Abstract
AbstractThis study, carried out in the Qatar Carbonates and Carbon Storage Research Centre (QCCSRC) at Imperial College focuses on the interplay between fractures, diagenetic fluid flow and precipitation of diagenetic minerals in an exposed carbonate carapace of a salt dome in Oman. Understanding fault-related mineralization and the differences between diagenesis in the fractures and fracture walls compared to diagenesis in the rock matrix will help prediction of the reservoir quality of such fractured carapaces in the subsurface. The research questions addressed here are a) what controls the timing, distribution and geometry of fractures in the carapace of a salt dome?, and b) what controls the timing of the precipitation of minerals in the fracture network? To answer these questions, a dual approach combining structural geology with carbonate diagenesis is being applied. The origin of the fluids and their role in fracturing and diagenesis is being investigated by means of geochemistry and petrography an...
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