Borehole Logging

Borehole Logging Services

Wireline Alliance offer a comprehensive range of borehole logging technology to the mineral exploration practitioner. Services include, but are not limited to:

Borehole Parameters

  • Dummy Sonde (borehole depth, safety and fluid level)
  • Single, Dual or Three Armed Caliper (calibrated diameter)
  • Four Arm Caliper (orientated borehole geometry)
  • Sonic 360 Degree Orientated Caliper (from televiewer)
  • Magnetic Borehole Verticality
  • Continuous Gyroscopic Borehole Navigation
  • Fibre Optic North-Seeking Gyroscopic Borehole Navigation
  • Cement Bond Log and Casing Collar Locator / Gamma Ray

Fluid Parameters

  • Fluid Sampling Tool (one or two litre chamber)
  • Fluid Temperature and Differential Temperature
  • Fluid Conductivity and Differential Conductivity
  • Impeller Flowmeter (spinner)
  • Heat Pulse Flowmeter (point measurement)

Seismic Parameters

  • Multi-Channel Compensated P-Wave Sonic
  • Four Channel Full Waveform Sonic (P, S and Stoneley waves)
  • Dual Compensated Density (for acoustic impedance)
  • Seismic Reference Survey (using airgun or vibroseis truck)
  • Synthetic Seismogram (from acoustic impedance profile)
  • Three Component Vertical Seismic Profile

Lithological Parameters

  • Total Natural Gamma Ray (calibrated in UPPM, API or KCl)
  • Spectral Gamma Ray (K, U and Th)
  • Dual Ultra-Slim Density / Natural Gamma Ray (calibrated)
  • Dual Compensated Sidewall Density / Gamma Ray / Caliper
  • Dual Density Porosity / Gamma Ray
  • Dual Compensated Neutron Porosity / Gamma Ray
  • Multi-Channel Compensated Sonic Porosity
  • Dual Focussed Resistivity / SP / Gamma Ray
  • Dual Inductive Conductivity (wet and dry hole or thru-PVC)
  • Induced Polarisation (normal and electrode decay time)
  • Magnetic Susceptibility (calibrated and borehole compensated)

Structural and Geotechnical Parameters

  • Ultra High Resolution Optical Televiewer / Navigation
  • High Resolution Acoustic Televiewer / Gamma Ray / Navigation
  • Slimline High Contrast (hard rock) Three-Arm Dipmeter / Navigation
  • Dual Axis Four-Arm Dipmeter / Verticality / Micro-Res / Navigation
  • Multi-Channel Compensated P-Wave Sonic
  • Four Channel Full Waveform Sonic (P, S and Stoneley waves)
  • Dual Compensated Density (for acoustic impedance)
  • Uniaxial Compressive Intact Rock Strength
  • Dynamic Moduli of Elasticity
  • Fracture Frequency, RQD
  • Fluid Ingress Depths (aligned with ATV Image)
  • Rock Mass Rating (based on Laubscher)