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1. 发明授权

US10280745B2 Method and apparatus for evaluating fluid sample contamination by using multi sensors 有权
公开(公告)号：US10280745B2
公开(公告)日：2019-05-07
申请号：US13981634
申请日：2012-01-24
申请人： Sami Abbas Eyuboglu , Mark Proett , Rohin Naveena Chandran , Anthony Herman Van Zuilekom , Li Gao
发明人： Sami Abbas Eyuboglu , Mark Proett , Rohin Naveena Chandran , Anthony Herman Van Zuilekom , Li Gao
IPC分类号： E21B49/08
摘要： A method of evaluating fluid sample contamination is disclosed. A formation tester tool is introduced into a wellbore. The formation tester tool comprises a sensor. Sensor data is acquired from the sensor and a contamination estimation is calculated. A remaining pump-out time required to reach a contamination threshold is then determined.

2. 发明申请

US20130311099A1 METHOD AND APPARATUS FOR EVALUATING FLUID SAMPLE CONTAMINATION BY USING MULTI SENSORS 审中-公开
标题翻译：利用多传感器评估流体样品污染的方法和装置
公开(公告)号：US20130311099A1
公开(公告)日：2013-11-21
申请号：US13981634
申请日：2012-01-24
申请人： Sami Abbas Eyuboglu , Mark Proett , Rohin Naveena Chandran , Anthony Herman Van Zuilekom , Li Gao
发明人： Sami Abbas Eyuboglu , Mark Proett , Rohin Naveena Chandran , Anthony Herman Van Zuilekom , Li Gao
IPC分类号： E21B49/08
CPC分类号： E21B49/08 , E21B49/081
摘要： A method of evaluating fluid sample contamination is disclosed. A formation tester tool is introduced into a wellbore. The formation tester tool comprises a sensor. Sensor data is acquired from the sensor and a contamination estimation is calculated. A remaining pump-out time required to reach a contamination threshold is then determined.
摘要翻译：公开了一种评估流体样品污染的方法。地层测试仪工具被引入井眼。地层测量仪工具包括传感器。从传感器获取传感器数据，并计算污染估计。然后确定达到污染阈值所需的剩余抽出时间。

3. 发明授权

US08672026B2 Fluid control in reservior fluid sampling tools 有权
标题翻译：储层流体采样工具中的流体控制
公开(公告)号：US08672026B2
公开(公告)日：2014-03-18
申请号：US12842377
申请日：2010-07-23
申请人： Anthony Herman van Zuilekom , Michael T. Pelletier , Li Gao
发明人： Anthony Herman van Zuilekom , Michael T. Pelletier , Li Gao
IPC分类号： E21B49/08
CPC分类号： E21B49/084 , E21B34/08 , E21B43/12 , E21B49/10
摘要： A pumping system comprising: a probe to suction a fluid from a fluid reservoir; a pump in fluid communication with said probe; a sensor for detecting phase changes in said pumping system, said sensor in fluid communication with said probe or pump, said sensor generating a sensor signal; a fluid exit from said pumping system, said fluid exit being in fluid communication with said pump; and a variable force check valve located between said probe and said fluid exit.
摘要翻译：一种泵送系统，包括：用于从流体储存器抽吸流体的探针; 与所述探针流体连通的泵; 传感器，用于检测所述泵送系统中的相位变化，所述传感器与所述探针或泵流体连通，所述传感器产生传感器信号; 来自所述泵送系统的流体出口，所述流体出口与所述泵流体连通; 以及位于所述探针和所述流体出口之间的可变力止回阀。

4. 发明授权

US09645114B2 Single magnet fluid densitometer 有权
公开(公告)号：US09645114B2
公开(公告)日：2017-05-09
申请号：US14391612
申请日：2012-05-03
申请人： Li Gao , Michael T. Pelletier , Mark A. Proett
发明人： Li Gao , Michael T. Pelletier , Mark A. Proett
IPC分类号： G01V3/00 , E21B49/00 , G01N27/74 , E21B47/06 , E21B47/10 , G01N9/00 , G01N11/16 , G01N33/28 , E21B49/08
CPC分类号： G01N27/74 , E21B47/06 , E21B47/102 , E21B49/00 , E21B49/08 , E21B2049/085 , G01N9/002 , G01N11/16 , G01N33/2823 , G01N2009/006
摘要： An instrument for determining fluid properties is provided. The instrument (300) includes a tube (304) receiving the fluid, a single magnet (302) attached to the tube, and a single coil (306) wound around the single magnet. The single coil is coupled to a pulse current source (312) and receives a pulse current that creates a magnetic field in the single coil, the created magnetic field interacting with the single magnet to drive the tube to vibrate. The instrument further includes a detector (306) coupled to the tube, wherein the detector is coupled to measurement circuitry (310) and detects properties of the tube as it vibrates, and the measurement circuitry determines the fluid properties based on the detected properties. The instrument also includes a housing (314) enclosing the tube, the single magnet, and the single coil wound around the single magnet.

