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11. 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。

12. 发明授权

US09110178B2 System and method for investigating sub-surface features of a rock formation with acoustic sources generating conical broadcast signals 有权
标题翻译：用于产生锥形广播信号的声源调查岩层的亚表面特征的系统和方法
公开(公告)号：US09110178B2
公开(公告)日：2015-08-18
申请号：US13292935
申请日：2011-11-09
申请人： Cung Khac Vu , Christopher Skelt , Kurt Nihei , Paul A. Johnson , Robert Guyer , James A. Ten Cate , Pierre-Yves Le Bas , Carène S. Larmat
发明人： Cung Khac Vu , Christopher Skelt , Kurt Nihei , Paul A. Johnson , Robert Guyer , James A. Ten Cate , Pierre-Yves Le Bas , Carène S. Larmat
IPC分类号： G01V1/40 , G01V1/44 , G01V1/00 , G01V1/50 , G01V1/46 , G10K15/02 , G01V1/52
CPC分类号： G01V1/006 , G01V1/44 , G01V1/46 , G01V1/50 , G01V1/52 , G01V2210/125 , G01V2210/127 , G01V2210/588 , G10K15/02
摘要： A method of interrogating a formation includes generating a conical acoustic signal, at a first frequency—a second conical acoustic signal at a second frequency each in the between approximately 500 Hz and 500 kHz such that the signals intersect in a desired intersection volume outside the borehole. The method further includes receiving, a difference signal returning to the borehole resulting from a non-linear mixing of the signals in a mixing zone within the intersection volume.
摘要翻译：询问地层的方法包括以第一频率产生锥形声信号 - 第二频率处于大约500Hz和500kHz之间的第二频率的第二锥形声信号，使得信号在钻孔外的期望的相交体积中相交。该方法还包括接收由相交体积内的混合区域中的信号的非线性混合而返回到钻孔的差分信号。

13. 发明授权

US09453926B2 System and method for investigating sub-surface features of a rock formation using compressional acoustic sources 有权
标题翻译：使用压缩声源调查岩层的亚表面特征的系统和方法
公开(公告)号：US09453926B2
公开(公告)日：2016-09-27
申请号：US13292908
申请日：2011-11-09
申请人： Cung Khac Vu , Christopher Skelt , Kurt Nihei , Paul A. Johnson , Robert Guyer , James A. Ten Cate , Pierre-Yves Le Bas , Carène S. Larmat
发明人： Cung Khac Vu , Christopher Skelt , Kurt Nihei , Paul A. Johnson , Robert Guyer , James A. Ten Cate , Pierre-Yves Le Bas , Carène S. Larmat
IPC分类号： G01V1/40 , G01V1/44 , G01V1/00 , G01V1/50 , G01V1/46 , G10K15/02 , G01V1/52
CPC分类号： G01V1/006 , G01V1/44 , G01V1/46 , G01V1/50 , G01V1/52 , G01V2210/125 , G01V2210/127 , G01V2210/588 , G10K15/02
摘要： A system and method for investigating rock formations outside a borehole are provided. The method includes generating a first compressional acoustic wave at a first frequency by a first acoustic source; and generating a second compressional acoustic wave at a second frequency by a second acoustic source. The first and the second acoustic sources are arranged within a localized area of the borehole. The first and the second acoustic waves intersect in an intersection volume outside the borehole. The method further includes receiving a third shear acoustic wave at a third frequency, the third shear acoustic wave returning to the borehole due to a non-linear mixing process in a non-linear mixing zone within the intersection volume at a receiver arranged in the borehole. The third frequency is equal to a difference between the first frequency and the second frequency.
摘要翻译：提供了一种用于调查井眼外岩层的系统和方法。该方法包括通过第一声源产生第一频率的第一压缩声波; 以及通过第二声源产生第二频率的第二压缩声波。第一和第二声源被布置在钻孔的局部区域内。第一和第二声波在钻孔外的交叉口中相交。该方法还包括以第三频率接收第三剪切声波，由于在布置在钻孔中的接收器的相交体积内的非线性混合区域中由于非线性混合过程而返回到钻孔的第三剪切声波。第三频率等于第一频率和第二频率之间的差。

