The opening in the hull of a drillship or other offshore drilling vessel through which drilling equipment passes.

钻井船壳体或者其它海洋钻井船舶的开口部分，钻井设备可以通过其中。

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The tensioner is the key device of offshore pipe-laying vessel and the tension system of the tensioner ensures the constant tension.

铺管船用张紧器是海洋铺管船的关键设备，张紧器张紧系统是张紧器保持管线恒张力的保证。

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A telescoping joint at the surface in floating offshore operations that permits vessel heave (vertical motion) while maintaining a riser pipe to the seafloor.

浮动海洋钻井作业时位于水面的伸缩节，它允许钻井船升降(垂直运动)而保持导管接触海底。

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Chief Engineer Anthony Gervasio and Qualified Member of the Engineering Department (QMED) Louis Longlois, crewmembers of the offshore supply vessel Damon B.

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Talisman said it hired a 120-person vessel to mobilise personnel offshore "to supplement the limited helicopter flights available at present".

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After the kidnapping, remaining crew-members - operated by Augusta Offshore SpA, a Naples-based shipping company in southern Italy - had sailed the vessel to safety.

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