دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a rigid offshore drilling platform used to drill development wells. The foundation of the platform is the jacket, a tall vertical section made of tubular steel members. The jacket. which is usually supported by piles driven into the seabed, extends upward so that the top rises above the waterline. Additional sections that provide space for crew quarters, the drilling rig, and all equipment need to drill are placed on top of the jocket. See platform rig.