Sept 15 (Reuters) - Canadian heavy crude's discount versus West Texas Intermediate (WTI) widened slightly on Tuesday as Imperial Oil restarted one of its oil sands site after a pipeline outage was resolved.
* Western Canada Select (WCS) heavy blend crude for October delivery in Hardisty, Alberta, traded at $8.10 per barrel below WTI, according to NE2 Canada Inc. It settled on Monday at $8.05 under.
* Imperial Oil Ltd IMO.TO began restoring production at its 220,000-barrel-per-day (bpd) Kearl oil sands site in Alberta after Inter Pipeline IPL.TO restored service to its Polaris pipeline following a leak. Trading sources have said that the heavy differential is abnormally tight and due to widen as oil production picks up in the autumn.
* Light synthetic oil from the oil sands for October delivery traded at $1.75 below WTI, wider than Monday's settle of $1.30 under.
* Global oil prices rose nearly 3%, supported by hurricane supply disruptions in the United States, but demand concerns loomed as energy industry forecasters predicted a slower-than-expected recovery from the pandemic. O/R