SECTION MILL AND METHOD FOR ABANDONING A WELLBORE

摘要

#$%^&*AU2020205333A120200806.pdf#####ABSTRACT A method for milling a tubular cemented in a wellbore includes deploying a bottomhole assembly (BHA) into the wellbore through the tubular, the BHA comprising a window mill; and extending arms of the window mill and radially cutting through the tubular, thereby forming a window through the tubular, wherein a body portion of each window mill arm engages and stabilizes from an inner surface of the tubular after a blade portion of each window mill arm cuts through the tubular.1/17 150a 150b 110 142 0 2 2 102 124 114f 18 100- - , 130h 116 FIG. 1