China’s first deep-sea floating wind power platform, named Haiyou Guanlan, was connected to the power grid of an offshore oilfield group in Wenchang, south China’s Hainan province on May 20.
The platform, built by the China National Offshore Oil Corporation (CNOOC), will generate green power for the operation and production of offshore oilfields. It marks major progress achieved by China in key technologies of deep-sea wind power generation.
The wind turbine, with a diameter of three impellers extending 158 meters, can cover an area of nearly 20,000 square meters in one rotation, which is equivalent to the size of 2.7 standard soccer fields. The green electricity generated will be sent to the power grid through a 5-kilometer dynamic subsea cable.
Currently, most of the offshore oilfields in the world are powered by fossil energy. Wind power generation offers a greener way of production for deep-sea offshore oilfields.
Haiyou Guanlan is expected to generate as much as 22 million kilowatt hours of electricity annually, which will all be used for oil and gas production. It can save nearly 10 million cubic meters of natural gas and reduce carbon dioxide emissions by 22,000 tonnes every year.
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