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对于已有油田时行后续开发时,在很多情况下需要在导管架式平台上后安装立管,如按照传统的立管设计方案,在进行海上安装作业时施工周期长,安装成本较高。针对这一问题,本文提出钢悬链线立管(SCR)的设计方案,并以南海某油田的导管架式平台为研究对象,通过应用Orca Flex软件进行立管设计和强度、疲劳及干涉分析校核,认为该方案技术上可行,而且与传统的立管方案有明显的经济优势。
In the case of subsequent development of an existing oilfield, in many cases it is necessary to install a riser after the jacket on the jacket riser. For example, the conventional riser design requires a long construction period and a high installation cost for offshore installation work. In order to solve this problem, this paper presents a design proposal of steel catenary riser (SCR). Taking the jacket-type platform of a certain oil field in the South China Sea as the research object, the design of the riser and strength, fatigue and interference analysis are conducted by using Orca Flex software Check that the program is technically feasible, but also with the traditional stand pipe program has obvious economic advantages.