Seismoelectric Ground-Flow Survey
--Locate Water directly to deduce the oil and gas reservoir



Products

        The DC-4500 seismoelectrics ground-flow locator

          
A seismoelectric recording system. Consist of  seismoeletric signal data pre-adjusters and computer control. A military grade computer used as the control with built in GPS.


   
Features
 
 
   
Output noise:                           20Vp-p at 90 db gain
    Work time:                               5 hours
    Work temperature:                   -20 to   60 degrees C
    Stacking Trigger Accuracy:       0.05 of sample rate
    Operating System:                    window XP
    Bundled Software:                    Data collection


In the general survey,  unit obtains both the seismic signal, and the  combined seismoelectric signals. The  seismoelectric survey monitor receiver is used in a civil engineering  ground water  related survey.

Accessories include:

         
Seismoelectric electrodes, geophones, cable, connectors, etc.

 
 

The nature of generation  of the Seismic source is critical to the seismic and seismoelecric survey results.

 
The sledge hammer is popular for most shallow seismic refraction  surveys using a multichannel seismograph, but the range of impact is limited. The "buffalo gun" has  a wider and deeper impact range of acoustic energy  and has been used in the field with great success with the seismoelectric  method.

            

The main problem with buffalo gun is its loud sound blast, which may restrict its use in populated areas. We have developed a soundless device in the buffalo gun,and It works very well with the same seismic impact  using  a 12 gauge  shot gun cartridge.    

                            Weight Drop Seismic Source Survey

 With some  special requirements of  our clients, we  have also tested a weight drop seismic source methodology of generation  in the seismoelectric survey.


                                              

The tested data shown the one drop energy of A200 P/S Hammer is similar to a 2.5 inch 12 gauge cartridge acoustic  impulse.  However,  the relative cost of this weight drop seismic source is much more than using a buffalo gun methodology.


 
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