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1. 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。

2. 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.

3. 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。

4. 发明申请

US20100265795A1 SYSTEM AND METHOD TO CREATE THREE-DIMENSIONAL IMAGES OF NON-LINEAR ACOUSTIC PROPERTIES IN A REGION REMOTE FROM A BOREHOLE 有权
标题翻译：系统和方法创建一个距离一个地层的一个地区的非线性声学特性的三维图像
公开(公告)号：US20100265795A1
公开(公告)日：2010-10-21
申请号：US12463802
申请日：2009-05-11
申请人： Paul A. Johnson , Cung Vu , James A. TenCate , Robert Guyer , Pierre-Yves Le Bas , Kurt T. Nihei , Denis P. Schmitt , Christopher Skelt
发明人： Paul A. Johnson , Cung Vu , James A. TenCate , Robert Guyer , Pierre-Yves Le Bas , Kurt T. Nihei , Denis P. Schmitt , Christopher Skelt
IPC分类号： G01V1/48
CPC分类号： G01V1/44 , G01V1/006 , G01V2210/125 , G01V2210/127 , G01V2210/588
摘要： In some aspects of the disclosure, a method for creating three-dimensional images of non-linear properties and the compressional to shear velocity ratio in a region remote from a borehole using a conveyed logging tool is disclosed. In some aspects, the method includes arranging a first source in the borehole and generating a steered beam of elastic energy at a first frequency; arranging a second source in the borehole and generating a steerable beam of elastic energy at a second frequency, such that the steerable beam at the first frequency and the steerable beam at the second frequency intercept at a location away from the borehole; receiving at the borehole by a sensor a third elastic wave, created by a three wave mixing process, with a frequency equal to a difference between the first and second frequencies and a direction of propagation towards the borehole; determining a location of a three wave mixing region based on the arrangement of the first and second sources and on properties of the third wave signal; and creating three-dimensional images of the non-linear properties using data recorded by repeating the generating, receiving and determining at a plurality of azimuths, inclinations and longitudinal locations within the borehole. The method is additionally used to generate three dimensional images of the ratio of compressional to shear acoustic velocity of the same volume surrounding the borehole.
摘要翻译：在本公开的一些方面，公开了一种用于使用输送的测井工具在远离钻孔的区域中创建非线性特性的三维图像和压缩剪切速度比的方法。在一些方面，该方法包括在钻孔中布置第一源并且以第一频率产生具有弹性能的转向束; 在钻孔中布置第二源，并在第二频率处产生可转向的弹性能量束，使得在第一频率处的可转向波束和第二频率处的可操纵波束在远离钻孔的位置处截取; 在钻孔处由传感器接收由三波混合过程产生的第三弹性波，其频率等于第一和第二频率之间的差异以及朝向钻孔传播的方向; 基于第一和第二源的布置以及第三波信号的特性来确定三波混频区域的位置; 以及使用通过重复生成，接收和确定钻孔内的多个方位角，倾斜度和纵向位置而记录的数据来创建非线性性质的三维图像。该方法另外用于产生围绕钻孔的相同体积的压缩与剪切声速之比的三维图像。

5. 发明授权

US08289808B2 System and method to estimate compressional to shear velocity (VP/VS) ratio in a region remote from a borehole 有权
标题翻译：估计远离钻孔的区域的压缩剪切速度（VP / VS）比的系统和方法
公开(公告)号：US08289808B2
公开(公告)日：2012-10-16
申请号：US12463796
申请日：2009-05-11
申请人： Cung Vu , Kurt T. Nihei , Denis P. Schmitt , Christopher Skelt , Paul A. Johnson , Robert Guyer , James A. TenCate , Pierre-Yves Le Bas
发明人： Cung Vu , Kurt T. Nihei , Denis P. Schmitt , Christopher Skelt , Paul A. Johnson , Robert Guyer , James A. TenCate , Pierre-Yves Le Bas
IPC分类号： G01V1/00
CPC分类号： G01V1/44 , G01V1/006 , G01V2210/125 , G01V2210/127 , G01V2210/588
摘要： In some aspects of the disclosure, a method for creating three-dimensional images of non-linear properties and the compressional to shear velocity ratio in a region remote from a borehole using a conveyed logging tool is disclosed. In some aspects, the method includes arranging a first source in the borehole and generating a steered beam of elastic energy at a first frequency; arranging a second source in the borehole and generating a steerable beam of elastic energy at a second frequency, such that the steerable beam at the first frequency and the steerable beam at the second frequency intercept at a location away from the borehole; receiving at the borehole by a sensor a third elastic wave, created by a three wave mixing process, with a frequency equal to a difference between the first and second frequencies and a direction of propagation towards the borehole; determining a location of a three wave mixing region based on the arrangement of the first and second sources and on properties of the third wave signal; and creating three-dimensional images of the non-linear properties using data recorded by repeating the generating, receiving and determining at a plurality of azimuths, inclinations and longitudinal locations within the borehole. The method is additionally used to generate three dimensional images of the ratio of compressional to shear acoustic velocity of the same volume surrounding the borehole.
摘要翻译：在本公开的一些方面，公开了一种用于使用输送的测井工具在远离钻孔的区域中创建非线性特性的三维图像和压缩剪切速度比的方法。在一些方面，该方法包括在钻孔中布置第一源并且以第一频率产生具有弹性能的转向束; 在钻孔中布置第二源，并在第二频率处产生可转向的弹性能量束，使得在第一频率处的可转向波束和第二频率处的可操纵波束在远离钻孔的位置处截取; 在钻孔处由传感器接收由三波混合过程产生的第三弹性波，其频率等于第一和第二频率之间的差异以及朝向钻孔传播的方向; 基于第一和第二源的布置以及第三波信号的特性来确定三波混频区域的位置; 以及使用通过重复生成，接收和确定钻孔内的多个方位角，倾斜度和纵向位置而记录的数据来创建非线性性质的三维图像。该方法另外用于产生围绕钻孔的相同体积的压缩与剪切声速之比的三维图像。

