Method for true-amplitude dip moveout correction

Details Method for true-amplitude dip moveout correction Method for true-amplitude dip moveout correction

1988-10-28

1989-10-31

Tarcza, Thomas H.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Land-reflection type

367 52, 364421, G01V 136

Patent

active

048782041

ABSTRACT:
A method for carrying out dip moveout correction on seismic data which provides true-amplitude seismic images is provided. A calibration process is used to design a set of filters that correct the seismic amplitudes during dip moveout correction so as to provide true-amplitude imaging. These filtrs can be designed and applied in any known implementation of dip-moveout, in three or two dimensions.

REFERENCES:
patent: 4742497 (1988-05-01), Beasley et al.
patent: 4797861 (1989-01-01), Beasley
Hale, "Dip-Moveout by Fourier Transform", Doctoral Thesis, Stanford University, 1983, pp. 67-71.
Deregowski & Rocca, "Geometrical Optics and Wave Theory of Constant Offset Sections in Layered Media", Geophysical Prospecting 29, pp. 374-406 (1981).
Berg, "Application of Dip-Moveout by Fourier Transform Method Overview and Presentation of Processed Data from 2-D and 3-D Surveys", 54th Annual Meeting SEG, Atlanta, Expanded Abstracts, pp. 496-799 (1984).
Hale, "Dip-Moveout by Fourier Transform", Geophysics 49, pp. 741-757 (1984).
Jorden, Bleistein and Cohen, "A Wave Equation-Based Dip Moveout", 57th Annual Meeting SEG, New Orleans, Expanded Abstracts 718-721 (1987).
Jorden, "Transformation to Zero Offset", Doctoral Thesis, Colorado School of Mines (1987).
Berg, "Pre-Stack Partial Migration", 54th Annual Meeting SET, Atlanta (1984), Repring by Geophysical Co. of Norway A.S.

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