On 21 June 2018, the ANP approved the 50% working interest transfer in the 42.73 sq km Rio Ipiranga production concession to Imetame Energia Lta by operator IPI Oil Exploracao de Petroleo Ltda.Â  IPI will remain the operator with 50% working interest and Imetame has 50% non-operated working interest.Â    On 19 March 2014, the ANP approved the sale of 100% working interest that Cheim Transportes SA held in the 42.73 sq km Rio Ipiranga production concession to IPI Oil Exploracao de Petroleo Ltda.Â  Cheim Transportes produced an average of 14.92 bo/d in 2013 from the 1-CAN-003-ES (1-BRSA-057-ES) wildcat completed by Petrobras in 2001 but never developed.Â  Cheim Transportes was awarded the block on 4 December 2006 after being the high bidder in the ANP 2nd Marginal Fields Round.
IPI (->50% op.) tranfered 50% non op. WI in Rio Ipiranga production concession to Imetame Energia