OPEC is monitoring unrest in Iran as well as Venezuela’s economic crisis, but the group will only boost output if there are significant and sustained production disruptions from those countries, a senior OPEC source from a major Middle Eastern oil producer said. Venezuela’s economic troubles have hit the country’s oil output, which is at near 30-year lows, but Iran’s output has not been affected by a wave of anti-government protests. Traders said political tensions in Iran, the third-largest producer in the Organization of the Petroleum Exporting Countries (OPEC), had pushed prices higher. Brent crude LCOc1, the international benchmark, was trading at around $67.52 a barrel, on Monday. Brent hit $68.27 high last week, the highest since May 2015, on Iran tensions. Saudi Arabia, OPEC’s de-facto leader, wants to see oil prices above $60 a barrel, to boost the valuation of its national oil company Aramco ahead […]