外挂井槽对导管架平台抗震性能影响研究  

Effects of External Hanging Well Slot on the Seismic Performance of Jacket Platform

作　　者：段梦兰[1] 范晓[1] 刘洋[1] 侯金林 肖玄[1] 彭飞[1] 

机构地区：[1]中国石油大学(北京)海洋油气研究中心 [2]中海油研究总院

出　　处：《石油机械》2013年第11期53-57,共5页China Petroleum Machinery

基　　金：国家863计划项目"基于振动检测的现役海洋平台结构安全评估技术研究"(2008AA092701-3)

摘　　要：新增桩腿外挂井槽技术对海洋导管架平台结构改造较大,会对平台抗震性能产生较大影响。鉴于此,在基于工程实例归纳新增桩腿外挂井槽设计要点之后,利用响应谱法得出外挂井槽影响导管架平台抗震性能的敏感因子,研究在新增桩腿外挂井槽的同时确保导管架平台抗震性能的方法,并使用SACS软件进行了算例验证。研究结果表明,当导管架平台结构在Y向水平地震力作用下处于最危险情况时,若对原平台进行新增桩腿外挂井槽,井槽应外挂在原平台X向,以确保其抗震性能。Newly added spud leg external hanging well slot technology causes remarkable modification of jacket platform and thus it has great effect on the platform seismic behavior. Therefore, after summarizing the design points of newly added spud leg external hanging well slot on the basis of engineering examples, the response spectrum method was used to obtain the sensitivity factor with respect to the effect of external hanging well slot on the seismic behavior of jacket platform. The method to ensure the seismic behavior of jacket platform in newly added spud leg external hanging of well slot was studied. The SACS software was used to make a verification of calculating exam- ple. The research findings show that when the jacket platform structure is under the most dangerous state due to the horizontal seismic force in the direction Y, the well slot should be hung externally on the original platform in the di- rection X in order to ensure its seismic performance if newly added spud leg external hanging well slot is carried out with the original platform.

关 键 词：导管架平台 外挂井槽 抗震性能 响应谱法 

分 类 号：TE951[石油与天然气工程—石油机械设备]