Water breakthrough during oil recovery can be inhibited by the use of novel shear-induced structure additives. These affect the shear rate experienced by fluid inside the rock matrix. We relate this to the permeability for the purpose of applying these novel non-Newtonian materials which thicken viscosity only in the shear range associated with the permeability of the reservoir while maintaining base fluid properties outside this range.
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Reuvers et al. (2008) studied this question.
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