High-quality pre-drill predictions of reservoir properties are essential to evaluate the chance of success before drilling costly geothermal wells. The porosity and permeability of geothermal reservoirs can be predicted by combining knowledge of the petrography, provenance, depositional environment, and burial history. In this study we use diagenetic forward modelling (Touchstone and T>Map software systems), where the evolution of compaction, cementation, and the resulting reservoir properties are simulated from time of deposition until present-day. In this way, geothermal exploration in areas with little subsurface knowledge can be aided by utilizing diagenesis models based on data-rich areas with detailed geological information.
Olivarius et al. (Fri,) studied this question.
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