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11. 发明授权

US09103944B2 System and method for sonic wave measurements using an acoustic beam source 有权
标题翻译：使用声束源进行声波测量的系统和方法
公开(公告)号：US09103944B2
公开(公告)日：2015-08-11
申请号：US13836611
申请日：2013-03-15
申请人： Cung Khac Vu , Dipen N. Sinha , Cristian Pantea
发明人： Cung Khac Vu , Dipen N. Sinha , Cristian Pantea
IPC分类号： G01V1/38 , G01V1/50 , E21B47/00 , G01V1/42 , B06B1/06 , H04R17/00
CPC分类号： G01V1/50 , B06B1/0688 , E21B47/0005 , G01V1/40 , G01V1/42 , H04R17/00
摘要： A method and system for investigating structure near a borehole are described herein. The method includes generating an acoustic beam by an acoustic source; directing at one or more azimuthal angles the acoustic beam towards a selected location in a vicinity of a borehole; receiving at one or more receivers an acoustic signal, the acoustic signal originating from a reflection or a refraction of the acoustic wave by a material at the selected location; and analyzing the received acoustic signal to characterize features of the material around the borehole.
摘要翻译：本文描述了用于研究钻孔附近的结构的方法和系统。该方法包括通过声源产生声束; 以一个或多个方位角将声束朝着钻孔附近的选定位置引导; 在一个或多个接收机处接收声信号，所述声信号源自所述选定位置处的材料的声波的反射或折射; 并且分析接收到的声信号以表征钻孔周围的材料的特征。

12. 发明申请

US20110096622A1 Acoustic imaging of objects in optically opaque fluids 审中-公开
标题翻译：光学不透明液体中物体的声学成像
公开(公告)号：US20110096622A1
公开(公告)日：2011-04-28
申请号：US12925658
申请日：2010-10-26
申请人： Dipen N. Sinha , Cristian Pantea , Curtis F. Osterhoudt
发明人： Dipen N. Sinha , Cristian Pantea , Curtis F. Osterhoudt
IPC分类号： G03B42/06
CPC分类号： G03B42/06 , G01S15/8913 , G01S15/8934 , G01S15/895
摘要： The present invention is a method and an apparatus that can image objects immersed in optically opaque fluids using ultrasound in a confined space and in a harsh environment. If the fluid is not highly attenuating at frequencies above 1 MHz, where commercial ultrasound scanners are available, such scanners can be adapted for imaging in these fluids. In the case of highly attenuating fluids, such as drilling mud, then a low frequency collimated sound source is used.
摘要翻译：本发明是一种方法和装置，其可以在狭窄的空间和恶劣的环境中使用超声波对浸入光学不透明流体中的物体进行成像。如果流体在1MHz以上的频率下没有高度衰减，商业超声波扫描仪可用，这些扫描仪可适应于这些流体中的成像。在高度衰减的液体如钻井泥浆的情况下，则使用低频准直声源。

13. 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。

14. 发明授权

US10605640B2 Apparatus and method for visualization of particles suspended in a fluid and fluid flow patterns using ultrasound 有权
公开(公告)号：US10605640B2
公开(公告)日：2020-03-31
申请号：US13225787
申请日：2011-09-06
申请人： Dipen N. Sinha , Curtis F. Osterhoudt , Cristian Pantea
发明人： Dipen N. Sinha , Curtis F. Osterhoudt , Cristian Pantea
IPC分类号： G01F1/74 , G01F1/66 , G01F1/708 , G01N29/26 , G01N29/024
摘要： An apparatus and method for real-time visualization of particulate matter suspended in a static or flowing fluid and fluid flow patterns in a pipe, tube, conduit, or other container, are described. Ultrasonic scanning and detection of scattered sound from the particles in the fluid create a real-time image of the particles, or of flow patterns in the liquid. A mechanical wobbler directs a piezoelectric transducer over a chosen angle in an oscillatory manner. The transducer is operated in a pulse-echo mode wherein the same transducer detects the return signal from the target region through which particles are passing and/or a flow is present. The pulse-echo measurements are made rapidly and continuously during a single sweep of the transducer over the chosen angle. Received signals are processed in the ultrasound scanner electronics module and displayed as an image in real-time.

