干热岩地热能开发技术挑战与发展战略  

Technical Challenges and Strategy of Geothermal Energy Development from Hot Dry Rock

作　　者：许天福[1] 文冬光[2] 袁益龙 Xu Tianfu;Wen Dongguang;Yuan Yilong(Key Laboratory of Groundwater Resources and Environment,Ministry of Education,Jilin University,Changchun 130021,China;Center for Hydrogeology and Environmental Geology Survey,China Geological Survey,Tianjin,300304,China)

机构地区：[1]吉林大学地下水资源与环境教育部重点实验室,吉林长春130021 [2]中国地质调查局水文地质环境地质调查中心,天津300304

出　　处：《地球科学》2024年第6期2131-2147,共17页Earth Science

基　　金：国家自然科学基金项目(Nos.42372283,42130303)。

摘　　要：为推动我国干热岩地热开发取得新突破,形成一批干热岩开发示范区域,支撑国家能源结构调整和“双碳”目标实现,总结归纳了推进干热岩商业化开发的底层技术、关键技术以及前沿和颠覆性技术.根据国内外干热岩勘查、开发利用现状,结合青海共和干热岩试采科技攻坚战实践,将干热岩地热资源评价与选址、干热岩高效低成本钻井技术、干热岩地热利用技术定为底层技术;干热岩体精细勘查与刻画、高效复杂裂隙网络储层建造技术、有效微地震控制技术、裂缝网络连通与储层表征技术定为关键核心技术;井下液体爆炸造缝技术、井下原位高效换热发电技术、CO_(2)等不同工质换热发电技术列为前沿和颠覆性技术.In this paper it summarizes the base technologies,key technologies,and game-changing technologies to promote the commercialization of hot dry rock(HDR)geothermal resources.The development of these technologies is very conducive to making new breakthroughs in HDR geothermal development,forming a batch of HDR exploitation demonstration areas,and supporting the adjustment of national energy structure and the realization of the"dual-carbon target"in China.According to the present situation of exploration,development and utilization of HDR at home and abroad,combined with the practice of scientific and technological exploration of HDR in Gonghe basin,the evaluation and site selection,efficient and low-cost drilling and geothermal utilization of HDR geothermal resources are defined as the base technologies.The key technologies include highresolution exploration and characterization of HDR,efficient and complex fracture network reservoir creation,effective microseismic control,fracture network connectivity and reservoir characterization.The game-changing technologies include downhole liquid explosion fracture creation,downhole in-situ efficient heat transfer and power generation,CO_(2) and other working fluid for high-efficient power generation.

关 键 词：干热岩 增强型地热系统 工程示范 研究进展 技术挑战 环境地质学 

分 类 号：P641.2[天文地球—地质矿产勘探]