Seismic imaging using wave equation extrapolation

Details Seismic imaging using wave equation extrapolation Seismic imaging using wave equation extrapolation

1996-09-04

1998-04-21

Lobo, Ian J.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Land-reflection type

367 50, 367 73, G01V 128

Patent

active

057425604

ABSTRACT:
A method for producing seismic images from seismic data obtained from two different datums. Traveltimes between the two datums are determined from either measurements or an assumed velocity field. An extrapolation of the data to simulated source and receiver locations is carried out using any form of the wave equation which does not require velocity field information. After extrapolation, the data at the simulated source and receiver locations is processed using standard seismic imaging techniques. The method can be applied to simulate borehole, crosshole, or multi-borehole seismic data.

REFERENCES:
patent: 4627036 (1986-12-01), Wyatt
patent: 4766574 (1988-08-01), Whitmore, Jr. et al.
patent: 4926393 (1990-05-01), McClellan et al.
patent: 5502687 (1996-03-01), Mackay

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