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DISTRIBUTING A CLOCK IN A SUBTERRANEAN SURVEY DATA ACQUISITION SYSTEM

  • US 20100305895A1
  • Filed: 05/28/2009
  • Published: 12/02/2010
  • Est. Priority Date: 05/28/2009
  • Status: Active Grant
First Claim
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1. A method comprising:

  • determining a first difference between a time that a first network element of a subterranean survey data acquisition network receives a first frame pulse from a second network element of the network and a time that the first network element transmits a second frame pulse to the second network element;

    determining a second difference between a time that the second network element receives the second frame pulse and a time that the second network element transmits the first frame pulse;

    determining a transmission delay between the first and second network elements based on the first and second differences; and

    distributing a network clock based on the determined transmission delay.

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