Correlation between porosity, conductivity and permeability of sedimentary rocks — a ballistic deposition model

Ruma Dasgupta, Shashwati Roy and S Tarafdar

Physica A: Statistical Mechanics and its Applications, 2000, vol. 275, issue 1, 22-32

Abstract: We contruct a porous rock structure by ballistic deposition of grains of two different sizes. The conductivity (σ) of the rock with brine-filled pores is calculated using a simple parallel resistor model, taking the tortuosity of the pore channels into account. The results are used to calculate the permeability (K) from an equivalent channel model. Variation of σ and K with porosity are compared with geological field data. The agreement is quite satisfactory.

Keywords: Sedimentary rocks; Porosity; Permeability; Tortuosity; Archie's law (search for similar items in EconPapers)
Date: 2000
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:275:y:2000:i:1:p:22-32

DOI: 10.1016/S0378-4371(99)00388-X

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