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5255 McCall Way NE #170, Calgary, AB T2E 7J5, Canada

GTC-10 | 1-11/16” Gamma Ray\Temperature\CCL Tool

The DSS 1 11/16” Is a multi purpose pulse Tool (GTC). It includes a platinum RTD (Resistance Temperature Detector) which provides high resolution data with fast temperature response. This tool
also includes a Sodium Iodide scintillation crystal and photomultiplier tube which demonstrate high
sensitivity and resolution. The last device in this tool is a magnetic casing collar locator

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  • Borehole fluid temperature.
  • Depth correlation.
  • Combine two services in one run.


  • Rated for High-temperature and high-pressure environments.
  • Open basket design through which fluid can easily flow for accurate measurement.
  • CCL outputs a line shake signal to the surface.
  • Temperature tool outputs positive pulses calibrated to 20 counts/°C.
  • Gamma Ray tool outputs negative pulses of actual Gamma Ray detector.
  • Gamma-Ray maximum output of 5000 counts
  • Compatible with most surface systems.
  • Designed to make pulse conflicts impossible.
  • Electronic design verified for 1 hour operation at 415°F to ensure reliability.
  • H2S resistant materials.


Tool Operating Voltage 100-150 VDC Tool Length (make-up) 135.25 cm (53.25 in)
Tool Operating Current 25-35 mA Tool Length (shipping) 136.83 cm (53.87 in)
Output Pulses Amplitude Pos. & Neg. ~10 VDC Tool Weight 9.5 Kg (21.0 Lb)
Output Pulses Width 25 µS 0 to 5000 Count Gamma Ray Point from Top of Tool
Max. Pressure 172.4 Mpa (25 000 PSI) CCL Point from Top of Tool
Max. Temperature 204°C (400°F) Borehole Fluids Oil – Fresh Water – Brine
Tool Diameter – OD 42.85 mm(1 11/16 in) Top End Connector Contact Socket Go Female



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