Norway has narrowly avoided a strike at offshore oil platforms after trade unions and oil companies reached an agreement on wages in the early hours on Friday. The potential strike over wages could have threatened smooth operations offshore Norway, Western Europe's top oil and gas producer, at a time when the world is scrambling for oil and gas supply amid the Middle East crisis. Almost 8% of oil and gas workers offshore Norway early this week threatened to go on a strike from June 5 if trade union negotiations with industry fail to reach an agreement…