U.S. benchmark oil futures erased losses to settle higher on the day.
West Texas Intermediate for July delivery added 17 cents, or 0.3 percent, to $57.68 a barrel on the New York Mercantile Exchange. Prices earlier touched $56.51, the least since April 28.
Brent for July settlement rose 47 cents to $62.53 a barrel on the London-based ICE Futures Europe exchange. It earlier slipped to $61.24, the lowest intraday level since April 15. The European benchmark crude traded at a $4.81 premium to WTI.