CUTTING TOOL FOR USE IN A WELLBORE

摘要

A cutting tool (10) for use in a wellbore to cut into its wall has a body (40, 50) disposable at a desired location in the wellbore, at least one first blade (70) pivotally mounted on the body at a first location, at least one second blade (60) pivotally mounted on the body at a second location spaced axially from the first location, the blades being movable from a retracted position against the body and an operating position extending from the body, the first blades being shorter in length than the second blades.