Method for processing marine seismic data

Details Method for processing marine seismic data Method for processing marine seismic data

1990-05-31

1990-11-27

Lobo, Ian J.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Offshore prospecting

G01V 138

Patent

active

049742124

ABSTRACT:
Methods are provided for processing seismic data acquired during marine seismic operations when the seismic streamer cables or sources deviate from their desired acquisition track. The method of the present invention initially processes the data using conventional normal moveout techniques, then applies conventional dip moveout techniques, followed by regularization of the cross-line data, and then 3-D migrating the regularized data. Regularization involves determining the signals at preselected cross-line positions based upon the signals detected and recorded at the measured cross-line CMP positions.

REFERENCES:
patent: 3921124 (1975-11-01), Payton
patent: 4742497 (1988-05-01), Beasley et al.
"Dip Moreout by Fourier Transformation," Dissertation submitted to Dept. of Geophysics, Stanford U., by Hale, I. D., 1983.

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