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为了更好的了解注CO_2提高页岩气采收率技术可行性,调研大量了文献,对比分析了页岩气藏和煤层气藏得相同点和异同点,并从采气机理和国内外研究进展分析,发现在一定范围内,注CO_2提高页岩气藏采收率是可行的。
In order to better understand the technical feasibility of improving CO2 injection rate for shale gas recovery, a lot of literature has been investigated and the similarities and differences between shale gas reservoirs and CBM reservoirs have been analyzed. From the aspects of gas production mechanism and domestic and foreign research According to the progress analysis, it is found that it is feasible to inject CO2 into shale gas reservoirs in a certain range.