The ships will be delivered to Qatar in December this year and will supply gas to the United States and Europe.
In 2003, state-run Qatar Gas Transportation Co. and U.S. energy giant Exxon Mobil Corp. launched a joint project to transfer a million tons of gas from Qatar to Exxon Mobil's terminal in the U.S.
Qatar, the world's biggest LNG producer, has ordered a total of 53 LNG tankers from three Korean shipyards including Hyundai Heavy Industries Co., 26 of which were built by Daewoo Shipbuilding.