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China has breakthrough in deepwater pipe-laying operation
A submarine pipeline at a depth of 1,542 meters on the south side of the Lingshui 17-2 gas field was recently completed,marking a breakthrough for China in laying pipelines in deep water,according to China National Offshore Oil Corporation(CNOOC).
Located in the South China Sea,Lingshui 17-2 is the country’s first self-operated deepwater gas field.
The technical difficulty of laying undersea pipeline increases exponentially with increasing depths,the CNOOC said.Previously,the technology for laying pipeline at a depth of more than 1,500 meters had been monopolized by a few multinational oil companies.
This is China’s first time installing pipeline into a water depth of 1,500 meters,said Yu Changsheng,vice president of Offshore Oil Engineering Co.,Ltd.under the CNOOC.The pipe-laying project is expected to be completed by the end of this year.
The operation was conducted by the ship CNOOC 201,the country\'s domestically developed auto-navigation crane vessel with a capacity of laying pipes at a maximum water depth of 3,000 meters.
You Xuegang,deputy chief manager of CNOOC Zhanjiang branch,said the project is part of the Lingshui 17-2 gas field 150 kilometers south of the Hainan Island.
The gas field is expected to begin operation in 2021 and supply 3 billion cubic meters of gas to Guangdong,Hong Kong,Hainan and other places each year,You added.
Source：People\'s Daily Online
Release Time：2020-04-15 14:46:29
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