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Detailed Seismic Velocity Imaging of Hatton Bank Volcanic Continental Margin by Tomographic Inversion of Dense OBS DataNormal access

Authors: L. K. Smith and R. S. White
Event name: 68th EAGE Conference and Exhibition incorporating SPE EUROPEC 2006
Session: Low Frequency Wide Angle
Publication date: 12 June 2006
DOI: 10.3997/2214-4609.201402148
Organisations: SPE, EAGE
Language: English
Info: Extended abstract, PDF ( 1.43Mb )
Price: € 20

Data from a dense array of OBS used in the survey of a volcanic continental margin have been used successfully to image sub-basalt crustal structure using a robust tomographic inversion technique. The acquisition of wide-angle data using a low-frequency source allows useful data to be collected in regions where extruded basalts typically hinder conventional seismic imaging; OBS data can provide accurate seismic velocities at depth, therefore improving seismic imaging and interpretation of lithology, as well as providing important crustal structure information.

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