Device and method for generating a beam of acoustic energy from a borehole, and applications thereof

Vu, Cung Khac; Sinha, Dipen N.; Pantea, Cristian; Nihei, Kurt T.; Schmitt, Denis P.; Skelt, Chirstopher

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Title: Device and method for generating a beam of acoustic energy from a borehole, and applications thereof

Abstract

In some aspects of the invention, a method of generating a beam of acoustic energy in a borehole is disclosed. The method includes generating a first acoustic wave at a first frequency; generating a second acoustic wave at a second frequency different than the first frequency, wherein the first acoustic wave and second acoustic wave are generated by at least one transducer carried by a tool located within the borehole; transmitting the first and the second acoustic waves into an acoustically non-linear medium, wherein the composition of the non-linear medium produces a collimated beam by a non-linear mixing of the first and second acoustic waves, wherein the collimated beam has a frequency based upon a difference between the first frequency range and the second frequency, and wherein the non-linear medium has a velocity of sound between 100 m/s and 800 m/s.

Inventors:: Vu, Cung Khac; Sinha, Dipen N.; Pantea, Cristian; Nihei, Kurt T.; Schmitt, Denis P.; Skelt, Chirstopher

Issue Date:: 2013-10-15

Research Org.:: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1176527

Patent Number(s):: 8559269

Application Number:: 12/793,407

Assignee:: Chevron U.S.A., Inc. (San Ramon, CA)

Patent Classifications (CPCs):: G - PHYSICS G01 - MEASURING G01V - GEOPHYSICS

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G - PHYSICS G01 - MEASURING G01V - GEOPHYSICS
G01V1/00 - Seismology
G01V1/006 - {generating single signals by using more than one generator, e.g. beam steering or focussing arrays
G01V1/46 - Data acquisition

Show less

DOE Contract Number:: AC52-06NA25396

Resource Type:: Patent

Resource Relation:: Patent File Date: 2010 Jun 03

Country of Publication:: United States

Language:: English

Subject:: 58 GEOSCIENCES; 54 ENVIRONMENTAL SCIENCES; 47 OTHER INSTRUMENTATION

Citation Formats


                    Vu, Cung Khac, Sinha, Dipen N., Pantea, Cristian, Nihei, Kurt T., Schmitt, Denis P., and Skelt, Chirstopher. Device and method for generating a beam of acoustic energy from a borehole, and applications thereof.  United States: N. p., 2013. 
        Web.

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                    Vu, Cung Khac, Sinha, Dipen N., Pantea, Cristian, Nihei, Kurt T., Schmitt, Denis P., & Skelt, Chirstopher. Device and method for generating a beam of acoustic energy from a borehole, and applications thereof.  United States.

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                    Vu, Cung Khac, Sinha, Dipen N., Pantea, Cristian, Nihei, Kurt T., Schmitt, Denis P., and Skelt, Chirstopher. Tue .  
        "Device and method for generating a beam of acoustic energy from a borehole, and applications thereof".  United States.  https://www.osti.gov/servlets/purl/1176527.

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@article{osti_1176527,

  title        = {Device and method for generating a beam of acoustic energy from a borehole, and applications thereof},

  author       = {Vu, Cung Khac and Sinha, Dipen N. and Pantea, Cristian and Nihei, Kurt T. and Schmitt, Denis P. and Skelt, Chirstopher},

  abstractNote = {In some aspects of the invention, a method of generating a beam of acoustic energy in a borehole is disclosed. The method includes generating a first acoustic wave at a first frequency; generating a second acoustic wave at a second frequency different than the first frequency, wherein the first acoustic wave and second acoustic wave are generated by at least one transducer carried by a tool located within the borehole; transmitting the first and the second acoustic waves into an acoustically non-linear medium, wherein the composition of the non-linear medium produces a collimated beam by a non-linear mixing of the first and second acoustic waves, wherein the collimated beam has a frequency based upon a difference between the first frequency range and the second frequency, and wherein the non-linear medium has a velocity of sound between 100 m/s and 800 m/s.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2013},

  month        = {10}

}

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