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利用柴油置换外输软管中原油存在浪费资源、操作费用高的问题。根据理论计算和模拟试验结果,通过对渤海友谊号浮式生产储油装置(FPSO)原油外输系统进行适当技术改造,新增了氮气发生装置等设备,采用氮气替代柴油进行外输作业后软管内存油的吹扫、置换,不仅大大降低了操作成本,而且所产氮气还用于其它工艺管线、压力容器的氮化处理,提高了生产的安全性,也实现了海上油气生产节能降耗、环保的目标。
The use of diesel to replace the crude oil output hose there is a waste of resources, high operating costs. According to the theoretical calculation and simulation test results, through the appropriate technological transformation of the FPSO crude oil transmission system of Bohai Friendship No. Floating Production and Storage Unit (FPSO), a new nitrogen generator and other equipment have been added to replace the diesel with the nitrogen, The purging and replacing of the tube memory oil not only greatly reduces the operation cost, but also the nitrogen produced is also used for nitriding of other process lines and pressure vessels to improve the safety of production and realize the energy saving and consumption reduction of offshore oil and gas production , The goal of environmental protection.