14. 发明申请

US20120120761A1 INTEGRATED SYSTEM FOR INVESTIGATING SUB-SURFACE FEATURES OF A ROCK FORMATION 有权
标题翻译：用于调查岩层的表面特征的综合系统
公开(公告)号：US20120120761A1
公开(公告)日：2012-05-17
申请号：US13292941
申请日：2011-11-09
申请人： Cung Khac VU , Christopher Skelt , Kurt Nihei , Paul A. Johnson , Robert Guyer , James A. Ten Cate , Pierre-Yves Le Bas , Carène S. Larmat
发明人： Cung Khac VU , Christopher Skelt , Kurt Nihei , Paul A. Johnson , Robert Guyer , James A. Ten Cate , Pierre-Yves Le Bas , Carène S. Larmat
IPC分类号： G01V1/00
CPC分类号： G01V1/006 , G01V1/44 , G01V1/46 , G01V1/50 , G01V1/52 , G01V2210/125 , G01V2210/127 , G01V2210/588 , G10K15/02
摘要： A system for investigating non-linear properties of a rock formation around a borehole is provided. The system includes a first sub-system configured to perform data acquisition, control and recording of data; a second subsystem in communication with the first sub-system and configured to perform non-linearity and velocity preliminary imaging; a third subsystem in communication with the first subsystem and configured to emit controlled acoustic broadcasts and receive acoustic energy; a fourth subsystem in communication with the first subsystem and the third subsystem and configured to generate a source signal directed towards the rock formation; and a fifth subsystem in communication with the third subsystem and the fourth subsystem and configured to perform detection of signals representative of the non-linear properties of the rock formation.
摘要翻译：提供了一种用于调查钻孔周围的岩层的非线性特性的系统。该系统包括被配置为执行数据采集，控制和记录数据的第一子系统; 与所述第一子系统通信并被配置为执行非线性和速度初步成像的第二子系统; 与所述第一子系统通信并被配置为发射受控的声频广播并接收声能的第三子系统; 与所述第一子系统和所述第三子系统通信的第四子系统，并且被配置为生成指向所述岩层的源信号; 以及与第三子系统和第四子系统通信的第五子系统，并且被配置为执行表示岩层的非线性特性的信号的检测。

15. 发明授权

US09110179B2 Integrated system for investigating sub-surface features of a rock formation 有权
标题翻译：用于调查岩层的亚表面特征的综合系统
公开(公告)号：US09110179B2
公开(公告)日：2015-08-18
申请号：US13292941
申请日：2011-11-09
申请人： Cung Khac Vu , Christopher Skelt , Kurt Nihei , Paul A. Johnson , Robert Guyer , James A. Ten Cate , Pierre-Yves Le Bas , Carène S. Larmat
发明人： Cung Khac Vu , Christopher Skelt , Kurt Nihei , Paul A. Johnson , Robert Guyer , James A. Ten Cate , Pierre-Yves Le Bas , Carène S. Larmat
IPC分类号： G01V1/44 , G01V1/46 , G01V1/50 , G01V1/00 , G10K15/02 , G01V1/52
CPC分类号： G01V1/006 , G01V1/44 , G01V1/46 , G01V1/50 , G01V1/52 , G01V2210/125 , G01V2210/127 , G01V2210/588 , G10K15/02
摘要： A system for investigating non-linear properties of a rock formation around a borehole is provided. The system includes a first sub-system configured to perform data acquisition, control and recording of data; a second subsystem in communication with the first sub-system and configured to perform non-linearity and velocity preliminary imaging; a third subsystem in communication with the first subsystem and configured to emit controlled acoustic broadcasts and receive acoustic energy; a fourth subsystem in communication with the first subsystem and the third subsystem and configured to generate a source signal directed towards the rock formation; and a fifth subsystem in communication with the third subsystem and the fourth subsystem and configured to perform detection of signals representative of the non-linear properties of the rock formation.
摘要翻译：提供了一种用于调查钻孔周围的岩层的非线性特性的系统。该系统包括被配置为执行数据采集，控制和记录数据的第一子系统; 与所述第一子系统通信并被配置为执行非线性和速度初步成像的第二子系统; 与所述第一子系统通信并被配置为发射受控的声频广播并接收声能的第三子系统; 与所述第一子系统和所述第三子系统通信的第四子系统，并且被配置为生成指向所述岩层的源信号; 以及与第三子系统和第四子系统通信的第五子系统，并且被配置为执行表示岩层的非线性特性的信号的检测。

