【摘要】 介绍国内外油田高效分离技术、多功能处理装置、油井不分离计量工艺、油气混相长距离输送工艺、液－液水力旋流分离技术、含油污水双向过滤技术、含油污水精细过滤技术的现状。论述这些技术的机理，在油田生产中的重要作用，及采用这些技术带来的经济效益。更多还原

【Abstract】 In this paper the status quo of the techniques at home and abroad including efficient separation of oil field. multi-function processing plants, metering without separation of oilwells, long-distance transportation with mixing oil &gas. cyclone Separation of liquid-liquid hydraulic and two-way filtration and fine filtration of oily sewage etc. is introduced. Meanwhile the mechanisms of the techniques and their important role in oil field production and their economical benefit are also described.更多还原