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System and method for electromagnetic wavefield resolution

  • US 7,319,330 B2
  • Filed: 05/21/2003
  • Issued: 01/15/2008
  • Est. Priority Date: 05/24/2002
  • Status: Expired due to Term
First Claim
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1. A method of determining the nature of strata beneath the seabed comprising applying an electromagnetic (EM) wavefield to the strata;

  • detecting an EM wavefield response; and

    processing the wavefield by resolving the wavefield to produce upgoing and downgoing components then analyzing the upgoing component, thereby deriving the nature of the strata;

    wherein the wavefield is resolved using the 2.5D assumption that there are no variations in the medium parameters in the cross-profile direction.

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