Oil rose above US$133 a barrel Monday on persistent worries about global petroleum supplies and the outlook for the U.S. economy and the dollar.Reports of an attack by militants on an oil pipeline in Nigeria, one of Africa`s largest oil exporters, also helped boost prices.Light, sweet crude for July delivery on the New York Mercantile Exchange was up 88 cents at $133.07 a barrel in electronic trading by late afternoon in Europe. The contract rose $1.38 to settle at $132.19 a barrel on Friday.Nym