Characterization of Pore Space by Quantitative Image Analysis

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Abstract
Summary: A quantitative image analysis system has been configured for characterizing pore space of reservoir rocks. The technique can be applied to a magnified image of a rock thin section or polished section. With this system, numerous accurate measurements of porosity, pore size, shape, and internal rock-surface area can be obtained and easily summarized as distributions of pores. This quantity and quality of information is not attainable with conventional thin-section point-count techniques. Porosity values obtained by image analysis are in agreement with those obtained from core-plug analysis.