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1. 发明授权

US08547791B2 Device and method for generating a beam of acoustic energy from a borehole, and applications thereof 有权
标题翻译：用于从井眼产生声能束的装置和方法及其应用
公开(公告)号：US08547791B2
公开(公告)日：2013-10-01
申请号：US12793420
申请日：2010-06-03
申请人： Cung Khac Vu , Dipen N. Sinha , Cristian Pantea , Kurt T. Nihei , Denis P. Schmitt , Christopher Skelt
发明人： Cung Khac Vu , Dipen N. Sinha , Cristian Pantea , Kurt T. Nihei , Denis P. Schmitt , Christopher Skelt
IPC分类号： G01V1/00
CPC分类号： G01V1/46
摘要： 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 broad-band acoustic pulse at a first broad-band frequency range having a first central frequency and a first bandwidth spread; generating a second broad-band acoustic pulse at a second broad-band frequency range different than the first frequency range having a second central frequency and a second bandwidth spread, wherein the first acoustic pulse and second acoustic pulse are generated by at least one transducer arranged on a tool located within the borehole; and transmitting the first and the second broad-band acoustic pulses into an acoustically non-linear medium, wherein the composition of the non-linear medium produces a collimated pulse by a non-linear mixing of the first and second acoustic pulses, wherein the collimated pulse has a frequency equal to the difference in frequencies between the first central frequency and the second central frequency and a bandwidth spread equal to the sum of the first bandwidth spread and the second bandwidth spread.
摘要翻译：在本发明的一些方面，公开了一种在钻孔中产生声能束的方法。该方法包括：在具有第一中心频率和第一带宽扩展的第一宽带频率范围内产生第一宽带声波脉冲; 在与具有第二中心频率和第二带宽扩展的第一频率范围不同的第二宽带频率范围处产生第二宽带声波脉冲，其中所述第一声脉冲和第二声脉冲由至少一个换能器布置位于钻孔内的工具上; 以及将所述第一和第二宽带声脉冲发送到声学非线性介质中，其中所述非线性介质的组成通过所述第一和第二声学脉冲的非线性混合产生准直脉冲，其中所述准直脉冲的频率等于第一中心频率和第二中心频率之间的频率差，以及等于第一带宽扩展和第二带宽扩展之和的带宽扩展。

2. 发明授权

US08233349B2 System for generating a beam of acoustic energy from a borehole, and applications thereof 有权
标题翻译：用于从钻孔产生声能束的系统及其应用
公开(公告)号：US08233349B2
公开(公告)日：2012-07-31
申请号：US12870440
申请日：2010-08-27
申请人： Cung Khac Vu , Dipen N. Sinha , Cristian Pantea , Kurt T. Nihei , Denis P. Schmitt , Christopher Skelt
发明人： Cung Khac Vu , Dipen N. Sinha , Cristian Pantea , Kurt T. Nihei , Denis P. Schmitt , Christopher Skelt
IPC分类号： G01V1/00 , H04B1/02
CPC分类号： G01V1/46
摘要： In some aspects of the invention, a device, positioned within a well bore, configured to generate and direct an acoustic beam into a rock formation around a borehole is disclosed. The device comprises a source configured to generate a first signal at a first frequency and a second signal at a second frequency; a transducer configured to receive the generated first and the second signals and produce acoustic waves at the first frequency and the second frequency; and a non-linear material, coupled to the transducer, configured to generate a collimated beam with a frequency equal to the difference between the first frequency and the second frequency by a non-linear mixing process, wherein the non-linear material includes one or more of a mixture of liquids, a solid, a granular material, embedded microspheres, or an emulsion.
摘要翻译：在本发明的一些方面，公开了一种定位在井眼内的装置，其被配置为产生并将声束引导到围绕钻孔的岩层中。该装置包括被配置为以第一频率产生第一信号的源和处于第二频率的第二信号; 被配置为接收产生的第一和第二信号并产生处于第一频率和第二频率的声波的换能器; 以及耦合到所述换能器的非线性材料，被配置为通过非线性混合过程产生具有等于所述第一频率和所述第二频率之间的差的频率的准直波束，其中所述非线性材料包括一个或更多的液体，固体，颗粒材料，嵌入的微球体或乳液的混合物。

