MAXIM MARMUR/AP Western producers in Kazakhstan fear Russia may nationalize the Caspian Pipeline Consortium (CPC) terminal and cut their access to international markets.Chevron, the biggest Western partner in CPC, would have to invest heavily in new export infrastructure for crude from the Tengiz field if the terminal shuts.Closure of CPC would massively raise transportation costs from Tengiz and delay cost recovery from the field's $45 billion expansion. Save for later Print Download Share LinkedIn Twitter The Issue