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Solid Earth An interactive open-access journal of the European Geosciences Union
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Discussion papers
https://doi.org/10.5194/se-2017-8
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/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

Research article | 07 Feb 2017

Review status
This discussion paper is a preprint. It has been under review for the journal Solid Earth (SE). A final paper in SE is not foreseen.

Modifications to Kozeny–Carman model to enhance petrophysical relationships

Amir M. S. Lala 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.

Amir M. S. Lala
Interactive discussion
Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version Supplement - Supplement
Interactive discussion
Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version Supplement - Supplement
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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