It is designed for monitoring and real-time path control of directional and horizontal small-diameter wells drilled underbalanced with mud motors, with coiled tubing used as drilling tools.
Details

Description


Technical Features

Parameters Values
Measuring range:
  • inclination angle, degrees
  • azimuth, degrees
  • toolface, degrees
  • mud motor shaft rotation frequency, rpm
  • WOB, kN
  • internal and external pressure, MPa
  • natural gamma radiation exposure rate, mcR/h
  • integral vibration level, m/s2

  • 0-180
  • 0-360
  • 0-360
  • 0-300
  • 0-100
  • 0-40
  • 0-250
  • 0-100
Permissible intrinsic measurement error:
  • inclination angle, degrees
  • azimuth, degrees
    • in the range of inclination angles 3-7°; 173-177°
    • in the range of inclination angles 7-173°
  • toolface, degrees:
    • in the range of inclination angles 3-7°; 173-177°
    • in the range of inclination angles 7-173°
  • mud motor shaft rotation frequency, %
  • WOB, %
  • internal and external pressure, %
  • natural gamma radiation exposure rate, %
  • integral vibration level, %

  • ±0,2

  • ±3
  • ±1,5

  • ±4
  • ±1
  • ±10
  • ±10
  • ±10
  • ±15
  • ±10
Maximum operating temperature, °С 100
Maximum hydrostatical pressure, MPa 40
Overall dimensions of the downhole tool, mm:
  • outer diameter
  • length

  • 90
  • 12000
Weight of the downhole tool assembly without diamagnetic pipes, kg 60