以超临界CO₂和页岩气为研究对象，针对超临界CO₂在页岩气开发中的应用问题展开了讨论，论述了CO₂压裂技术和CO₂增强页岩气开采技术的研究进展。CO₂增强页岩气开采技术（CO₂-ESGR）被视为一种非常有前景的页岩气藏开发方式，能够实现对页岩气的有效开采。CO₂不仅可以高效率驱替页岩气，还可代替水介质进行压裂增产作业，同时巧妙地将CO₂这种温室气体埋存于页岩储层中实现地质封存，减少温室气体排放。实现页岩储层中CO₂地质封存与页岩气开采的一体化，对环境保护和能源开发都具有重要意义。

Supercritical CO₂ and shale gas are taken as research objects,the application of supercritical CO₂ in shale gas development is discussed.Research progress in CO₂ fracturing technology and CO₂ enhanced shale gas mining technology (CO₂-ESGR) is reviewed.CO₂-ESGR is considered as a very promising shale gas development method that enables efficient exploitation of shale gas.CO₂ can not only displace shale gas efficiently,but also replace the water medium for fracturing and stimulation.At the same time,it can cleverly store the greenhouse gas CO₂ in shale reservoirs to achieve geological storage and reduce greenhouse gas emissions.The integration of CO₂ geological storage with shale gas exploitation in shale reservoirs is of great significance to environmental protection and energy development.

刘松泽(1991-),男,硕士生