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Method of processing seismic data

  • US 5,852,588 A
  • Filed: 05/12/1997
  • Issued: 12/22/1998
  • Est. Priority Date: 07/07/1994
  • Status: Expired due to Term
First Claim
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1. A method for determining the anisotropic properties of an unknown earth formation by means of seismic exploration, comprising the steps of:

  • generating seismic signals for propagation through said unknown formation,detecting a range of seismic data samples generated by the propagation of said signals through said unknown formation, said detected samples being affected by the anisotropic properties of the unknown formation,selecting, for said unknown formation, a group of postulated anisotropic properties which would cause known perturbations in seismic signals,comparing the detected range of seismic data samples from the unknown earth formation with estimated ranges that could have been produced by seismic signals propagating through earth formations made up with differing weighting of components of the postulated anisotropic properties, andidentifying the estimated range that best matches the detected range, and attributing the related weighted components of the postulated anisotropic properties to said unknown earth formation.

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