The World's Oil Choke Points
The EIA has an updated page on the world's Oil choke points
http://www.eia.gov/countries/regions-topics.cfm?fips=WOTC
In 2011, total world oil production amounted to approximately 88 million barrels per day (bbl/d), and over one-half was moved by tankers on fixed maritime routes. By volume of oil transit, the Strait of Hormuz leading out of the Persian Gulf and the Strait of Malacca linking the Indian and Pacific Oceans are two of the world's most strategic chokepoints.