Tighter supplies and slower US inflation helped crude break out of the trading range it had been stuck in for about two months, with Brent crude closing above $80 a barrel for the first time since April.
Oil posted a second weekly gain as evidence mounted that the decision by OPEC+ leaders Saudi Arabia and Russia to tighten supplies was making a mark across physical markets.
Oil settled a penny higher after a choppy session in which mixed signals, including a price hike for Saudi crudes and broader risk-off sentiment, pulled traders in opposite directions.