Photograph taken on November 18 , 2011 of Chevron's SEDCO-706 oil drilling platform on the Frade oilfield, Campos basin, in the Atlantic Ocean, 370 km (230 miles) off Rio de Janeiro.  US oil giant Chevron announced March 15, 2012 it was seeking temporary suspension of production operations off southeastern Brazil after a new spill was discovered. AFP  PHOTO Márcia Foletto / Agência O Globo/ INTERNET OUT  BRAZIL OUT