LOCATING PIPE EXTERNAL EQUIPMENT IN A WELLBORE
    21.
    发明申请
    LOCATING PIPE EXTERNAL EQUIPMENT IN A WELLBORE 审中-公开
    井壁定位管外部设备

    公开(公告)号:US20170058662A1

    公开(公告)日:2017-03-02

    申请号:US14840955

    申请日:2015-08-31

    IPC分类号: E21B47/09

    CPC分类号: E21B47/0905

    摘要: A method for providing a location of equipment external to a downhole pipe within a wellbore by detecting or generating magnetic or electromagnetic fields within the downhole pipe and measuring the magnetic/electromagnetic field disturbances caused from one or more magnetic generating entities. The magnetic generating entities are detected from the magnetic/electromagnetic field disturbances and the location of the pipe external equipment is determined based upon the magnetic/electromagnetic field disturbances caused from the magnetic generating entities. In another embodiment, an apparatus that comprises at least one pipe external equipment coupled to a downhole pipe within the wellbore, and at least one magnetic field generating entities coupled relatively close or at a known geometric distance to the at least one pipe external equipment. The magnetic field generating entities are coupled to at least one pipe external equipment using a fastening component or installed in the downhole pipe or pipe mandrel.

    摘要翻译: 一种用于通过在井下管内检测或产生磁场或电磁场并测量由一个或多个磁性发生实体引起的磁/电磁场干扰来提供在井眼内的井下管外部设备的位置的方法。 从磁/电磁场干扰中检测出磁力发生实体,并根据磁力发生实体造成的磁场/电磁场干扰确定管道外部设备的位置。 在另一个实施例中,一种装置,其包括联接到井筒内的井下管道的至少一个管外部设备,以及至少一个与所述至少一个管道外部设备相对接近或已知几何距离耦合的磁场产生实体。 磁场产生实体使用紧固部件联接到至少一个管外部设备,或者安装在井下管或管芯中。

    METHOD FOR MEASURING UNDERGROUND BORING POSITION AND UNDERGROUND BORING POSITION MEASURING APPARATUS
    23.
    发明申请
    METHOD FOR MEASURING UNDERGROUND BORING POSITION AND UNDERGROUND BORING POSITION MEASURING APPARATUS 有权
    测量地下钻孔位置和地下钻孔位置测量装置的方法

    公开(公告)号:US20170002648A1

    公开(公告)日:2017-01-05

    申请号:US15113446

    申请日:2015-01-23

    摘要: The rotation angle around x axis, inclination angle and directional angle of a boring bit are obtained from the value measured with an accelerometer (22) and a three axis magnetic sensor integrally provided within the boring bit attached to the top of a rod array for boring. From these obtained values and the length corresponding to a rod, the amount of varied position according to boring by a length corresponding to a rod is obtained for each directional component. Further, the position of boring corresponding to boring in plural times with successive addition of rods is obtained through accumulating the amount of varied position for each directional component in respect of boring in plural times.

    摘要翻译: 通过加速度计(22)测得的x轴旋转角度,倾斜角度和钻孔方位角可以得到,该加速度计(22)和三轴磁性传感器一体设置在连接到杆阵列顶部的钻头中,用于钻孔 。 从这些获得的值和对应于杆的长度,针对每个方向分量获得根据镗孔变化的位置量与杆对应的长度。 此外,通过多次累积相对于镗孔的每个方向分量的变化位置的量,获得了连续添加棒多次对应于镗孔的钻孔位置。

    Casing mounted EM transducers having a soft magnetic layer
    24.
    发明授权
    Casing mounted EM transducers having a soft magnetic layer 有权
    具有软磁性层的套管式EM换能器

    公开(公告)号:US09513398B2

    公开(公告)日:2016-12-06

    申请号:US14082534

    申请日:2013-11-18

    摘要: Illustrative permanent electromagnetic (EM) monitoring systems and methods have a casing string positioned inside a borehole and equipped with one or more EM transducer modules having a layer of soft magnetic material that substantially encircles the casing string to amplify a signal response of a magnetic field transmitting and/or sensing element. The layer preferably has an axial dimension at least twice an axial dimension of the magnetic field sensing element, with a relative permeability at least twice that of the casing material. The magnetic field transmitting element can be a coil. The magnetic field sensing element can be a coil or a piezoelectric or magnetostrictive element that applies stress to an optical fiber. A well interface system communicates with the one or more EM transducer modules to transmit and/or collect EM signals over time. Additional casing strings may be provided in other nearby boreholes to enable tomographic mapping and monitoring of fluid interfaces in the reservoir.

