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21. 发明申请

WO2015126417A1 BENDER BAR MODAL SHAPING 审中-公开
标题翻译： BENDER BAR模式形状
公开(公告)号：WO2015126417A1
公开(公告)日：2015-08-27
申请号：PCT/US2014/017760
申请日：2014-02-21
申请人： HALLIBURTON ENERGY SERVICES INC.
发明人： FRIPP, Michael L. , JUNGHANS, Paul G. , LI, Chen , MANDAL, Batakrishna
IPC分类号： E21B47/107 , G01V3/08
CPC分类号： E21B47/18 , B06B1/0603 , B06B1/0607 , E21B49/00 , H01L41/25
摘要： An acoustic transducer, such as a bender bar, having ferroelectric actuation elements that are designed to optimize a predetermined deflection mode shape.
摘要翻译：诸如弯曲杆的声换能器，具有设计成优化预定偏转模式形状的铁电致动元件。

22. 发明申请

WO2014133504A1 APPARATUS AND METHODS FOR MONITORING THE RETRIEVAL OF A WELL TOOL 审中-公开
标题翻译：用于监测工具的检索的装置和方法
公开(公告)号：WO2014133504A1
公开(公告)日：2014-09-04
申请号：PCT/US2013/028032
申请日：2013-02-27
申请人： HALLIBURTON ENERGY SERVICES, INC.
发明人： COLES, Randolph, S. , ROY, Sushovon, Singha , MANDAL, Batakrishna
IPC分类号： E21B23/00
CPC分类号： E21B47/09 , E21B19/00 , E21B33/072 , E21B41/0021 , E21B47/091
摘要： A system to monitor the retrieval of a well tool from a wellbore comprises a deployment member coupled to the well tool to retrievably insert the well tool in the wellbore. At least one first identification transducer is coupled to a top end of the well tool to transmit an identification signal during retrieval of the well tool. At least one second identification transducer is located at at least one axial location along a surface pressure control assembly to detect the identification signal. A controller is in data communication with the at least one second identification transducer to determine the position of the well tool relative to the pressure control assembly, and to output at least one command related to the position of the well tool relative to the pressure control assembly.
摘要翻译：监测井筒从井眼检索的系统包括联接到井具的展开构件，以将井工具可回收地插入在井眼中。至少一个第一识别换能器耦合到井工具的顶端，以在井工具检索期间传送识别信号。至少一个第二识别换能器位于沿着表面压力控制组件的至少一个轴向位置处，以检测识别信号。控制器与所述至少一个第二识别换能器进行数据通信，以确定井具相对于压力控制组件的位置，并且输出与油井工具相对于压力控制组件的位置有关的至少一个命令。

23. 发明申请

WO2019018100A1 ACOUSTIC METHOD AND APPARATUS FOR CEMENT BOND EVALUATION THROUGH TUBING 审中-公开
公开(公告)号：WO2019018100A1
公开(公告)日：2019-01-24
申请号：PCT/US2018/038998
申请日：2018-06-22
申请人： HALLIBURTON ENERGY SERVICES, INC.
发明人： MANDAL, Batakrishna
IPC分类号： E21B47/00 , E21B33/13 , G01V1/44
摘要： A method and system for determining cement bonding. The method may comprise disposing an acoustic logging tool in a wellbore, wherein the acoustic logging tool comprises a transmitter and a receiver, broadcasting a shaped signal with the transmitter such that fluid between concentric pipes disposed in the wellbore is excited, recording a reverberating signal with the receiver, processing the reverberating signal with an information handling system, and determining presence of a material outside an outermost of the concentric pipes. A well measurement system for determining cement bonding may comprise an acoustic logging tool. The acoustic logging tool may comprise at least one transmitter, wherein the at least one transmitter is configured to broadcast a shaped signal, and at least one receiver, wherein the at least one receiver is configured to record a reverberating signal. The acoustic logging tool may also comprise a conveyance and an information handling system.

24. 发明申请

WO2016190993A1 ULTRASONIC TRANSDUCERS WITH PIEZOELECTRIC MATERIAL EMBEDDED IN BACKING 审中-公开
标题翻译：超声波传感器与压电材料嵌在背面
公开(公告)号：WO2016190993A1
公开(公告)日：2016-12-01
申请号：PCT/US2016/028475
申请日：2016-04-20
申请人： HALLIBURTON ENERGY SERVICES, INC.
发明人： JIN, Jing , GE, Yao , MANDAL, Batakrishna
IPC分类号： B06B1/06 , G01V1/40
CPC分类号： B06B1/0685 , B06B2201/40 , B06B2201/73 , G01V1/22 , G01V1/40 , G01V2200/16
摘要： A system and downhole tool comprising an ultrasonic transducer with a piezoelectric material embedded in a backing and a method of determining a parameter using the ultrasonic transducer, A self-noise of the transducer can be reduced by the piezoelectric material being at least partially embedded in the backing. The ultrasonic transducer can include an encapsulating material that encapsulates the backing.
摘要翻译：一种包括具有嵌入背衬中的压电材料的超声波换能器的系统和井下工具以及使用超声波换能器确定参数的方法。换能器的自噪声可以通过至少部分地嵌入后盾。超声波换能器可以包括封装背衬的封装材料。

