Rov-operated tool for drilling and extraction of sheared bolts in subsea equipment

Abstract

Systems and methods for drilling and extracting sheared bolts in subsea equipment. The ROV-operated tool may comprise: a subsea screwdriver comprising a fixing base, one or more hydraulic drive engines, handles for handling by ROV and a drill holder; and a reaction holder comprising a support body, a worm bolt, a reaction arm, a hydraulic engine for driving the spindle attached to the worm bolt, a fixing bracket for hydraulic hoses for driving the engines and a fixing bracket on the subsea screwdriver.

Dependencies are inferred from the claim text.