Method of seismic surveying

Details Method of seismic surveying Method of seismic surveying

2007-11-26

2009-10-13

Hellner, Mark (Department: 3663)

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Land-reflection type

C367S040000

Reexamination Certificate

active

07602670

ABSTRACT:
A method enables the time required to complete a seismic survey and the noises recorded in the seismic data to be reduced. One aspect of the method includes actuating a first vibrator group to start a first sweep at time T0; and a second vibrator group to start a second sweep at time T1, wherein T0<T1<T0+S1+L, where S1is a sweep time of the first vibrator group and L is a listening time; wherein the time between the first sweep and the second sweep is T1−T0≧((n−1)*f1*S1)/(n*(f1−f0)) where n is a natural number, f0is the lower frequency limit of the vibrator sweep and f1is the upper frequency limit of the vibrator sweep.

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