Long Baseline Navigation System
    1.
    发明申请
    Long Baseline Navigation System 有权
    长基线导航系统

    公开(公告)号:US20120291556A1

    公开(公告)日:2012-11-22

    申请号:US13564670

    申请日:2012-08-01

    CPC classification number: G01V3/12 G01V1/3835 G01V3/083

    Abstract: An acoustic navigation system includes a vessel and an interrogation unit towed behind the vessel below the surface of the water, a tail acoustic transponder trailing behind the interrogation unit, and a pair of surface acoustic transponders towed behind the vessel on the surface of the body of water. The interrogation unit generates an acoustic interrogation signal and receives responses from each of the tail acoustic transponder and the surface acoustic transponders from which it triangulates its position. The surface acoustic transponders may further include GPS receivers for receiving positioning information from GPS satellites. Additional acoustic transponders on instruments located on the floor of the body of water respond to the interrogation signal to allow triangulation of the location of the instruments.

    Abstract translation: 声学导航系统包括船舶和在水面下面的船只后面的询问单元,拖尾在询问单元后面的尾部声响应答器以及在船体表面上拖曳在船体后面的一对表面声学应答器 水。 询问单元产生声讯讯信号,并接收来自尾声响应器和表面声响应答器的响应,它们从其三角测量其位置。 声表面响应器还可以包括用于从GPS卫星接收定位信息的GPS接收器。 位于水体地板上的仪器上的附加声学应答器响应询问信号,以允许仪器位置的三角测量。

    Method and system for detecting and mapping hydrocarbon reservoirs using electromagnetic fields
    2.
    发明授权
    Method and system for detecting and mapping hydrocarbon reservoirs using electromagnetic fields 有权
    使用电磁场检测和绘制油气藏的方法和系统

    公开(公告)号:US08253418B2

    公开(公告)日:2012-08-28

    申请号:US12377594

    申请日:2007-08-30

    CPC classification number: G01V3/12 G01V1/3835 G01V3/083

    Abstract: The system and method provided modify a conventional seafloor long-wire electromagnetic (LEM) receiver by increasing the number of discrete antennae placed on the long wire. Two dipoles of electric field data are positioned exactly adjacent to each other, providing input to the same data logger system located within a seafloor survey unit to which the long wire is connected. Highly precise electric field gradients can be obtained by taking the difference of the measurements of the two electrodes, both for amplitude and phase. Any common-mode source of noise, such as magnetotelluric signals and receiver instrument noise will be rejected when the signals from the two electrodes are differenced. An acoustic navigation system utilizes a plurality of transponders to permit triangulation for accurate source-receiver ranging.

    Abstract translation: 所提供的系统和方法通过增加放置在长导线上的离散天线的数量来修改常规的海底长线电磁(LEM)接收机。 电场数据的两个偶极子彼此精确地定位,为位于长电线连接的海底测量单元内的同一数据记录器系统提供输入。 通过测量两个电极的幅度和相位的测量值,可以获得高精度的电场梯度。 当来自两个电极的信号不同时,任何共模噪声源,例如大地电磁信号和接收器仪器噪声将被拒绝。 声学导航系统利用多个转发器来允许用于准确的源 - 接收机测距的三角测量。

    Method and System for Detecting and Mapping Hydrocarbon Reservoirs Using Electromagnetic Fields
    3.
    发明申请
    Method and System for Detecting and Mapping Hydrocarbon Reservoirs Using Electromagnetic Fields 有权
    使用电磁场检测和绘制油气藏的方法和系统

    公开(公告)号:US20100250140A1

    公开(公告)日:2010-09-30

    申请号:US12377594

    申请日:2007-08-30

    CPC classification number: G01V3/12 G01V1/3835 G01V3/083

    Abstract: The system and method provided modify a conventional seafloor long-wire electromagnetic (LEM) receiver by increasing the number of discrete antennae placed on the long wire. Two dipoles of electric field data are positioned exactly adjacent to each other, providing input to the same data logger system located within a seafloor survey unit to which the long wire is connected. Highly precise electric field gradients can be obtained by taking the difference of the measurements of the two electrodes, both for amplitude and phase. Any common-mode source of noise, such as magnetotelluric signals and receiver instrument noise will be rejected when the signals from the two electrodes are differenced. An acoustic navigation system utilizes a plurality of transponders to permit triangulation for accurate source-receiver ranging.

