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Use of Seismic Vibrators for Vertical Seismic Profiling: Considerations for the Choice of SweepNormal access

Authors: J. B. U. Haldorsen and W. Borland
Event name: EAGE Vibroseis Workshop - Vibroseis acquisition and processing half century later, new developments in data quality and productivity
Session: Session 4: Case Histories
Publication date: 13 October 2008
DOI: 10.3997/2214-4609.20147526
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 915.43Kb )
Price: € 20

Summary:
Using the VSP deconvolution method described by Haldorsen et al (2004), the bandwidth of
the processed data is determined only by the signal-to-noise ratio at each frequency. With the
source signature determined from measurement in a very quiet wellbore, the bandwidth of the
deconvolved data extends well beyond the bandwidth of the nominal sweep. We see that this
applies also for a walk-away VSP.


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