Patent ID: 7581595

Claim:
A liner hanger for hanging a liner within a bore of a casing string, the liner hanger comprising: a housing for securing into the casing string at a desired location, the housing having a housing bore, an outer wall surface, and an inner wall surface, the inner wall surface having a pocket disposed thereon; a slip disposed within the pocket, the slip having a gripping inner wall surface; an actuator for connection to the liner for placement within the housing bore, the actuator when in the housing bore, causing the slip to move downward and inward to engage and secure the liner within the bore; and a setting mechanism mounted to the slip, the slip being movable from an upper position fully recessed within the pocket to a lower position wherein the gripping inner surface protrudes inward from the pocket, the setting mechanism comprising a piston slidingly engaged within a chamber of the pocket and a passage leading from the housing bore to the chamber, and the actuator comprising a port disposed through a side wall of the actuator, the port being alignable to the passage when the actuator is within the housing bore such that a fluid pressure transmitted through the liner and port applies the fluid pressure to the piston to move the slip downward.