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35万吨级“海上巨无霸”启航 系我国首次自主集成

2018-06-01 17:06:07    新华网

FPSO是当今海上油气田开发的主流生产装置,能够对海上原油天然气进行初步加工、储存和外输,是集人员居住与生产指挥系统于一体的综合性大型海上油气生产基地,被称为“海上油气处理厂”。

此次交付的P67排水量及生产能力均位居世界最大FPSO之列。完成如此规模FPSO的总包工作,在中国海洋工程领域尚属首次。为此,海油工程组建了近千人的项目团队,进行了120多项技术和工艺创新,取得了一大批科研成果。比如,在建造过程中,首次运用了2000公斤高压水射流技术、超声相控阵无损检测技术,并创造了900公斤水压和575公斤气密试验的业内最高记录。

海油工程巴西FPSO项目设计负责人杨健介绍,以焊接检验为例,技术团队成功克服了PAUT(超声相控阵检测)技术在小径管和不锈钢材料上的应用难题,将该技术应用到1寸不锈钢小管焊口的质量检测中,实现了在国内海洋船舶工程领域的首次应用,提升检验效率近十倍。

P67的甲板上密布着17个功能模块,总重25000多吨,最大的达2700多吨。这样的庞然大物固定在甲板上,它的连接设备被称为球形支座,是海油工程在国内首次创新应用的一种连接模块和甲板之间的缓冲装置,安装平整度误差不能超过0.2毫米,难度极大,需要连续作业48小时才能完成。安装过程中,海油工程创新采用机加工垫板代替高强树脂,调整球形支座的安装平整度,成功将平整度误差控制在了0.2毫米范围内。

  正在海油工程青岛场地码头建造集成中的P67

  打通FPSO工程总包“最后一公里”

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