Backed by fears of disruptions in Venezuela's supply, oil prices rose on Friday. But they remain on the path of a weekly decline in a context of Market caution and optimism about the prospects for a peace agreement between Russia and Ukraine.

The price of Brent crude oil increased by 43 percent cents, or 0.70%, to reach $61.71 per barrel at 03:52 GMT, and the American West Texas Intermediate crude oil price was 58.03 dollars per barrel, up 43 cents, or 0.75%.

Following the seizure of a tanker this week, the The United States is preparing to intercept more ships carrying Venezuelan oil, thus increasing pressure on the Venezuelan president Nicolas Maduro, six sources familiar with the matter said Thursday.