Super–virtual refraction interferometry: Field data example over a colluvial wedge | Zendy

Sherif M. Hanafy | Zendy; Ola Al-Hagan | Zendy; Feras AlTawash | Zendy

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Super–virtual refraction interferometry: Field data example over a colluvial wedge

Author(s) -

Sherif M. Hanafy,

Ola Al-Hagan,

Feras AlTawash

Publication year - 2011

Publication title -

king abdullah university of science and technology repository (king abdullah university of science and technology)

Language(s) - English

Resource type - Conference proceedings

DOI - 10.1190/1.3628001

Subject(s) - refraction , interferometry , offset (computer science) , seismic interferometry , colluvium , optics , wedge (geometry) , computer science , geology , physics , programming language , alluvium , geomorphology

The theory of super-virtual refraction interferometry was recently developed to enhance the signal-to-noise ratio (SNR) of far-offset traces in refraction surveys. This enhancement of 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 enhancement of SNR of the super-virtual refraction traces for seismic data 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. © 2011 Society of Exploration Geophysicists

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