Articles | Volume 8, issue 4
Solid Earth, 8, 805–816, 2017
https://doi.org/10.5194/se-8-805-2017
Solid Earth, 8, 805–816, 2017
https://doi.org/10.5194/se-8-805-2017

Research article 26 Jul 2017

Research article | 26 Jul 2017

A new theoretical interpretation of Archie's saturation exponent

Paul W. J. Glover

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Cited articles

Archie, G. E.: The electrical resistivity log as an aid in determining some reservoir characteristics, T. AIME, 146, 54–67, 1942.
British Petroleum: BP Statistical Review of World Energy, June 2016, British Petroleum, London, UK, 48 pp., 2016.
Clavier, C., Coates, G., and Dumanoir, J.: Theoretical and experimental bases for the dual-water model for interpretation of shaly sands, SPE J., 24, 153–168, 1984.
Glover, P. W. J.: What is the cementation exponent? A new interpretation, The Leading Edge, 28, 82–85, https://doi.org/10.1190/1.3064150, 2009.
Glover, P. W. J.: A generalised Archie's law for n phases, Geophysics, 75, E247–E265, https://doi.org/10.1190/1.3509781, 2010.
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Short summary
Electrical flow through porous media depends on the amount of conductive material available and how that material is connected. This has conventionally been described by two laws invented by Archie in 1942 which allowed only one conducting material and one non-conducting material. This paper contends that both laws arise from a single underlying law which allows for any number of materials, where their fractions sum to unity and a parameter describing their connectedness also sums to unity.