Early Cretaceous-Miocene potential seen in deepwater Potiguar basin off Brazil

05/27/2002
The structural/stratigraphic evolution of the deepwater Potiguar basin off northeastern Brazil is complex but has resulted in an environment favorable for hydrocarbon accumulations.Reservoir potential exists in sediments ranging from Early Cretaceous to Miocene, with reservoirs developed in lacustrine, fluviodeltaic, shallow marine, and deep marine turbidite depositional systems.Burial history and thermal history are such that potential source rocks have passed into or through the oil window. The extensive fault systems extending from basin basement into Miocene strata provide conduits for hydrocarbon migration into younger reservoirs (allochthonous sourcing). Several play types that are ...
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