6. 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。

7. 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。

8. 发明授权

US6108606A Waveguide disturbance detection method 失效
标题翻译：波导干扰检测方法
公开(公告)号：US6108606A
公开(公告)日：2000-08-22
申请号：US929955
申请日：1997-09-15
申请人： Valeri A. Korneev , Kurt T. Nihei , Larry R. Myer
发明人： Valeri A. Korneev , Kurt T. Nihei , Larry R. Myer
IPC分类号： G01V1/42 , G01V3/30
CPC分类号： G01V1/42 , G01V3/30
摘要： A method for detection of a disturbance in a waveguide comprising transmitting a wavefield having symmetric and antisymmetric components from a horizontally and/or vertically polarized source and/or pressure source disposed symmetrically with respect to the longitudinal central axis of the waveguide at one end of the waveguide, recording the horizontal and/or vertical component or a pressure of the wavefield with a vertical array of receivers disposed at the opposite end of the waveguide, separating the wavenumber transform of the wavefield into the symmetric and antisymmetric components, integrating the symmetric and antisymmetric components over a broad frequency range, and comparing the magnitude of the symmetric components and the antisymmetric components to an expected magnitude for the symmetric components and the antisymmetric components for a waveguide of uniform thickness and properties thereby determining whether or not a disturbance is present inside the waveguide.
摘要翻译：一种用于检测波导中的干扰的方法，包括从水平和/或垂直偏振的源极和/或垂直极化的源极和/或压力源发射具有对称和反对称分量的波场，所述波场相对于波导的纵向中心轴对称设置在波导的一端波导，用设置在波导的相对端的接收器的垂直阵列记录波场的水平和/或垂直分量或压力，将波场的波数变换分离成对称和反对称分量，整合对称和反对称分量，并且将对称分量和反对称分量的大小与用于均匀厚度和性质的波导的对称分量和反对称分量的预期幅度进行比较，从而确定是否存在干扰在波导。

9. 发明授权

US08345509B2 System and method to create three-dimensional images of non-linear acoustic properties in a region remote from a borehole 有权
标题翻译：在远离钻孔的区域中产生非线性声学特性的三维图像的系统和方法
公开(公告)号：US08345509B2
公开(公告)日：2013-01-01
申请号：US12463802
申请日：2009-05-11
申请人： Cung Vu , Kurt T. Nihei , Denis P. Schmitt , Christopher Skelt , Paul A. Johnson , Robert Guyer , James A. TenCate , Pierre-Yves Le Bas
发明人： Cung Vu , Kurt T. Nihei , Denis P. Schmitt , Christopher Skelt , Paul A. Johnson , Robert Guyer , James A. TenCate , Pierre-Yves Le Bas
IPC分类号： G01V1/44 , G01V1/50 , G01S1/72
CPC分类号： G01V1/44 , G01V1/006 , G01V2210/125 , G01V2210/127 , G01V2210/588
摘要： In some aspects of the disclosure, a method for creating three-dimensional images of non-linear properties and the compressional to shear velocity ratio in a region remote from a borehole using a conveyed logging tool is disclosed. In some aspects, the method includes arranging a first source in the borehole and generating a steered beam of elastic energy at a first frequency; arranging a second source in the borehole and generating a steerable beam of elastic energy at a second frequency, such that the steerable beam at the first frequency and the steerable beam at the second frequency intercept at a location away from the borehole; receiving at the borehole by a sensor a third elastic wave, created by a three wave mixing process, with a frequency equal to a difference between the first and second frequencies and a direction of propagation towards the borehole; determining a location of a three wave mixing region based on the arrangement of the first and second sources and on properties of the third wave signal; and creating three-dimensional images of the non-linear properties using data recorded by repeating the generating, receiving and determining at a plurality of azimuths, inclinations and longitudinal locations within the borehole. The method is additionally used to generate three dimensional images of the ratio of compressional to shear acoustic velocity of the same volume surrounding the borehole.
摘要翻译：在本公开的一些方面，公开了一种用于使用输送的测井工具在远离钻孔的区域中创建非线性特性的三维图像和压缩剪切速度比的方法。在一些方面，该方法包括在钻孔中布置第一源并且以第一频率产生具有弹性能的转向束; 在钻孔中布置第二源，并在第二频率处产生可转向的弹性能量束，使得在第一频率处的可转向波束和第二频率处的可操纵波束在远离钻孔的位置处截取; 在钻孔处由传感器接收由三波混合过程产生的第三弹性波，其频率等于第一和第二频率之间的差异以及朝向钻孔传播的方向; 基于第一和第二源的布置以及第三波信号的特性来确定三波混频区域的位置; 以及使用通过重复生成，接收和确定钻孔内的多个方位角，倾斜度和纵向位置而记录的数据来创建非线性性质的三维图像。该方法另外用于产生围绕钻孔的相同体积的压缩与剪切声速之比的三维图像。

10. 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。

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