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Technical Paper: Deepwater Exploration Potential of the Santos Basin from Recently Acquired Seismic Data
Paper 1816677
Abstract
The deepwater regions of Brazil’s continental margin basins
are attracting increased attention from exploration companies.
The most recent offshore Bid Round, number 3, scheduled
for June 2001, is focused on the deepwater regions of
offshore Brazil. Of the 43 offered blocks, 31 lie in the
deepwater region, with 12 of these deepwater blocks located
in the Santos Basin. Many large oil fields have already been
discovered in the deepwater Campos Basin, such as Marlim
and more recently Roncador. By comparison, the deepwater
region of the Santos Basin has been less explored and is less
understood, the single discovery to date occurring in late
1999. This paper outlines the encouraging hydrocarbon
potential of the deepwater Santos Basin by utilizing a
recently acquired, processed and interpreted 2D dataset
which has revealed numerous, largely untested, play types.
These plays include both structural and stratigraphic
components. Salt-related large 4-way closures, including
faulted and unfaulted turtle structures and drapes over salt
have been identified along with sub-unconformity traps. All
these identified play types have examples with associated
amplitude anomalies, which are widespread throughout the
basin, at varying stratigraphic and structural levels.
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