P. Frykman, 2006. "Spatial Variability of Porosity in Chalk: Comparison of an Outcrop and a North Sea Reservoir", Stochastic Modeling and Geostatistics: Principles, Methods, and Case Studies, Volume II, T. C. Coburn, J. M. Yarus, R. L. Chambers
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The study of the variability of porosity and permeability, and of the spatial distribution of petrophysical parameters, has received increasing interest for chalk deposits, which form important reservoirs for both hydrocarbons and groundwater. A common activity is to construct numerical reservoir models for different types of flow simulation. These models must be based on a diversity of data, including outcrop information when subsurface information is sparse. This chapter presents a comparison of the spatial variability of outcrop and reservoir petrophysical properties in chalk and a discussion on the use of information from horizontal wells.