Broadband seismology for monitoring and exploring hydrothermal - PowerPoint PPT Presentation

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Broadband seismology for monitoring and exploring hydrothermal systems Philippe Jousset, Hubert Fabriol, Jrme Pricat BRGM Bernard Chouet USGS Surveying and monitoring of hydrothermal systems better understanding of mechanical

Broadband seismology for monitoring and exploring hydrothermal systems Philippe Jousset, Hubert Fabriol, Jérôme Péricat BRGM Bernard Chouet USGS Surveying and monitoring of hydrothermal systems • better understanding of mechanical behaviour of rocks under fluid pressure • efficient and safe implementation of geothermal wells Characteristics of hydrothermal systems • Location and orientation of fractures source mecanism of broadband signals associated with hydrothermal fluid activity Tool: wave-form inversion • Data: earthquake signals • Model: 3D wave propagation modelling for Green functions ENGINE workshop, Potsdam, 6-8 November 2006 3 novembre 2006
BOUILLANTE, FRENCH ANTILLES PORKSHOP, YELLOWSTONE, USA 3 novembre 2006
Example: Bouillante geothermal system 3 novembre 2006
Example of LP monochromatic earthquake DATA SYNTHETIC (Elastic) 3D wave propagation 3 novembre 2006

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