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Title: System and method for investigating sub-surface features and 3D imaging of non-linear property, compressional velocity VP, shear velocity VS and velocity ratio VP/VS of a rock formation

Abstract

A system and a method for generating a three-dimensional image of a rock formation, compressional velocity VP, shear velocity VS and velocity ratio VP/VS of a rock formation are provided. A first acoustic signal includes a first plurality of pulses. A second acoustic signal from a second source includes a second plurality of pulses. A detected signal returning to the borehole includes a signal generated by a non-linear mixing process from the first and second acoustic signals in a non-linear mixing zone within an intersection volume. The received signal is processed to extract the signal over noise and/or signals resulting from linear interaction and the three dimensional image of is generated.

Inventors:
; ; ; ; ; ; ;
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1183349
Patent Number(s):
9,046,620
Application Number:
13/292,929
Assignee:
Los Alamos National Security, LLC (Los Alamos, NM) LANL
DOE Contract Number:
AC52-06NA25396
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
58 GEOSCIENCES; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS

Citation Formats

Vu, Cung Khac, Skelt, Christopher, Nihei, Kurt, Johnson, Paul A., Guyer, Robert, Ten Cate, James A., Le Bas, Pierre-Yves, and Larmat, Carene S. System and method for investigating sub-surface features and 3D imaging of non-linear property, compressional velocity VP, shear velocity VS and velocity ratio VP/VS of a rock formation. United States: N. p., 2015. Web.
Vu, Cung Khac, Skelt, Christopher, Nihei, Kurt, Johnson, Paul A., Guyer, Robert, Ten Cate, James A., Le Bas, Pierre-Yves, & Larmat, Carene S. System and method for investigating sub-surface features and 3D imaging of non-linear property, compressional velocity VP, shear velocity VS and velocity ratio VP/VS of a rock formation. United States.
Vu, Cung Khac, Skelt, Christopher, Nihei, Kurt, Johnson, Paul A., Guyer, Robert, Ten Cate, James A., Le Bas, Pierre-Yves, and Larmat, Carene S. Tue . "System and method for investigating sub-surface features and 3D imaging of non-linear property, compressional velocity VP, shear velocity VS and velocity ratio VP/VS of a rock formation". United States. doi:. https://www.osti.gov/servlets/purl/1183349.
@article{osti_1183349,
title = {System and method for investigating sub-surface features and 3D imaging of non-linear property, compressional velocity VP, shear velocity VS and velocity ratio VP/VS of a rock formation},
author = {Vu, Cung Khac and Skelt, Christopher and Nihei, Kurt and Johnson, Paul A. and Guyer, Robert and Ten Cate, James A. and Le Bas, Pierre-Yves and Larmat, Carene S.},
abstractNote = {A system and a method for generating a three-dimensional image of a rock formation, compressional velocity VP, shear velocity VS and velocity ratio VP/VS of a rock formation are provided. A first acoustic signal includes a first plurality of pulses. A second acoustic signal from a second source includes a second plurality of pulses. A detected signal returning to the borehole includes a signal generated by a non-linear mixing process from the first and second acoustic signals in a non-linear mixing zone within an intersection volume. The received signal is processed to extract the signal over noise and/or signals resulting from linear interaction and the three dimensional image of is generated.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jun 02 00:00:00 EDT 2015},
month = {Tue Jun 02 00:00:00 EDT 2015}
}

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