The U.S. Frontier Observatory For Research in Geothermal Energy project and comparison of typical EGS site exploration status in China and U.S

doi:10.13745/j.esf.sf.2019.2.9

Earth Science Frontiers ›› 2019, Vol. 26 ›› Issue (2): 321-334.DOI: 10.13745/j.esf.sf.2019.2.9

The U.S. Frontier Observatory For Research in Geothermal Energy project and comparison of typical EGS site exploration status in China and U.S

ZHANG Senqi, WEN Dongguang, XU Tianfu, FU Lei, JIA Xiaofeng, SUN Sheng, WENG Wei, ZHANG Yang, YANG Tao, Joseph MOORE, JIANG Shu, Rick ALLIS, John MCLENNAN

1. Center for Hydrogeology and Environmental Geology Survey, China Geological Survey, Baoding 071051, China

2. Key Laboratory of Groundwater Resources and Environment of Ministry of Education, Jilin University, Changchun 130000, China

3. Beijing Institute of Exploration Engineering, Beijing 100080, China

4. Energy and Geoscience Institute, University of Utah, Salt Lake City, Utah 84108, USA

5. Utah Geological Survey, Salt Lake City, UT 84114, USA

Received:2017-10-18 Revised:2018-02-06 Online:2019-03-30 Published:2019-03-30
Supported by:

Abstract

Abstract: The Frontier Observatory for Research in Geothermal Energy (FORGE) initiative by the United States Department of Energy is to form a new generation of enhanced geothermal system(EGS) test platform based on the construction practice of EGS demonstration project. It is guided by the constraints of classic hot dry rock exploration and development and the conception of “Reproducible Results=Tremendous Potential”. It aims to achieve a new breakthrough in U.S. hot dry rock exploration and development technology in order to meet the green electricity consumption of 100 million households in the United States. A comparison of typical EGS site exploration status in China and U.S. demonstrated that the Milford EGS site in Salt Lake City, Utah and Gonghe EGS sites in Qinghai Province are competitive in technological development. However, the Milford EGS site is more advanced in natural fracture system investigation, in situ stress field test, parameter acquisition and fracturing scheme establishment. Thus, we have suggested relevant institutions to speed up the Gonghe EGS site exploration and development to quickly improve EGS technology level and achieve EGS engineering in China.

Key words: hoto dry rock(HDR), Enhanced Geothermal System(EGS), Milford EGS site, hydrofracture, granite

CLC Number:

P314.2

ZHANG Senqi, WEN Dongguang, XU Tianfu, FU Lei, JIA Xiaofeng, SUN Sheng, WENG Wei, ZHANG Yang, YANG Tao, Joseph MOORE, JIANG Shu, Rick ALLIS, John MCLENNAN. The U.S. Frontier Observatory For Research in Geothermal Energy project and comparison of typical EGS site exploration status in China and U.S[J]. Earth Science Frontiers, 2019, 26(2): 321-334.

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The U.S. Frontier Observatory For Research in Geothermal Energy project and comparison of typical EGS site exploration status in China and U.S

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