubular member; and a piston disposed in each chamber, each piston adapted to move radially and having the gripping surface disposed on an end thereof, the one or more piston chambers of the anchor assembly are disposed in a rotatable sleeve; a hydraulic packer actuator assembly adapted to actuate a liner hanger assembly having a liner hanger and a packer; and a tubular gripping member adapted to releasably engage and support the liner hanger assembly during run in.