* WCS for April delivery in Hardisty, Alberta traded between
$16.10 and $15.85 a barrel under the WTI, according to brokerage
CalRock, having traded between $15.35 and $15.70 a barrel under
WTI on Tuesday.
* The price of WCS for delivery in Hardisty has been
hampered in recent weeks by crude quality discounting pressure
at the U.S. Gulf Coast.
* Light synthetic crude from the oil sands for April
delivery traded $3.20 and $3.55 a barrel over WTI, according to
CalRock.
* U.S. benchmark oil futures fell by 92 cents a barrel on
Wednesday as fears that more aggressive U.S. interest rate hikes
would restrict economic growth and hamper oil demand outweighed
a larger-than-expected draw in U.S. crude stocks. (Reporting by Laila Kearney; Editing by Maju Samuel)