16. 发明授权

US09046620B2 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 有权
标题翻译：用于研究岩层的非线性特性，压缩速度VP，剪切速度VS和速度比VP / VS的子表面特征和3D成像的系统和方法
公开(公告)号：US09046620B2
公开(公告)日：2015-06-02
申请号：US13292929
申请日：2011-11-09
申请人： Cung Khac Vu , Christopher Skelt , Kurt Nihei , Paul A. Johnson , Robert Guyer , James A. Ten Cate , Pierre-Yves Le Bas , Carène S. Larmat
发明人： Cung Khac Vu , Christopher Skelt , Kurt Nihei , Paul A. Johnson , Robert Guyer , James A. Ten Cate , Pierre-Yves Le Bas , Carène S. Larmat
IPC分类号： G01V1/52 , G01V1/50 , G01V1/46 , G01V1/00 , G01V1/44 , G10K15/02
CPC分类号： G01V1/006 , G01V1/44 , G01V1/46 , G01V1/50 , G01V1/52 , G01V2210/125 , G01V2210/127 , G01V2210/588 , G10K15/02
摘要： 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.
摘要翻译：提供了一种用于产生岩层的三维图像，压缩速度VP，剪切速度VS和岩层速度比VP / VS的系统和方法。第一声信号包括第一多个脉冲。来自第二源的第二声信号包括第二多个脉冲。返回到钻孔的检测信号包括在交叉点体积内的非线性混合区域中的来自第一和第二声信号的非线性混合处理产生的信号。处理接收到的信号以通过由线性相互作用产生的噪声和/或信号提取信号，并生成三维图像。

17. 发明申请

US20120120765A1 SYSTEM AND METHOD FOR INVESTIGATING SUB-SURFACE FEATURES OF A ROCK FORMATION WITH ACOUSTIC SOURCES GENERATING CONICAL BROADCAST SIGNALS 有权
标题翻译：用于生成环形广播信号的声音源形成岩层的表面特征的系统和方法
公开(公告)号：US20120120765A1
公开(公告)日：2012-05-17
申请号：US13292935
申请日：2011-11-09
申请人： Cung Khac VU , Christopher Skelt , Kurt Nihei , Paul A. Johnson , Robert Guyer , James A. Ten Cate , Pierre-Yves Le Bas , Carène S. Larmat
发明人： Cung Khac VU , Christopher Skelt , Kurt Nihei , Paul A. Johnson , Robert Guyer , James A. Ten Cate , Pierre-Yves Le Bas , Carène S. Larmat
IPC分类号： G01V1/00
CPC分类号： G01V1/006 , G01V1/44 , G01V1/46 , G01V1/50 , G01V1/52 , G01V2210/125 , G01V2210/127 , G01V2210/588 , G10K15/02
摘要： A method of interrogating a formation includes generating a conical acoustic signal, at a first frequency—a second conical acoustic signal at a second frequency each in the between approximately 500 Hz and 500 kHz such that the signals intersect in a desired intersection volume outside the borehole. The method further includes receiving, a difference signal returning to the borehole resulting from a non-linear mixing of the signals in a mixing zone within the intersection volume.
摘要翻译：询问地层的方法包括以第一频率产生锥形声信号 - 第二频率处于大约500Hz和500kHz之间的第二频率的第二锥形声信号，使得信号在钻孔外的期望的相交体积中相交。该方法还包括接收由相交体积内的混合区域中的信号的非线性混合而返回到钻孔的差分信号。

