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Geothermal Energy

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Fig. 9 | Geothermal Energy

Fig. 9

From: Cyclic soft stimulation (CSS): a new fluid injection protocol and traffic light system to mitigate seismic risks of hydraulic stimulation treatments

Fig. 9

Actual wellhead pressure (WHP), injection rate (q), injected net fluid volume since start of the treatment (Vnet) and peak ground velocity (PGV) of seismic monitoring station MSS01 during the first CSS treatment of well PX-1 of the Pohang EGS site in Korea in August 2017. The injection sequence is subdivided into seven phases (Hofmann et al. 2018, submitted)

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