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    • 3. 发明申请
    • Electromagnetic Probe
    • 电磁探头
    • US20130009646A1
    • 2013-01-10
    • US13345749
    • 2012-01-08
    • Matthieu SimonHenri BudanLaurent MosseMehdi Hizem
    • Matthieu SimonHenri BudanLaurent MosseMehdi Hizem
    • G01V3/30
    • G01V3/30
    • A probe for measuring electromagnetic properties of a subsurface formation includes a pad having a face adapted for engagement with a borehole wall, a pair of transmitting antennas, and two pairs of receiving antennas. The transmitting antennas and receiving antennas are mounted in the face of the pad, and each of the two pairs of receiving antennas include a first and second antenna distributed on opposite sides of the pair of transmitting antennas. The probe further includes an electronic arrangement having a transmitter module and a receiver module. The transmitter module is arranged to operate the pair of transmitting antennas in either a broadside mode or an endfire mode by applying an excitation signal modulated by two or more frequencies, and the receiver module is arranged to determine an attenuation and a phase shift of each reception signal provided by each receiving antenna relatively to the excitation signal.
    • 用于测量地下构造的电磁特性的探针包括具有适于与钻孔壁接合的面的垫,一对发射天线和两对接收天线。 发射天线和接收天线安装在焊盘的表面,并且两对接收天线中的每一对包括分布在该对发射天线的相对侧上的第一和第二天线。 探头还包括具有发射器模块和接收器模块的电子装置。 发射机模块被布置成通过施加由两个或更多个频率调制的激励信号来操作在宽边模式或端火模式中的一对发射天线,并且接收机模块被布置成确定每个接收的衰减和相移 每个接收天线相对于激励信号提供的信号。
    • 4. 发明申请
    • Electromagnetic Probe
    • 电磁探头
    • US20080224705A1
    • 2008-09-18
    • US11816309
    • 2006-01-27
    • Matthieu SimonHenri BudanLaurent MosseMehdi Hizem
    • Matthieu SimonHenri BudanLaurent MosseMehdi Hizem
    • G01V3/30
    • G01V3/30
    • An electromagnetic probe 1 measures the electromagnetic properties of a sub surface formation GF in a limited zone surrounding a well-bore hole WBH. The well-bore hole is filled with a well-bore fluid DM. The probe comprises a pad 2 having a first face defining a first area arranged to be positioned in contact with a well-bore wall WBW. The probe 1 further comprises: at least two transmitting antennas 4A, 4B defining a central point CP between them, each antenna being spaced from a distance do from the central point, and at least a first 5A, 5B and a second set 5C, 5D of receiving antennas, each set comprising a first receiving antenna 5A; 5C and a second receiving antenna 5B; 5D, the first receiving antenna being positioned on one side of the transmitting antennas and the second receiving antenna being positioned on other side of the transmitting antennas so that each set encompass the transmitting antennas 4A, 4B.
    • 电磁探头1测量围绕井眼孔WBH的有限区域中的子表面形成GF的电磁特性。 井眼孔充满井眼液DM。 探头包括垫2,垫2具有限定布置成定位成与井眼壁WBW接触的第一区域的第一面。 探头1还包括:在它们之间限定中心点CP的至少两个发送天线4A,4B,每个天线与中心点距离距离为一定距离,并且至少第一个5A,5B和第二个 设置5C,5D的接收天线,每组包括第一接收天线5A; 5C和第二接收天线5B; 如图5D所示,第一接收天线位于发射天线的一侧,第二接收天线位于发射天线的另一侧,使得每组天线包围发射天线4A,4B。
    • 6. 发明授权
    • Method of measuring a multiphase flow
    • 多相流测量方法
    • US08536883B2
    • 2013-09-17
    • US12769781
    • 2010-04-29
    • Cheng-gang XieMehdi HizemRolf Rustad
    • Cheng-gang XieMehdi HizemRolf Rustad
    • G01R27/08G01V3/18G01V3/00G01F1/68G01N33/20G01N37/00H01Q13/00
    • G01N33/28G01N22/00G01N33/2823G01R27/02G01R27/08G01R27/14G01R27/2605
    • A method of measuring the permittivity and/or conductivity of a multiphase fluid flowing through a conduit is provided. The method includes the steps of measuring the signal from a first electromagnetic transmitter to a first electromagnetic receiver separated by a first distance, measuring the signal from the first electromagnetic transmitter to a second electromagnetic receiver separated by a second distance, measuring the signal from a second electromagnetic transmitter to the first electromagnetic receiver separated by a distance substantially equal to the second distance, measuring the signal from the second electromagnetic transmitter to the second electromagnetic receiver separated by a distance substantially equal to the first distance, and wherein the first and second distances are substantially different. This is followed by the step of combining the four signals to obtain a measurement of the phase-shift and amplitude-attenuation substantially independent of the gain values applied to the receivers and transmitters to provide an estimate of the mixture permittivity and/or conductivity of the multiphase fluid.
