Section mill and method for abandoning a wellbore

摘要

SECTION MILL AND METHOD FOR ABANDONING A WELLBORE A mill for use in a wellbore (116), comprising: a tubular housing (205) having a bore therethrough and a plurality of pockets (207p) formed in a wall thereof; an arm (215r) disposed in each pocket (207p), each arm (215r): having a body portion (216) and a blade portion (217r) extending from an outer surface of the body portion (216), wherein each blade portion (217r) has a length less than a length of the body portion (216), and movable between an extended position and a retracted position; cutters (218) disposed along each blade portion (217r) to form a radial cutting face and a longitudinal cutting face; and a pad (220) formed or disposed on an exposed portion of the outer surface of each body portion (216).