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seismic method services

  • Seismic Methods

    All seismic methods measure the travel-time and frequency of elastic waves as they propagate through the subsurface. The methods commonly used in shallow geophysics involve using an impact source (hammer, weight drop, explosive source) to generate the seismic wave and recording the arrival of the waves with a seismograph and a series of geophones. ...

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

  • 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.

  • Seismic Services

    Seismic Reflection Reveals What is Under the Surface. We use seismic reflection as a method of geophysical exploration that uses the principles of seismology to estimate the properties of the Earth's subsurface from reflected seismic waves. The method requires a controlled seismic source of energy, such as dynamite, a specialized air gun or a ...

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

  • Geophysical Surveying Services

    ECA Geophysics performs geophysical surveys that accomplish several objectives that include 1) determining depth to bedrock (electrical and seismic methods), 2) establishing IBC Site Class via Refraction Microtremor - ReMi (seismic method), 3) locating buried metallic debris and drums (magnetic method), 4) delineating boundaries of solid waste ...

    By Environmental Compliance Associates, LLC (ECA) based in Kennewick, WASHINGTON (USA).

  • Geophysical Surveying Services (Geophysics)

    ECA Geophysics performs geophysical surveys that accomplish several objectives that include 1) determining depth to bedrock (electrical and seismic methods), 2) establishing IBC Site Class via Refraction Microtremor - ReMi (seismic method), 3) locating buried metallic debris and drums (magnetic method), 4) delineating boundaries of solid waste ...

    By ECA Geophysics based in Kennewick, WASHINGTON (USA).

  • Seismic Refraction Services

    Seismic refraction is a geophysical method used to determine the seismic compression-wave (P-wave) velocity structure of the subsurface. Seismic P-waves are generated on the surface, propagate through the soil and rock, and are recorded by geophones at known distances from the source. Since P-waves are the fastest portion of the seismic wave, they ...

    By Spotlight Geophysical Services based in Doral, FLORIDA (USA).

  • Downhole Shear Wave Velocity Services

    This method is a variation of the seismic refraction method employing a downhole tri-axial geophone and a surface energy source or a downhole source. The energy propagates from the source to the downhole tri-axial geophone and can be recorded as compression and/or shear waves. This method provides detailed layer velocity information and the data ...

    By Ninyo & Moore based in San Diego, CALIFORNIA (USA). from Geophysical Service line

  • Seismic Evaluation and Retrofit Design

    TIC personnel actively participate in developing the national provisions for reducing seismic hazards. Significant changes are currently being implemented in the methods of predicting the probability and magnitude of seismic occurrences, and the loadings structures must be designed to resist. TIC has the specialized expertise to apply these new ...

    By Tank Industry Consultants (TIC) based in Indianapolis, INDIANA (USA).

  • Passive Seismic Tomography (PST) Services

    Passive Seismic Tomography (PST) is a new revolutionary geophysical exploration technique utilizing the natural microseismicity, (microearthquakes with magnitudes of -1 up to 2.0 Richter) which occur almost everywhere, as seismic sources and a portable specially designed network of seismometers on the surface to record continuously for a period of ...

    By Landtech Geophysics Ltd based in Cardiff, UNITED KINGDOM.

  • geotech - geotechnical services

    Developing and implementing geotechnical data acquisition programmesAnalysis and interpretation of ground conditionsMining method selectionGround support design for high-stress and seismic conditionsCave-ability and fragmentation analysisOptimizing mine layouts and extraction sequences from a geotechnical perspectiveNumerical modelling using ...

    By DETERCO (PTY)LTD based in Pretoria (tshwane), SOUTH AFRICA.

  • Marine Seismic Refraction Services

    Marine seismic refraction is a method to determine the seismic P-wave velocity structure of the subsurface. The P-wave velocity is related to the hardness of the sub-bottom materials and can be used to map the top-of-rock, determine the dredgeability of sub-bottom materials, and identify anomalous conditions. Seismic P-waves are generated by a ...

    By Spotlight Geophysical Services based in Doral, FLORIDA (USA).

  • Seismic Line Cutting

    Clean Harbors Seismic Line Cutting Services provide low impact seismic (LIS) line cutting to the oil and gas industry in preparation for laying cable or making trails for track drilling, particularly where access is needed into fully treed areas. Our LIS system, guided by GPS, is top-of-the-line technology that works under the canopy in any forest ...

    By Clean Harbors based in Norwell, MA, MASSACHUSETTS (USA). from Exploration Services Service line

  • Hazard Monitoring Services

    Monitor your site for potential ground-movement hazards from the very beginning. Micro-seismic events can lead to tremors, landslides and in extreme cases the possibility of earthquakes. It makes sense to develop a baseline record of ground movement before drilling commences and during exploitation. We can offer 24-hour a day site monitoring using ...

    By Dewhurst Group, LLC based in Germantown, MARYLAND (USA).

  • Integration of EM and Seismic Services

    The applications of electromagnetics have increased in the past two decades because of an improved understanding of the methods, improved service availability, and the increased focus of exploration in the more complex reservoir characterization issues. In the past, electromagnetic techniques, in particular deep transient electromagnetics, made up ...

    By KMS Technologies/KJT Enterprises, Inc. based in Houston, TEXAS (USA).

  • Land & Aerial Surveying

    Clean Harbors’ methods of line layout and surveying in forested areas take advantage of GPS for positioning on all aspects of a land and aerial surveying project. With the use of GPS technology, we preprogram positional data; and with the use of differential GPS techniques, we lay out a seismic program as was intended by the seismic program ...

    By Clean Harbors based in Norwell, MA, MASSACHUSETTS (USA). from Exploration Services Service line

  • Ground Improvement Methods & Design Services

    There are various treatment techniques that are available to improve the condition of poor or unstable ground by altering the nature of the soil insitu. For example, where loose sands or man- made fill are encountered, deep densification methods can be used to increase the density of the material to a degree that allows for construction of shallow ...

    By GZA GeoEnvironmental, Inc. based in Bloomfield, CONNECTICUT (USA).

  • Exploration Grids Services

    Efficiently and accurately establish exploration grids for other geophysical methods (IP, CSAMT, Seismic, MT, etc.). Expert GPS surveyors.

    By Magee Geophysical Services, LLC based in Reno, NEVADA (USA).

  • Scanning Beneath the Seafloor Services

    GeoView employs three methods for studying the geologic strata and objects buried beneath the seafloor. These include Sub-bottom profiling, Marine Seismic Refraction and Marine Seismic Reflection. GeoView owns and operates an Edgetech sub-bottom profiler. It generates a swept frequency source to produce a high resolution image of the sub-bottom at ...

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

  • Geophysics & Geophysical Surveys

    Geophysical methods can be very effective in the search for groundwater resources because it provides a non-evasive, non-destructive way to obtain information about the subsurface that can aid in the identification of potential water-bearing geologic deposits below the surface of the earth. Emery & Garrett Groundwater, Inc. has conducted a ...

    By Emery & Garrett Groundwater, Inc. (EGGI) based in Meredith, NEW HAMPSHIRE (USA).

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