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Table 1 Petro- and thermophysical rock properties of the Ripon Formation (southern Karoo Basin, South Africa)
Sample location | Number of measurements | Density (kg/m3) | Porosity (%) | Permeability | Thermal conductivity [W/(m K)] | Thermal diffusivity (1.0 E−06 m2/s) | |
|---|---|---|---|---|---|---|---|
(mD) | (m2) | ||||||
Ecca pass (outcrop) | 76 | 2630–2730 (mean 2670) | 0–3.70 (mean 1.0) | 0.0100–0.1000 (mean 0.0500) | 7.21·10−18–9.94·10−17(mean 4.83·10−17) | 2.38–3.20 (mean 2.82) | 0.71–1.83 (mean 1.21) |
KWV-1 (borehole) | 32 | 2570–2770 (mean 2700) | 0.40–2.20 (mean 1.3) | 0.0010–0.0020 (mean 0.0014) | 9.87·10−19–1.97·10−18(mean 1.38·10−18) | 3.17–3.71 (mean 3.37) | 1.30–1.53 (mean 1.39) |