Brent crude futures gained 82 cents, or 0.8 percent, to $104.42 a barrel as of 05:10 GMT.
US West Texas Intermediate (WTI) crude went up 50 cents, or 0.5 percent, to $96.59, reversing earlier declines, Al Jazeera reported.
The gains follow the previous session, when Brent settled at its lowest level in nearly four weeks as traders weighed talks aimed at ending the wars in Ukraine and Iran.
