China National Offshore Oil Corp (CNOOC) has signed an LNG delivery agreement with Shell, Total and French energy company Suez. The company has signed the LNG spot delivery master agreement with the three companies. The agreement will lead these companies into China's LNG spot market, and make a reasonable profit for them. Santos Ltd said it has signed a production sharing contract with the Vietnam Oil and Gas Corp (Petrovietnam) for an exploration site in the Song Hong basin, offshore Vietnam. Santos, Australia's second largest oil and gas company, will conduct the exploration and hold a 55 pct interest while Singapore Petroleum Co Ltd will hold the remaining 45 pct share.