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Permeability depends on fluid type, filling the porous media and the fluid type which is sweeping through it .which leads to splitting its value into a product of two components:
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k_f = k_a \cdot k_{r\alpha} |
where
| absolute permeability to air which is defined by the reservoir pore structure only | ||||
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| relative permeability to a given fluid which is defined by the interaction between fluid and reservoir matrix |
See also
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Petroleum Industry / Upstream / Subsurface E&P Disciplines / Petrophysics
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