Worlds Largest Oil and Gas Companies by their oil and natural gas reserves

Rank..by 2010 Oil Equivalent Reserves
Gas..Billion Cubic Feet
Oil..Million Barrels


Pos Company Gas Oil
1 National Iranian Oil Company
(Iran) opec
1.045.6 315.7
2 Saudi Arabian Oil Company
(Saudi Arabia) opec
275.2 307.1
3 Petroleos de Venezuela S.A.
(Venezuela) opec
178.8 241.7
4 Qatar General Petroleum Corporation
(Qatar) opec
895.8 178.5
5 Iraq National Oil Company
(Iraq) opec
119.9 135.5
6 Abu Dhabi National Oil Company
(UAE) opec
212.0 128.4
7 Kuwait Petroleum Corporation
(Kuwait) opec
63.0 112.2
8 Nigerian National Petroleum Corp.
(Nigeria) opec
186.8 69.1
9 National Oil Company
(Libya) opec
54.6 55.7
10 Sonatrach
(Algeria) opec
159.0 39.3
11 OAO Gazprom
(Russia)
171.1 29.2
12 OAO Rosneft
(Russia)
27.9 22.8
13 PetroChina Co. Ltd.
(China)
65.5 22.4
14 BP Corporation
(United Kingdom)
44.7 17.8
15 Egyptian General Petroleum Corp.
(Egypt)
77.2 17.5
16 ExxonMobil Corporation
(United States)
46.8 17.4
17 Petroleos Mexicanos
(Mexico)
17.3 13.3
18 OAO Lukoil
(Russia)
23.3 13.0
19 Royal Dutch Shell
(Netherlands)
47.1 12.5
20 Petroleo Brasilerio S.A.
(Brazil)
13.0 12.5
21 Sonangol
(Angola) opec
10.9 11.3
22 Chevron Corporation
(United States)
24.2 10.6
23 Petroleum Development Oman LLC
(Oman)
30.0 10.6
24 Total
(France)
25.7 10.3
25 Conoco Phillips
(United States)
18.2 6.7
26 ENI
(Italy)
17.8 6.6
27 Petroleos de Ecuador
(Ecuador) opec
282.0 6.5
28 Petronas
(Malaysia)
22.8 5.9
29 Statoil
(Norway)
17.9 5.1
30 Suncor Energy Inc.
(Canada)
2.0 4.9
31 Dubai Petroleum Company
(UAE) opec
4.0 4.6
32 Pertamina
(Indonesia) opec
20.5 4.4
33 Canadian Natural resource(s)
(Canada)
3.5 3.5
34 Occidental Petroleum Corp.
(United States)
5.3 3.3
35 China National Offshore Oil Corp.
(China)
6.4 3.0
36 Apache Corp.
(United States)
9.8 2.9
37 Devon Energy Corporation
(United States)
10.2 2.9
38 EnCana Corp.
(Canada)
13.7 2.4
39 Repsol YPF
(Spain)
7.3 2.2
40 Anadarko Petroleum Corp.
(United States)
8.1 2.1
41 Chesapeake Energy Corp.
(United States)
11.3 2.0
42 EOG resource(s)
(United States)
8.4 1.9
43 Canadian Oil Sands Ltd
(Canada)
0 1.8
44 Ecopetrol
(Colombia)
2.4 1.8
45 Myanma Oil & Gas Enterprise
(Myanmar)
10.0 1.7
46 Talisman Energy Ltd.
(Canada)
5.4 1.6
47 Hess Corp.
(United States)
2.5 1.5
48 BG Group PLC
(United Kingdom)
5.9 1.4
49 Marathon Oil Corp.
(United States)
2.6 1.0
50 Pioneer Natural resource(s)
(United States)
2.6 1.0

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