International oil prices fell slightly on the 18th.

As of the close of the day, the price of light crude oil futures for delivery in October on the New York Mercantile Exchange fell by 48 cents to close at $63.57 per barrel, a decrease of 0.75%; while the price of Brent crude oil futures for delivery in November on the London International Exchange fell by 51 cents to close at $67.44 per barrel, a decrease of 0.75%.