Brazilian firms Petrobras and Braskem are considering investments up to US$2.5 bln in petrochemical projects in natural gas-rich Peru. Agreements have been signed by the partners from the two countries including commitments by the Brazilian firms to study the feasibility of building new plants that would tap into Peru´s growing gas sector. About US$800 mln-1 bln is estimated to be invested in a methan plant and about US$1.5 bln in the ethane plant.