RobertsonGeo - 4-Arm Caliper (GXY)
Well Logging System
    Model: 4-Arm Caliper (GXY)
    Country of Origiin: UK
    Use: The 4-Arm Caliper module consists of two pairs of linked caliper arms providing borehole size and orientated shape.
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The combination of X-Y caliper data allows for accurate borehole volume calculations, break-out investigation and stress analysis.

Principle of Measurement:
The X-Y caliper provides continuous measurements of the borehole diameter from two independent pairs of linked arms. Data from these can be combined with orientation data from the Telemetry module to provide an accurate record of borehole orientation, size and shape


SPECIFICATION:
Features
  • Sensitive X-Y caliper

Measurements
  • X and Y calipers
  • Borehole volume (derived)


Applications
  • Hydrocarbons/water/minerals/engineering
  • Borehole diameter in two axes
  • Borehole break-out for stress analysis
  • Cracks, fissures and casing defects

Operating Conditions
  • Borehole type: open/cased, water/air-filled
  • Centralisation: recommended

Specifications
  • Diameter: 63mm
  • Length: 2.35m (92.5”)
  • Weight: 23kg
  • Temperature: 125⁰C
  • Max. pressure: 5000 psi
  • Caliper range: 75mm to 700mm maximum
Solution
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STQ180170
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