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subsurface imaging services

  • Geoelectrical surveys

    The measurement of electrical resistivity of the subsurface is one of the oldest geophysical methods (VES). It was developed during the late 1980s and the early 1990s as an electrical 2D and 3D imaging method for mapping the resistivity distribution in the subsurface CVES/ERT. Electrical resistivity is effective for shallow subsurface mapping at a ...

    By Geotec Engineering & Environmental Geophysics Ltd based in rishon letzion, ISRAEL.

  • Sismic surveys

    A seismic survey is based on an energy source that excites seismic (elastic) waves in the subsurface. The seismic waves propagate in the subsurface and are reflected or refracted in the interfaces between mediums, having a different seismic velocity. The reflected and refracted waves are recorded on the surface by an array of receivers ...

    By Geotec Engineering & Environmental Geophysics Ltd based in rishon letzion, ISRAEL.

  • Geophysical Imaging and UXO Support Services

    ZAPATA provides professional, comprehensive, high resolution geophysical imaging, and UXO support services. From subsurface evaluation, to high resolution 3D oil & gas seismic surveys, to major international groundwater projects, we have the geophysical experience and expertise to meet your job requirements.  We own several million ...

    By Zapata Engineering based in Charlotte, NORTH CAROLINA (USA).

  • Geophysical Services

    The Earth Systems group of companies offers a variety of geophysical services to assist in imaging subsurface geology and locating buried features.  While geophysics is not a substitute for borings or other methods of obtaining physical subsurface data, it is an excellent means of interpolating between borings, thus enhancing our ...

    By Earth Systems Services, Inc. based in San Luis Obispo, CALIFORNIA (USA).

  • Ground Penetrating Radar Services

    Ground-penetrating radar (GPR) is a geophysical method that uses radar pulses to image the subsurface. This non-destructive method uses electromagnetic signals in the micro-wave band (UHF/VHF frequencies) of the radio spectrum, and detects the reflected signals from subsurface structures. GPR can be used in a variety of media, including rock, ...

    By GeoSearches Inc based in Chagrin Falls, OHIO (USA).

  • Onshore Surveys Services

    TERRASOND’s use of the latest software and survey methods, including accurate geodetic control, LiDAR, mobile & stationary terrestrial scanners and aerial surveys, provides time-stamped 3D/4D mapping data of terrestrial landscape and surface assets. Ground penetrating radar provides the critical subsurface information of soil structure, ...

    By TerraSond Limited based in Palmer, ALASKA (USA).

  • Digital Photography

    PTS Laboratories operates a full-service photography lab experienced at providing visible and ultraviolet (UV) imaging for both print and digital photography. Our facilities are fully equipped with equipment customized for the display of images captured from soils, unconsolidated sediments and rock cores. Extreme care is taken to color match the ...

    By PTS Laboratories, Inc. based in Santa Fe Springs, CALIFORNIA (USA). from Environmental Services Service line

  • Engineering Services

    The professionals at Bay have a full suite of geophysical methods to provide superior subsurface imaging solutions for today’s most challenging projects.

    By Bay Geophysical, Inc. based in Traverse City, MICHIGAN (USA).

  • Environment & Risks Services

    The subsurface imaging capacity of geophysics is a key component of an geological or environmental site assessment. Buried waste, landslides, aquifers all have a specific signature and can be investigated by dedicated geophysical measurements.

    By Geo2X based in Oulens-sous-Echallens (VD), SWITZERLAND.

  • Geophysical Engineering Services

    Our Geophysical Engineering services cover a wide range of applications: Seismic surveys for earthquake and machine foundation design purposes. Site investigations with seismic, electrical and ground penetrating radar equipment. Utility location. Location and imaging of subsurface anomalies such as voids and sinkholes.

    By Olson Engineering Inc. based in Wheat Ridge, COLORADO (USA).

  • Heavy Oil Exploration

    As the heavy oil industry continues to gain momentum, Orion 3D’s high-resolution DCIP & MT (magnetotelluric) images of the subsurface maximise oil recovery and reduce steam requirements. By measuring the resistivity difference between water, bitumen and rock, Quantec can pinpoint the location of bitumen versus water. Orion 3D collects ...

