Title:
オフショア掘削または生産船
Document Type and Number:
Japanese Patent JP6286717
Kind Code:
B2
Abstract:
The invention relates to an offshore drilling or production vessel comprising a platform and a mooring system attached thereto, said mooring system comprising: i.) a support frame with a winch-drum mounted thereon; ii.) a mooring line for mooring said platform to the ocean floor, said mooring line comprising a first portion and a second portion; wherein said first portion is hauled on and paid off by said winch-drum; wherein said second portion is anchored to the ocean floor; characterized in that the mooring line is a single length mooring line comprising high strength polyolefin fibers; wherein the first portion of the mooring line has a first mass (M1) of polyolefin fibers per unit length and the second portion of the mooring line has a second mass (M2) of polyolefin fibers per unit length; wherein the ratio M1/M2 is greater than 1 and wherein said first portion extends continuously into said second portion through a tapered portion of the mooring line.
Inventors:
Frass Bloom, Martin Pieter
Booth ten, joorn
Bossman, Rigobel
Booth ten, joorn
Bossman, Rigobel
Application Number:
JP2015536113A
Publication Date:
March 07, 2018
Filing Date:
October 09, 2013
Export Citation:
Assignee:
DSM IP ASSETS B.V.
International Classes:
B63B35/44; B63B21/16; B63B21/20
Domestic Patent References:
| JP2009527408A |
Foreign References:
| WO2012107939A1 | ||||
| WO2011104310A1 |
Attorney, Agent or Firm:
Ikeda adult
Yoshinori Shimizu
Junichiro Sakamaki
Yoshinori Shimizu
Junichiro Sakamaki