Measurement Of Low Flow Water Movement

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Technique				Application
Natural Gamma (ng)				Formation Density Determination
Short Normal Resistivity				Formation Porosity Determination
Long Normal Resistivity				Sand Vs. Clay Layer Discrimination
Single Point Resistance (SPR)				Fracture Zone Identification
Spontaneous Potential (SP)				Fracture Zone Thickness And Dip Determination
Magnetic Susceptibility				Identification Of Water-Bearing Zones
Magnetic Field Vector				Measurement Of Low Flow Water Movement
Caliper				Measurement Of High Flow Water Movement
Fluid Temperature				Detection Of Mineralization
Fluid Conductivity				Detection Of Iron-Bearing Zones
Electromagnetic Induction (Formation Conductivity)				Detection Of Metal-Bearing Zones
Verticality				Cement Bond/Grout Evaluation
Full Waveform Sonic				Determination Of Screened Intervals
Digital Video				Location Of Casing Joints
Borehole Acoustic Televiewer (BHTV)				Location Of Bottom Of Casing
Borehole Optical Televiewer (OPTV)				Water Quality Evaluation
Heat Pulse Flowmeter				Borehole Orientation Measurement
Impeller Flowmeter				Borehole Diameter And Shape Measurement
Induced Polarization (IP)				Cavity Dimension Measurement
Borehole Gravity				Detection Of Bentonite Seals
Gamma Density (g-g)
Neutron Density
pH
Dissolved Oxygen (O₂)
Cavity Sonar
Cavity Ultrasound