Borehole Logging Services
Wireline Workshop 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)
