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Geothermal Energy

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Fig. 8 | Geothermal Energy

Fig. 8

From: The influence of hydrothermal brine on the short-term strength and elastic modulus of sandstones from exploration well EPS-1 at Soultz-sous-Forêts (France)

Fig. 8

a Ratios of water-saturated-to-dry elastic modulus, brine-saturated-to-dry elastic modulus, and water-saturated-to-brine-saturated elastic modulus for the six sandstones sampled from exploration well EPS-1 at Soultz-sous-Forêts (France) as a function of connected porosity. b Ratios of water-saturated-to-dry elastic modulus, brine-saturated-to-dry elastic modulus, and water-saturated-to-brine-saturated elastic modulus for the six sandstones sampled from exploration well EPS-1 at Soultz-sous-Forêts as a function of clay content (clay content is the wt% of muscovite/illite–smectite; Table 1)

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