Petroleo Brasileiro SA remains undecided about the sale of some refineries, a sign Brazil’s state-controlled oil company might be leaning toward forming partnerships by offering stakes in some of them, a person with direct knowledge of the matter said on Thursday.
The person said Boston Consulting Group Inc had been analyzing potential scenarios for the company’s refining operations over the past couple of years, and recently suggested several alternatives for the unit.
Brazil Energy Insight 
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