Ocean Engineering Equipment and Technology ›› 2017, Vol. 4 ›› Issue (1): 43-47.

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 Development and Application of Pipe Laying System Suitable for Flexible Pipe in Bohai Bay

 GONG Hai-chao, CHEN Wei, GONG Rui, WANG Ling-yu   

  1.  China National Offshore Oil Corporation Tianjin Branch Co., Ltd., Tianjin 300452, China; Neptune Offshore Engineering Development Co., Ltd., Tianjin 300384, China
  • Received:2016-11-03 Online:2017-02-25 Published:2017-08-14
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Abstract:  Deployment of subsea flexible pipe just started in Bohai Bay, China. Suitable equipment and vessels for subsea flexible pipe installation are very limited for this area. With tremendous efforts, CNOOC Tianjin Branch and Neptune Offshore Engineering Development Company (NOED) successfully developed a flexible pipe laying system, which is particularly suitable for applications in Bohai Bay. By combining the horizontal rotating pipe storage carousel, tractor and embedding plough, the system is well suitable for transporting and installing subsea flexible pipes in Bohai Bay. The successful installation of the BZ 28/34 flexible pipes demonstrated the system’s adequacy.

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