Murphy Oil to Take Over Shell Canada Energy Assets at Seal Lake in Canada by Luke Jones Posted 11/13/2012 04:31 pm Updated 2 years ago Murphy Oil Corp. of El Dorado subsidiary Murphy Oil Co. Ltd. agrees to take over as opeator Shell Canada Energy's assets in the Seal Lake area of Alberta, Canada. Want the Full Article? Get Unlimited Archive Access for $19.95 per Year Readers must pay to access stories older than 20 days. Purchase Now Already have archive access? Login to view this article.