Seed IP Law Group PLLC
Sealed derrick structure for polar vessels
Provided is an enclosed derrick structure of an arctic ship, which provides an installation space for an exhaust unit at an upper portion of an enclosed derrick. The enclosed derrick structure of the arctic ship includes: an enclosed derrick; a crown block section disposed at an upper portion of the enclosed derrick such that a crown block is installed and an installation workspace is formed thereinside; and an exhaust unit installed in the installation workspace to communicate with the exterior.
Daewoo Shipbuilding & Marine Engineering Co., Ltd. Transocean Sedco Forex Ventures Limited
B B B B E B B E B
B63B B63J B63J B63B E21B B63J B63H E21B B63B
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D. Scott Yu Young
Brittin Lee