| 增强型地热系统环境地质影响现状研究与对策建议 |
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| 引用本文： | 甘浩男,王贵玲,蔺文静,张薇,秦向辉,张重远. 增强型地热系统环境地质影响现状研究与对策建议[J]. 地质力学学报, 2020, 26(2): 211-220. DOI: 10.12090/j.issn.1006-6616.2020.26.02.020 |
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| 作者姓名： | 甘浩男 王贵玲 蔺文静 张薇 秦向辉 张重远 |
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| 作者单位： | 1.自然资源部地热与干热岩勘查开发技术创新中心, 河北 石家庄 050000 |
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| 基金项目： | 中国地质调查局项目（DD20190138）；中国地质科学院基本科研业务费项目（SK201906，SK201902） |
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| 摘 要： | 增强型地热系统（EGS）是目前地热资源开发利用的前沿热点，其发电几乎不受外界环境影响，且几乎不对人类环境产生污染和破坏，因而备受关注。近年来学者们发现EGS开发过程中，热储改造注水运行可导致大量的微震事件出现，少数EGS工程的注水过程与当地3级以上地震明显相关，需要密切关注。文章对增强型地热系统的原理、技术以及开发利用现状进行介绍，并对国内外主要的EGS相关环境影响事件进行了整理分析，在此基础上，总结了目前的EGS环境影响研究进展，提出了下一步可以采取的措施，可以为国内EGS工程选址及开发提供有效借鉴。
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| 关 键 词： | 增强型地热系统 诱发地震 风险降低 韩国浦项 瑞士巴塞尔 |
| 收稿时间： | 2019-11-09 |
| 修稿时间： | 2020-01-30 |
Research on the status quo of environmental geology impact of enhanced geothermal system and countermeasures |
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| GAN Haonan,WANG Guiling,LIN Wenjing,ZHANG Wei,QIN Xianghui,ZHANG Chongyuan. Research on the status quo of environmental geology impact of enhanced geothermal system and countermeasures[J]. Journal of Geomechanics, 2020, 26(2): 211-220. DOI: 10.12090/j.issn.1006-6616.2020.26.02.020 |
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| Authors: | GAN Haonan WANG Guiling LIN Wenjing ZHANG Wei QIN Xianghui ZHANG Chongyuan |
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| Affiliation: | 1.Geothermal & Hot dry rock Exploration and Development Innovation Center, Ministry of Natural Resources, Shijiazhuang 050000, Hebei, China2.Institute of Hydrogeology and Environmental Geology, Chinese Academy of Geological Sciences, Shijiazhuang 050000, Hebei, China3.Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, China |
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| Abstract: | Enhanced geothermal system (EGS) is the hotspot of geothermal resource development and utilization. Its power generation is almost impervious to the external environment and it cause little pollution and damage to the environment. In recent years, it has been found that in the process of EGS development, the geothermal reservoir reconstruction and water injection operation can lead to a large number of microseismic events. The water injection processes of a few EGS projects are obviously related to the local earthquakes of magnitude 3 or above, causing close attention of researchers. This paper introduces the principle, technology and development and utilization status of the enhanced geothermal system. And the main EGS related environmental impact events at home and abroad are sorted out and analyzed. On this basis, the current research progress of EGS environmental impact is summarized, and the coutermeasures in the next step are put forward, which provide effective reference for the site selection and development of EGS projects in China. |
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| Keywords: | enhanced geothermal system induced seismicity risk mitigation Pohang Basel |
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