PetroChina may pay $1.4 Billion for Kazakhstani Oil Stake

    PetroChina Co., Asia’s biggest crude producer, plans to pay as much as $1.4 billion for a stake in an oil company in Kazakhstan to take advantage of lower commodity prices and expand overseas, Chairman Jiang Jiemin said.     PetroChina is buying 50 percent of AO MangistauMunaiGas through its unit CNPC Exploration...