Offers under the original timetable for the auxiliary units and complementary works for the Talara refinery modernization project are due in November.
Some US$2.285bn worth of debt due in 2019 will be exchanged for a 5.299% bond due in 2025 while US$3.935bn of notes maturing in 2021 will be converted into 5.999% notes expiring in 2028, the Brazilian NOC said in a securities filing.
The Brazilian petrochemical company agreed to acquire a controlling stake in the environmental firm from its controller Odebrecht early this year.
The scandal-ridden Brazilian company and its partners in the US$7bn southern Peruvian natural gas pipeline project will be given a deadline to hand over piping and other assets from the scrapped concession.
The announcement is part of an agreement reached in January between the government, drillers and refiners to gradually merge domestic crude oil prices with international benchmarks.
The director of Brazil's association of biodiesel producers, Donizete Tokarski, spoke to BNamericas about the sector's busy schedule for 2018, which includes the energy ministry's program for the development of the biofuels industry, called RenovaBio,
The Mexican state utility has restored power to 92% of the affected, Pemex says that fuel supplies are undamaged, and two wind projects have been downgraded by Fitch because of uncertainties following the quake.