Abstract
The aim of any reservoir characterization methodology is to provide a comprehensive and detailed picture of the reservoir rocks and fluids. This will eventually lead to a reservoir management strategy for an economically optimum field development and production program. Modern reservoir description approaches are based on the integration of geological, geophysical and engineering data via statistical and/or deterministic mathematical models. In this paper, a deterministic, multi-disciplinary approach to reservoir characterization is presented based on novel concepts in the area of 3D post-stack amplitude inversion and petrophysical theory and analysis. The application of post-stack amplitude inversion produces acoustic impedance maps which are subsequently transformed into rock properties via a detailed analysis involving ultrasonic measurements and engineering data. This integrated multi-disciplinary method has been applied in a carbonate reservoir of the Saudi Arabian peninsula in order to map lithology, porosity and permeability distribution.
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