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IRZ TMS-MAGMA-28-400-230-K-E5M high-temperature downhole monitoring cable system for progressive cavity pump (PCP) and sucker-rod pump (SRP)


The system is used to control temperature and pressure of the medium inside the tubing and the annulus. It is optimal for use in assemblies with progressive cavity pumps or sucker-rod pumps at extreme temperatures (up to 230 °C) at a depth of up to 3000 meters.

System components

  • downhole sensor of BP-28VT series
  • surface readout unit of TMS-E5M series
  • mandrel М-117-NКТ73

Monitored parameters

  • formation fluid temperature
  • formation fluid pressure
  • pressure and temperature at the pump discharge

Principle of operation

The DMS is installed at the pump discharge and is connected to a high-temperature geophysical cable or an ESP power cable, which are output to the ground fittings and connected to the surface readout unit.


  • operation in high temperature conditions - up to +230 °С
  • high resolution of temperature and pressure measurement
  • ease of installation
  • possibility of effective use at a depth of up to 3000 m
  • automatic holding of a given dynamic level in the well
Max rated power 40 kW
Monitored formation fluid pressure range 0—600 kgf/cm2
Monitored formation fluid temperature range 0…+230 °С
Pressure control resolution 0.01 kgf/cm2
Reduced total pressure control error 1%
Temperature control resolution 0.01 °С
Reduced total temperature control error 1.5 %

Conventional designation of IRZ TMS-XXX downhole monitoring systems of special design
The IRZ TMS-XXX downhole monitoring system of a special design (XXX is the alphanumeric designation of the telemetry subtype), depending on the version.