	shell canada shc to sell tankers to socanav shell canada ltd said its shell canada products ltd unit will sell three tankers effective april one to socanav inc terms were not disclosed shell also said it will contract exclusively from socanav normal marine distribution requirements for domestic markets with some exceptions for an initial year period shell also said its shell canadian tankers ltd unit will lay off employees and that socanav will offer jobs to employees the three shell vessels are lakeshell eastern shell and northern shell which range in size from to tonnes shell said shell canada is pct owned by royal dutch shell group rd reuter 
