The US supermajor, which controls Imperial Oil and WWC LNG, said a plant to be built in the Kitimat and Prince Rupert area will process up to 1.46 trillion cubic feet of natural gas for a 25-year term.

"The LNG terminal will be designed to take delivery of natural gas primarily from the Western Canada sedimentary basin and liquefy it for export to markets outside China," the filing submitted Thursday says, adding that an exact site has not been selected.

Western