MILLING TOOL WITH SELF DRIVEN ACTIVE SIDE CUTTERS

摘要

An essentially cylindrical tubular milling tool for milling wellbore sidewalls, where the cylindrical tubular milling tool at least comprises: one or more side cutters arranged on the outer periphery of the cylindrical tubular milling tool body, where the side cutters are driven by driving means independent of any driving means of the independent of the cylindrical tubular milling tool body