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→Permeability
==Permeability==
==Permeability==
Related property of sandstone with porosity is permeability. Permeability is effective amount of pore spaces. Selley (1976) defines permeability as the ability of a liquid or gas to flow through a porous solid. Darcy’s law defines the calculation of permeability
Related property of sandstone with porosity is permeability. Permeability is effective amount of pore spaces. Selley (1976) defines permeability as the ability of a liquid or gas to flow through a porous solid. Darcy’s law defines the calculation of permeability
:Q = 𝐾 𝛥𝐴 𝜇.𝐿
:<math>\text{Q} = \text{K } \Delta \text{A} \mu \text{L}</math>
Q: Rate of flow (cc sec-1) K: Permeability
::Q: Rate of flow (cc sec-1)
Δ: Pressure gradient
::K: Permeability
A: Cross-sectional area
::Δ: Pressure gradient
μ: Fluid viscosity (centipoise)
::A: Cross-sectional area
::μ: Fluid viscosity (centipoise)


==References==
==References==
*Boggs, Sam, Jr. 2011. Principles of Sedimentology and Stratigraphy: Fifth Edition. New Jersey: Pearson Prentice Hall.
*Boggs, Sam, Jr. 2011. Principles of Sedimentology and Stratigraphy: Fifth Edition. New Jersey: Pearson Prentice Hall.