SHELL CANADA <SHC> RAISES CRUDE 32 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 crude oil from Edmonton/Swann Hills 32 Canadian cts a barrel, effective today. The new price for light sweet crude oil is 25.60 Canadian dlrs a barrel while the new price for light sweet sour crude is 24.08 Canadian dlrs a barrel. The Royal Dtuch/Shell Group owns 72 pct of Shell Canada and public shareholders, primarily Canadian, own the remaining 28 pct of the company, a Shell Canada spokesman said.