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BASEMENT CONTROLLED STRUCTURATION IN WEST AFRICAN SALT BASINSNormal access

Authors: J. Shah, I. Ismail, G. Aird, K.H. Leong, S. Mustafa and F.P. Ferrer
Event name: Asia Petroleum Geoscience Conference and Exhibition 2019
Session: Oral Session 14: Structural Geology and Impact on Petroleum Systems
Publication date: 29 October 2019
DOI: 10.3997/2214-4609.201903384
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 943.82Kb )
Price: € 20

Summary:
Basement structures and their tectonics have important role in architecting the plays and traps in the Post-salt sediments. The important parameters which should be studied carefully to understand the structuration in the Post-salt sediments are (i) salt thickness, (ii) detachment slope (iii) amount of overburden and (iv) inherited topography for the basin on which salt was precipitated. The tectonic fabric of the basement is a major controlling factor in defining the structure size as well as sedimentary facies distribution in the sediment sequences deposited atop a relatively planar Salt Basin of Southern West Africa. The deformation and sediment distribution through time is controlled by the tectonic fabric of the basement in West African Passive continental margins. Thus, it’s implication on the formation of prospective hydrocarbon traps should be studied carefully in order to downsize the uncertainty and improving the chances of success.


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