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Structural Architecture and Deformation Styles Derived from 3D Reflection Seismic Data in the North German BasinNormal access

Authors: C. M. Krawczyk, T. Lohr, D. C. Tanner, H. Endres, R. Samiee, H. Trappe, O. Oncken and P. A. Kukla
Event name: 68th EAGE Conference and Exhibition incorporating SPE EUROPEC 2006
Session: Seismic Interpretation
Publication date: 12 June 2006
DOI: 10.3997/2214-4609.201402347
Organisations: SPE, EAGE
Language: English
Info: Extended abstract, PDF ( 1.64Mb )
Price: € 20

Summary:
The Upper Cretaceous Ilhabela sandstones, which represent the main reservoir unit in the Santos Basin, were deposited in a fluvial to shallow marine environment during a period of active basaltic volcanism. The volcanics have been partly eroded, providing the reservoir with volcanic rock fragments and causing a complex diagenetic history. This has resulted in the local occurrence of sandstones with complex lithology and elastic properties differing from the basin trend (Klarner et al, 2005). For better prediction and interpretation of the amplitudes and AVO behaviour of the Ilhabela reservoir it is essential to map the occurrence of the volcanics as well as the transport direction of their erosional products. In this paper, typical seismic features are presented which may help to identify volcanics in the Upper Cretaceous sequence.


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