Articles | Volume 22, issue 7
https://doi.org/10.5194/nhess-22-2257-2022
https://doi.org/10.5194/nhess-22-2257-2022
Research article
 | 
12 Jul 2022
Research article |  | 12 Jul 2022

Fault slip potential induced by fluid injection in the Matouying enhanced geothermal system (EGS) field, Tangshan seismic region, North China

Chengjun Feng, Guangliang Gao, Shihuai Zhang, Dongsheng Sun, Siyu Zhu, Chengxuan Tan, and Xiaodong Ma

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Cited articles

Alghannam, M., Juanes, R.: Understanding rate effects in injection-induced earthquakes, Nat. Commun., 11, 3053, https://doi.org/10.1038/s41467-020-16860-y, 2020. 
Baisch, S., Weidler, R., Vörös, R., Wyborn, D., and Graaf, L. D.: Induced seismicity during the stimulation of a geothermal HFR reservoir in the Cooper Basin, Australia, Bull. Seismol. Soc. Am., 96,2242-2256, https://doi.org/10.1785/0120050255, 2006. 
Bear, J.: Hydraulics of Groundwater, McGraw-Hill Book Company, New York, ISBN 0-07-004170-9, 1979. 
Bromley, C. J., Pearson, C. F., Rigor, D. M., and PNOC-EDC.: Micoearthquakes at the puhagan geothermal field, Philippines-A case of induced seismicity, J. Volcanol. Geoth. Res., 31, 293–311, https://doi.org/10.1016/0377-0273(87)90073-4, 1987. 
Butler, R., Stewart, G. S., and Kanamori, H.: The July 27, 1976 Tangshan, China earthquake-A complex sequence of intraplate events, Bull. Seismol. Soc. Am., 69, 207–220, 1979. 
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We show how FSP (Fault Slip Potential) software can be used in quantitative screening to estimate the fault slip potential in a region with some uncertainties in the ambient stress field and to assess the reactivation potential on these faults of presumably higher criticality in response to fluid injection. The case study of the Matouying enhanced geothermal system (EGS) field has important implications for deep geothermal exploitation in China, especially for the Gonghe EGS in Qinghai Province.
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