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Geothermal Energy

Science – Society – Technology

Fig. 10 | Geothermal Energy

Fig. 10

From: Petrophysical characterization, BIB-SEM imaging, and permeability models of tight carbonates from the Upper Jurassic (Malm ß), SE Germany

Fig. 10

Grouped bar charts of the mean residual square error (MRSE) including error bars (standard deviation) in relation to a the corresponding air permeabilities KAir and b argon permeabilities KAr for each model and the application of different methods for porosity determination (ΦAr, ΦHe, ΦHg). The corresponding standard deviations are indicated by vertical black bars. If standard deviations are out of diagram range, the missing values are indicated. The mean MRSE of each model applying across all porosities and across only ΦAr and ΦHg is highlighted as black and red lines with corresponding values, respectively. The corresponding values are listed in Appendix 1: Table 5

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