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System and method for generating 3D images of non-linear properties of rock formation using surface seismic or surface to borehole seismic or both

United States Patent

June 7, 2016
View the Complete Patent at the US Patent & Trademark Office
Los Alamos National Laboratory - Visit the Technology Transfer Division Website
A system and method of characterizing properties of a medium from a non-linear interaction are include generating, by first and second acoustic sources disposed on a surface of the medium on a first line, first and second acoustic waves. The first and second acoustic sources are controllable such that trajectories of the first and second acoustic waves intersect in a mixing zone within the medium. The method further includes receiving, by a receiver positioned in a plane containing the first and second acoustic sources, a third acoustic wave generated by a non-linear mixing process from the first and second acoustic waves in the mixing zone; and creating a first two-dimensional image of non-linear properties or a first ratio of compressional velocity and shear velocity, or both, of the medium in a first plane generally perpendicular to the surface and containing the first line, based on the received third acoustic wave.
Vu; Cung Khac (Houston, TX), Nihei; Kurt Toshimi (Oakland, CA), Johnson; Paul A. (Santa Fe, NM), Guyer; Robert A. (Reno, NV), Ten Cate; James A. (Los Alamos, NM), Le Bas; Pierre-Yves (Los Alamos, NM), Larmat; Carene S. (Los Alamos, NM)
14/ 092,051
November 27, 2013
GOVERNMENT RIGHTS This invention was made in part with Government support under Contract Number DE-AC52-06NA25396 awarded by the United States Department of Energy, and in part under Cooperative Research and Development Agreement (CRADA) No. LA05-C10518 with Los Alamos National Security, LLC. The Government may have certain rights in this invention.