UPDATE 2-Imperial says Kearl oil sands cost rises by C$2 billion
Posted on February 01, 2013 at 13:18 PM EST
CALGARY, Alberta, Feb 1 (Reuters) - Imperial Oil Ltd said on Friday the cost of its recently completed Kearl oil sands project in northern Alberta ballooned to C$12.9 billion ($12.9 billion), nearly 20 percent above its last estimate, because of transportation delays and a harsh winter.