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Title: Data acquisition and processing system and method for investigating sub-surface features of a rock formation

Abstract

A system and a method includes generating a first signal at a first frequency; and a second signal at a second frequency. Respective sources are positioned within the borehole and controllable such that the signals intersect in an intersection volume outside the borehole. A receiver detects a difference signal returning to the borehole generated by a non-linear mixing process within the intersection volume, and records the detected signal and stores the detected signal in a storage device and records measurement parameters including a position of the first acoustic source, a position of the second acoustic source, a position of the receiver, elevation angle and azimuth angle of the first acoustic signal and elevation angle and azimuth angle of the second acoustic signal.

Inventors:
; ; ; ; ; ;
Issue Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1168676
Patent Number(s):
8,942,063
Application Number:
13/292,924
Assignee:
Chevron U.S.A Inc. (San Ramon, CA)
DOE Contract Number:  
AC52-06NA25396
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
58 GEOSCIENCES

Citation Formats

Vu, Cung Khac, Nihei, Kurt, Johnson, Paul A, Guyer, Robert, Ten Cate, James A, Le Bas, Pierre-Yves, and Larmat, Carene S. Data acquisition and processing system and method for investigating sub-surface features of a rock formation. United States: N. p., 2015. Web.
Vu, Cung Khac, Nihei, Kurt, Johnson, Paul A, Guyer, Robert, Ten Cate, James A, Le Bas, Pierre-Yves, & Larmat, Carene S. Data acquisition and processing system and method for investigating sub-surface features of a rock formation. United States.
Vu, Cung Khac, Nihei, Kurt, Johnson, Paul A, Guyer, Robert, Ten Cate, James A, Le Bas, Pierre-Yves, and Larmat, Carene S. Tue . "Data acquisition and processing system and method for investigating sub-surface features of a rock formation". United States. https://www.osti.gov/servlets/purl/1168676.
@article{osti_1168676,
title = {Data acquisition and processing system and method for investigating sub-surface features of a rock formation},
author = {Vu, Cung Khac 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 includes generating a first signal at a first frequency; and a second signal at a second frequency. Respective sources are positioned within the borehole and controllable such that the signals intersect in an intersection volume outside the borehole. A receiver detects a difference signal returning to the borehole generated by a non-linear mixing process within the intersection volume, and records the detected signal and stores the detected signal in a storage device and records measurement parameters including a position of the first acoustic source, a position of the second acoustic source, a position of the receiver, elevation angle and azimuth angle of the first acoustic signal and elevation angle and azimuth angle of the second acoustic signal.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2015},
month = {1}
}

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Works referenced in this record:

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