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Method of seismic attribute generation and seismic exploration

Patent 5940778 Issued on August 17, 1999. Estimated Expiration Date: Icon_subject July 31, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Method of seismic signal processing and exploration Patent #: 5563949
Issued on: 10/08/1996
Inventor: Bahorich, et al.

Inventors

Assignee

Application

No. 904040 filed on 07/31/1997

US Classes:

702/16, Specific display system (e.g., mapping, profiling)702/13Hydrocarbon prospecting

Examiners

Primary: McElheny, Donald Jr.

Attorney, Agent or Firm

International Class

G06F 019/00

Abstract

The present invention relates generally to the field of seismic exploration and, in more particular, to methods of quantifying and visualizing structural and stratigraphic features in three dimensions through the use of eigenvector and eigenvalue analyses of a similarity matrix. This invention also relates to the field of seismic attribute generation and the use of seismic attributes derived from similarity matrices to detect the conditions favorable for the origination, migration, accumulation, and presence of hydrocarbons in the subsurface. Additionally, the methods disclosed herein provide a new means for analyzing unstacked seismic data to uncover AVO effects. The invention disclosed herein will be most fully appreciated by those in the seismic interpretation and seismic processing arts.

Other References

  • Yilmaz, Seismic Data Processing, Chapter 6, pp. 384-427, Society of Exploration Geophysicists, 1987
  • Allam & Moghaddamjoo, Spatial-Temporal DFT Projection for Wideband Array Processing, IEEE Signal Processing Letters, vol. 1, No. 2, Feb., 1994
  • Dahlquist, Bjorck, & Anderson, Numerical Methods, Prentice Hall, 1974, Chapter 5.8
  • Castagna, Avo Analysis: Tutorial & Review, appearing in Offset-Dependent-Reflectivity--Theory and Practice of AVO Analysis, Castagna and Backus (eds), SEG Press, 1993
  • Brigham, The Fast Fourier Transform, Chapter 7, pp. 110-122, Prentice Hall, 1974
  • Yilmaz, Seismic Data Processing, Chapter 1.6, pp. 62-79, Society of Exploration Geophysicists, 1987
  • Marfurt, Schneider, & Mueller, Pitfalls of Using Conventional and Discrete Radon Transforms on Poorly Sampled Data, 61 Geophysics 1467-1482, 1996
  • Huber, Robust Statistics, Wiley, 1981
  • Bahorich & Farmer, The Coherence Cube, The Leading Edge, pp. 1053-1058, Oct. 1995
  • Owsley, Sonar Array Processing, appearing in Array Signal Processing, Chapter 3, pp. 115-193, Haykin (eds), Prentice-Hall, 198
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