"Chevron Corp. said Tuesday it had successfully drilled for oil in the Gulf of Mexico's deep waters, and one published report suggested the breakthrough could increase U.S. oil reserves by as much as 50 percent."
http://money.cnn.com/2006/09/05/news/companies/chevron.reut/index.htm?cnn=yes
http://money.cnn.com/2006/09/05/news/companies/chevron.reut/index.htm?cnn=yes