    Abstract translation: 所提供的系统和方法通过增加放置在长导线上的离散天线的数量来修改常规的海底长线电磁(LEM)接收机。 电场数据的两个偶极子彼此精确地定位,为位于长电线连接的海底测量单元内的同一数据记录器系统提供输入。 通过测量两个电极的幅度和相位的测量值,可以获得高精度的电场梯度。 当来自两个电极的信号不同时,任何共模噪声源,例如大地电磁信号和接收器仪器噪声将被拒绝。 声学导航系统利用多个转发器来允许用于准确的源 - 接收机测距的三角测量。

    THREE-AXIS MARINE ELECTRIC FIELD SENSOR FOR SEAFLOOR ELECTRICAL RESISTIVITY MEASUREMENT
    4.
    发明申请
    THREE-AXIS MARINE ELECTRIC FIELD SENSOR FOR SEAFLOOR ELECTRICAL RESISTIVITY MEASUREMENT 有权
    用于海上电气电阻测量的三轴海洋电场传感器

    公开(公告)号:US20080094067A1

    公开(公告)日:2008-04-24

    申请号:US11573392

    申请日:2005-08-25

    CPC classification number: G01D9/005 G01V3/082 G01V3/083 G01V3/12 G01V3/15

    Abstract: A sensor for electric field measurement at the floor of a body of water has at least one pair of square or rectangular electrodes (139, 140) with a known area positioned in parallel separated by a distance and connected by a resistor (120) having a value that matches the resistance of the water between the electrodes. The detected electric fields may be naturally-occurring or artificially generated using a controlled electromagnetic (EM) source. In a preferred embodiment, three pairs of square or rectangular parallel electrodes (139-144) are arranged to form the six sides of a rectangular prism or cube, thus providing for electric field measurement along three axes to provide horizontal and vertical measurements of a hydrocarbon reservoir or other feature of interest under the floor of the body of water

    Abstract translation: 用于在水体地板处进行电场测量的传感器具有至少一对正方形或矩形电极(139,140),其中已知区域平行隔开一段距离,并通过电阻器(120)连接,所述电阻器(120)具有 值与电极之间的水的电阻相匹配。 检测到的电场可能是使用受控电磁(EM)源自然产生或人为产生的。 在优选实施例中,三对正方形或矩形平行电极(139-144)被布置成形成矩形棱柱体或立方体的六个侧面,从而提供沿着三个轴的电场测量,以提供碳氢化合物的水平和垂直测量 水库或其他在水体底部感兴趣的特征

    Long baseline navigation system
    5.
    发明授权
    Long baseline navigation system 有权
    长基线导航系统

    公开(公告)号:US09389331B2

    公开(公告)日:2016-07-12

    申请号:US13564670

    申请日:2012-08-01

    CPC classification number: G01V3/12 G01V1/3835 G01V3/083

    Abstract: An acoustic navigation system includes a vessel and an interrogation unit towed behind the vessel below the surface of the water, a tail acoustic transponder trailing behind the interrogation unit, and a pair of surface acoustic transponders towed behind the vessel on the surface of the body of water. The interrogation unit generates an acoustic interrogation signal and receives responses from each of the tail acoustic transponder and the surface acoustic transponders from which it triangulates its position. The surface acoustic transponders may further include GPS receivers for receiving positioning information from GPS satellites. Additional acoustic transponders on instruments located on the floor of the body of water respond to the interrogation signal to allow triangulation of the location of the instruments.

    Abstract translation: 声学导航系统包括船舶和在水面下面的船只后面的询问单元,拖尾在询问单元后面的尾部声响应答器以及在船体表面上拖曳在船体后面的一对表面声学应答器 水。 询问单元产生声讯讯信号,并接收来自尾声响应器和表面声响应答器的响应,它们从其三角测量其位置。 声表面响应器还可以包括用于从GPS卫星接收定位信息的GPS接收器。 位于水体地板上的仪器上的附加声学应答器响应询问信号,以允许仪器位置的三角测量。

    Three-axis marine electric field sensor for seafloor electrical resistivity measurement
    6.
    发明授权
    Three-axis marine electric field sensor for seafloor electrical resistivity measurement 有权
    用于海底电阻率测量的三轴船用电场传感器

    公开(公告)号:US07482813B2

    公开(公告)日:2009-01-27

    申请号:US11573392

    申请日:2005-08-25

    CPC classification number: G01D9/005 G01V3/082 G01V3/083 G01V3/12 G01V3/15

    Abstract: A sensor for electric field measurement at the floor of a body of water has at least one pair of square or rectangular electrodes (139, 140) with a known area positioned in parallel separated by a distance and connected by a resistor (120) having a value that matches the resistance of the water between the electrodes. The detected electric fields may be naturally-occurring or artificially generated using a controlled electromagnetic (EM) source. In a preferred embodiment, three pairs of square or rectangular parallel electrodes (139-144) are arranged to form the six sides of a rectangular prism or cube, thus providing for electric field measurement along three axes to provide horizontal and vertical measurements of a hydrocarbon reservoir or other feature of interest under the floor of the body of water.

    Abstract translation: 用于在水体地板处进行电场测量的传感器具有至少一对正方形或矩形电极(139,140),其中已知区域平行隔开一段距离,并通过电阻器(120)连接,所述电阻器(120)具有 值与电极之间的水的电阻相匹配。 检测到的电场可能是使用受控电磁(EM)源自然产生或人为产生的。 在优选实施例中,布置三对正方形或矩形平行电极(139-144)以形成矩形棱柱体或立方体的六个侧面,从而提供沿三个轴线的电场测量,以提供碳氢化合物的水平和垂直测量 水库或其他在水体底部感兴趣的特征。

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