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    • 3. 发明申请
    • FLEXIBLE ANTENNA ASSEMBLY FOR WELL LOGGING TOOLS
    • 灵活的天线装配用于井下工具
    • WO2015084411A1
    • 2015-06-11
    • PCT/US2013/073735
    • 2013-12-06
    • HALLIBURTON ENERGY SERVICES, INC.
    • HENSARLING, Jesse, KevinSITKA, Mark, Anthony
    • H01Q1/04
    • H01Q1/04E21B47/02216E21B47/18E21B49/00G01V3/30H01Q1/085H01Q11/08H01Q21/29
    • A disclosed example embodiment includes an antenna assembly for use in a well logging system. The antenna assembly includes a flexible, non-conductive cylindrical core having an outer surface and an electrically conductive path positioned on the outer surface of the core. The electrically conductive path forms an electromagnetic coil operable to transmit or receive electromagnetic energy. The electrically conductive path is formed on the core without winding a wire around the core using, for example, a removal process selected from the group consisting of milling, machining, etching and laser removal, an additive process selected from the group consisting of printing with conductive and dielectric inks and silk screening with conductive and dielectric epoxies or an integrated material deposition process such as a multi-material 3D printing process. The antenna assembly may be flexible mounted on a tubular member during assembly of a well logging tool.
    • 所公开的示例性实施例包括用于测井系统中的天线组件。 天线组件包括具有外表面和位于芯的外表面上的导电路径的柔性非导电圆柱形芯。 导电路径形成可操作以传送或接收电磁能的电磁线圈。 使用例如从铣削,机加工,蚀刻和激光去除组成的组中选择的去除工艺,在芯上形成导电路径,而不用绕线芯缠绕线,添加剂工艺选自由以下组成的组: 导电和电介质油墨以及具有导电和介电环氧树脂的丝网印刷或诸如多材料3D印刷工艺的整体材料沉积工艺。 在测井工具的组装期间,天线组件可以柔性地安装在管状构件上。
    • 4. 发明申请
    • PROBE ASSEMBLY FOR PERFORMING ELECTROMAGNETIC FIELD MAPPING AROUND AN ANTENNA
    • 用于执行天线周围的电磁场映射的探测器组件
    • WO2016025170A1
    • 2016-02-18
    • PCT/US2015/042612
    • 2015-07-29
    • HALLIBURTON ENERGY SERVICES, INC.
    • HENSARLING, Jesse, KevinGRIFFING, Matthew, Chase
    • E21B47/00G01V3/18G01V3/26G01V3/28
    • G01R29/10G01V3/28
    • A probe assembly for performing electromagnetic (EM) field mapping around an antenna, the probe assembly comprising a probe head base and three coils wrapped around the base and oriented in different directions. An EM field mapping apparatus to acquire multicomponent EM field measurements comprised of a non-metallic/non-magnetic frame, a set of linear motion actuators, a probe, a sensor, and a controller. An EM logging method that comprises constructing an EM logging tool having one or more antennas, mapping an EM field pattern for each of the one or more antennas, deriving an EM logging tool model, obtaining measurements using the EM logging tool, and inverting/transforming the measurements using the EM logging tool model to obtain the estimated formation.
    • 用于在天线周围执行电磁(EM)场映射的探针组件,所述探针组件包括探头头部基座和围绕所述基座缠绕并且在不同方向上定向的三个线圈。 一种用于获取由非金属/非磁性框架,一组线性运动致动器,探针,传感器和控制器组成的多组分EM场测量的EM场映射设备。 一种EM记录方法,包括构建具有一个或多个天线的EM测井工具,映射所述一个或多个天线中的每一个的EM场模式,导出EM测井工具模型,使用EM测井工具获得测量值,以及反转/变换 使用EM测井工具模型进行测量以获得估计的形成。