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This is copied from world atlas. With additional 7 billion barrels from this finding, China could jump to 12th.
Countries With The Largest Proven Oil Reserves
Rank Country Barrels (Millions of Barrels)
1 Venezuela 300,878
2 Saudi Arabia 266,455
3 Canada 169,709
4 Iran 158,400
5 Iraq 142,503
6 Kuwait 101,500
7 United Arab Emirates 97,800
8 Russia 80,000
9 Libya 48,363
10 United States 39,230
11 Nigeria 37,062
12 Kazakhstan 30,000
13 China 25,620
14 Qatar 25,244
15 Brazil 12,999
16 Algeria 12,200
17 Angola 8,273
18 Ecuador 8,273
19 Mexico 7,640
20 Azerbaijan 7,000
This is copied from wiki:
Proven reserves (millions of barrels) U.S. EIA (start of 2017)[1] OPEC (end of 2015)[2] BP (end of 2015)[3] Other
Country Rank Reserves Rank Reserves Rank Reserves Source/Date Reserves
Venezuela (see:
Oil reserves in Venezuela) 1 315,878 1 305,878 1 300,900
Saudi Arabia (see:
Oil reserves in Saudi Arabia) 2 266,455 2 266,455 2 266,600
Canada (see:
Oil reserves in Canada) 3 169,709 26 4,118
[4] 3 172,200 Natural Resources Canada, end 2014
[5] 171,000
Iran (see:
Oil reserves in Iran) 4 158,400 3 158,400 4 157,800
Iraq (see:
Oil reserves in Iraq) 5 142,503 4 142,503 5 143,100
Kuwait (see:
Oil reserves in Kuwait) 6 101,500 5 101,500 7 101,500
UAE (see:
Oil reserves in the United Arab Emirates) 7 97,800 6 97,800 8 97,800
Russia (see:
Oil reserves in Russia) 8 80,000 7 80,000 6 102,400
Libya (see:
Oil reserves in Libya) 9 48,363 8 48,363 10 48,400
United States (see:
Oil reserves in the United States) 10 39,230 10 36,685 9 55,000 ENI, end of 2015
[6] 43,629
Nigeria (see:
Oil reserves in Nigeria) 11 37,062 9 37,062 11 37,100
Kazakhstan 12 30,000 11 30,000 12 30,000
China 13 25,620 13 25,132 14 18,500
Qatar 14 25,244 12 25,244 13 25,244