	shell canada shc raises  cts canadian shell canada shc whose majority interest is owned by the royal dutch shell group of companies raised the postings of light sweet and sour  oil from edmonton swann hills canadian cts a barrel effective today the new price for light sweet  oil is canadian dlrs a barrel while the new price for light sweet sour  is canadian dlrs a barrel the royal dtuch shell group owns pct of shell canada and public shareholders primarily canadian own the remaining pct of the company a shell canada spokesman said reuter 
