Oil prices showed growth on Monday amid continuing risks of supply disruptions. Because of the beginning of the workers' protest action, three deposits in the North Sea reduce oil production. The supply of oil by Saudi Arabia through the Bab-el-Mandeb Strait in the Red Sea has not yet been restored. The first round of sanctions against Iran, renewed by the United States, comes into force on August 4. September futures for Brent crude by 14:10 Moscow time went up by 30 cents to 74 dollars 59 cents a barrel. Prices for the September WTI oil rose 90 cents to 69 dollars 59 cents per barrel. Analysts at Barclays expect a significant increase in oil prices in the fourth quarter amid foreign policy of President Donald Tramp.