Borehole Geophysics Techniques
- Natural Gamma (ng)
- Short Normal Resistivity
- Long Normal Resistivity
- Single Point Resistance (SPR)
- Spontaneous Potential (SP)
- Magnetic Susceptibility
- Magnetic Field Intensity
- Mechanical Caliper
- Acoustic Caliper
- Fluid Temperature
- Fluid Conductivity
- Electromagnetic Induction (Formation Conductivity)
- Verticality/Deviation
- Full Waveform Sonic
- Cement Bond Log (CBL)
- Vertical Seismic Profile (VSP)
- Digital Video
- Acoustic Televiewer
- Optical Televiewer
- Heat Pulse Flowmeter
- Impeller Flowmeter
- Water Quality/Discrete Depth Sampling
- Gamma Density (γ−γ)*
- Neutron Density*
- P-S Suspension Logging
- Cavity Sonar
Borehole Geophysics Applications
- Formation Density Determination
- Formation Porosity Determination
- Sand Vs. Clay Layer Discrimination
- Fracture Zone Identification
- Fracture Zone Thickness And Dip Determination
- Identification of Water-Bearing Zones
- Measurement of Low Flow Water Movement
- Measurement of High Flow Water Movement
- Detection of Mineralization
- Detection of Iron-Bearing Zones
- Detection of Metal-Bearing Zones
- Cement Bond/Grout Evaluation
- Determination of Screened Intervals
- Location of Casing Joints
- Location of Screened Intervals
- Water Quality Evaluation
- Borehole Deviation Measurement
- Borehole Deviation Measurement
- Cavity Dimension Measurement
- Detection of Bentonite Seals
Government
Military
Private
Historical
Marine
Superfund
