By 15:01 Moscow time on Tuesday, september futures for Brent crude went up by 85 cents to 78 dollars 15 cents per barrel. August WTI crude oil futures added 89 cents and amounted to 74 dollars 83 cents per barrel. According to MarketWatch, oil production in Libya fell by 850,000 barrels, as the main Libyan ports remain closed, through which oil is exported from the country. A month lay-off of the Canadian company that produces 350,000 barrels per day, due to an accident, actively reduces oil reserves in the United States. According to the data on oil transportation, Saudi Arabia increased oil production by 330 thousand barrels per day in June.