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Geophones services for Soil and Groundwater

  • 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).

  • 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 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

  • Seismic Monitoring

    The intelligent Distributed Acoustic Sensor (iDAS), when coupled to an optical fibre, provides a versatile seismic acquisition platform capable of meeting many borehole seismic objectives.

    By Silixa Ltd based in Elstree, UNITED KINGDOM. from Oil & Gas Service line

  • Seismic Refraction Surveys Services

    Unexpectedly encountering rock during site development can be very costly to a well-balanced job budget. United Consulting utilizes the seismic refraction technique to assist our clients in avoiding this costly encounter by providing “up-front” information as to where rock and/or partially weathered rock may affect grading activities.

    By United Consulting based in Norcross, GEORGIA (US) (USA). from Geophysical Engineering Services Service line

  • Falling Weight Deflection Service

    The use of falling weight deflection equipment is a non-destructive method for determining the in place modulus of pavement (asphalt and concrete) layers, including the base, subbase, and/or subgrade moduli values. This information is valuable in qualifying the condition of a pavement system for acceptance, rehabilitation (overlay, repair, ...

    By GROUND Engineering Consultants based in Englewood, COLORADO (USA). from Specialty Services Service line

  • Groundwater Survey

    One set of DC-4500 Ground-flow Locator includes signal receiver, electrode, geophones and seismic source. We use two geophones and four electrodes as signal receivers, one DC-4500 Ground-flow Locator as seismoelectric data collector, and Buffalo Gun as seismic source.

    By Seismo Electronic LLC. based in Houston, TEXAS (USA).

  • Conventional Solutions

    Specialist in development and production of geophysics equipment, with over  32 years of experience and systems deployed in multiple countries around the world, Paulsson, Inc. offers systems using industry standard geophones, tailor made to fit your project requirements.

    By Paulsson, Inc. (PI) based in Van Nuys, CALIFORNIA (USA).

  • Leak Detection Service

    Keeping pipelines in good condition means to protect our environment. Therefore a regular inspection of a pipeline system is essential.Geodynamic changes in the soil can cause various types of water losses. WCS - Water Control Systems® allows a permanent monitoring of pipelines and can prevent you from expensive leakages.

    By MTA Messtechnik GmbH based in Veit an der Glan, AUSTRIA. from Service for Waste Water Service line

  • Vibration

    Geotec offers various measurement services of ground vibrations and air blast, caused by blasts, heavy duty construction equipment and other sources. The purpose of the measurements is to prevent damage to structures and discomfort to people. Additionally, vibration measurements enable contractors to plan their activities on the basis of accurate ...

    By Geotec Engineering & Environmental Geophysics Ltd based in rishon letzion, ISRAEL. from Vibration monitoring Service line

  • Reservoir Induced Seismiciby Services

    Hydraulic fracturing is a well stimulation process used to release oil, natural gas, geothermal energy, and even water from 'tight' underground formations to maximize the extraction of these resources. Hydraulic fracturing is used by the oil and gas industry to fracture low permeability, resource-bearing subsurface rock to allow oil or natural gas ...

    By Landtech Geophysics Ltd based in Cardiff, UNITED KINGDOM.

  • Field Operation of The DC-4500

    Field operation of the portable DC-4500 is not complicated as shown in the photo but requires only careful attention to the proper assembly of the components. The electrodes and geophone are connected by a cable to the DC-4500 computer unit and placed on the ground. The seismic source is generated by either a mechanical impact such as a sledge ...

    By Seismo Electronic LLC. based in Houston, TEXAS (USA).

  • 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).

  • 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).

  • 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 Refraction and Reflection Techniques Services

    In seismic refraction surveys, a very small seismic wave is generated in the ground by either a hammer or small explosive change. This wave is refracted in the subsurface and detected by a series of sensitive geophones deployed along the ground. By measuring the travel-times of the seismic waves, the nature of and depth to subsurface features can ...

    By Explorer Geophysical and Hydrogeological Consultations based in riyadh, SAUDI ARABIA.

  • Land Seismic Surveys

    Land seismic operations are similar to marine operations in that the energy sources are acoustic energy generated using vibrators mounted on trucks or low-impact explosives placed in shot-holes which have been drilled by truck-mounted or portable drills.  The receivers are typically geophones, which are like small microphones pushed into the ...

    By IAGC based in Houston, TEXAS (USA).

  • Borehole Seismic Imaging Services

    In the absence of quality seismic data, the decision is often made to go without or to acquire some new surface 3D data, which can be a long process. Drilling without seismic can be risky in stratigraphically and structurally complex areas with relatively thin target zones. SIGMA³ has pioneered an entirely new and extremely successful ...

    By SIGMA┬│ (Sigma Cubed Inc.) based in Houston, TEXAS (USA).

  • Refraction Microtremor (ReMi) Evaluations Services

    The refraction microtremor (RE/MI) technique utilizes Rayleigh waves. The technique can be employed with traditional seismic refraction to obtain engineering properties and simultaneously evaluate.

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

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