Method for processing seismic data

Details Method for processing seismic data Method for processing seismic data

1989-12-21

1991-02-19

Lobo, Ian J.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Land-reflection type

367 50, 367 47, 364421, G01V 136

Patent

active

049950070

ABSTRACT:
The present invention provides improved methods for processing seismic data which include the effects of offset dependence of reflection amplitudes. The methods of the present invention provide a way to estimate and remove the effect of stretch and small moveout velocity errors on the measurement of offset dependence for the case of small offsets (less than about 30 degrees angle of reflection). Further, the methods of the present invention provide an improved estimate of the correct movement velocity.

REFERENCES:
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patent: 4646239 (1987-02-01), Bodine et al.
patent: 4736349 (1988-04-01), Goins et al.
patent: 4802146 (1989-01-01), Moeckel
patent: 4858200 (1989-09-01), Goins
patent: 4858201 (1989-08-01), Goins et al.
patent: 4858202 (1989-08-01), Fitch et al.
Spratt, S., 1987 SEG Expanded Abstracts, S 10.7.
Swann, H. W., 1988 SEG Expanded Abstracts, S 20.2.
"Effect of Normal Moveout on a Seismic Pulse", by Dunkin, J. W. and Levin, F. K., Geophysics, vol. 38, No. 4, pp. 635-642 (1973).

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