A DFN model (Discrete Fracture Network) built on the basis of fracture data and integrating the regional structural knowledge, allows the reproduction of results of a tracer test performed during a hydraulic circulation test between three boreholes at a depth of 5000 m at the Soultz-sous-Forêts site. This model highlights the role of the various fracture sets in the understanding of the flow between the deep boreholes and the importance to build a discrete fractures model on the basis of probabilistic analysis of the fracturing data obtained from the well imageries. On the basis of this model, which is compatible with the results of the tracer tests which have been performed since 2005, a global model of the site of Soultz-sous-Forêts can now be envisaged.
A Flow Model of the Deep Geothermal Reservoir of Soultz-sous-Forêts (France)
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Gentier, S., Rachez, X., Peter - Borie, M., and M. Loubaud. "A Flow Model of the Deep Geothermal Reservoir of Soultz-sous-Forêts (France)." Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, San Francisco, California, June 2013.
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