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    • 3. 发明授权
    • Swivel assembly
    • 旋转总成
    • US07193527B2
    • 2007-03-20
    • US10710825
    • 2004-08-05
    • David R. HallDavid S. PixtonMichael BriscoeKline BradfordMichael RawleDavid B. BartholomewJames McPherson
    • David R. HallDavid S. PixtonMichael BriscoeKline BradfordMichael RawleDavid B. BartholomewJames McPherson
    • G01V3/00
    • G01V11/002Y10T403/17Y10T403/32213
    • A swivel assembly for a downhole tool string comprises a first and second coaxial housing cooperatively arranged. The first housing comprises a first transmission element in communication with surface equipment. The second housing comprises a second transmission element in communication with the first transmission element. The second housing further comprises a third transmission element adapted for communication with a network integrated into the downhole tool string. The second housing may be rotational and adapted to transmit a signal between the downhole network and the first housing. Electronic circuitry is in communication with at least one of the transmission elements. The electronic circuitry may be externally mounted to the first or second housing. Further, the electronic circuitry may be internally mounted in the second housing. The electronic circuitry may be disposed in a recess in either first or second housing of the swivel.
    • 用于井下工具串的旋转组件包括协同地布置的第一和第二同轴壳体。 第一壳体包括与表面设备连通的第一传动元件。 第二壳体包括与第一传动元件连通的第二传动元件。 第二壳体还包括适于与集成在井下工具串中的网络通信的第三传动元件。 第二壳体可以旋转并且适于在井下网络和第一壳体之间传输信号。 电子电路与至少一个传输元件通信。 电子电路可以从外部安装到第一或第二壳体。 此外,电子电路可以内部安装在第二壳体中。 电子电路可以设置在旋转体的第一或第二壳体中的凹部中。
    • 4. 发明授权
    • Apparatus for reducing noise
    • 减少噪音的设备
    • US07132904B2
    • 2006-11-07
    • US10906387
    • 2005-02-17
    • David R. HallMichael RawleDavid B. Bartholomew
    • David R. HallMichael RawleDavid B. Bartholomew
    • H01P5/00G01V3/02
    • E21B17/028E21B47/122
    • An apparatus for electromagnetically connecting surface equipment to a rotating downhole tool string comprises a plurality of electrical conductors, first and second differential interfaces, and at least one electromagnetic shield. The plurality of electrical conductors have first ends terminating at the surface equipment and second ends terminating at the downhole tool string. The first differential interface is electrically connected to the first ends and the second differential interface is electrically connected to the second ends the electrical conductors. The first and second differential interfaces are adapted to transmit and receive a reference-independent differential signal. The electromagnetic shield surrounds and shields the electrical conductors and is connected to ground at one end. The apparatus is stationary relative to rotation of the tool string. Disclosed is an apparatus for electromagnetically connecting a computer to a rotating downhole tool string comprising a plurality of electrical conductors, first and second differential interfaces, and an electromagnetic shield grounded to a drill rig at one end.
    • 用于将表面设备电磁连接到旋转井下工具串的装置包括多个电导体,第一和第二差分接口以及至少一个电磁屏蔽。 多个电导体具有终止于地面设备的第一端和终止于井下工具串的第二端。 第一差分接口电连接到第一端,并且第二差分接口电连接到第二端电导体。 第一和第二差分接口适于发送和接收参考无关差分信号。 电磁屏蔽围绕并屏蔽电导体并且在一端连接到地面。 该装置相对于工具串的旋转是静止的。 公开了一种用于将计算机电磁连接到包括多个电导体,第一和第二差分接口以及在一端接地到钻机的电磁屏蔽的旋转井下工具串的装置。
    • 5. 发明授权
    • System for testing properties of a network
    • 用于测试网络属性的系统
    • US07548068B2
    • 2009-06-16
    • US10904799
    • 2004-11-30
    • Michael RawleDavid B. BartholomewMarshall A. Soares
    • Michael RawleDavid B. BartholomewMarshall A. Soares
    • G01R31/11G01R27/04G01R27/32
    • G01V11/002
    • A method for identifying properties of a downhole electromagnetic network in a downhole tool sting, including the step of providing an electromagnetic path intermediate a first location and a second location on the electromagnetic network. The method further includes the step of providing a receiver at the second location. The receiver includes a known reference. The analog signal includes a set amplitude, a set range of frequencies, and a set rate of change between the frequencies. The method further includes the steps of sending the analog signal, and passively modifying the signal. The analog signal is sent from the first location through the electromagnetic path, and the signal is modified by the properties of the electromagnetic path. The method further includes the step of receiving a modified signal at the second location and comparing the known reference to the modified signal.
