Benchmark West Texas Intermediate crude for August delivery edged 10 cents lower to close at US$105.74 a barrel on the New York Mercantile Exchange.
Brent crude, a benchmark used to price international oils used my many U.S. refineries, rose nine cents to close at US$113.30 a barrel in London.
The prices of both U.S. and international oils have slipped somewhat in recent days since reaching 10-month highs late last week, a sign investors are starting to believe that the violence in Iraq won't spread to that country's oil-producing south.
In other energy futures trading on the Nymex, wholesale gasoline rose 1.3 cents to close at US$3.07 a U.S. gallon (3.79 litres), heating oil fell 1.6 cents to close at US$3 a gallon and natural gas fell 1.1 cents close at US$4.39 per 1,000 cubic feet.
(TSX:ECA), (TSX:IMO), (TSX:SU), (TSX:HSE), (NYSE:BP), (NYSE:COP), (NYSE:XOM), (NYSE:CVX), (TSX:CNQ), (TSX:TLM), (TSX:COS), (TSX:CVE)