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近年来海上勘探发现的油田储量规模越来越小,经济效益差的边际油田不断增多。研究投资省、可重复利用的设施成为开发边际油田的一条必行之路。移迁式平台结构简单,重量轻,建造周期短,平台可实现自安装,不需要大型施工船舶,投资省。并且移迁式平台可搬迁,可重复利用,是经济开发边际油田的重要设施。介绍了移迁式平台的主要类型、各类型平台的适用范围以及移迁式平台的建造安装方法,并结合应用实例详细介绍了移迁式平台的结构及用其开发边际油田的方案。
In recent years, offshore oil reserves discovered by offshore exploration have been getting smaller and smaller, and the marginal oil fields with poor economic returns have been increasing. The study of investment-saving, reusable facilities has become a must for the development of marginal oil fields. Relocation platform structure is simple, light weight, short construction period, the platform can be realized from the installation, do not need large-scale construction of the ship, investment province. Moreover, the relocated platform can be relocated and reused, which is an important facility for economic development of marginal oil fields. This paper introduces the main types of the relocated platform, the applicable scope of each type of platform and the construction and installation methods of the relocated platform. The structure of the relocated platform and the scheme of developing the marginal oilfield are introduced in detail with the application examples.