Study of Scale-Down Method to Maintain Reservoir Heterogeneity

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Because of the limited hardware technical level, we seldom use the three-dimensional geological model with a huge amount of data directly for numerical simulation, we must reduce the amount of data.In this paper we use a part of some oilfield as an example, we scale down the parameter of permeability by the harmonic mean method and we use the grid backfilling technology for parts which have interbeds or strong heterogeneity. We evaluate scale-down model by contrast of model maps, colour graphs of frequency distribution, heterogeneous parameters, errors compare, correlation coefficients compare and calculation time-consuming. The scale-down geological model has less grids and maintains reservoir heterogeneity.

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2766-2769

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February 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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