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Solve A Geophysical Problem


Engineering/Infrastructure
ApplicationGeophysical MethodExampleBest Tool
Rippability/fracture analysis/weathered layer investigations/Seismic refraction
Magnetotellurics
ex
ex1 ex2
SmartSeis
Stratagem
Depth to bedrock/buried channel delineationSeismic refraction
Seismic reflection
Multi-channel Analysis of Surface Waves [MASW]
Electrical resistivity
ex11ex22
ex
ex1 ex2

ex
SmartSeis
Geode
ES-3000

Ohmmapper
Water table/aquifer studiesSeismic refraction
Electrical resistivity
Seismic reflection
Magnetotellurics
ex
.
.
ex
SmartSeis
OhmMapper
Geode
Stratagem
Site survey analysis [IBC Vs-30, Vs-100]Multi-channel Analysis of Surface Waves [MASW].ES-3000
Marine fault investigationsSeismic refraction
Seismic reflection
.
ex
SmartSeis
P-Cable
Land fault investigationsSeismic reflection
Seismic refraction
Electrical resistivity
Magnetotellurics
Magnetometry
ex
.
.
.
ex1 ex2
Geode
SmartSeis
Ohmmapper
Stratagem
G-824A
Seismic Risk EvaluationMulti-channel Analysis of Surface Waves [MASW]
Downhole seismic
Crosshole seismic
.

.
.
ES-3000

SmartSeis
SmartSeis
Dike and levee inspectionElectrical resistivity
Seismic reflection
ex
.
Ohmmapper
Geode
Mapping p-wave velocity/
bulk modulus
Seismic refraction
Downhole seismic
Crosshole seismic
.
.
.
SmartSeis
SmartSeis
SmartSeis
Mapping shear-wave velocity/shear modulusMulti-channel Analysis of Surface Waves [MASW]
Downhole seismic
Seismic refraction
Crosshole seismic
.

.
.
.
ES-3000

SmartSeis
SmartSeis
SmartSeis
Void/sinkhole/abandoned mine detectionElectrical resistivity
Multi-channel Analysis of Surface Waves [MASW]
ex

.
OhmMapper

ES-3000
Permafrost InvestigationsElectrical resistivity
CSAMT
ex1 ex2
ex
OhmMapper
Stratagem
Peat StudiesElectrical resistivityexOhmMapper

Oil and Gas
ApplicationGeophysical MethodExampleBest Tool
Marine GeohazardSeismic reflectionexP-Cable
Marine oil and gas explorationSeismic reflectionexP-Cable
Gas hydrates explorationSeismic reflectionex [pp 64-68]P-Cable
Statics correctionsSeismic refraction.StrataVisor
CO2/steam injection monitoringSeismic reflection.Land: Geode DZ
Marine: P-Cable
Mapping subsea fluid migrationSeismic reflectionexP-Cable
Geologic/lithologic/
structural mapping
Seismic reflection.Land: Geode DZ
Marine: P-Cable

Mining
ApplicationGeophysical MethodExampleBest Tool
Coal explorationSeismic reflectionexGeode
Base metal/mineral/
ore deposit exploration
Magnetometry
Magnetotellurics
CSAMT
.
.
ex
G-859
Stratagem
Geode EM 3D
Oil sand exploitationMagnetotelluricsexStratagem
Kimberlite diamond explorationElectrical resistivity
Magnetometry
ex
.
OhmMapper
G-824A

Security
ApplicationGeophysical MethodExampleBest Tool
Surveillance and perimeter securityContinuous seismic monitoring
Magnetometry
.
.
Geode DZ
G-862RBS
Tunnel Activity DetectionContinuous seismic monitoring.Geode DZ

Environmental/Ground Water
ApplicationGeophysical MethodExampleBest Tool
Water quality/contaminant plume delinationElectrical resistivityex
Ohmmapper
Ground water exploration/ hydrogeologyMagnetotellurics

CSAMT

Electrical resistivity
.

ex1 ex2 ex3

.
Geode EM 3D

Stratagem

Ohmmapper
Finding abandoned well casingsMagnetometryexG-858-Gradiometer
Utility mappingMagnetometryexLand: G-858-Gradiometer
Marine: G-882 TVG
Underground Storage Tanks (UST)MagnetometryexG-858-Gradiometer

Unexploded Ordnance (UXO) detection
(not including mines)
ApplicationGeophysical MethodExampleBest Tool
Land

Marine
TDEM
Magnetometry
Magnetometry
.
ex
ex
MetalMapper 2×2
G-858 MagMapper
G-882

Other Applications
ApplicationGeophysical MethodExampleBest Tool
Geothermal explorationMagnetotellurics.Geode EM 3D
Agricultural geophysicsElectrical resistivityex1 ex2Ohmmapper
ArchaeologyMagnetometry
Electrical resistivity
ex
.
G-858 MagMapper
Ohmmapper
Regional geology/mapping basement rockMagnetometryexG-824A

1Courtesy of Spectrum Geophysics (Direct link to article)
2Courtesy of Bayero Journal of Pure and Applied Science (Direct download)

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