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Method and apparatus for processing seismic signals from low energy sources

  • US 4,058,791 A
  • Filed: 09/29/1975
  • Issued: 11/15/1977
  • Est. Priority Date: 09/29/1975
  • Status: Expired due to Term
First Claim
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1. In a seismic prospecting system, having;

  • a. a low energy seismic source;

    b. a plurality of geophones at spaced positions distant from said source;

    c. means to amplify and digitize the geophone signals;

    the method of operation and processing the seismic data comprising;

    1. operating said source in C.D.P. format, whereby each source operation is at a different spaced-apart independent position;

    2. amplifying and digitizing the geophone signals to 1 bit;

    3. C.D.P. stacking said 1 bit digitized signals; and

    wherein4. the C.D.P. fold is at least 40.

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