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1. 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。

2. 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。

3. 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。

4. 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。

5. 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。

6. 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。

7. 发明授权

US09223039B2 System and method for generating micro-seismic events and characterizing properties of a medium with non-linear acoustic interactions 有权
标题翻译：用于产生微地震事件和表征具有非线性声学相互作用的介质的性质的系统和方法
公开(公告)号：US09223039B2
公开(公告)日：2015-12-29
申请号：US13292948
申请日：2011-11-09
申请人： Cung Khac Vu , Kurt Nihei , Paul A. Johnson , Robert Guyer , James A. Ten Cate , Pierre-Yves Le Bas , Carène S. Larmat
发明人： Cung Khac Vu , Kurt Nihei , Paul A. Johnson , Robert Guyer , James A. Ten Cate , Pierre-Yves Le Bas , Carène S. Larmat
IPC分类号： G01V1/00 , G01V1/44 , 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 and system includes generating a first coded acoustic signal including pulses each having a modulated signal at a central frequency; and a second coded acoustic signal each pulse of which includes a modulated signal a central frequency of which is a fraction d of the central frequency of the modulated signal for the corresponding pulse in the first plurality of pulses. A receiver detects a third signal generated by a non-linear mixing process in the mixing zone and the signal is processed to extract the third signal to obtain an emulated micro-seismic event signal occurring at the mixing zone; and to characterize properties of the medium or creating a 3D image of the properties of the medium, or both, based on the emulated micro-seismic event signal.
摘要翻译：一种方法和系统包括：生成包括脉冲的第一编码声信号，每个脉冲具有中心频率的调制信号; 以及第二编码声信号，其每个脉冲包括调制信号，其中心频率是第一多个脉冲中对应脉冲的调制信号的中心频率的分数d。接收机检测在混合区域中通过非线性混合处理产生的第三信号，并且处理信号以提取第三信号以获得在混合区域发生的仿真微地震事件信号; 并且基于仿真的微地震事件信号来表征介质的属性或者创建介质的属性或二者的3D图像。

8. 发明授权

US08923092B2 System and method for investigating sub-surface features of a rock formation with acoustic sources generating coded signals 有权
标题翻译：用于产生编码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：US08923092B2
公开(公告)日：2014-12-30
申请号：US13292915
申请日：2011-11-09
申请人： Cung Khac Vu , Kurt Nihei , Paul A. Johnson , Robert Guyer , James A. Ten Cate , Pierre-Yves Le Bas , Carène S. Larmat
发明人： Cung Khac Vu , Kurt Nihei , Paul A. Johnson , Robert Guyer , James A. Ten Cate , Pierre-Yves Le Bas , Carène S. Larmat
IPC分类号： G01V1/44 , G01V1/52 , G01V1/00 , G01V1/46 , 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 investigating rock formations includes generating, by a first acoustic source, a first acoustic signal comprising a first plurality of pulses, each pulse including a first modulated signal at a central frequency; and generating, by a second acoustic source, a second acoustic signal comprising a second plurality of pulses. A receiver arranged within the borehole receives a detected signal including a signal being generated by a non-linear mixing process from the first-and-second acoustic signal in a non-linear mixing zone within the intersection volume. The method also includes-processing the received signal to extract the signal generated by the non-linear mixing process over noise or over signals generated by a linear interaction process, or both.
摘要翻译：用于研究岩层的系统和方法包括通过第一声源产生包括第一多个脉冲的第一声信号，每个脉冲包括中心频率的第一调制信号; 以及由第二声源产生包括第二多个脉冲的第二声信号。布置在钻孔内的接收器在相交体积内的非线性混合区域中接收包括由非线性混合处理产生的信号的检测信号，来自第一和第二声学信号。该方法还包括处理接收的信号以提取由非线性混合过程产生的信号，通过噪声或由线性相互作用过程产生的过度信号，或两者。

9. 发明授权

US08942063B2 Data acquisition and processing system and method for investigating sub-surface features of a rock formation 有权
标题翻译：数据采集和处理系统及方法，用于研究岩层的亚表面特征
公开(公告)号：US08942063B2
公开(公告)日：2015-01-27
申请号：US13292924
申请日：2011-11-09
申请人： Cung Khac Vu , Kurt Nihei , Paul A. Johnson , Robert Guyer , James A. Ten Cate , Pierre-Yves Le Bas , Caréne S. Larmat
发明人： Cung Khac Vu , Kurt Nihei , Paul A. Johnson , Robert Guyer , James A. Ten Cate , Pierre-Yves Le Bas , Caréne S. Larmat
IPC分类号： G01V1/44 , G01V1/50 , G01V1/00 , G01V1/46 , G01V1/52 , 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 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.
摘要翻译：系统和方法包括以第一频率产生第一信号; 和第二频率的第二信号。相应的源位于钻孔内并且可控制，使得信号在钻孔外部的交叉口中相交。接收机检测在相交体积内由非线性混合处理产生的返回到钻孔的差信号，并记录检测信号并将检测信号存储在存储装置中，并记录包括第一声源的位置的测量参数，第二声源的位置，接收器的位置，第一声信号的仰角和方位角以及第二声信号的仰角和方位角。

10. 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。

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