دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a floating marker used in a spread mooring system to position each anchor of a semi-submersible rig or drill ship. See spread mooring system.

n: a system of rope, chain, or a combination attached to anchors on the ocean floor and to winches on the structure to keep a floating vessel near a fixed location on the sea surface.