    By Quantec Geoscience Ltd. based in Toronto, ONTARIO (CANADA). from Oil and Gas Exploration Service line

  • Support Services - Site Investigation

    Environmental Drilling: • Direct-Push/Auger Drilling & Sampling: Geoprobe® Track and Limited Access Probes • Continuous Soil Coring (Dual-Tube), Soil Gas, and Groundwater Profiling Tools • Monitor WellsHigh Res Site Characterization (HRSC) & Subsurface Imaging • Limited Access 4WD Instrument Carriers (ATVs) • NEW! - Optical ...

    By Vista GeoScience LLC based in Golden, COLORADO (USA).

  • GPR Geophysical Survey Service

    Global GPR offers a geophysical survey imaging service for non-destructive testing (NDT) evaluation to locate and map subsurface features. Using Ground Penetrating Radar (GPR) Global GPR uncovers the mysteries below the ground. The depth of exploration is determined by the ground penetrating radar frequency, ground make up, soil conditions and ...

    By Global GPR Service Inc. based in Brampton, ONTARIO (CANADA).

  • Inspection Services

    TreeRadar personnel, as well as TRU owners, can provide inspection services for either trunk internal decay imaging and/or subsurface structural root biomass mapping. A tree trunk is scanned at multiple elevations - typically 6 ft, 5 ft, 4 ft, 3 ft and 2 ft in under 30 minutes. A complete ground roots scan can be performed in 30 to 60 minutes.

    By Tree Radar, Inc. based in Silver Spring, MARYLAND (USA).

  • Geophysical Services

    Underground utilities can pose a variety of difficulties for construction and facilities management if their locations and depths are not accurately known. Drawings and maps of utilities are commonly inaccurate or, in many cases,utilities are not documented at all. Geophysical surveys are a rapid and cost effective means to map underground ...

    By Nova Geophysical Services (NOVA) based in Douglaston, NEW YORK (USA).

  • Seismic Reflection Services

    Bay’s extensive acquisition of high-resolution seismic data combined with our experience, and a full suite of standard and experimental seismic sources, has provided us with the knowledge necessary to help you design your survey with the acquisition parameters required to image the subsurface environment at your site location.  With ...

    By Bay Geophysical, Inc. based in Traverse City, MICHIGAN (USA).

  • Radar

    Ground penetrating radar is the most effective non-intrusive method for detailed mapping, detection and imaging of shallow subsurface and for inspecting various structures' interiors. The radar enables to carry out measurements on almost any type of surface such as soil, rock, fresh water, air or concrete; it also allows performing measurements in ...

    By Geotec Engineering & Environmental Geophysics Ltd based in rishon letzion, ISRAEL. from Ground Penetrating Radar Service line

  • Geophysical Surveys Services

    Geophysical surveys are non-destructive and non-intrusive methods to detect buried features when their physical properties contrast measurably with their surroundings. Archaeological remains can be considered as a modification of the soil, and thus the evaluation of differences between the physical property of soils and ...

    By ArcheoRes - Archaeological Research Group based in Papiano (Perugia), ITALY.

  • Archaeological Geophysics Services

    Geophysical surveys are used to create maps of subsurface archaeological features. Features are the non-portable part of the archaeological record, whether standing structures or traces of human activities left in the soil. Geophysical instruments can detect buried features when their electrical or magnetic properties contrast measurably with ...

    By ClearView Geophysics Inc. based in Brampton, ONTARIO (CANADA).

  • Electrical Resistivity Measurements

    Electrical Resistivity measurements are performed by placing multiple electrodes in contact with the soil or rock. Current is transmitted and received between pars of the electrodes. The surveys can be performed as traditional, single Vertical Electrical Soundings or with multi-channel systems to produce continuous resistivity cross-sections of ...

    By GeoView, Inc. based in St. Petersburg, FLORIDA (USA). from Land Based Methods Service line

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