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AAPG Bulletin, Vol. 90 (2006), Program Abstracts (Digital)

7th Middle East Geosciences Conference and Exhibition
Manama, Bahrain
March 27-29, 2006

ABSTRACT: Responses of Salt Tectonism and Sedimentation to Changing Regional Stress Fields

Peter A. Kukla1, Markus Mohr2, and Janos L. Urai3
1 Geological Institute, RWTH Aachen University, Wuellnerstr. 2, 52062 Aachen, Germany, phone: +49 241 8095720, [email protected]
2 Geological Institute, RWTH Aachen University, Aachen, Germany
3 Geologie-Endogene Dynamik, RWTH Aachen University, Lochnerstrasse 4-20, D-52056 Aachen, Germany

Salt tectonics plays a major role in many Previous HitsedimentaryNext Hit basins. One of the classic areas of salt tectonism is the Central European Previous HitBasinNext Hit hydrocarbon province were mobile Permian Zechstein salt formed a large number of salt walls, diapirs and pillows each formed by a distinctive interaction of tectonism and sedimentation. Our study is the first which quantitatively relates the Paleozoic to present day kinematics of the Previous HitbasinNext Hit, salt diapirism and Previous HitsedimentaryNext Hit response. We use seismic interpretation, based on prestack depth-migrated 2D and 3D seismic data, and retro-deformation to obtain a better understanding of salt tectonics, structural control, and Previous HitsedimentaryNext Hit response in the german part of the Previous HitbasinNext Hit.

Several salt wedges formed by lateral extrusions during periods of diapir emergence and reduced sediment accumulation can be identified. High resolution mapping and well-log Previous HitanalysisNext Hit of the Previous HitsedimentaryNext Hit stacking patterns displays the effects of syn-Previous HitsedimentaryNext Hit salt movement that is consistent with the regional Previous HitsedimentaryNext Hit, structural and stratigraphic framework. These near-diapir sequences which distinctly record salt-sediment interaction bear a number of potential hydrocarbon traps and present an excellent model for other salt-rich hydrocarbon systems.

Better understanding of the structural, Previous HitsedimentaryTop and salt tectonic evolution and improved knowledge of the position and amount of salt has furthermore effects on seismic modelling and depth conversion and advances the prediction of potential reservoirs in the sub-salt sequences.

 

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