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

Joint elastic-electrical properties of reservoir sandstones and their relationships with petrophysical parameters
Joint elastic-electrical properties of reservoir sandstones and their relationships with petrophysical parameters
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.
Joint elastic-electrical properties, Petrophysical properties, Reservoir sandstones
0016-8025
518-535
Han, Tongcheng
252052d9-a0e6-454d-b02e-d11fbd3dd8d8
Best, Angus I.
cad03726-10f8-4f90-a3ba-5031665234c9
Sothcott, Jeremy
71ab4088-7b13-46d6-9e28-67538a02d595
MacGregor, Lucy M.
ef8f3112-33b2-4e64-853b-ee72936c4155
Han, Tongcheng
252052d9-a0e6-454d-b02e-d11fbd3dd8d8
Best, Angus I.
cad03726-10f8-4f90-a3ba-5031665234c9
Sothcott, Jeremy
71ab4088-7b13-46d6-9e28-67538a02d595
MacGregor, Lucy M.
ef8f3112-33b2-4e64-853b-ee72936c4155

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), 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: 08 Nov 2021 19:09

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Contributors

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

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