18. 发明授权

US08116167B2 Method and 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方法和系统及其应用
公开(公告)号：US08116167B2
公开(公告)日：2012-02-14
申请号：US12137980
申请日：2008-06-12
申请人： Paul A. Johnson , James A. Ten Cate , Robert Guyer , Pierre-Yves Le Bas , Cung Vu , Kurt Nihei , Denis P. Schmitt , Christopher Skelt
发明人： Paul A. Johnson , James A. Ten Cate , Robert Guyer , Pierre-Yves Le Bas , Cung Vu , Kurt Nihei , Denis P. Schmitt , Christopher Skelt
IPC分类号： G01V1/50 , G01V1/44
CPC分类号： G01V1/46
摘要： A compact array of transducers is employed as a downhole instrument for acoustic investigation of the surrounding rock formation. The array is operable to generate simultaneously a first acoustic beam signal at a first frequency and a second acoustic beam signal at a second frequency different than the first frequency. These two signals can be oriented through an azimuthal rotation of the array and an inclination rotation using control of the relative phases of the signals from the transmitter elements or electromechanical linkage. Due to the non-linearity of the formation, the first and the second acoustic beam signal mix into the rock formation where they combine into a collimated third signal that propagates in the formation along the same direction than the first and second signals and has a frequency equal to the difference of the first and the second acoustic signals. The third signal is received either within the same borehole, after reflection, or another borehole, after transmission, and analyzed to determine information about rock formation. Recording of the third signal generated along several azimuthal and inclination directions also provides 3D images of the formation, information about 3D distribution of rock formation and fluid properties and an indication of the dynamic acoustic non-linearity of the formation.
摘要翻译：传感器的紧凑阵列被用作井下仪器，用于对周围岩层进行声学研究。阵列可操作以同时产生第一频率处的第一声波束信号和以与第一频率不同的第二频率的第二声束信号。这两个信号可以通过阵列的方位角旋转定向，并且通过使用来自发射器元件或机电连杆的信号的相对相位的控制来定位倾斜旋转。由于形成的非线性，第一和第二声束信号混合到岩层中，在那里它们组合成沿着与第一和第二信号相同的方向在地层中传播的准直的第三信号，并且具有频率等于第一和第二声信号的差。第三个信号在相同的钻孔，反射后或另一个钻孔中，在传输之后被接收并且被分析以确定关于岩层的信息。沿着几个方位和倾斜方向产生的第三信号的记录还提供了地层的3D图像，关于岩层的3D分布和流体性质的信息以及地层的动态声学非线性的指示。

