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本文在综合分析了我国注水油田开发现状的基础上,提出采用三次采油方法的迫切性。简要介绍了三次采油方法提高最终采收率的基本原理。综合介绍了国外对不同油价和技术水平下各种提高采收率方法增产原油的潜力所作的分析及前景预测,也论述了我国主要油田三次采油研究的主攻方向及潜在的经济效益。最后综合评述了国内外三次采油的现状、技术水平及发展前景。
Based on a comprehensive analysis of the current development of waterflooding oilfields in our country, this paper puts forward the urgency of adopting the third oil recovery method. The basic principle of the tertiary recovery method to increase the ultimate recovery rate is briefly introduced. This paper introduces the analysis and forecast of overseas potential for various oil recovery methods to increase production of crude oil under different oil prices and technological levels. It also discusses the main directions and potential economic benefits of the tertiary recovery studies of major oilfields in China. In the end, the current situation, technical level and development prospect of the tertiary oil recovery at home and abroad are comprehensively reviewed.