    • 提供了测量流过导管的多相流体的介电常数和/或电导率的方法。 该方法包括以下步骤:测量从第一电磁发射器到第一电磁接收器的信号,第一电磁接收器被隔开第一距离,测量从第一电磁发射器到第二电磁接收器的信号,第二电磁接收器被隔开第二距离,测量来自第二距离的信号 测量从第二电磁发射器到第二电磁接收器的信号,该第二电磁接收器被隔开大致等于第一距离的距离,并且其中第一和第二距离是 大不一样。 之后是组合四个信号以获得基本上与施加到接收器和发射器的增益值无关的相移和幅度衰减的测量值以提供对于接收机和发射机的混合介电常数和/或电导率的估计的步骤 多相流体
    • 7. 发明申请
    • METHOD OF MEASURING A MULTIPHASE FLOW
    • 测量多相流的方法
    • US20110267074A1
    • 2011-11-03
    • US12769781
    • 2010-04-29
    • CHENG-GANG XIEMehdi HizemRolf Rustad
    • CHENG-GANG XIEMehdi HizemRolf Rustad
    • G01R27/04
    • G01N33/28G01N22/00G01N33/2823G01R27/02G01R27/08G01R27/14G01R27/2605
    • A method of measuring the permittivity and/or conductivity of a multiphase fluid flowing through a conduit is provided. The method includes the steps of measuring the signal from a first electromagnetic transmitter to a first electromagnetic receiver separated by a first distance, measuring the signal from the first electromagnetic transmitter to a second electromagnetic receiver separated by a second distance, measuring the signal from a second electromagnetic transmitter to the first electromagnetic receiver separated by a distance substantially equal to the second distance, measuring the signal from the second electromagnetic transmitter to the second electromagnetic receiver separated by a distance substantially equal to the first distance, and wherein the first and second distances are substantially different. This is followed by the step of combining the four signals to obtain a measurement of the phase-shift and amplitude-attenuation substantially independent of the gain values applied to the receivers and transmitters to provide an estimate of the mixture permittivity and/or conductivity of the multiphase fluid.
    • 提供了测量流过导管的多相流体的介电常数和/或电导率的方法。 该方法包括以下步骤:测量从第一电磁发射器到第一电磁接收器的信号,第一电磁接收器被隔开第一距离,测量从第一电磁发射器到第二电磁接收器的信号,第二电磁接收器被隔开第二距离,测量来自第二距离的信号 测量从第二电磁发射器到第二电磁接收器的信号,该第二电磁接收器被隔开大致等于第一距离的距离,并且其中第一和第二距离是 大不一样。 之后是组合四个信号以获得基本上与施加到接收器和发射器的增益值无关的相移和幅度衰减的测量值以提供对于接收机和发射机的混合介电常数和/或电导率的估计的步骤 多相流体
    • 9. 发明授权
    • Electromagnetic probe for measuring properties of a subsurface formation
    • 用于测量地下地层特性的电磁探头
    • US08710846B2
    • 2014-04-29
    • US13345749
    • 2012-01-08
    • Matthieu SimonHenri BudanLaurent MosseMehdi Hizem
    • Matthieu SimonHenri BudanLaurent MosseMehdi Hizem
    • G01V3/00
    • G01V3/30
    • A probe for measuring electromagnetic properties of a subsurface formation includes a pad having a face adapted for engagement with a borehole wall, a pair of transmitting antennas, and two pairs of receiving antennas. The transmitting antennas and receiving antennas are mounted in the face of the pad, and each of the two pairs of receiving antennas include a first and second antenna distributed on opposite sides of the pair of transmitting antennas. The probe further includes an electronic arrangement having a transmitter module and a receiver module. The transmitter module is arranged to operate the pair of transmitting antennas in either a broadside mode or an endfire mode by applying an excitation signal modulated by two or more frequencies, and the receiver module is arranged to determine an attenuation and a phase shift of each reception signal provided by each receiving antenna relatively to the excitation signal.
    • 用于测量地下构造的电磁特性的探针包括具有适于与钻孔壁接合的面的垫,一对发射天线和两对接收天线。 发射天线和接收天线安装在焊盘的表面,并且两对接收天线中的每一对包括分布在该对发射天线的相对侧上的第一和第二天线。 探头还包括具有发射器模块和接收器模块的电子装置。 发射机模块被布置成通过施加由两个或更多个频率调制的激励信号来操作在宽边模式或端火模式中的一对发射天线,并且接收机模块被布置成确定每个接收的衰减和相移 每个接收天线相对于激励信号提供的信号。