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Geothermal Energy

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Fig. 11 | Geothermal Energy

Fig. 11

From: Porosity–permeability relationship derived from Upper Jurassic carbonate rock cores to assess the regional hydraulic matrix properties of the Malm reservoir in the South German Molasse Basin

Fig. 11

Empirical poro–perm relationship for distinct petrographic classes excluding samples showing secondary porosity (fractures, vugs). Limestones and dolomitic limestones (a) show significant difference in the poro–perm relationship compared to dolostones (b). Dolostones tend to higher permeability with increasing porosity than limestone and dolomitic limestone classes. The lines represent power laws for each individual class

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