首页> 外国专利> METHOD AND APPARATUS FOR IMPROVED CURRENT FOCUSING IN GALVANIC RESISTIVITY MEASUREMENT TOOLS FOR WIRELINE AND MEASUREMENT-WHILE DRILLING APPLICATIONS

METHOD AND APPARATUS FOR IMPROVED CURRENT FOCUSING IN GALVANIC RESISTIVITY MEASUREMENT TOOLS FOR WIRELINE AND MEASUREMENT-WHILE DRILLING APPLICATIONS

机译:用于电缆和测量的电钻电阻率测量工具中改进的电流聚焦的方法和装置

摘要

A galvanic resistivity tool with one or more measurement electrodes and guard electrodes, and one or more shielding electrodes. The potential difference between the measurement electrodes and the guard electrodes is controlled to minimize current flow between the measurement electrodes and the shielding electrodes. This provides improved focusing and avoids effects of con tact impedance.
机译:一种具有一个或多个测量电极和保护电极以及一个或多个屏蔽电极的电电阻率工具。控制测量电极和保护电极之间的电势差以最小化测量电极和屏蔽电极之间的电流。这提供了改进的聚焦并避免了接触阻抗的影响。

著录项

  • 公开/公告号IN2007DN08058A

    专利类型

  • 公开/公告日2008-07-04

    原文格式PDF

  • 申请/专利权人

    申请/专利号IN8058/DELNP/2007

  • 申请日2007-10-18

  • 分类号G01V3/20;

  • 国家 IN

  • 入库时间 2022-08-21 20:07:39

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