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China starts production of world’s first 100,000 dwt deep-water semi-submersible FPSO

Photo: CCS Shenhai Yihao 1.jpg
China Classification Society (CCS) has announced the successful surveying of the world’s first 100,000 dwt deepwater semi-submersible floating production storage and offloading installation (FPSO).

The platform, named Shen Hai Yi Hao, is formally commencing production after being installed at the Lingshui (LS) 17-2 gas field in the South China Sea, operated by China National Offshore Oil Corporation (CNOOC).

CCS President Mo Jianhui said the building of the Shen Hai Yi Hao marks a giant step forward in Chinas offshore development capability as it extends the exploration depth from the previous record of 300m to 1500m ultra-deep water, which is also Chinas first self-developed deep water FPSO.

The project achieved three world firsts, said You Xuegang, CNOOC project manager of Shen Hai Yi Hao, This is the first FPSO to have condensate oil storage in the four semi-submersible columns with a maximum storage capacity of nearly 20,000 cu m; the largest span of the semi-submersible truss-type topside in the world of up to 49.5m and the first wet in-dock semi-stool assembly technology conducted on land. Meanwhile, 13 domestic initiative technologies have been applied practically, and her construction speed has set a new world record among the same type of platforms. 

CCS provided extensive statutory survey, classification and third-party certification survey services through-out the design, construction and installation of the platform.


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