Geophysical surveys can provide accurate and timely answers to questions with a minimum amount of disturbance to the surface of a site. In essence, geophysics allows you to “see below the surface” without having to excavate large areas or drill an inordinate number of boreholes. 

Gulf Survey Geophysical Department (GSG) Provides a broad range of geophysical expertise and services to our clients, who seek our noninvasive, surface-based geophysical capabilities for delineating the subsurface distribution of geologic material, water resources, and contaminated zones, as well as for locating potential natural hazards such as faults, karstic, cavity, and failure features. Using state-of-the- science geophysical instrumentation, and data processing methods (including joint inversions), Gulf Survey can rapidly and accurately locate, map, and interpret subsurface features and anomalies.

Onshore Methods 

Multichannel analysis of surface waves (MASW)

Seismic refraction & tomography

Borehole seismic methods including tomography (downhole and crosshole testing)

Ground penetrating radar (GPR)

Self-potential (SP)

Electrical resistivity tomography (ERT)

Geographic Information System (GIS)

VSP and check shot seismic

Groundwater exploration and assessment.

Vibration Monitoring

Digitizing Services.

Offshore Methods 

Marine Multichannel analysis of surface waves (Marine MASW)

Marine Electrical Resistivity Tomography (Marine ERT)

Marine Magnetic Survey

Marine Refraction

Marine Reflection

Single and Multi-Beam Echo Sounder

Geohazard surveys

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