Core-scale description of porous media dissolution during acid injection - part II: calculation of the effective properties
AUTOR(ES)
Golfier, Fabrice, Quintard, Michel, Bazin, Brigitte, Lenormand, Roland
FONTE
Computational & Applied Mathematics
DATA DE PUBLICAÇÃO
2006
RESUMO
Acid injection in porous medium is a process widely used for stimulation of petroleum wells and leads to the formation of highly conductive channels called wormholes. Two different transport-reaction models have been developed in Part I to describe the phenomenon at the core-scale. The possible existence of core-scale effective properties which appear in these models is discussed here on the basis of Darcy-scale numerical experiments. The advantages and drawbacks of one-equation and two-equation models are investigated by reference to averaged fields computed from Darcy-scale simulations.
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