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本文介绍了低渗透油藏几种常规气驱机理研究,简述了国内外开展注气提高采收率的现场试验的情况。指出了注气技术目前面临主要问题问题。
This paper introduces the research on several conventional gas flooding mechanisms in low permeability reservoirs, and briefly describes the field tests conducted at home and abroad to enhance gas recovery. It points out that gas injection technology is currently facing major problems.