UPDATED: Friday, April 13, 2012 - 8:53am
British Petroleum officials say the amount of oil being siphoned from the busted pipe has doubled since Monday.
Officials now estimate they've secured two-fifths of the leak, which is about 84,000 gallons.
BP CEO Tony Hayward talks more about their efforts to plug the massive spill in the above video.
Hayward also said the recent improvements will mean the environmental impact of the spill will be ""very, very modest."