Natural Fracture Network Characterisation
Numerical modelling, outcrop analysis and subsurface data
Quinten D. Boersma (TU Delft - Reservoir Engineering, TU Delft - Applied Geology)
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Abstract
Responsibly using the subsurface for geo-energy extraction or storage requires an accurate understanding of the static and dynamic behaviour of the targeted reservoirs. While mostly dependent on intrinsic rock properties (e.g. porosity and permeability), this behaviour is also believed to be significantly impacted by the presence of natural fractures. For example, depending on their opening, connectivity, intensity or cement infill, natural fractures can both channel or inhibit fluid flow, thereby causing significant local flow heterogeneities which can both increase or decrease geo-energy production values. Therefore, assessing the possible characteristics of natural fractures has become an integral component in complex reservoir studies.
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