Oil prices moved above US$115 a barrel Monday, the Associated Press reported. By midday in Europe, light, sweet crude for October delivery was up 63 cents to US$115.22 a barrel in electronic trading on the New York Mercantile Exchange. The contract tumbled US$6.59 on Friday to settle at US$114.59 a barrel. In London, October Brent crude was up 74 cents to US$114.66 on the ICE Futures exchange. In other Nymex trading, heating oil futures rose 2.72 cents to US$3.1583 a gallon, while gasoline prices gained 1.84 cent to US$2.887 a gallon. Natural gas futures increased 2.2 cents to US$7.865 per 1,000 cubic feet.