دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: (lUE) an extra-thick inside wall on the end of tubing or drill pipe at the point where it is threaded to compensate for the metal removed in threading. Unlike external upset drill pipe, which has the extra thickness on the outside, drill pipe with internal upset has the extra thickness inside and a uniform, straight wall outside. Compare external upset end, internal-external upset end.