دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: in pipeline construction, a combination of anchors used to hold a lay barge on station and move it forward along the planned route. Lay-barge anchors may weigh in excess of 20 tons (18 tonnes),and a dozen or more may be needed.

a component (e.g., bend stiffeners and buoyancy modules) used to control flexible pipe behavior.

n: The tool that goes in the hole with fishing tool. It can not fish by itself but is helpful for fishing operation.

n: finely crystalline, generally lightcoloured extrusive igneous rock com- posed largely of plagioclase feldspar with smaller amounts of dark-coloured minerals. Compare diorite.