Violence erupted in the capital of Indonesia's troubled province of West Papua on Wednesday...The general security situation in West Papua and Indonesia as a whole is a key factor in winning long-term gas-supply contracts... [Also refers to Aceh. Companies referred to: Freeport-McMoRan, BP, Halliburton, KBR (formerly Kellogg Brown & Root, part of Halliburton), JGC Corporation, ExxonMobil, Sempra Energy, K-Power, Posco]