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Optimally Preparing the Surface Seismic Dataset for Azimuthal Studies and InversionNormal access

Authors: G. Busanello and B. Mitchell
Event name: 77th EAGE Conference and Exhibition 2015
Session: Wide/Multi-azimuth Broadband Acquisition and Processing
Publication date: 01 June 2015
DOI: 10.3997/2214-4609.201413184
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 1.56Mb )
Price: € 20

A novel methodology is presented to optimally prepare the surface seismic dataset for azimuthal studies and inversion that takes advantage of Matching Pursuit Multi-dimensional Fourier Interpolator (MPFI) to reconstruct the seismic data from a Cartesian geometry to a radial geometry. A proof of concept study was performed on a sub-volume of a full azimuth (FAZ), single-sensor seismic survey (Winnie, acquired by WesternGeco for Drillsearch Energy in Australia in 2012) using an integrated point-receiver land seismic system. An initial assessment of the improvements in the inversion process has been carried out by taking as benchmark the existing imaged 3D volume where the data have been migrated conventionally in the offset-vector-tile (OVT) domain (Kirchhoff prestack time migration).

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