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266                      MATHEMATICAL MODELING IN PETROLEUM GEOLOGY




























           Fig. 11.32. Results of simulation of reservoir-rock properties in the South Caspian Basin (after
           Buryakovsky et al., 1990). (a) Porosity, (b) permeability, (c) density. 1 – Average curve, 2 – confidence
           limits, 3-4 – core data, 5 – statistical distribution of actual (measured) permeability.
































           Fig. 11.33. Results of simulation of petrophysical properties of rocks (variation with depth) (after
           Buryakovsky et al., 1990). (a) Reservoir rocks from Absheron region: 1 – porosity, 2 – permeability, and 3
           – density; (b) shales from three regions of the South Caspian Basin: 4, 5, 6 – porosity, and 7, 8, 9 – density.
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