By Luciana Magalhaes, Oliver Griffin and Stephanie Kelly SAO PAULO/LONDON, March 4 (Reuters) - Brazilian sugar and ethanol producer Raizen said on Wednesday it is analysing a proposal for a Shell-led ...

Shell announced that first injection of water occurred on July 3, 2008 in the Ursa/Princess Waterflood project, and is planned to continue for the next 30 years. The waterflood is expected to extend ...