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Edinburgh Anisotropy Project, British Geological Survey, Murchison House, West Mains Road, Edinburgh EH9 3LA, UK
We present a brief review on the use of seismic anisotropy for reservoir characterization. Seismic anisotropy utilizes the concept of scattering interference from subwavelength heterogeneities and may provide a powerful tool for characterizing these heterogeneities. An ordered system of reservoir heterogeneity may display seismic anisotropy diagnosed by shear-wave splitting, and the polarization of the fast split shear-wave (qS1), the time delay between the two split shear-waves (qS1, qS2), and the differential reflectivity at normal incidence may be used to quantify the heterogeneities. An example of field data obtained from a multicomponent seismic survey is presented to demonstrate how hydrocarbon production can be correlated with seismic anisotropy, and its potential application to reservoir characterization.
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S. J. Jolley, D. Barr, J. J. Walsh, and R. J. Knipe Structurally complex reservoirs: an introduction Geological Society, London, Special Publications, 2007; 292: 1 - 24. [Abstract] [Full Text] [PDF] |
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