| 干热岩资源和增强型地热工程:国际经验和我国展望 |
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| 引用本文： | 许天福,袁益龙,姜振蛟,侯兆云,冯波.干热岩资源和增强型地热工程:国际经验和我国展望[J].吉林大学学报(地球科学版),2016,46(4):1139-1152. |
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| 作者姓名： | 许天福 袁益龙 姜振蛟 侯兆云 冯波 |
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| 作者单位： | 吉林大学地下水资源与环境教育部重点实验室, 长春 130021 |
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| 基金项目： | 国家自然科学基金项目(41572215)，国家自然科学基金青年基金项目(41402205)，吉林省科技厅项目(20140520179JH)，Supported by National Natural Science Foundation of China (41572215) |
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| 摘 要： | 干热岩（HDR）是一种没有水或含有少量水的高温岩体，保守估计地壳中3~10 km深处干热岩所蕴含的能量相当于全球所有石油、天然气和煤炭所蕴藏能量的30倍。增强型地热系统（EGS）是指通过水力压裂等工程手段在地下深部低渗透性干热岩体中形成人工地热储层，采出相当数量热能的人工地热系统。EGS的研究与开发已有40年的历史，但早期只局限在美国、英国、法国、日本、澳大利亚等国家，我国这方面的研究于近几年起步。目前干热岩的开发面临诸多挑战，如大体积人工裂隙热储的建造、实现EGS商业化需要进一步研究和技术开发等。本文回顾分析了国际上重要EGS示范场地建设和研究过程中所取得的经验和积累的教训，讨论了我国近几年的研究进展，希望为我国今后EGS研究和工程化示范提供参考和借鉴。
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| 关 键 词： | 干热岩 增强型地热系统 水力压裂 热储建造 示范场地 |
| 收稿时间： | 2015-10-15 |
Hot Dry Rock and Enhanced Geothermal Engineering: International Experience and China Prospect |
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| Xu Tianfu,Yuan Yilong,Jiang Zhenjiao,Hou Zhaoyun,Feng Bo.Hot Dry Rock and Enhanced Geothermal Engineering: International Experience and China Prospect[J].Journal of Jilin Unviersity:Earth Science Edition,2016,46(4):1139-1152. |
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| Authors: | Xu Tianfu Yuan Yilong Jiang Zhenjiao Hou Zhaoyun Feng Bo |
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| Institution: | Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130021, China |
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| Abstract: | Hot dry rock (HDR) is a kind of high temperature rock in depth without or with a small amount of water. A conservative estimation of the HDR thermal energy in the earth's crust (depth of 3-10 km) is equivalent to the 30 times of the total energy contained in the oil, gas and coal all over the world. Enhanced geothermal system (EGS) is an engineered reservoirs that has been created to extract economical amounts of heat from low permeability and/or porosity geothermal resources. The history of study and development of EGS has been about 40 years, but only a small number of countries in the world have conducted EGS research and demonstration, such as the United States, Britain, France, Japan, Australia, etc. In recent years, we have started the research and development. Currently, the exploitation of HDR faces many challenges, such as the creation of the massive artificial fractured thermal reservoir, and implementing EGS commercialization needs further research and technological development. This paper reviewed the experiences and lessons learned from international typical EGS demonstration projects, and discussed the research progress of China in recent years. The purpose of the paper is to offer reference for future scientific research and field demonstration of the EGS in China. |
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| Keywords: | hot dry rock enhanced geothermal system hydraulic fracturing thermal reservoir creation field demonstration |
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