Noralis Directional Module (NDM)

MWD’s First Integrated Electronics Solution

NDM’s replace expensive 20-years-old MWD technology with solid-state sensors, integrated microprocessor, and power management into one powerful and cost effective solution.

Solid State Sensors

• 27 sensors
  • 18 accelerometers
    • 6 – High Range
    • 12 – Low Range
  • 3 ruggedized magnetometers (solid state)
  • 3 shock sensors (x,y,z)
  • 2 temperature sensors
  • 1 gyro sensor
• Real Time proprietary algorithms constantly working

Electronics

• 32-bit Processor
• 24 x 16-bit A/D Converters
• Standard USB interface or Q-bus interface

Memory

• 32 Megabytes (20 days drilling)
  • Full 27-sensor array every 20 seconds
  • Gamma ray every 5 seconds
  • Real-time telemetry
  • Triggered Records (pumps on/off, voltage, shock/vibration thresholds)
• Memory Loop when full
  • Oldest data is removed, the most recent data is always available
• Lifetime Logs
  • Time at Temperature (10° C buckets)
  • Time at Peak Shock
  • Time at Average Shock
• Improved 10x download rate

Compatibility

• Standard End Connectors
• Interfaces with Standard Gamma and Pulsers
• Standard M-ARY encoding for Real-Time Variables
• Q-Bus capable

Advantages

• Cost - Significantly less expensive than competitors
• Accuracy (Meets Standard MWD Instrument Performance Model ISCWSA MWD Rev4)
• Reliability - Reduced # of boards, connections, and voltage rails
• Redundancy - 27 sensors, system automatically switches out any sensor that is bad
• Ruggedness - Many times higher shock ratings than delicate quartz sensors
• Length - Single chassis shorter than traditional tools
• Real Time Shock & Vib - The most options available (12 unique parameters)
• Tracking - All interactions with tools recorded automatically on a user web-portal in the Noralis HUB.

Related Features

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