3. 发明授权

US08547790B2 Device and method for generating a beam of acoustic energy from a borehole, and applications thereof 有权
标题翻译：用于从井眼产生声能束的装置和方法及其应用
公开(公告)号：US08547790B2
公开(公告)日：2013-10-01
申请号：US12793414
申请日：2010-06-03
申请人： Cung Khac Vu , Dipen N. Sinha , Cristian Pantea , Kurt T. Nihei , Denis P. Schmitt , Christopher Skelt
发明人： Cung Khac Vu , Dipen N. Sinha , Cristian Pantea , Kurt T. Nihei , Denis P. Schmitt , Christopher Skelt
IPC分类号： G01V1/00
CPC分类号： G01V1/00 , G01V1/006 , G01V1/46
摘要： 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 and the second frequency; and transmitting the collimated beam through a diverging acoustic lens to compensate for a refractive effect caused by the curvature of the borehole.
摘要翻译：在本发明的一些方面，公开了一种在钻孔中产生声能束的方法。该方法包括以第一频率产生第一声波; 在不同于所述第一频率的第二频率处产生第二声波，其中所述第一声波和第二声波由位于所述钻孔内的工具承载的至少一个换能器产生; 将第一和第二声波传输到声学非线性介质中，其中非线性介质的组成通过第一和第二声波的非线性混合产生准直波束，其中准直波束具有频率基于所述第一频率和所述第二频率之间的差; 并且通过发散的声透镜发送准直光束以补偿由钻孔的曲率引起的折射效应。

4. 发明申请

US20110080804A1 DEVICE AND METHOD FOR GENERATING A BEAM OF ACOUSTIC ENERGY FROM A BOREHOLE, AND APPLICATIONS THEREOF 有权
标题翻译：用于从井眼产生声能的光束的装置和方法及其应用
公开(公告)号：US20110080804A1
公开(公告)日：2011-04-07
申请号：US12793414
申请日：2010-06-03
申请人： Cung Khac Vu , Dipen N. Sinha , Cristian Pantea , Kurt T. Nihei , Denis P. Schmitt , Christopher Skelt
发明人： Cung Khac Vu , Dipen N. Sinha , Cristian Pantea , Kurt T. Nihei , Denis P. Schmitt , Christopher Skelt
IPC分类号： G01V1/44
CPC分类号： G01V1/00 , G01V1/006 , G01V1/46
摘要： 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 and the second frequency; and transmitting the collimated beam through a diverging acoustic lens to compensate for a refractive effect caused by the curvature of the borehole.
摘要翻译：在本发明的一些方面，公开了一种在钻孔中产生声能束的方法。该方法包括以第一频率产生第一声波; 在不同于所述第一频率的第二频率处产生第二声波，其中所述第一声波和第二声波由位于所述钻孔内的工具承载的至少一个换能器产生; 将第一和第二声波传输到声学非线性介质中，其中非线性介质的组成通过第一和第二声波的非线性混合产生准直波束，其中准直波束具有频率基于所述第一频率和所述第二频率之间的差; 并且通过发散的声透镜发送准直光束以补偿由钻孔的曲率引起的折射效应。

5. 发明授权

US08259530B2 System for generating a beam of acoustic energy from a borehole, and applications thereof 有权
公开(公告)号：US08259530B2
公开(公告)日：2012-09-04
申请号：US12870604
申请日：2010-08-27
申请人： Cung Khac Vu , Dipen N. Sinha , Cristian Pantea , Kurt T. Nihei , Denis P. Schmitt , Christopher Skelt
发明人： Cung Khac Vu , Dipen N. Sinha , Cristian Pantea , Kurt T. Nihei , Denis P. Schmitt , Christopher Skelt
IPC分类号： G01V1/00
CPC分类号： G01V1/46
摘要： In some aspects of the invention, a device, positioned within a well bore, configured to generate and direct an acoustic beam into a rock formation around a borehole is disclosed. The device comprises a source configured to generate a first signal at a first frequency and a second signal at a second frequency; a transducer configured to receive the generated first and the second signals and produce acoustic waves at the first frequency and the second frequency; and a non-linear material, coupled to the transducer, configured to generate a collimated beam with a frequency equal to the difference between the first frequency and the second frequency by a non-linear mixing process, wherein the non-linear material includes one or more of a mixture of liquids, a solid, a granular material, embedded microspheres, or an emulsion.

