STABILIZER

摘要

A method of drilling a wellbore includes running a drilling assembly into the wellbore through a casing string, the drilling assembly having a tubular string, a stabilizer, and a drill bit; applying a force to an arm of the stabilizer, thereby causing the arm to retract; and removing the stabilizer and the drill bit from the wellbore.

主权项

1. A stabilizer for use in a wellbore, comprising:
a tubular body; a mandrel disposed in the tubular body; an arm rotatably coupled to the mandrel and movable between an extended position and a retracted position; and a coupling sleeve for retaining the arm in the extended position, the coupling sleeve being releasably coupled to the tubular body.