Brent crude futures were up $1.81, or 1.7%, at $109.26 a barrel at 0403 GMT, while U.S. West Texas Intermediate (WTI) crude futures climbed $1.55, or 1.5%, to $107.68 a barrel.
Both benchmark contracts were, however, on track to post declines for the week, with Brent set to drop nearly 3% and WTI nearly 2%.