The Promise of Elastic Anisotropy 

Elastic Anisotropy
Publication: Oilfield Review
Volume: 6
Issue: 4
Publication Date: 10/01/1994

Elastic anisotropy has blossomed from a bothersome anomaly into a promising measure of reservoir properties. This phenomenon, in which waves travel with different velocities in different directions, indicates the presence of alignments such as cracks or fractures, tectonic stresses, depositional layers or ordered anisotropic grains. Formerly of concern only to theorists, elastic anisotropy can now be measured in ultrasonic, sonic, crosswell and borehole seismic experiments. This article examines how elastic anisotropy is being used to enhance reservoir description and impact reservoir development decisions.



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