Long-range correlations in permeability fluctuations in porous rock

Hernán A. Makse; Glenn W. Davies; Shlomo Havlin; Plamen Ch Ivanov; Peter R. King; H. Eugene Stanley

doi:10.1103/physreve.54.3129

Long-range correlations in permeability fluctuations in porous rock

Hernán A. Makse, Glenn W. Davies, Shlomo Havlin, Plamen Ch Ivanov, Peter R. King, H. Eugene Stanley

Department of Physics - at Bar-Ilan University

Research output: Contribution to journal › Article › peer-review

35 Scopus citations

Abstract

Porous media, such as sedimentary rocks, have complex permeability fluctuations arising from the physical processes that formed them. These permeability fluctuations significantly affect the flow of fluids through the rocks. We analyze data on two sandstone samples from different environments, and find that the permeability fluctuations display long-range power-law correlations characterized by an exponent H> 1/2. For both samples, we find similar values of H, H≈0.82-0.90, suggesting that the permeability in porous sandstone is not spatially uncorrelated as is generally assumed.

Original language	English
Pages (from-to)	3129-3134
Number of pages	6
Journal	Physical Review E
Volume	54
Issue number	4 SUPPL. A
DOIs	https://doi.org/10.1103/physreve.54.3129
State	Published - 1996

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AU - Makse, Hernán A.

AU - Davies, Glenn W.

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AU - King, Peter R.

AU - Stanley, H. Eugene

PY - 1996

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AB - Porous media, such as sedimentary rocks, have complex permeability fluctuations arising from the physical processes that formed them. These permeability fluctuations significantly affect the flow of fluids through the rocks. We analyze data on two sandstone samples from different environments, and find that the permeability fluctuations display long-range power-law correlations characterized by an exponent H> 1/2. For both samples, we find similar values of H, H≈0.82-0.90, suggesting that the permeability in porous sandstone is not spatially uncorrelated as is generally assumed.

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Long-range correlations in permeability fluctuations in porous rock

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