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Pipe Laying Technology for Hangzhou Bay Offshore Pipeline
Author(s): 
Pages: 44-46
Year: Issue:  8
Journal: OIL & GAS STORAGE AND TRANSPORTATION

Keyword:  海底原油管道施工阻流器定向钻拖管;
Abstract: 介绍了甬沪宁进口原油管道杭州湾海底管道穿越工程,针对杭州湾特殊的自然环境,确定采用自掩埋法,并在管道顶部安装阻流器,增加管道的稳定性.通过比选确定,在北岸段较陡峭的海坡处,采用水平定向钻施工方法,入土点及出土点均在海水中.在南岸拖管施工中,创造了大口径海底管道拖管3 400 m的纪录.
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