    • 一种用于识别井下工具刺破中的井下电磁网络的特性的方法,包括提供在电磁网络上的第一位置和第二位置之间的电磁路径的步骤。 该方法还包括在第二位置提供接收机的步骤。 接收机包括已知参考。 模拟信号包括设定幅度,设定的频率范围以及频率之间的设定变化率。 该方法还包括发送模拟信号和被动地修改信号的步骤。 模拟信号从第一位置通过电磁路径发送,信号由电磁路径的特性修改。 该方法还包括在第二位置接收修改的信号并将已知参考与修改的信号进行比较的步骤。
    • 6. 发明申请
    • Apparatus for Reducing Noise
    • 减少噪音的装置
    • US20060181364A1
    • 2006-08-17
    • US10906387
    • 2005-02-17
    • David HallMichael RawleDavid Bartholomew
    • David HallMichael RawleDavid Bartholomew
    • H01P5/00
    • E21B17/028E21B47/122
    • An apparatus for electromagnetically connecting surface equipment to a rotating downhole tool string comprises a plurality of electrical conductors, first and second differential interfaces, and at least one electromagnetic shield. The plurality of electrical conductors have first ends terminating at the surface equipment and second ends terminating at the downhole tool string. The first differential interface is electrically connected to the first ends and the second differential interface is electrically connected to the second ends the electrical conductors. The first and second differential interfaces are adapted to transmit and receive a reference-independent differential signal. The electromagnetic shield surrounds and shields the electrical conductors and is connected to ground at one end. The apparatus is stationary relative to rotation of the tool string. Disclosed is an apparatus for electromagnetically connecting a computer to a rotating downhole tool string comprising a plurality of electrical conductors, first and second differential interfaces, and an electromagnetic shield grounded to a drill rig at one end.
    • 用于将表面设备电磁连接到旋转井下工具串的装置包括多个电导体,第一和第二差分接口以及至少一个电磁屏蔽。 多个电导体具有终止于地面设备的第一端和终止于井下工具串的第二端。 第一差分接口电连接到第一端,并且第二差分接口电连接到第二端电导体。 第一和第二差分接口适于发送和接收参考无关差分信号。 电磁屏蔽围绕并屏蔽电导体并且在一端连接到地面。 该装置相对于工具串的旋转是静止的。 公开了一种用于将计算机电磁连接到包括多个电导体,第一和第二差分接口以及在一端接地到钻机的电磁屏蔽的旋转井下工具串的装置。
    • 7. 发明申请
    • Downhole Tool with Integrated Circuit
    • 带集成电路的井下工具
    • US20070023185A1
    • 2007-02-01
    • US11161270
    • 2005-07-28
    • David HallMichael RawleMonte Johnson
    • David HallMichael RawleMonte Johnson
    • E21B47/09
    • E21B17/003E21B17/006E21B17/028
    • A downhole tool has a tubular body with an end, an exterior wall, and a bore. A mating surface is formed intermediate the exterior wall and the bore in the end of the tubular body. The mating surface is adapted to couple to a second downhole tool and has an integrated circuit. In several embodiments, the integrated circuit is an RFID circuit in communication with a downhole network through an inductive coupler. A tool identification system has surface equipment with RFID interrogating circuitry connected to a protected integrated RFID circuit in a downhole tool string component through a downhole network. A method for identifying a tool in a downhole tool string includes transmitting signals between surface equipment and identification circuitry in the tool through the downhole network.