6. 发明申请

US20110080803A1 DEVICE AND METHOD FOR GENERATING A BEAM OF ACOUSTIC ENERGY FROM A BOREHOLE, AND APPLICATIONS THEREOF 有权
标题翻译：用于从井眼产生声能的光束的装置和方法及其应用
公开(公告)号：US20110080803A1
公开(公告)日：2011-04-07
申请号：US12793407
申请日：2010-06-03
申请人： Cung Khac Vu , Dipen N. Sinha , Cristian Pantea , Kurt T. Nihei , Denis P. Schmitt , Christopher Skelt
发明人： Cung Khac Vu , Dipen N. Sinha , Cristian Pantea , Kurt T. Nihei , Denis P. Schmitt , Christopher Skelt
IPC分类号： G01V1/46
CPC分类号： G01V1/00 , G01V1/006 , G01V1/46
摘要： 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.
摘要翻译：在本发明的一些方面，公开了一种在钻孔中产生声能束的方法。该方法包括以第一频率产生第一声波; 在不同于所述第一频率的第二频率处产生第二声波，其中所述第一声波和第二声波由位于所述钻孔内的工具承载的至少一个换能器产生; 将第一和第二声波传输到声学非线性介质中，其中非线性介质的组成通过第一和第二声波的非线性混合产生准直波束，其中准直波束具有频率基于所述第一频率范围和所述第二频率之间的差异，并且其中所述非线性介质具有在100m / s至800m / s之间的声速。

7. 发明申请

US20110080805A1 DEVICE AND METHOD FOR GENERATING A BEAM OF ACOUSTIC ENERGY FROM A BOREHOLE, AND APPLICATIONS THEREOF 有权
标题翻译：用于从井眼产生声能的光束的装置和方法及其应用
公开(公告)号：US20110080805A1
公开(公告)日：2011-04-07
申请号：US12793420
申请日：2010-06-03
申请人： Cung Khac Vu , Dipen N. Sinha , Cristian Pantea , Kurt T. Nihei , Denis P. Schmitt , Christopher Skelt
发明人： Cung Khac Vu , Dipen N. Sinha , Cristian Pantea , Kurt T. Nihei , Denis P. Schmitt , Christopher Skelt
IPC分类号： G01V1/48
CPC分类号： G01V1/46
摘要： 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 broad-band acoustic pulse at a first broad-band frequency range having a first central frequency and a first bandwidth spread; generating a second broad-band acoustic pulse at a second broad-band frequency range different than the first frequency range having a second central frequency and a second bandwidth spread, wherein the first acoustic pulse and second acoustic pulse are generated by at least one transducer arranged on a tool located within the borehole; and transmitting the first and the second broad-band acoustic pulses into an acoustically non-linear medium, wherein the composition of the non-linear medium produces a collimated pulse by a non-linear mixing of the first and second acoustic pulses, wherein the collimated pulse has a frequency equal to the difference in frequencies between the first central frequency and the second central frequency and a bandwidth spread equal to the sum of the first bandwidth spread and the second bandwidth spread.
摘要翻译：在本发明的一些方面，公开了一种在钻孔中产生声能束的方法。该方法包括：在具有第一中心频率和第一带宽扩展的第一宽带频率范围内产生第一宽带声波脉冲; 在与具有第二中心频率和第二带宽扩展的第一频率范围不同的第二宽带频率范围处产生第二宽带声波脉冲，其中所述第一声脉冲和第二声脉冲由至少一个换能器布置位于钻孔内的工具上; 以及将所述第一和第二宽带声脉冲发送到声学非线性介质中，其中所述非线性介质的组成通过所述第一和第二声学脉冲的非线性混合产生准直脉冲，其中所述准直脉冲的频率等于第一中心频率和第二中心频率之间的频率差，以及等于第一带宽扩展和第二带宽扩展之和的带宽扩展。

8. 发明授权

US08559269B2 Device and method for generating a beam of acoustic energy from a borehole, and applications thereof 有权
标题翻译：用于从井眼产生声能束的装置和方法及其应用
公开(公告)号：US08559269B2
公开(公告)日：2013-10-15
申请号：US12793407
申请日：2010-06-03
申请人： Cung Khac Vu , Dipen N. Sinha , Cristian Pantea , Kurt T. Nihei , Denis P. Schmitt , Chirstopher Skelt
发明人： Cung Khac Vu , Dipen N. Sinha , Cristian Pantea , Kurt T. Nihei , Denis P. Schmitt , Chirstopher Skelt
IPC分类号： G01V1/00
CPC分类号： G01V1/00 , G01V1/006 , G01V1/46
摘要： 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.
摘要翻译：在本发明的一些方面，公开了一种在钻孔中产生声能束的方法。该方法包括以第一频率产生第一声波; 在不同于所述第一频率的第二频率处产生第二声波，其中所述第一声波和第二声波由位于所述钻孔内的工具承载的至少一个换能器产生; 将第一和第二声波传输到声学非线性介质中，其中非线性介质的组成通过第一和第二声波的非线性混合产生准直波束，其中准直波束具有频率基于所述第一频率范围和所述第二频率之间的差异，并且其中所述非线性介质具有在100m / s至800m / s之间的声速。

