GLOSSARY

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Excerpt


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k_f = \mu_f \frac{| {\bf v}|}{ | \nabla p |}

where

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body\mu_f

fluid viscosity

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body| {\bf v}|

fluid velocity

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body\nabla p

pressure gradient


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k_f = k_a \cdot k_{rf}

where

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bodyk_a

absolute permeability to air which is defined by the reservoir pore structure only, also denoted as

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bodyk_{abs}
or
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bodyk_{air}

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bodyk_{rf}r

relative permeability to a given fluid which is defined by the interaction between fluid and reservoir matrix

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