7月23日电，美国至7月18日当周API原油库存减少57.7万桶，预期减少64.6万桶。

Core Viewpoint - The API crude oil inventory in the U.S. decreased by 577,000 barrels for the week ending July 18, contrasting with a previous increase of 839,000 barrels [1] Group 1 - The reduction in crude oil inventory indicates a potential tightening in supply, which may influence oil prices [1] - The previous week's inventory data showed an increase, suggesting fluctuations in oil supply dynamics [1]