PMM Guardian

Permanent Magnet Motor Safety

PMM Guardian keeps your field staff safe by offering mechanical solutions to prevent lethal electrical hazards.

All tools are verifiable and do not have to be integrated into the ESP string allowing for field standardization even if multiple ESP vendors are being utilized.

  1. Installation - Run in hole
    Requirement - the motor shaft cannot spin
    Solution - positive barrier in the tubing string to prevent reservoir pressure from spinning the pump
    Tool - Dissolvable Pump Out Plug
  2. Operation
    Requirement - regenerative power cannot move into the transformer or variable speed drive
    Solution - high voltage disconnect driven via a relay from the variable speed drive
    Tool - Auto Safety Disconnect
  3. Removal - Pull out of hole
    Requirement - the motor shaft cannot spin
    Solution - positive barrier in the tubing string plus a tubing drain for a path of least resistance
    Tool - Internal Sleeve Drain

Still have questions - contact us here --> info@republicoiltools.com

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