The invention belongs to the technical field of offshore pipeline construction, and particularly relates to a sea-to-sea directional drilling and crossing operation system and method. The sea-to-sea directional drilling and crossing operation system and method aim to solve the problem that in the prior art, a steel seabed pipeline sea-to-sea directional drilling and crossing operation has no implementable scheme. According to the sea-to-sea directional drilling and crossing operation system, a complete system is built through a drilling machine platform, a drill rod supporting and restraining mechanism, a slurry circulating system and a pipeline back-dragging system in the sea-to-sea directional drilling operation, large back-dragging force can be provided, and the posture of a drill rod can adapt to tidal changes in the marine environment. The whole system has the advantages of being rapid in-place, operation and field removal, the construction resource investment is small, the operation efficiency is high, and the operation risk and the operation cost are low.

    本发明属于海上管道施工技术领域,具体涉及一种海对海定向钻穿越作业系统及方法,旨在解决现有技术中钢制海底管道海对海定向钻穿越作业无可实施方案的问题,本申请的海对海定向钻穿越作业系统,实现了海对海定向钻作业中钻机平台搭建、钻杆支撑及约束机构搭建、泥浆循环搭建、管道回拖系统搭建完整系统,并能够提供大回拖力,钻杆姿态能够适应海洋环境中的潮汐变化。整个系统具备快速就位、作业、撤场的优点,施工资源投入少,作业效率高,作业风险和作业成本低。


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    Titel :

    Sea-to-sea directional drilling and crossing operation system and method


    Weitere Titelangaben:

    海对海定向钻穿越作业系统及方法


    Beteiligte:
    LI SHUO (Autor:in) / WANG QIANG (Autor:in) / ZHU YANSHUN (Autor:in) / HUANG CHENG (Autor:in) / ZHANG QINGSHAN (Autor:in) / LI PENGFEI (Autor:in) / ZHANG ZHENGUO (Autor:in) / LI BO (Autor:in)

    Erscheinungsdatum :

    2021-06-22


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    E21B EARTH OR ROCK DRILLING , Erd- oder Gesteinsbohren / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS



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