Economy Oil prices firm with Brent nearing $80 on supply worries Updated : May 22, 2018 01:15 PM IST The United States also toughened its stance on Iran and made a list of sweeping demands, which could further curb the country's crude oil exports and boost oil prices. Brent crude futures were at $79.37 per barrel at 0632 GMT, up 15 cents, or 0.2%, from their last close. US West Texas Intermediate (WTI) crude futures were at $72.45 a barrel, up 21 cents, or nearly 0.3%. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.