Meanwhile, the landlocked nation's hydrocarbons ministry rebuffs critics and says Bolivia can cover its gas supply pledges.
Incumbent President Nicolás Maduro secured a new six-year term on Sunday in a poll marked by low voter turnout and allegations of widespread irregularities.
While pre-salt is usually the focus in Brazil's oil sector, Imetame talks to BNamericas about the challenges surrounding the development of a more active market for small and medium-sized firms. The company's commercial director also shares details about the unitization agreement with Alvopetro.
The acquisition brings nitrogen production assets into the Norwegian company's Brazil portfolio.
The country could potentially attract some US$400bn in investments for the construction of 20 new biorefineries within the next two decades if policies on subsidies for biofuels change, according to the national association of industrial biotechnology.