Determining anisotropy in a stratum using scattered vertical and horizontal shear modes

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Date

2003-09-23

Authors

Bob A. Hardage
Robert J. Graebner

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United States Patent and Trademark Office

Abstract

The present invention provides a system for, and method of determining anisotropy in a stratum using scattered horizontal shear and vertical shear modes. The method includes transforming seismic energy wave generated by a seismic energy source and received by seismic receivers into radial/transverse coordinate space, determining a seismic energy wave corridor along a radial path between the seismic energy source and the seismic receivers, and gathering seismic data received by the seismic receivers within the corridor wherein the data includes horizontal and vertical shear components.

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