دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a control head for injecting coiled tubing into a well that seals off the tubing and makes a pressure-tight connection.

n: one of the pricipal equipment conponents of a coiled tubing unit. The injector head incorporates special profiled chain assemibies to grip the coiled tubing string,and uses a hydraulic drive system that tractive effort for running and retrieving the strin