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为了降低海冰对井口平台的影响,根据胜利埕岛油田已有井口平台的结构型式,以CB246井口平台为例,优化出一种新型水下基盘结构,该结构的创新点是采用了引导管和水下基盘相结合的结构型式。利用SACS软件对隔水管与水下基盘结构间的灌浆与非灌浆连接结构型式分别进行分析计算,结果表明,井口平台水下基盘灌浆连接结构更适合于埕岛海域,该新型水下基盘结构已在埕岛油田多座井口平台得到推广应用。
In order to reduce the impact of sea ice on the wellhead platform, a new type of underwater base plate structure is optimized based on the structure of wellhead platform in Shengdao Chengdao Oilfield and CB246 wellhead platform. The innovative point of this structure is to adopt the guidance Pipe and underwater base plate combination of the structure. The SACS software was used to analyze and calculate the grouting and non-grouting connection between riser and underwater foundation. The results show that the grouting connection structure of the subsea platform is more suitable for the Chengdao sea area. The new underwater foundation The disk structure has been applied in more than one wellhead platform in Chengdao oilfield.