海洋半潜式平台多点锚泊系统设计与分析  

Design and Analysis of Spread Mooring System for Offshore Semi-submersible Platform

作　　者：王会峰 矫健 张凯 丁春雨 赵一晓 WANG Huifeng;JIAO Jian;ZHANG Kai;DING Chunyu;ZHAO Yixiao(Offshore Oil Engineering Co.,Ltd.,Tianjin 300461,China)

机构地区：[1]海洋石油工程股份有限公司,天津300461

出　　处：《中国造船》2022年第4期183-191,共9页Shipbuilding of China

摘　　要：海洋平台能否准确定位关系到平台能否正常作业。论文以8锚链对称布置半潜式平台为例,应用悬链线方程,编制程序计算了单根锚链的长度,并分析了锚链的静力特性;对多点锚泊定位系统进行了静力分析,计算多点锚泊系统的预张力及在任意偏移角度和位移下的回复力,得到锚泊系统的静力特性和刚度系数。结果表明,该锚泊系统水平回复力的大小与浮体的偏移位移成正比,而方向相反,系泊刚度系数可用于动力分析。该方法可用于其它类型的多点锚泊定位系统的计算分析。Whether the offshore platform can be accurately positioned is related to the normal operation of the platform.In the paper,a semi-submersible platform with eight symmetrically arranged anchor chains is analyzed.Based on the catenary equation,relevant procedures are programmed.Length of the single chain is calculated,and its static performance is studied.Static analysis of multiple anchor mooring positioning system is performed.Pretension and horizontal restoring force of the system in any angle and displacement is obtained,as well as the stiffness coefficient and static performance of the mooring system are analyzed.The results show that the horizontal restoring force is proportional to the displacement of the floating platform,but in the opposite direction.The stiffness coefficient will be applied to further dynamic analysis.This method can be referenced to the analysis and calculation of other types of anchor mooring positioning system.

关 键 词：悬链线方程 锚泊定位系统 锚泊线 水平位移 静力特性 

分 类 号：TE49[石油与天然气工程—油气田开发工程]