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Seismic device

  • US 5,253,223 A
  • Filed: 04/27/1992
  • Issued: 10/12/1993
  • Est. Priority Date: 10/26/1989
  • Status: Expired due to Fees
First Claim
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1. A device including instruments for use on a sea bed for the collection and recording of first signals during offshore seismic exploration, said device comprising:

  • first, second and third geophones arranged in x, y and z directions, respectively, which produce geophone signals;

    an electronic angle gauge;

    a compass;

    a top portion having means for allowing said device to be handled;

    an intermediate portion being substantially cylindrical in shape and having a first end connected to said top portion;

    a pointed end, connected to a second end of said intermediate portion, said pointed end housing said geophones, said electronic angle gauge, and said compass;

    a hydrophone for recording pressure waves being disposed proximate said top portion;

    a battery;

    a processor which processes said geophone signals;

    a memory unit which stores information;

    an acoustic communications system for receiving and transmitting second and third signals, respectfully;

    an optical reader which reads collected measurements; and

    a power supply which supplies power to said processor, and said memory unit;

    wherein said battery, said processor, said memory unit, said communication system, said optical reader, said power supply and said hydrophone are disposed in said intermediate portion.

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