Mechanism and Prospect of CO2 Oil Displacement Technology
CO2 flooding technology refers to the process of injecting CO2 into the formation and using CO2's own characteristics to displace crude oil to oil production wells.This paper analyzes the mechanism of CO2 flooding,summarizes the advantages and disadvantages of CO2 injection methods,the basic principles of enhanced oil recovery,the measures of equipment anti-corrosion,and the methods of reducing the minimum miscible pressure,and points out the problems of serious equipment corrosion and difficult mixing of CO2 flooding technology and the direction of future development.
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