(EnergyAsia, August 23) — A wholly-owned subsidiary of China’s CNPCI will pay US$55 per share in cash for all outstanding common shares of Canada’s PetroKazakhstan Inc, said the Calgary-based company. The deal is worth around US$4.18 billion. CNPC International Ltd. (CNPCI) is wholly owned by China National Petroleum Corp (CNPC). The offer represents a premium…