(EnergyAsia, October 4 2010, Monday) — China’s state-owned integrated oil companies, Sinopec, has agreed to pay US$7.1 billion for a 40% stake in the Brazilian subsidiary of Spanish oil firm Repsol. The deal will value the joint venture at more than US$17.77 billion while Repsol Brasil’s assets are worth more than US$10.66 billion. The company…