1887

Abstract

F022 Finite Element Modelling of Gassmann Fluid Substitution of Heterogeneous Rocks D. Makarynska* (Curtin University) B. Gurevich (Curtin University) & R. Ciz (Freie Universitaet Berlin) SUMMARY The traditional method of fluid substitution requires the rock to be microhomogeneous with a fully connected porespace that ensures hydraulic equilibrium of the pore fluid. These assumptions may be violated for multimineral rocks such as shaley sediments due to a large contrast in elastic properties of the host mineral and shale and due to the ability of clay to inhibit the movement of fluids. In this paper we investigate the sensitivity of Gassmann’s equation

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/content/papers/10.3997/2214-4609.201401645
2007-06-11
2020-10-30
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