上海液化天然气项目海底管道工程可行性讨论报告 编制：校审：审定：批准：海洋石油工程股份有限公司设计公司二 OO 五年四月目 录1概述...........................................................................................51.1项目概况..................................................................................51.2前期预可研阶段路由比选简介.....................................................81.3编制依据................................................................................191.4执行标准、法律规范................................................................201.5海底管道设计结论综述.............................................................212海底管道路由选择及地质、地貌...........................................252.1海底管道路由选择...................................................................252.2交越海底光缆和电缆布置..........................................................312.3入海点海域地貌......................................................................342.4登陆点海域地貌......................................................................382.5海底管道路由海域地貌.............................................................42图 2.5-2海底管道路由布置图........................................................462.6海底面状况.............................................................................472.7浅地层特征.............................................................................472.8不良地质和障碍物...................................................................472.9海域演变................................................................................482.10 海底冲淤变化和原因................................................................502.11 大指头北深沟的发育和变化.......................................................522.12 海床演变、海底冲淤变化对海管稳定性影响.................................543基础数据.....................................................................563.1工艺基础数据........................
