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http://dx.doi.org/10.7474/TUS.2013.23.6.572

Case Study of Microseismic Management Systems for Basel EGS Project  

Lee, Sangdon ((주)이노지오테크놀로지)
Publication Information
Tunnel and Underground Space / v.23, no.6, 2013 , pp. 572-580 More about this Journal
Abstract
In this case study, I examined the microseismic safety management system of Deep Heat Mining Basel (DHMB) as EGS Geothermal Project which was conducted in Basel, Switzerland. EGS Geothermal Power projects which require induced seismic event by stimulation for creation of EGS geothermal reservoir have to be controlled pressure and flow rate of stimulation by establishment of microseismic safety management system. Traffic light system and Communication response procedure of DHMB project to respond step by step corresponding microseismic event intensity through continuous monitoring during stimulation period have been managed and established in advance of stimulation. However, the project was discontinued because of an earthquake to occur larger than expected one due to post-injection seismicity occurring in the geothermal reservoir after completion of injection for stimulation. The result of post analysis, Real-time traffic light system was verified to need a establishment of new microseismic safe management system to be considered post-injection seismicity phenomenon.
Keywords
EGS; Stimulation; Microseismic event; Safety management system; Monitoring;
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  • Reference
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