Method of processing seismic data

Details Method of processing seismic data Method of processing seismic data

2006-06-27

2006-06-27

Keith, Jack (Department: 3663)

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Offshore prospecting

C367S015000, C367S021000

Reexamination Certificate

active

07068568

ABSTRACT:
A method of de-ghosting seismic data acquired in a marine seismic survey comprises estimating ∂zp (where p is the fluid pressure) from a time-derivative of p and a derivative of p in a horizontal direction such as the x-direction. The time-derivative of p and the derivative of p in the horizontal direction can be readily obtained from the acquired seismic data, and are used to provide an improved estimate of ∂zp which, in general, cannot be directly determined from the acquired seismic data.Once ∂zp has been estimated it can be used to de-ghost the acquired seismic data.

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