Patent ID: 7604061
Filing Date: 2009-10-20
Classification: E21B

Abstract:
1. 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 actuator comprising a transmitter and the setting mechanism comprising a detent assembly, the detent assembly being actuatable by the transmitter to release the setting mechanism to move downward to a set-position.