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Solid Earth An interactive open-access journal of the European Geosciences Union

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doi:10.5194/se-2017-8
© Author(s) 2017. This work is distributed
under the Creative Commons Attribution 3.0 License.
Research article
07 Feb 2017
Review status
This discussion paper is under review for the journal Solid Earth (SE).
Modifications to Kozeny–Carman model to enhance petrophysical relationships
Amir M. S. Lala Geophysics Department, Ain Shams University
Abstract. The most commonly used relationship relates permeability to porosity, grain size, and tortuosity is Kozeny–Carman formalism. When it is used to estimate the permeability behavior versus porosity, the other two parameters (the grain size and tortuosity) are usually kept constant. Here, we investigate the deficiency of the Kozeny–Carman assumption and offer alternative derived equations for the Kozeny–Carman equation, including equations where the grain size is replaced with the pore size and with varying tortuosity. We also introduced relationships for the permeability of shaly sand reservoir that answer the approximately linear permeability decreases in the log-linear permeability-porosity relationships in datasets from different locations.

Citation: Lala, A. M. S.: Modifications to Kozeny–Carman model to enhance petrophysical relationships, Solid Earth Discuss., doi:10.5194/se-2017-8, in review, 2017.
Amir M. S. Lala
Amir M. S. Lala
Amir M. S. Lala

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Short summary
– Apply Kozeny–Carman Equation to get permeability from the porosity – Investigate the deficiency of the Kozeny–Carman assumption – Offer alternative permeability derived equations for the Kozeny–Carman equation – Also introduced relationships for the permeability of shaly sand reservoir – Apply Kozeny–Carman Equation to get permeability – Investigate the deficiency of the Kozeny–Carman – Offer alternative permeability derived equations
– Apply Kozeny–Carman Equation to get permeability from the porosity – Investigate the...
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