The pipe moves through these stations as the lay barge proceeds along the pipeline route.

随着铺管船沿管道线路向前移动，管子分别通过上述各站。

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For determining working parameters during the pipe-laying operation with a lay-barge, the laying method and other working situation of the pipeline must be analyzed.

为了确定用铺管船法铺设海洋管道过程中的作业参数，必须对海洋管道的铺设方式和作业状态进行分析。

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Tensioner system is a key attachment of pipe laying barge. Its dynamic behaviors directly influence the offshore pipe laying operations. But the dynamic research about tensioner is very rare.

张紧器系统是与铺管船配套的关键设备，其动态行为直接影响整个海上铺管作业，但是有关张紧器系统的动态研究却很少。

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Focusing on high-margin drilling technology and tools, Duroc-Danner spun off the drill-pipe business as Grant Prideco in 2000 and sold off capital-intensive barge rig and gas-compression businesses.

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