Oil from the Deepwater Horizon oil spill swirls in various colours in shallow water on East Grand Terre Island, Louisiana June 8, 2010. Energy giant BP Plc said on Tuesday it had sharply increased the amount of oil it was capturing from its blown-out Gulf of Mexico well, but U.S. officials want to know exactly how much oil is still gushing out. REUTERS/Lee Celano (UNITED STATES - Tags: DISASTER ENVIRONMENT ENERGY)