Vertical Electrical Sounding Configurations

GEOTHERMAL ENERGY

Exploration Technique: Vertical Electrical Sounding Configurations

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Exploration Technique Information
Exploration Group:	Geophysical Techniques
Exploration Sub Group:	Electrical Techniques
Parent Exploration Technique:	Direct-Current Resistivity Survey
Information Provided by Technique
Lithology:	Rock composition, mineral and clay content
Stratigraphic/Structural:	Detection of permeable pathways, fracture zones, faults
Hydrological:	Resistivity influenced by porosity, grain size distribution, permeability, fluid saturation, fluid type and phase state of the pore water
Thermal:	Resistivity influenced by temperature
Cost Information
Low-End Estimate (USD):	45,052.004,505,200 centUSD <br />45.052 kUSD <br />0.0451 MUSD <br />4.5052e-5 TUSD <br /> / mile
Median Estimate (USD):	50,415.335,041,533 centUSD <br />50.415 kUSD <br />0.0504 MUSD <br />5.041533e-5 TUSD <br /> / mile
High-End Estimate (USD):	62,214.676,221,467 centUSD <br />62.215 kUSD <br />0.0622 MUSD <br />6.221467e-5 TUSD <br /> / mile
Time Required
Low-End Estimate:	3 days0.00821 years <br />72 hours <br />0.429 weeks <br />0.0986 months <br /> / job
Median Estimate:	5.65 days0.0155 years <br />135.6 hours <br />0.807 weeks <br />0.186 months <br /> / job
High-End Estimate:	15.50 days0.0424 years <br />372 hours <br />2.214 weeks <br />0.509 months <br /> / job

Vertical Electrical Sounding Configurations:

A vertical electrical sounding (VES) is a DC resistivity survey which provides information regarding the change in apparent resistivity with depth. A quantitative interpretation of the results from VES measurements enable determination of the parameters for the geoelectric section.

Other definitions:Wikipedia Reegle

Field Procedures

Electrical sounding measurements are obtained by gradually increasing the electrode spacing in a DC resistivity survey about a fixed central point.

See Schlumberger Soundings

Physical Properties

See Electrical Techniques

References

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Page	Area	Activity Start Date	Activity End Date	Reference Material
Vertical Electrical Sounding Configurations At Mt Princeton Hot Springs Geothermal Area (Zohdy, Et Al., 1971)	Mt Princeton Hot Springs Geothermal Area	1971	1971	Resistivity sections, Upper Arkansas River Basin, Colorado

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1. Mt Princeton Hot Springs Geothermal Area

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