دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: 1. a tubular piece of steel in a tubing liner-type of sucker rod pump, inside of which is placed an accurately bored and honed liner. In this type of sucker rod pump, the pump plunger moves up and down within the liner and the liner is inside the jacket. 2.the support structure of a steel offshore production platform;it is fixed to the seabed by piling, and the superstructure is mounted on it.