Oil prices rebounded 1 percent on Tuesday from a plunge in the previous session.
Front-month Brent futures rose $1.12, or 1.3 per cent, to $84.89 a barrel by 0355 GMT after dropping 7 per cent in the previous session to a three-week low.
US West Texas Intermediate (WTI) crude was up 77 cents, or 1 per cent, at $81.11 after falling more than 5 per cent in the previous session to stand at its lowest in nearly a week.
WAM