25. 发明申请

WO2016010553A1 DETERMINING LOCATIONS OF ACOUSTIC SOURCES AROUND A BOREHOLE 审中-公开
标题翻译：确定钻孔周围的声源的位置
公开(公告)号：WO2016010553A1
公开(公告)日：2016-01-21
申请号：PCT/US2014/047166
申请日：2014-07-18
申请人： HALLIBURTON ENERGY SERVICES, INC.
发明人： MANDAL, Batakrishna
IPC分类号： E21B47/09 , G01V1/40 , G01V1/48
CPC分类号： E21B47/101 , E21B47/0005 , E21B47/09 , G01V1/40
摘要： Systems, methods, and computer-readable storage devices for determining a location of an acoustic source outside of a borehole. The method relates to indicating a radial distance to the borehole, an offset along the borehole, and an azimuthal position around the borehole, of the acoustic source. The method includes receiving acoustic signals from respective acoustic sensors spaced along a tool lowered within the borehole. Using the acoustic signals and a borehole model, stacked energies are calculated for different radial distances from the borehole. At least one of the stacked energies is translated to an indication of a radial distance of the acoustic source from the borehole. The stacked energy for a radial distance is computed by offsetting the acoustic data signals in time in accordance the borehole model, summing the offset acoustic data signals to produce a stacked signal, and evaluating energy of the stacked signal over a time window.
摘要翻译：用于确定井眼外的声源的位置的系统，方法和计算机可读存储装置。该方法涉及指示到井眼的径向距离，沿钻孔的偏移和围绕钻孔的方位角位置的声源。该方法包括接收来自相应声学传感器的声信号，所述声学传感器沿着在钻孔内降低的工具间隔开。使用声学信号和井眼模型，计算与钻孔不同的径向距离的堆叠能量。层叠的能量中的至少一个被转换为声源与钻孔的径向距离的指示。通过根据井眼模型及时校正声学数据信号，对偏移的声学数据信号求和以产生堆叠的信号，并在时间窗上评估叠加的信号的能量来计算径向距离的层叠能量。

26. 发明申请

WO2015122888A1 BENDER BAR TRANSDUCER HAVING STACKED ENCAPSULATED ACTUATORS 审中-公开
标题翻译：带有堆叠式封闭式执行器的BENDER BAR传感器
公开(公告)号：WO2015122888A1
公开(公告)日：2015-08-20
申请号：PCT/US2014/016102
申请日：2014-02-12
申请人： HALLIBURTON ENERGY SERVICES INC.
发明人： FRIPP, Michael L. , JUNGHANS, Paul G. , LI, Chen , MANDAL, Batakrishna
IPC分类号： H01L41/00 , H02N2/00
CPC分类号： H01L41/098 , B06B1/0215 , B06B1/0603 , B06B1/0614 , E21B47/101 , E21B47/14 , G01V1/40 , G01V2001/526 , H01L41/0533 , H01L41/083 , H01L41/0833 , H01L41/0933 , H01L41/27
摘要： A bender bar transducer having stacked encapsulated actuators provides improved acoustic power over a wider frequency range, low applied voltage requirements and consistent part-to-part performance.
摘要翻译：具有层叠封装的致动器的弯曲杆传感器在更宽的频率范围内提供改善的声功率，低的施加电压要求和一致的部件到部件的性能。

27. 发明申请

WO2017180131A1 ACOUSTIC IMAGING FOR WELLBORE INVESTIGATION 审中-公开
标题翻译：声学成像为井下调查
公开(公告)号：WO2017180131A1
公开(公告)日：2017-10-19
申请号：PCT/US2016/027557
申请日：2016-04-14
申请人： HALLIBURTON ENERGY SERVICES INC.
发明人： WALTERS, Darren P. , FOIANINI, Ivo , HARIVE, Kevin S. , MANDAL, Batakrishna , CHANG, Chung
IPC分类号： E21B47/00 , G01V1/40 , G01V1/50
摘要： An acoustic imaging tool, logging system and method are disclosed for producing high-resolution three-dimensional images. The imaging tool may include three separate arrangements of acoustic transducers: a circumferential set for wall inspection, internal transducers for fluid characterization within a chamber open to wellbore fluid, and forward-looking transducers located at the bottom end of the tool. Forward-looking transducers emit ultrasonic waves and receive reflections back when solid features are located under the tool. In some embodiments, Doppler effect calculations may be performed to produce forward-looking acoustic images. In other embodiments, an ambient acoustic energy illuminates the wellbore, and an acoustic lens set focuses reflected ultrasonic waves onto an acoustic imaging array of an ultrasonic camera.
摘要翻译：公开了用于产生高分辨率三维图像的声学成像工具，测井系统和方法。成像工具可以包括声换能器的三个单独的布置：用于墙壁检查的圆周组，用于在与井眼流体相通的室内的流体表征的内部换能器，以及位于工具底端的前视换能器。当固体特征位于工具下时，前视传感器发射超声波并接收反射。在一些实施例中，可执行多普勒效应计算以产生前视声学图像。在其它实施例中，环境声能照射井眼，并且声学透镜组将反射超声波聚焦到超声相机的声学成像阵列上。

