10.6084/m9.figshare.3453092.v1
Suzanne E. Beglinger
Suzanne E.
Beglinger
Harry Doust
Harry
Doust
Sierd Cloetingh
Sierd
Cloetingh
Relating petroleum system and play development to basin evolution: Brazilian South Atlantic margin
Geological Society of London
2016
analogue
petroleum system
tectonostratigraphic basin evolution
Brazilian South Atlantic margin
megasequence
Geology
2016-06-21 11:07:56
Dataset
https://geolsoc.figshare.com/articles/dataset/Relating_petroleum_system_and_play_development_to_basin_evolution_Brazilian_South_Atlantic_margin/3453092
<p>We review the structural genesis and evolutionary history of basins along the Brazilian South Atlantic margin from the Sergipe-Alagoas
(north) to the Pelotas basin (south), and demonstrate the links with petroleum system and play development. In our approach,
we first break basins down into their tectonostratigraphic megasequences and define their characteristics, particularly focused
on the development of characteristic source- and reservoir-rock intervals. We then compare these megasequences with similar
types of megasequences in other basins, thereby providing a means to learn through a greater population of analogues. We demonstrate,
using trajectory plots, that these basins experienced a similar tectonostratigraphic basin evolution, resulting in the deposition
of many analogue potential source- and reservoir-rock intervals. These give rise to the development of similar types of potential
petroleum systems and play (level)s. Although the area is currently being actively explored, large areas remain poorly understood,
with unknown source-rock maturity distributions and many unknown/untested reservoirs/plays. This approach allows us to make
analogue comparisons between the Brazilian marginal basins in order to evaluate and predict the presence of potential, yet
undiscovered or under-explored, hydrocarbon accumulations.
</p>