MOSCOW – Russian Maritime Register of Shipping is supervising the repair of the semisubmersible drilling rigs Polyarnaya Zvezda and Severnoye Siyanie at Yantai CIMC Raffles Shipyard in China’s Shandong Province.
The rigs, built in 2010-11, are self-propelled installations of catamaran type with two pontoons and six stabilizing columns supporting the topsides structure.
They are designed for exploration and production drilling of oil and gas bore wells up to 7,500 m (24,606 ft) deep, and can drill in water depths ranging from 70-500 m (230-1,640 ft).
The program is expected to be completed during 2Q 2017.
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