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Wireline Remote Transmitting Tool (ERTT) This is a data transmission instrument supporting EDIB (ELIS Downhole Instrument Bus) protocol and its main function is to complete data communication between downhole tool string and surface system. It has auxiliary functions such as cable-head voltage monitor, downhole tool motor control and analog quantity such as SP, CCL, Cable Head Tension, Temperature and Mud Resistance.


  • Support downhole tools BUS protocol EDIB for ELIS System
  • High transmission rate
  • Three up-hole data transmission channels
  • Low error rate

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