The development stages:Exploration drilling/2015-03,In production - under development/2015-06.Block X was previously owned by Petrobras Energía Perú, which was awarded a 14-year concession to operate the area. It has reserves of 100Mboe. In 2012, the company began to operate 30 new wells in the block. Petrobras has developed a US$16mn project to expand its oil processing facilities in block X. In 2013 the block accounted for a 13.000 b/d production equivalent, and later in 2014 Petrobras concluded the sale of a 100% of its shares and stake in the block to China National Petroleum Corporation - CNPC.