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    • 22. 发明授权
    • Segmented tubular body
    • 分段管体
    • US07897915B2
    • 2011-03-01
    • US12339758
    • 2008-12-19
    • David R. HallPaula TurnerScott WoolstonNathan Nelson
    • David R. HallPaula TurnerScott WoolstonNathan Nelson
    • G01V5/10
    • G01V5/10
    • In one aspect of the invention, a downhole tool string component comprises a tubular body with a first and a second tool joint adapted to connect to adjacent tool string components, and a central bore adapted to pass drilling mud between the joints. A sleeve circumferentially disposed about an outer surface of the tubular body. The sleeve is rigidly attached to the outer surface at first and second sleeve ends and forming at least three stabilizer blades. A nuclear source and at least one nuclear detector are disposed within a gap formed between the inner surface of the sleeve and the outer surface of the tubular body.
    • 在本发明的一个方面,井下工具串组件包括具有适于连接到相邻工具组件的第一和第二工具接头以及适于在接头之间通过钻井泥浆的中心孔的管状体。 围绕管状体的外表面周向设置的套筒。 套筒在第一和第二套筒端部处刚性地附接到外表面并且形成至少三个稳定器叶片。 核源和至少一个核检测器设置在形成在套管的内表面和管状体的外表面之间的间隙内。
    • 24. 发明授权
    • Externally guided and directed halbach array field induction resistivity tool
    • 外部引导和导向的halbach阵列场感应电阻率工具
    • US07541813B2
    • 2009-06-02
    • US11776484
    • 2007-07-11
    • Harold L. Synder, Jr.Paula Turner
    • Harold L. Synder, Jr.Paula Turner
    • G01V3/10G01V3/18
    • G01V3/28
    • In one aspect of the invention an induction resistivity tool incorporated into a downhole tool string comprises an outer wall of a downhole component having an outer diameter. At least one induction transmitter assembly is disposed along the outer diameter. The transmitter assembly comprises at least one coil array and at least one induction transmitter coil wound about at least one core. The coil array comprises a plurality of magnetic units and each unit comprising a magnetic field orientation. The magnetic field orientations accumulatively form a Halbach array with an augmented field side and a canceled field side of the array. The transmitter assembly generates an induction signal from outside the outer wall and substantially prevents the signal from entering the outer wall when the transmitter assembly is carrying an electrical current.
    • 在本发明的一个方面,结合到井下工具串中的感应电阻率工具包括具有外径的井下部件的外壁。 至少一个感应发射器组件沿着外径设置。 发射器组件包括至少一个线圈阵列和绕至少一个磁芯缠绕的至少一个感应发射器线圈。 线圈阵列包括多个磁性单元,并且每个单元包括磁场取向。 磁场取向累积地形成具有阵列的增强场侧和取消的场侧的Halbach阵列。 发射器组件从外壁外部产生感应信号,并且当发射器组件承载电流时基本上防止信号进入外壁。
    • 25. 发明申请
    • Externally Guided and Directed Field Induction Resistivity Tool
    • 外部引导和定向场感应电阻工具
    • US20080265893A1
    • 2008-10-30
    • US11776447
    • 2007-07-11
    • Harold L. SnyderPaula Turner
    • Harold L. SnyderPaula Turner
    • G01V3/18G01V3/30H01F27/32
    • G01V3/28
    • In one aspect an induction resistivity tool incorporated into a downhole tool string comprises an outer wall of a downhole component comprising an outer diameter and at least one induction transmitter assembly disposed along the outer diameter. The at least one transmitter assembly comprises at least one induction transmitter coil wound about at least one core. The at least one transmitter coil is adapted to project an induction signal outward from the outer wall when the at least one transmitter coil is carrying an electrical current. The transmitter assembly is adapted to create electromagnetic fields that originate the induction signal from outside the outer wall and substantially prevent the signal from entering the outer wall.
    • 一方面,结合到井下工具串中的感应电阻率工具包括井下部件的外壁,其包括沿着外径设置的外径和至少一个感应发射器组件。 所述至少一个发射器组件包括绕至少一个芯线缠绕的至少一个感应发射器线圈。 当至少一个发射器线圈承载电流时,所述至少一个发射器线圈适于将感应信号从外壁向外突出。 发射器组件适于产生从外壁起源于感应信号的电磁场,并且基本上防止信号进入外壁。
    • 28. 发明申请
    • System and Method for Wirelessly Communicating with a Downhole Drill String
    • 与井下钻杆无线通讯的系统和方法
    • US20070257811A1
    • 2007-11-08
    • US11379729
    • 2006-04-21
    • David HallChristopher DurrandPaula TurnerJoe Fox
    • David HallChristopher DurrandPaula TurnerJoe Fox
    • G01V3/00
    • E21B47/122
    • A system for communicating with a downhole network integrated into a downhole drill string is disclosed in one aspect of the invention as including a data transmission coupler mounted to a downhole tool and adapted to transmit data across a tool joint. The data transmission coupler is also capable of transmitting data by emitting electromagnetic radiation. An antenna is focused at and positioned within sufficient range of the data transmission coupler to detect the electromagnetic radiation and receive the data. This data may then be transmitted to a receiver or other equipment. In certain embodiments, the antenna is located above ground level and may be mounted to a swivel, derrick, hoist system, kelly, or other structure. The antenna is ideally mounted to a structure which is out of the way of equipment and workers working on the drill string.
    • 在本发明的一个方面,公开了一种用于与集成到井下钻柱中的井下网络通信的系统,包括安装在井下工具上并适于通过工具接头传输数据的数据传输耦合器。 数据传输耦合器还能够通过发射电磁辐射来传输数据。 天线被聚焦在并位于数据传输耦合器的足够范围内,以检测电磁辐射并接收数据。 然后可以将该数据发送到接收机或其他设备。 在某些实施例中,天线位于地平面以上并且可以安装到旋转,井架,起重机系统,凯利或其他结构。 天线理想地安装在结构上,这种结构不利于在钻柱上工作的设备和工人。