Techniques

Seismic Refraction

Seismic technique is one of the most developed geophysical techniques, providing vital information on subsurface, crucial for most of ...

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Electrical Resistivity Imaging

2D Resistivity Imaging uses an array of electrodes (typically 64) connected by multicore cable to provide a linear depth profile, or pseudosection...

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Refraction Micro-tremor

PARSAN also has launched for the first time in India, innovative technique of ReMi (Refraction Micro-tremor) having distinct edge over MASW and SASW...

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Crosshole/Downhole/Uphole Surveys

The primary purpose of obtaining crosshole data is to obtain the most detailed in situ seismic wave velocity profile for site-specific investigations...

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Ground Penetrating Radar

Ground Penetrating Radar, also known as GPR, Georadar, Subsurface Interface Radar, Geoprobing Radar, is a totally non-destructive...

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Induction Locator

Radio-detection uses the principles of electromagnetic to detect underground utilities. This principle works on the basis that a current flowing ...

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Micro Gravity Surveys

Gravimetry is a potential field technique which measures variations in the Earth's gravitational field. These variations are caused by density contrasts...

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Seismic Tomography

Borehole Seismic Tomography is used to derive an image of seismic velocity between two or more boreholes by measuring travel time between source and receivers...

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Downhole Seismic

Downhole seismic surveying is an important field method for determining key in-situ subsurface information for earthquake...

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Electromagnetic Surveys

The electromagnetic (EM) technique is based on the response of the ground to the propagation of an electromagnetic field created by the survey instrument...

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Gravity and Magnetic Surveys

Gravity Method is a potential field technique which measures variations in the Earth's gravitational field. These variations are caused by density contrasts...

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Passive Seismic Tomography

Passive Seismic Tomography is a new revolutionary geophysical exploration technique which uses the natural seismicity (microearthquakes)...

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Induced Polarization (IP) Method

The induced polarization method makes use of capacitive action of subsurface to locate zones where clay and conductive minerals are disseminated ...

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MASW (Multi Channel Analysis of Surface Waves)

PARSAN is stretching its wings to provide services for carrying out MASW for engineering projects...

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