概述了干热岩的分布及形成原因，简述了国内外干热岩勘探开发的现状，对比了CO₂开发干热岩与常规开发技术，以CO₂应用技术为切入点，提出了注二氧化碳循环热交换（CO₂-EGS）-二氧化碳强化采油（CO₂-EOR）-二氧化碳封存（CCS）联合技术，从多方面因素考虑，分析了该联合技术的优越性，概括了其在技术、投资及地质风险和环境保护等方面存在的不足和挑战。此联合技术是碳捕获、利用与封存技术（carbon capture，utilization and storage，CCUS）的有益补充。

The distribution and formation reasons of dry hot rock are expounded,and global present situation of exploration and development of dry hot rock is briefly described.Based on the comparison of CO₂ development technology and conventional development technology for dry hot rock,an integration technology of CO₂ Injection Cyclic Heat Exchange-CO₂ Enhanced Oil Recovery-CO₂ Storage is proposed.Considering various factors,the advantages of the integration technology are analyzed,including the shortcomings and challenges in technology,investment,geological risk and environmental protection.This integration technology is a useful supplement to CCUS (shorted for carbon capture,utilization and storage) technology.

廖石宝(1995-),男,硕士生