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Seismic acquisition system using wireless telemetry

  • US 6,219,620 B1
  • Filed: 06/16/1999
  • Issued: 04/17/2001
  • Est. Priority Date: 10/23/1996
  • Status: Expired due to Term
First Claim
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1. A method of conducting a seismic survey, wherein a multiplicity of geophone units are positioned in an array across a terrain of interest, said terrain being divided into cells each of which contains a plurality of said geophone units and a cell access node;

  • a series of seismic signals is generated to produce seismic data collected by said geophone units;

    the data for each of said geophone units is stored in digital form at said geophone unit; and

    said data is transferred, at the same time or at a later time, to its respective cell access node in digital form by wireless telemetry at a frequency which is common to all geophone units in that cell, and is transferred from each cell access node to a central location by radio, by cable, or by fibre optic link.

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