28. 发明申请

WO2016191028A1 MEASURING FREQUENCY-DEPENDENT ACOUSTIC ATTENUATION 审中-公开
标题翻译：测量频率依赖性声学衰减
公开(公告)号：WO2016191028A1
公开(公告)日：2016-12-01
申请号：PCT/US2016/029749
申请日：2016-04-28
申请人： HALLIBURTON ENERGY SERVICES, INC.
发明人： MANDAL, Batakrishna , JAGANNATHAN, Srinivasan
IPC分类号： G01H3/04 , G01N29/036
CPC分类号： E21B47/182 , E21B47/0005 , E21B49/08 , G01V1/46 , G01V1/50 , G01V2001/526
摘要： Methods and systems for frequency-dependent fluid attenuation measurement are provided. In certain embodiments, the methods comprise: generating one or more reference acoustic signals within a reference fluid; receiving one or more reference acoustic signal reflections; determining a frequency-dependent response function based, at least in part, on the one or more reference acoustic signal reflections; generating one or more sample acoustic signals within a sample fluid; receiving one or more sample acoustic signal reflections; and determining a frequency-dependent attenuation function of the sample fluid based, at least in part, on the one or more sample acoustic signal reflections and the frequency-dependent response function.
摘要翻译：提供了频率依赖性流体衰减测量的方法和系统。在某些实施例中，所述方法包括：在参考流体内生成一个或多个参考声学信号; 接收一个或多个参考声信号反射; 至少部分地基于所述一个或多个参考声信号反射来确定频率相关响应函数; 在样品流体内产生一个或多个样本声信号; 接收一个或多个样本声信号反射; 以及至少部分地基于一个或多个样本声信号反射和频率依赖响应函数来确定样本流体的频率依赖衰减函数。

29. 发明申请

WO2016191026A1 IN-SITU BOREHOLE FLUID SPEED AND ATTENUATION MEASUREMENT IN AN ULTRASONIC SCANNING TOOL 审中-公开
标题翻译：超声波扫描工具中的现场钻孔液流速度和衰减测量
公开(公告)号：WO2016191026A1
公开(公告)日：2016-12-01
申请号：PCT/US2016/029738
申请日：2016-04-28
申请人： HALLIBURTON ENERGY SERVICES, INC.
发明人： MANDAL, Batakrishna
IPC分类号： E21B47/00 , G01V1/40 , G01V1/50
CPC分类号： E21B47/101 , E21B47/0005 , G01V1/46 , G01V2001/526
摘要： An example casing and cement evaluation tool may include a tool body and a rotating portion coupled to the tool body. A first transducer may be coupled to the rotating portion at a radial offset from a longitudinal axis of the tool. A second transducer may be coupled to the rotating portion at a different radial offset from the longitudinal axis of the tool.
摘要翻译：示例性套管和水泥评估工具可以包括工具主体和联接到工具主体的旋转部分。第一换能器可以在与工具的纵向轴线的径向偏移处联接到旋转部分。第二换能器可以以与工具的纵向轴线不同的径向偏移耦合到旋转部分。

30. 发明申请

WO2016191025A1 CASING AND CEMENT EVALUATION TOOL WITH REDUCED TRANSMITTER RINGING 审中-公开
标题翻译：铸造和水泥评估工具与减少发射机的结合
公开(公告)号：WO2016191025A1
公开(公告)日：2016-12-01
申请号：PCT/US2016/029730
申请日：2016-04-28
申请人： HALLIBURTON ENERGY SERVICES, INC.
发明人： LI, Peng , CHEN, Zheng , MANDAL, Batakrishna
IPC分类号： E21B47/00 , G01V1/40 , G01V1/50
CPC分类号： E21B47/0005 , E21B47/14 , H03F1/34 , H03F3/24 , H04B1/10 , H04B15/02 , H04B2001/0433
摘要： An example cement and casing evaluation tool includes an amplifier and a filter coupled an output of the amplifier. A transducer may be coupled to the output of the filter. A ringing reduction system may be coupled to at least one of the amplifier, the filter, and the transducer, wherein the ringing reduction system selectively dissipates energy from at least one of the amplifier, the filter, and the transducer in response to a control signal.
摘要翻译：示例性的水泥和套管评估工具包括放大器和耦合放大器的输出的滤波器。换能器可以耦合到滤波器的输出端。振铃减小系统可以耦合到放大器，滤波器和换能器中的至少一个，其中响应于控制信号，振铃还原系统选择性地从放大器，滤波器和换能器中的至少一个驱动能量。

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