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4 in-depth references

Permeability and Flow Calculators

Use 4 in-depth permeability and flow petroleum engineering calculators with formulas, inputs, outputs, units, source references, and engineering guidance.

Permeability and Flow calculators group upstream petroleum engineering calculations by the field workflow and input data they support.

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Reservoir EngineeringPermeability and Flow

Brooks-Corey Nonwetting Relative Permeability

krn=(1−Se)2[1−Se1+2/λ]k_{rn}=(1-S_e)^2\left[1-S_e^{1+2/\lambda}\right]
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Reservoir EngineeringPermeability and Flow

Buckley-Leverett Breakthrough Pore Volumes

tD,bt=(dfwdSw)shock−1t_{D,bt} = \left(\frac{df_w}{dS_w}\right)_{shock}^{-1}
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Reservoir EngineeringPermeability and Flow

van Genuchten Nonwetting Relative Permeability

krn=1−Se(1−Se1/m)2mk_{rn}=\sqrt{1-S_e}\left(1-S_e^{1/m}\right)^{2m}
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Reservoir EngineeringPermeability and Flow

van Genuchten-Mualem Wetting Relative Permeability

krw=Se[1−(1−Se1/m)m]2k_{rw}=\sqrt{S_e}\left[1-(1-S_e^{1/m})^m\right]^2
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