The bankrupt Brazil independent, renamed Oleo e Gas Participacoes, holds a 40% stake in the post-salt field in Block BS-4 in Brazil's Santos Basin, with operator QGEP on 30% and Barra Energia on 30%.

QGEP was notified by Brazil's National Petroleum Agency (ANP) on 23 December that Oleo e Gas has 15 days to "certify its status as a non-defaulting party within the concession agreement ...