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Broadband Depth Imaging from Separated WavefieldsNormal access

Authors: C. Lameloise, W. Söllner, S. Hegna and N. D. Whitmore
Event name: 74th EAGE Conference and Exhibition incorporating EUROPEC 2012
Session: Depth Migration II
Publication date: 04 June 2012
DOI: 10.3997/2214-4609.20148794
Organisations: SPE, EAGE
Language: English
Info: Extended abstract, PDF ( 3.94Mb )
Price: € 20

Summary:
The depth imaging of conventional marine seismic data is affected by the source and receiver ghosts. Dual-sensor towed streamer data has recently been used to improve the depth image resolution by using receiver-side separated wavefields. In this work we show how the depth image resolution can be further improved by using dual-sensor streamer data from multiple simultaneous sources of a specific depth distribution. This approach effectively removes the source and receiver ghosts from the depth image. We introduce the depth imaging approach based on a simple model and validate it by processing a field data example from the Norwegian Sea.


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