Estimating the Location of Scatterers by Seismic Interferometry of Scattered Surface Waves

Harmankaya, U.; Kaslilar, A.; Thorbecke, Jan; Wapenaar, C.P.A.; Draganov, Deyan

doi:10.3997/2214-4609.20148755

Cited by 1 publication

(2 citation statements)

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“…In this study, we use non-physical scattered body and surface waves, obtained from SI, and inversion to estimate the location of a diffractor or scatterer (Harmankaya et al, 2012). SI is applied to the scattered wavefield obtained from the seismic records of the original geometry by using only one source and by cross-correlating the reference trace VS d (the trace at the virtual-source position) with the rest of the traces, i d , which are present on the seismic record.…”

Section: Methodsmentioning

confidence: 99%

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Locating Scatterers by Non-physical Scattered Waves Obtained by Seismic Interferometry

Harmankaya¹,

Kaslilar²,

Thorbecke³

et al. 2013

London 2013, 75th Eage Conference en Exhibition Incorporating SPE Europec

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SUMMARYThe investigation and detection of near-surface structures (such as cavities, caves, sinkholes, tunnels, mineshafts, buried objects, archeological ruins, water reservoir, etc.) is important to mitigate geo-and environmental hazards. In a former study, we suggested a method based on active-source seismic interferometry for locating the scatterers and we showed the applicability of the method in a simple model. In our method, we use only one source at the surface and non-physical scattered waves retrieved by seismic interferometry to estimate the location of the scatterer. In this paper, we show the effectiveness of the method in case of lateral variations. We use both scattered body and surface waves to estimate the location of a corner diffractor and a scatterer, respectively, and we obtain very good estimations. The method is promising for near-surface seismic field applications.

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Section: Methodsmentioning

confidence: 99%

“…), respectively. For our method we use active source SI and only one source at the surface (Harmankaya et al, 2012). As we use only one source, it is very unlikely that the source is at the stationary point for retrieving physical scattered waves.…”

Section: Introductionmentioning

confidence: 99%