دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: thickness forged to the end of a tubular (such as drill pipe) to give the end extra strength. v: to forge the ends of tubular products, such as drill pipe, so that the pipe wall acquires extra thickness and strength near the end. Upsetting is usually performed to strengthen the pipe so that threads, or threaded pieces, such as tool joints, can be added to the pipe.