The deal to buy 3m tonnes of LNG over 25 years that was struck by PetroChina with Qatar and its partner, Royal Dutch Shell, could be worth as much as $60bn, analysts said.

• 中国石油(PetroChina)与卡塔尔及其合作伙伴荷兰皇家壳牌集团(Royal Dutch Shell)签订协议，在未来25年购买300万吨液化天然气。分析人士表示，这笔交易价值可能高达600亿美元。