    • 井下工具具有带有端部,外壁和孔的管状体。 配合表面形成在外壁和管状体的端部中的孔之间。 配合表面适于联接到第二井下工具并具有集成电路。 在几个实施例中,集成电路是通过电感耦合器与井下网络通信的RFID电路。 工具识别系统具有表面设备,其具有RFID询问电路,其通过井下网络连接到井下工具串组件中的受保护的集成RFID电路。 用于识别井下工具串中的工具的方法包括通过井下网络在工具中的表面设备和识别电路之间传输信号。
    • 8. 发明申请
    • System for Testing Properties of a Network
    • 网络属性测试系统
    • US20060145889A1
    • 2006-07-06
    • US10904799
    • 2004-11-30
    • Michael RawleDavid BartholomewMarshall Soares
    • Michael RawleDavid BartholomewMarshall Soares
    • G01V3/00
    • G01V11/002
    • A method for identifying properties of a downhole electromagnetic network in a downhole too string, comprising the step of providing an electromagnetic path intermediate a first location and a second location on the electromagnetic network. The method further comprises the step of providing a receiver at the second location. The receiver comprises a known reference. The analog signal comprises a set amplitude, a set range of frequencies, and a set rate of change between the frequencies. The method further comprises the steps of sending the analog signal, and passively modifying the signal. The analog signal is sent from the first location through the electromagnetic path, and the signal is modified by the properties of the electromagnetic path. The method further comprises the step of receiving a modified signal at the second location and comparing the known reference to the modified signal.
    • 一种用于识别井下井下电磁网络的特性的方法,其包括在电磁网络上提供第一位置和第二位置之间的电磁路径的步骤。 该方法还包括在第二位置提供接收机的步骤。 接收机包括已知参考。 模拟信号包括设定幅度,设定的频率范围以及频率之间的设定变化率。 该方法还包括发送模拟信号和被动地修改信号的步骤。 模拟信号从第一位置通过电磁路径发送,信号由电磁路径的特性修改。 该方法还包括在第二位置接收修改的信号并将已知参考与修改的信号进行比较的步骤。
    • 10. 发明申请
    • Swivel Assembly
    • 旋转装配
    • US20050046586A1
    • 2005-03-03
    • US10710825
    • 2004-08-05
    • David HallDavid PixtonMichael BriscoeKline BradfordMichael RawleDavid BartholomewJames McPherson
    • David HallDavid PixtonMichael BriscoeKline BradfordMichael RawleDavid BartholomewJames McPherson
    • G01V11/00G01V3/00
    • G01V11/002Y10T403/17Y10T403/32213
    • A swivel assembly for a downhole tool string comprises a first and second coaxial housing cooperatively arranged. The first housing comprises a first transmission element in communication with surface equipment. The second housing comprises a second transmission element in communication with the first transmission element. The second housing further comprises a third transmission element adapted for communication with a network integrated into the downhole tool string. The second housing may be rotational and adapted to transmit a signal between the downhole network and the first housing. Electronic circuitry is in communication with at least one of the transmission elements. The electronic circuitry may be externally mounted to the first or second housing. Further, the electronic circuitry may be internally mounted in the second housing. The electronic circuitry may be disposed in a recess in either first or second housing of the swivel.
    • 用于井下工具串的旋转组件包括协同地布置的第一和第二同轴壳体。 第一壳体包括与表面设备连通的第一传动元件。 第二壳体包括与第一传动元件连通的第二传动元件。 第二壳体还包括适于与集成在井下工具串中的网络通信的第三传动元件。 第二壳体可以旋转并且适于在井下网络和第一壳体之间传输信号。 电子电路与至少一个传输元件通信。 电子电路可以从外部安装到第一或第二壳体。 此外,电子电路可以内部安装在第二壳体中。 电子电路可以设置在旋转体的第一或第二壳体中的凹部中。