دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a device secured around the casing at regular intervals to centre it in the hole. Casing that is centralised allows a more uniform cement sheath to form around the pipe.

n: The cyclic cement stone formed by cement slurry solidifying in the annular between casing and wellbore.

n: The cementing method that pumping delayed setting cement into drill pipe before casing installation and tripping the bottom of casing or liner into uncured cement slurry. It can make cement sheath outside the casing more smooth.