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Joint elastic-electrical properties of reservoir sandstones and their relationships with petrophysical parameters

Han, Tongcheng, Best, Angus I., Sothcott, Jeremy and MacGregor, Lucy M. (2011) Joint elastic-electrical properties of reservoir sandstones and their relationships with petrophysical parameters Geophysical Prospecting, 59, (3), pp. 518-535. (doi:10.1111/j.1365-2478.2010.00940.x).

Record type: Article

Abstract

We measured in the laboratory ultrasonic compressional and shear-wave velocity and attenuation (0.7–1.0 MHz) and low-frequency (2 Hz) electrical resistivity on 63 sandstone samples with a wide range of petrophysical properties to study the influence of reservoir porosity, permeability and clay content on the joint elastic-electrical properties of reservoir sandstones. P- and S-wave velocities were found to be linearly correlated with apparent electrical formation factor on a semi-logarithmic scale for both clean and clay-rich sandstones; P- and S-wave attenuations showed a bell-shaped correlation (partial for S-waves) with apparent electrical formation factor. The joint elastic-electrical properties provide a way to discriminate between sandstones with similar porosities but with different clay contents. The laboratory results can be used to estimate sandstone reservoir permeability from seismic velocity and apparent formation factor obtained from co-located seismic and controlled source electromagnetic surveys.

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More information

Published date: May 2011
Keywords: Joint elastic-electrical properties, Petrophysical properties, Reservoir sandstones
Organisations: Marine Geoscience

Identifiers

Local EPrints ID: 183233
URI: http://eprints.soton.ac.uk/id/eprint/183233
ISSN: 0016-8025
PURE UUID: 373f6676-d8b5-4b12-9441-07ae847e0cd2

Catalogue record

Date deposited: 27 Apr 2011 13:40
Last modified: 18 Jul 2017 11:56

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Contributors

Author: Tongcheng Han
Author: Angus I. Best
Author: Jeremy Sothcott
Author: Lucy M. MacGregor

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