5. 发明授权

US09575199B2 Downhole fluid resistivity sensor systems and methods 有权
标题翻译：井下流体电阻率传感器系统及方法
公开(公告)号：US09575199B2
公开(公告)日：2017-02-21
申请号：US14388193
申请日：2012-03-28
申请人： Wei Zhang , Lizheng Zhang , Li Gao , David Earl Ball
发明人： Wei Zhang , Lizheng Zhang , Li Gao , David Earl Ball
IPC分类号： G01V3/02 , G01V3/20 , E21B49/08
CPC分类号： G01V3/02 , E21B49/08 , G01V3/20
摘要： Disclosed is a downhole fluid resistivity sensor that includes a ceramic cylinder having a fluid-contacting surface, and at least four metal pins that penetrate a wall of the ceramic cylinder at axially-spaced locations. The pins are bonded to the ceramic to form a pressure seal. The sensor may include a circuit that injects current into a fluid via an outer two of the pins, and measures a resulting voltage via an inner two of the pins. The circuit may also provide an indication of fluid resistivity based at least in part on the resulting voltage. At each of the axially-spaced locations, a set of multiple pins may penetrate the wall to contact the fluid at circumferentially-spaced positions. The fluid-contacting surface may be an inner surface or an outer surface of the ceramic cylinder. A downhole fluid resistivity measurement method is also described.
摘要翻译：公开了一种井下流体电阻率传感器，其包括具有流体接触表面的陶瓷圆筒，以及至少四个在轴向间隔开的位置处穿过陶瓷圆柱壁的金属销。销钉结合到陶瓷上以形成压力密封。传感器可以包括经由外部两个引脚将电流注入流体的电路，并且经由内部两个引脚测量所得到的电压。该电路还可以至少部分地基于所得到的电压来提供流体电阻率的指示。在每个轴向间隔的位置处，一组多个销可以穿透壁以在周向间隔的位置处接触流体。流体接触表面可以是陶瓷圆筒的内表面或外表面。还描述了井下流体电阻率测量方法。

6. 发明申请

US20160327465A1 VISCOSITY SENSOR 审中-公开
标题翻译：粘度传感器
公开(公告)号：US20160327465A1
公开(公告)日：2016-11-10
申请号：US15108644
申请日：2014-03-25
申请人： James MASINO , Li GAO , HALLIBURTON ENERGY SERVICES, INC.
发明人： James Masino , Li Gao
IPC分类号： G01N11/16 , E21B49/08
CPC分类号： G01N11/167 , E21B49/08 , E21B2049/085 , G01N11/16
摘要： A fluid is received into a sample tube. A processor causes an energy to be applied to the sample tube to induce vibration in the sample tube at a resonant frequency of the sample tube containing the fluid. The processor stops the supply of energy to the sample tube. The processor monitors an amplitude of the vibration of the sample tube as the amplitude of the vibrations diminish over a period of time. The processor uses the monitored amplitude to calculate an RF of the sample tube containing the fluid. The processor uses the calculated RF to calculate the viscosity of the fluid.
摘要翻译：将流体接收到样品管中。处理器将能量施加到样品管，以在包含流体的样品管的共振频率处引起样品管中的振动。处理器停止向样品管供应能量。当振动的振幅在一段时间内减小时，处理器监测样品管的振动的幅度。处理器使用监测的幅度来计算包含流体的样品管的RF。处理器使用计算的RF来计算流体的粘度。

7. 发明授权

US09008977B2 Determining fluid density 有权
标题翻译：确定流体密度
公开(公告)号：US09008977B2
公开(公告)日：2015-04-14
申请号：US13320311
申请日：2009-05-20
申请人： Li Gao
发明人： Li Gao
IPC分类号： G01N9/00 , G01H1/00 , G01H3/00 , G06F17/40 , G06F19/00 , G01N35/00
CPC分类号： G01N35/00 , G01H1/00 , G01H3/00 , G01N9/00 , G06F17/40 , G06F19/00
摘要： The density of a fluid is determined using a vibratory resonant densitometer in an environment. The densitometer includes a tubular sample cavity and other densitometer parts. The method includes measuring a plurality of parameters characterizing the environment. The method further includes adjusting a model of the sample cavity using the measured parameters. The method further includes receiving a sample fluid into the sample cavity. The method further includes vibrating the sample cavity to obtain a vibration signal. The method further includes calculating the density of the sample fluid using the model and the vibration signal.
摘要翻译：在环境中使用振动谐振密度计确定流体的密度。密度计包括管状样品腔和其他密度计部件。该方法包括测量表征环境的多个参数。该方法还包括使用所测量的参数调整样品腔的模型。该方法还包括将样品流体接收到样品腔中。该方法还包括振动样品腔以获得振动信号。该方法还包括使用模型和振动信号计算样品流体的密度。

