Superlift mates topsides to semi

Mating the topsides to the hull of the seimsubmersible Na Kika production unit required a superlift on land.Shell Exploration & Production Co. defines a superlift as a technique for installing a large topsides structure, in one piece, onto a large hull structure with strand jacks rather than cranes. It says Hyundai Heavy Industries Co. Ltd. (HHI) pioneered the technique and, before Na Kika, had used it to install topsides on two deepwater drilling rigs. Click here to enlarge imageThe Na Kika superlift took place during the first week of October 2002 in HHI's construction yard in Ulsan, South Korea.The Shell Exploration & Production Co. and BP PLC $1.26-billion Na Kika project (OGJ, D...

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