| Rank | Country | million bbl | Oil - proved reserves |
23 | Oman | 4,850 | 
4.85 billion bbl (1 January 2007 est.) |
24 | Ecuador | 4,727 |
4.727 billion bbl (1 January 2007 est.) |
25 | Indonesia | 4,430 |
4.43 billion bbl (1 January 2007 est.) |
26 | Egypt | 3,750 |
3.75 billion bbl (1 January 2007 est.) |
27 | Yemen | 3,580 |
3.58 billion bbl (1 January 2007 est.) |
28 | United Kingdom | 3,560 |
3.56 billion bbl (1 January 2007 est.) |
29 | Vietnam | 3,300 |
3.3 billion bbl (1 January 2007 est.) |
30 | Malaysia | 3,000 |
3 billion bbl (1 January 2007 est.) |
31 | Syria | 2,500 |
2.5 billion bbl (1 January 2007 est.) |
32 | Argentina | 2,086 |
2.086 billion bbl (1 January 2007 est.) |
33 | Burma | 1,963 | 1.963 billion bbl (2007 est.) |
34 | Gabon | 1,748 |
1.748 billion bbl (1 January 2007 est.) |
35 | Tunisia | 1,700 |
1.7 billion bbl (1 January 2007 est.) |
36 | Congo, Republic of the | 1,506 | 1.506 billion bbl (1 January 2006 est.) |
37 | Chad | 1,500 | 1.5 billion bbl (1 January 2006 est.) |
38 | Australia | 1,437 | 1.437 billion bbl (1 January 2006 est.) |
39 | Colombia | 1,388 |
1.388 billion bbl (1 January 2007 est.) |
40 | Brunei | 1,350 | 1.35 billion bbl (1 January 2006 est.) |
41 | Denmark | 1,328 | 1.328 billion bbl (1 January 2006 est.) |
42 | Romania | 955.6 | 955.6 million bbl (1 January 2006 est.) |
43 | Italy | 621.7 | 621.7 million bbl (1 January 2006 est.) |
44 | Trinidad and Tobago | 605.8 | 605.8 million bbl (1 January 2007 est.) |
45 | Uzbekistan | 594 | 594 million bbl (1 January 2006 est.) |
46 | Equatorial Guinea | 563.5 | 563.5 million bbl (1 January 2002 est.) |
47 | Guatemala | 526 | 526 million bbl (1 January 2006 est.) |
48 | Turkmenistan | 500 | 500 million bbl (1 January 2007 est.) |
49 | Bolivia | 440.5 | 440.5 million bbl (1 January 2006 est.) |
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