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Abstract

Frykman, P., 2006, Spatial variability of porosity in chalk: Comparison of an outcrop and a North Sea reservoir, in T. C. Coburn, J. M. Yarus, and R. L. Chambers, eds., Stochastic modeling and geostatistics: Principles, methods, and case studies, volume II: AAPG Computer Applications in Geology 5, p. 279-288.

DOI:10.1306/1063822CA53241

Copyright copy2006 by The American Association of Petroleum Geologists.

Spatial Variability of Porosity in Chalk: Comparison of an Outcrop and a North Sea Reservoir

P. Frykman

Geological Survey of Denmark and Greenland (GEUS) Copenhagen, Denmark

ABSTRACT

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.

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