Determining pore-throat size in Permo-Triassic sandstones from low-frequency electrical spectroscopy

Details Determining pore-throat size in Permo-Triassic sandstones from low-frequency electrical spectroscopy Determining pore-throat size in Permo-Triassic sandstones from low-frequency electrical spectroscopy

May 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003georl..30i...3s&link_type=abstract

Geophysical Research Letters, Volume 30, Issue 9, pp. 3-1, CiteID 1450, DOI 10.1029/2003GL016951

Physics

Geophysics

21

Physical Properties Of Rocks: Magnetic And Electrical Properties, Hydrology: Groundwater Hydrology, Exploration Geophysics: Magnetic And Electrical Methods, Mineralogy And Petrology: Sedimentary Petrology

Scientific paper

Hydraulic conductivity or permeability, a knowledge of which is vital in modelling the movement of hydrocarbons in reservoir rocks and contaminants in aquifers, is strongly related to the intergranular pore-throat size in sandstones. For many years attempts have been made to determine permeability from the electrical properties of rocks, but with little success. Here we have measured the complex electrical conductivity of Permo-Triassic sandstone samples over the frequency range 0.0001-1000 Hz and show how parameters determined from the characteristic shape of the spectra correlate closely to pore-throat size determined from mercury injection measurements.

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