Patent ID: 7686090

Claim:
A liner hanger assembly, comprising: a running tool mandrel supported on a running string; a liner hanger for engaging a casing to support a liner hanger and liner from the casing; a releasing mechanism for releasing a portion of the liner hanger assembly to be retrieved to the surface from a portion of liner hanger assembly remaining downhole; a slick joint supported on the running string; a cementing bushing reinsertable into the liner hanger for interconnection to the liner hanger, the cementing bushing including one or more loading members occupying a majority of a circumferential groove in the liner hanger assembly when in a loading position, and radially movable to connect the cementing bushing to the liner hanger and withstand fluid pressure forces on the cementing bushing, the one or more loading members being radially movable to retract from the groove to disconnect the cementing bushing from the liner hanger assembly; and a locking member radially moveable to connect the cementing bushing to the slick joint, the locking member positioned within a recess in the slick joint to axially connect the cementing bushing to the slick joint, and radially retractable from the recess in the slick joint to disconnect the cementing bushing from the slick joint.