9. 发明授权

US07839718B2 Device and method for generating a beam of acoustic energy from a borehole, and applications thereof 有权
标题翻译：用于从井眼产生声能束的装置和方法及其应用
公开(公告)号：US07839718B2
公开(公告)日：2010-11-23
申请号：US12166842
申请日：2008-07-02
申请人： Cung Khac Vu , Dipen N. Sinha , Cristian Pantea , Kurt Nihei , Denis P. Schmitt , Christopher Skelt
发明人： Cung Khac Vu , Dipen N. Sinha , Cristian Pantea , Kurt Nihei , Denis P. Schmitt , Christopher Skelt
IPC分类号： G01V1/38 , G01V1/40 , H04B1/02
CPC分类号： G01V1/46
摘要： In some aspects of the invention, a device, positioned within a well bore, configured to generate and direct an acoustic beam into a rock formation around a borehole is disclosed. The device comprises a source configured to generate a first signal at a first frequency and a second signal at a second frequency; a transducer configured to receive the generated first and the second signals and produce acoustic waves at the first frequency and the second frequency; and a non-linear material, coupled to the transducer, configured to generate a collimated beam with a frequency equal to the difference between the first frequency and the second frequency by a non-linear mixing process, wherein the non-linear material includes one or more of a mixture of liquids, a solid, a granular material, embedded microspheres, or an emulsion.
摘要翻译：在本发明的一些方面，公开了一种定位在井眼内的装置，其被配置为产生并将声束引导到围绕钻孔的岩层中。该装置包括被配置为以第一频率产生第一信号的源和处于第二频率的第二信号; 被配置为接收产生的第一和第二信号并产生处于第一频率和第二频率的声波的换能器; 以及耦合到所述换能器的非线性材料，被配置为通过非线性混合过程产生具有等于所述第一频率和所述第二频率之间的差的频率的准直束，其中所述非线性材料包括一个或更多的液体，固体，颗粒材料，嵌入的微球体或乳液的混合物。

10. 发明申请

US20100002540A1 DEVICE AND METHOD FOR GENERATING A BEAM OF ACOUSTIC ENERGY FROM ABOREHOLE, AND APPLICATION THEREOF 有权
标题翻译：用于生成来自上海的声学能量束的装置和方法及其应用
公开(公告)号：US20100002540A1
公开(公告)日：2010-01-07
申请号：US12166842
申请日：2008-07-02
申请人： Cung Khac VU , Dipen N. Sinha , Cristian Pantea , Kurt Nihei , Denis P. Schmitt , Christopher Skelt
发明人： Cung Khac VU , Dipen N. Sinha , Cristian Pantea , Kurt Nihei , Denis P. Schmitt , Christopher Skelt
IPC分类号： G01V1/40
CPC分类号： G01V1/46
摘要： In some aspects of the invention, a device, positioned within a well bore, configured to generate and direct an acoustic beam into a rock formation around a borehole is disclosed. The device comprises a source configured to generate a first signal at a first frequency and a second signal at a second frequency; a transducer configured to receive the generated first and the second signals and produce acoustic waves at the first frequency and the second frequency; and a non-linear material, coupled to the transducer, configured to generate a collimated beam with a frequency equal to the difference between the first frequency and the second frequency by a non-linear mixing process, wherein the non-linear material includes one or more of a mixture of liquids, a solid, a granular material, embedded microspheres, or an emulsion.
摘要翻译：在本发明的一些方面，公开了一种定位在井眼内的装置，其被配置为产生并将声束引导到围绕钻孔的岩层中。该装置包括被配置为以第一频率产生第一信号的源和处于第二频率的第二信号; 被配置为接收产生的第一和第二信号并产生处于第一频率和第二频率的声波的换能器; 以及耦合到所述换能器的非线性材料，被配置为通过非线性混合过程产生具有等于所述第一频率和所述第二频率之间的差的频率的准直波束，其中所述非线性材料包括一个或更多的液体，固体，颗粒材料，嵌入的微球体或乳液的混合物。

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