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METHODS AND SYSTEMS FOR ESTIMATING STRESS USING SEISMIC DATA

  • US 20110182144A1
  • Filed: 01/24/2011
  • Published: 07/28/2011
  • Est. Priority Date: 01/25/2010
  • Status: Active Grant
First Claim
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1. A method for estimating principal stresses of a subterranean formation comprising:

  • determining rock strength parameters from seismic data of the formation;

    calculating anisotropic elastic properties of the formation using at least said determined rock strength parameters; and

    determining principal stresses of the formation using at least the calculated anisotropic elastic properties and the rock strength parameters of the formation, wherein the principal stresses comprise a vertical stress, a minimum horizontal stress, and a maximum horizontal stress.

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