United Kingdom
3.084 billion bbl (1 January 2010 est.)
United States
19.12 billion bbl (1 January 2010 est.)
Uruguay
0 bbl (1 January 2010 est.)
Uzbekistan
594 million bbl (1 January 2010 est.)
Vanuatu
0 bbl (1 January 2010 est.)
Venezuela
97.77 billion bbl (1 January 2010 est.)
Vietnam
4.7 billion bbl (1 January 2010 est.)
Virgin Islands
0 bbl (1 January 2010 est.)
West Bank
NA bbl (1 January 2009 est.)
Western Sahara
0 bbl (1 January 2010 est.)