Indonesian government handed over the management of eight working areas (WA) that expired its contract in 2018 to PT Pertamina. The investment potential for the first three-year worth of US$556.45 million. The eight blocks namely North Sumatra Offshore block, Ogan Komering block, Southeast Sumatra block, Tuban block, East Kalimantan block, Attaka block, Tengah block, and Sanga-sanga block.