دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: A tool used to keep a tool string in the center of the tubing, casing, or wellbore. Tool centralization may be required for several reasons: to prevent the tool from hanging up on obstructions on the wellbore wall, to place fluid efficiently, and to avoid

a bladed or bow spring tool that helps center tools or pipe in the wellbore.