Super-virtual refraction interferometry: an engineering field data example

Sherif M. Hanafy, Ola Alhagan

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

The theory of super-virtual refraction interferometry (SVI) was recently developed to enhance the signal-to-noise ratio (SNR) of far-offset traces in refraction surveys. This enhancement of the SNR is proportional to √N and can be as high as N if an iterative procedure is used. Here N is the number of post-critical shot positions that coincides with the receiver locations. We now demonstrate the SNR enhancement of super-virtual refraction traces for one engineering-scale synthetic data and two field seismic data sets. The field data are collected over a normal fault in Saudi Arabia. Results show that both the SNR of the super-virtual data set and the number of reliable first-arrival traveltime picks are significantly increased. © 2012 European Association of Geoscientists & Engineers.
Original languageEnglish (US)
Pages (from-to)443-449
Number of pages7
JournalNear Surface Geophysics
Volume10
Issue number5
DOIs
StatePublished - Jul 1 2012

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