238 Geophysics in Geothermal Exploration shift quality, …) led to a final attribute, plotted in black Figures 7.11 and 7.12. Connected fractures, crossing unit C, would be an optimal for the flow rate. The view in map, Figure 7.12, highlights the areas, between two key horizons, where the dolomites are the most present, and where these dolomites have the greatest porosity. Overlay with faults and fractures obtained by the fracture characterization, these final maps led the future development. Each of these properties, estimated through this work, has a key role in the interpretation: • The most porous areas contain most of the fluid. • The dolomite has a better permeability then the shaly carbonate, even with the same low porosity. • The fracture presence allows a better connection of the layers, and greater porosity (secondary) and overall, a greater permeability. Figure 7.11 Predicted lithology in section. Figure 7.12 Predicted porosity in section and final maps.
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