15. 发明申请

US20160041286A1 METHODS FOR MEASURING PROPERTIES OF MULTIPHASE OIL-WATER-GAS MIXTURES 审中-公开
标题翻译：用于测量多相油 - 水 - 气体混合物性质的方法
公开(公告)号：US20160041286A1
公开(公告)日：2016-02-11
申请号：US14782090
申请日：2014-04-04
申请人： Dipen N. SINHA , Anirban CHAUDHURI , Cristian PANTEA , LOS ALAMOS NATIONAL SECURITY, LLC
发明人： Dipen N. Sinha , Anirban Chaudhuri , Cristian Pantea
IPC分类号： G01V1/44 , E21B49/08
CPC分类号： G01V1/44 , E21B49/087 , G01F1/667 , G01F1/668 , G01F1/74
摘要： Methods for real-time, continuous measurements of the composition and other properties of individual phases of petroleum, water and gas mixtures during the oil production process, without requiring test separators, test lines, with associated valving and instrumentation, are described. Embodiments of the present invention direct ultrasonic sound transmission through a flowing multiphase fluid in three frequency ranges: low frequencies, gas bubble resonance frequencies, and high frequencies, wherein certain sound propagation measurements, including sound speed, sound attenuation and sound scattering, are made in one or more of the three separate frequency regions, from which the multiphase composition and other properties are extracted without having to separate the multiphase fluid or the gas from the flowing stream.
摘要翻译：描述了在油生产过程中实时，连续测量石油，水和气体混合物的各个阶段的组成和其他性能的方法，而不需要测试分离器，测试线以及相关的阀门和仪器。本发明的实施例通过流动的多相流体在三个频率范围内直接超声波传播：低频，气泡共振频率和高频率，其中某些声音传播测量包括声速，声音衰减和声音散射在三个分开的频率区域中的一个或多个，多相组合物和其它性质从中提取，而不必将多相流体或气体与流动流分离。

16. 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。

17. 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.

18. 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。

19. 发明申请

US20100322031A1 SYSTEM FOR GENERATING A BEAM OF ACOUSTIC ENERGY FROM A BOREHOLE, AND APPLICATIONS THEREOF 有权
公开(公告)号：US20100322031A1
公开(公告)日：2010-12-23
申请号：US12870440
申请日：2010-08-27
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： G01V1/48
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.

20. 发明申请

US20150124558A1 ACOUSTIC CAMERA 审中-公开
标题翻译：声乐相机
公开(公告)号：US20150124558A1
公开(公告)日：2015-05-07
申请号：US14398367
申请日：2013-03-13
申请人： Dipen N. SINHA , LOS ALAMOS NATIONAL SECURITY, LLC
发明人： Dipen N. Sinha , John F. Brady
IPC分类号： G01S7/52 , G01S15/02
CPC分类号： G01S7/52017 , G01N29/0654 , G01N29/07 , G01N29/221 , G01N2291/106 , G01S15/02 , G01S15/8913 , G01S15/8925 , G01S15/8993
摘要： Apparatus for generating accurate 3-dimensional images of objects immersed in liquids including optically opaque liquids which may also have significant sound attenuation, is described. Sound pulses are caused to impinge on the object, and the time-of-flight of the reflected sound is used to create a 3-dimensional image of the object in almost real-time. The apparatus is capable of creating images of objects immersed in fluids that are optically opaque and have high sound attenuation at resolutions less than about 1 mm. The apparatus may include a piezoelectric transducer for generating the acoustic pulses; a high-density polyethylene compound acoustic lens, a 2-dimensional segmented piezoelectric detecting array positioned behind the lens for receiving acoustic pulses reflected by the object, the electric output of which is directed to digital signal processing electronics for generating the image.
摘要翻译：描述了用于产生浸入液体中的物体的精确三维图像的装置，包括也可能具有显着声音衰减的不透光液体。引起声音脉冲撞击物体，反射声音的飞行时间几乎实时地用于创建物体的三维图像。该装置能够产生浸没在光学不透明的流体中的物体的图像，并且在小于约1mm的分辨率下具有高的声音衰减。该装置可以包括用于产生声脉冲的压电换能器; 高密度聚乙烯复合声透镜，位于透镜后面的2维分段压电检测阵列，用于接收由物体反射的声脉冲，其电输出被引导到用于产生图像的数字信号处理电子装置。

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