دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a lubricant for the threads of oilfield tubular goods. v: to apply thread lubricant.

n: A generic term applied to all types of thread lubricants. For casing, tubing and line pipe use lubricants specified in API Bulletin 5A. For tool joints and drill collars less than 7 inches OD, use a thread lubricant containing not less than 40-60% by weig

pipe thread dope used to lubricate and seal the threaded connection.

n: seethread lubricant.

n: A kind of plastic substance that be used to lubricate the thread of joint of drill collar,drill pipe and other drill tool.