Government of Indonesia plans to offer through auction 15 oil and gas working areas (fields) in next month. The scheme used, under Production Sharing Contract (PSC) / gross split, is expected to attract more investment appetite of investors. That said 15 working areas are; Durian (Riau), Tanimbar (Maluku), Memberamo (Papua), Andaman (1-2), South Tuna (Riau), Merak (Banten & Lampung), Pekawai (East Kalimantan), West Yamdena (Maluku), Kasuri 3 (West Papua), Jambi (1-2), Raja (South Sumatera), Bungawas (South Sumatera), and West Air Komering (South Sumatera).