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West Africa Pre-salt Lacustine CarbonatesGold Open Access

Author: P. Ronchi
Event name: First EAGE/ASGA Petroleum Exploration Workshop
Session: Exploration Studies
Publication date: 02 October 2017
DOI: 10.3997/2214-4609.201702343
Organisations: EAGE
Language: English
Info: Abstract, PDF ( 454.16Kb )

Summary:
During the Early Cretaceous rifting, the central segment of South Atlantic was characterized by a complex paleomorphology dominated by large lacustrine basins, that were filled by clastic and carbonate sediments and finally covered by restricted marine evaporites. These thick sequences constitute important hydrocarbon plays successfully explored in both eastern and western margins of South Atlantic. The carbonate bodies growth on paleo-highs constitutes giant fields in the Brasil offshore; in the African margin the success was lower, with good reservoirs in the Lower Congo Basin (Angola, Cabinda), and lower explorative results in the Kwanza Basin.

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