Study of heterogeneity loss in upscaling of geological maps by introducing a cluster-based heterogeneity number

Mostafa Ganjeh-Ghazvini, Mohsen Masihi and Morteza Baghalha

Physica A: Statistical Mechanics and its Applications, 2015, vol. 436, issue C, 1-13

Abstract: The prediction of flow behavior in porous media can provide useful insights into the mechanisms involved in CO2 sequestration, petroleum engineering and hydrology. The multi-phase flow is usually simulated by solving the governing equations over an efficient model. The geostatistical (or fine grid) models are rarely used for simulation purposes because they have too many cells. A common approach is to coarsen a fine gird realization by an upscaling method. Although upscaling can speed up the flow simulation, it neglects the fine scale heterogeneity. The heterogeneity loss reduces the accuracy of simulation results.

Keywords: Heterogeneity number; Fine grid geological realization; Upscaling method; Two-phase flow simulation (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:436:y:2015:i:c:p:1-13

DOI: 10.1016/j.physa.2015.05.010

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