8. 发明授权

US08581591B2 Method and system of determining an electrical property of a formation fluid 有权
标题翻译：确定地层流体电性能的方法和系统
公开(公告)号：US08581591B2
公开(公告)日：2013-11-12
申请号：US12668129
申请日：2008-06-11
申请人： Michael T. Pelletier , Li Gao
发明人： Michael T. Pelletier , Li Gao
IPC分类号： G01V3/18
CPC分类号： E21B49/10 , E21B47/102 , G01N27/74 , G01N33/2823
摘要： Determining an electrical property of a formation fluid. At least some of the illustrative embodiments are methods comprising drawing formation fluids into a tool within a borehole, applying a swept frequency electric field to the formation fluids by way of a first winding, inducing a current flow in a second winding based on the swept frequency electric field, and determining a property of the formation fluids based, at least in part, on the current flow in the second winding.
摘要翻译：确定地层流体的电性质。示例性实施例中的至少一些是包括将地层流体绘制到井眼内的工具中的方法，通过第一绕组将地震流体施加扫频频率电场，基于扫频来诱导第二绕组中的电流至少部分地基于第二绕组中的电流流动来确定地层流体的性质。

9. 发明申请

US20130199286A1 Non-Invasive Compressibility and In Situ Density Testing of a Fluid Sample in a Sealed Chamber 有权
标题翻译：在密封室中的流体样品的非侵入性压缩性和原位密度测试
公开(公告)号：US20130199286A1
公开(公告)日：2013-08-08
申请号：US13389583
申请日：2010-06-17
申请人： Li Gao , Mark A. Proett , Sami Eyuboglu , Tony Herman van Zuilekom
发明人： Li Gao , Mark A. Proett , Sami Eyuboglu , Tony Herman van Zuilekom
IPC分类号： E21B49/08 , G01N9/04
CPC分类号： E21B49/08 , E21B49/081 , E21B2049/085 , G01N9/00 , G01N9/04 , G01N33/2823
摘要： In situ density and compressibility of a fluid sample are determined for a fluid sample collected downhole. The density and compressibility of the fluid sample is determined by measuring a distance to a piston contained within the sample chamber using an external magnetic field sensor that senses a magnetic field emanating from a magnetic provided on the piston internal to the sample chamber. The testing is performed quickly and at the surface in a noninvasive fashion (i.e., without opening the sample chamber).
摘要翻译：对于在井下收集的流体样品，确定流体样品的原位密度和压缩性。通过使用外部磁场传感器来测量包含在样品室内的活塞的距离来确定流体样品的密度和压缩性，外部磁场传感器感测从设置在样品室内部的活塞上的磁场发出的磁场。快速地进行测试，并以无创的方式（即，不打开样品室）在表面进行测试。

10. 发明授权

US08193946B2 Training for directional detection 有权
标题翻译：定向检测培训
公开(公告)号：US08193946B2
公开(公告)日：2012-06-05
申请号：US12065529
申请日：2006-11-10
申请人： Sinan Sinanovic , Donald H. Johnson , Wallace R. Gardner , Li Gao , Carl A. Robbins
发明人： Sinan Sinanovic , Donald H. Johnson , Wallace R. Gardner , Li Gao , Carl A. Robbins
IPC分类号： H04H9/00
CPC分类号： E21B47/16
摘要： Acoustic telemetry devices and methods that provide directional detection. In one embodiment, a disclosed acoustic telemetry device comprises at least two acoustic sensors and an electronics module. The electronics module combines the detection signals from the acoustic sensors to obtain a combined signal that substantially excludes signals propagating in a direction opposite to the communication signal. The disclosed systems and methods can be trained in the field and will readily accommodate an irregular and unknown signal transmission medium between the two acoustic sensors.
摘要翻译：声学遥测装置和方法提供方向检测。在一个实施例中，公开的声学遥测装置包括至少两个声学传感器和电子模块。电子模块组合来自声学传感器的检测信号，以获得基本上排除在与通信信号相反的方向传播的信号的组合信号。所公开的系统和方法可以在现场进行训练，并且将容易地适应两个声学传感器之间的不规则和未知的信号传输介质。

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