    摘要翻译: 示例性的永久电磁(EM)监测系统和方法具有位于钻孔内的套管柱,并且配备有一个或多个EM换能器模块,所述EM换能器模块具有基本上环绕套管柱的软磁材料层,以放大磁场传递的信号响应 和/或感测元件。 该层优选地具有至少两倍于磁场感测元件的轴向尺寸的轴向尺寸,相对磁导率至少是外壳材料的两倍。 磁场传输元件可以是线圈。 磁场感测元件可以是向光纤施加应力的线圈或压电或磁致伸缩元件。 井接口系统与一个或多个EM换能器模块通信以随时间传输和/或收集EM信号。 可以在其他附近的钻孔中提供附加的套管柱,以使得能够对储层中的流体界面进行断层图的映射和监测。

    EVALUATION TOOL FOR CONCENTRIC WELLBORE CASINGS
    26.
    发明申请
    EVALUATION TOOL FOR CONCENTRIC WELLBORE CASINGS 有权
    浓缩井眼箱的评估工具

    公开(公告)号:US20160245779A1

    公开(公告)日:2016-08-25

    申请号:US15026194

    申请日:2015-07-10

    IPC分类号: G01N27/82 E21B47/00

    摘要: A system comprises one or more first electromagnetic coils configured to generate and direct first excitation signals toward a plurality of casings in a wellbore and receive response signals based on the excitation signals. The system also comprises a magnetic field source configured to generate a static magnetic field in a particular casing of the plurality of casings and a magnetometer configured to receive response signals based on the static magnetic field in the particular casing. The system further comprises one or more processors configured to receive a first response signal from the one or more electromagnetic coils, receive a second response signal from the magnetometer, and determine, based on the first response signal and the second response signal, whether a defect exists in the plurality of casings.

    摘要翻译: 系统包括一个或多个第一电磁线圈,其被配置为产生并将第一激励信号引导到井眼中的多个壳体,并且基于激励信号接收响应信号。 该系统还包括被配置为在多个壳体的特定壳体中产生静态磁场的磁场源和被配置为基于特定壳体中的静态磁场接收响应信号的磁力计。 该系统还包括一个或多个处理器,被配置为从一个或多个电磁线圈接收第一响应信号,从磁力计接收第二响应信号,并且基于第一响应信号和第二响应信号确定缺陷 存在于多个壳体中。

    Downhole Gradiometric Ranging Utilizing Transmitters & Receivers Having Magnetic Dipoles
    28.
    发明申请
    Downhole Gradiometric Ranging Utilizing Transmitters & Receivers Having Magnetic Dipoles 审中-公开
    利用具有磁偶极子的变送器和接收器的井下测深测距

    公开(公告)号:US20160216397A1

    公开(公告)日:2016-07-28

    申请号:US15025738

    申请日:2014-09-18

    IPC分类号: G01V3/26 E21B47/022 E21B7/06

    摘要: A ranging system utilizes gradiometric data to determine the distance between a first and second well without any knowledge or involvement of the borehole or formation characteristics. In general, this is achieved by deploying a downhole assembly comprising transmitters and receivers having magnetic dipoles, along with bucking receivers positioned between the transmitters and receivers, wherein the gradient field is measured in a radial direction along the downhole assembly.

    摘要翻译: 测距系统利用梯度数据来确定第一井和第二井之间的距离,而无需知道或涉及钻孔或地层特征。 通常,这是通过部署包括具有磁偶极子的发射器和接收器的井下组件以及位于发射器和接收器之间的屈曲接收器来实现的,其中梯度场沿着井下组件在径向方向上测量。

    Rotational Wellbore Ranging
    29.
    发明申请
    Rotational Wellbore Ranging 有权
    旋转井眼测距

    公开(公告)号:US20160216396A1

    公开(公告)日:2016-07-28

    申请号:US14392301

    申请日:2013-07-31

    IPC分类号: G01V3/26 E21B47/022

    摘要: In one example of rotational ranging in a wellbore in which a wellbore component having an axis of rotation is disposed, a wellbore ranging sensor is disposed on a circumferential area surrounding the axis of rotation. The sensor is moved on the circumferential area to multiple distinct sensing positions. At each sensing position, a magnetic field from another wellbore that is apart from the wellbore is measured resulting in multiple magnetic field measurements at the multiple distinct sensing positions. The multiple magnetic field measurements are provided to determine a position of the wellbore relative to the other wellbore using at least a subset of the multiple magnetic field measurements.

    摘要翻译: 在其中设置有具有旋转轴线的井眼部件的井眼中的旋转范围的一个示例中,井筒测距传感器设置在围绕旋转轴线的圆周区域上。 传感器在圆周区域上移动到多个不同的感测位置。 在每个感测位置处,测量来自与井眼分离的另一个井眼的磁场,导致在多个不同感测位置处的多个磁场测量。 提供多个磁场测量以使用多个磁场测量的至少一个子集来确定井眼相对于另一井筒的位置。

    Selective Magnetic Positioning Tool
    30.
    发明申请
    Selective Magnetic Positioning Tool 有权
    选择性磁定位工具

    公开(公告)号:US20160208580A1

    公开(公告)日:2016-07-21

    申请号:US14367141

    申请日:2013-07-31

    摘要: An actuation device comprises a housing, and a plurality of permanent magnets disposed about the housing. The plurality of permanent magnets is configured to selectively transition between a first position and a second position. The plurality of permanent magnets is configured to provide a stronger magnetic field strength outside the housing than inside the housing in the first position, and wherein the plurality of permanent magnets is configured to provide a stronger magnetic field strength inside the housing than outside the housing in the second.

    摘要翻译: 致动装置包括壳体和围绕壳体设置的多个永磁体。 多个永久磁铁构造成选择性地在第一位置和第二位置之间转换。 所述多个永久磁铁构造成在所述壳体内部比所述第一位置在所述壳体外部提供更强的磁场强度,并且其中所述多个永久磁铁被配置为在所述壳体内部提供比所述壳体外侧更强的磁场强度 第二。