19. 发明申请

US20090310441A1 METHOD AND SYSTEM FOR GENERATING A BEAM OF ACOUSTIC ENERGY FROM A BOREHOLE, AND APPLICATIONS THEREOF 有权
标题翻译：用于从井眼产生声波能量的方法和系统及其应用
公开(公告)号：US20090310441A1
公开(公告)日：2009-12-17
申请号：US12137980
申请日：2008-06-12
申请人： Paul A. JOHNSON , James A. Ten Cate , Robert Guyer , Pierre-Yves Le Bas , Cung Vu , Kurt Nihei , Denis P. Schmitt , Christopher Skelt
发明人： Paul A. JOHNSON , James A. Ten Cate , Robert Guyer , Pierre-Yves Le Bas , Cung Vu , Kurt Nihei , Denis P. Schmitt , Christopher Skelt
IPC分类号： G01V1/44
CPC分类号： G01V1/46
摘要： A compact array of transducers is employed as a downhole instrument for acoustic investigation of the surrounding rock formation. The array is operable to generate simultaneously a first acoustic beam signal at a first frequency and a second acoustic beam signal at a second frequency different than the first frequency. These two signals can be oriented through an azimuthal rotation of the array and an inclination rotation using control of the relative phases of the signals from the transmitter elements or electromechanical linkage. Due to the non-linearity of the formation, the first and the second acoustic beam signal mix into the rock formation where they combine into a collimated third signal that propagates in the formation along the same direction than the first and second signals and has a frequency equal to the difference of the first and the second acoustic signals. The third signal is received either within the same borehole, after reflection, or another borehole, after transmission, and analyzed to determine information about rock formation. Recording of the third signal generated along several azimuthal and inclination directions also provides 3D images of the formation, information about 3D distribution of rock formation and fluid properties and an indication of the dynamic acoustic non-linearity of the formation.
摘要翻译：传感器的紧凑阵列被用作井下仪器，用于对周围岩层进行声学研究。阵列可操作以同时产生第一频率处的第一声波束信号和以与第一频率不同的第二频率的第二声束信号。这两个信号可以通过阵列的方位角旋转定向，并且通过使用来自发射器元件或机电连杆的信号的相对相位的控制来定位倾斜旋转。由于形成的非线性，第一和第二声束信号混合到岩层中，在那里它们组合成沿着与第一和第二信号相同的方向在地层中传播的准直的第三信号，并且具有频率等于第一和第二声信号的差。第三个信号在相同的钻孔，反射后或另一个钻孔中，在传输之后被接收并且被分析以确定关于岩层的信息。沿着几个方位和倾斜方向产生的第三信号的记录还提供了地层的3D图像，关于岩层的3D分布和流体性质的信息以及地层的动态声学非线性的指示。

20. 发明授权

US08553495B2 Device and method for imaging of non-linear and linear properties of formations surrounding a borehole 有权
标题翻译：用于对围绕钻孔的地层的非线性和线性特性进行成像的装置和方法
公开(公告)号：US08553495B2
公开(公告)日：2013-10-08
申请号：US12893573
申请日：2010-09-29
申请人： Paul A. Johnson , James A. Tencate , Pierre-Yves Le Bas , Robert Guyer , Cung Khac Vu , Christopher Skelt
发明人： Paul A. Johnson , James A. Tencate , Pierre-Yves Le Bas , Robert Guyer , Cung Khac Vu , Christopher Skelt
IPC分类号： G01V1/50 , G01V1/40
CPC分类号： G01V1/46
摘要： In some aspects of the disclosure, a method and an apparatus is disclosed for investigating material surrounding the borehole. The method includes generating within a borehole an intermittent low frequency vibration that propagates as a tube wave longitudinally to the borehole and induces a nonlinear response in one or more features in the material that are substantially perpendicular to a longitudinal axis of the borehole; generating within the borehole a sequence of high frequency pulses directed such that they travel longitudinally to the borehole within the surrounding material; and receiving, at one or more receivers positionable in the borehole, a signal that includes components from the low frequency vibration and the sequence of high frequency pulses during intermittent generation of the low frequency vibration, to investigate the material surrounding the borehole.
摘要翻译：在本公开的一些方面，公开了一种用于调查围绕钻孔的材料的方法和装置。该方法包括在钻孔内产生间歇性低频振动，其以管波纵向传播到钻孔，并且在基本上垂直于钻孔的纵向轴线的材料中的一个或多个特征中引起非线性响应; 在钻孔内产生一系列高频脉冲，其指向使得它们纵向移动到周围材料内的钻孔; 并且在位于钻孔中的一个或多个接收器处接收在低频振动的间歇期间包括来自低频振动和高频脉冲序列的分量的信号，以研究钻孔周围的材料。

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