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Tracing the history of exploration in the Brazilian pre-salt oil region

The Brazilian pre-salt oil region, first explored in 2006 by Petrobras, is an oil-rich offshore reserve trapped below a 2,000m-thick layer of salt, which itself is located below 2,000m-thick post-salt sediments. In this special timeline feature, Offshore Technology looks at how Brazil’s pre-salt region has been developed and why it has recently attracted more investment from major oil firms.


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