World's Largest Oil & Gas Companies
by their oil and natural gas reserves

Rank: by 2010 Oil Equivalent Reserves

Gas: Worldwide Natural Gas Reserves, Billion Cubic Feet

Oil: Total Reserves in Oil Equivalent Barrels, Million Barrels

Pos Company Gas Oil
1 National Iranian Oil Company (Iran) OPEC 1.045.670 315.757
2 Saudi Arabian Oil Company (Saudi Arabia) OPEC 275.200 307.143
3 Petroleos de Venezuela S.A. (Venezuela) OPEC 178.860 241.744
4 Qatar General Petroleum Corporation (Qatar) OPEC 895.800 178.508
5 Iraq National Oil Company (Iraq) OPEC 119.940 135.503
6 Abu Dhabi National Oil Company (UAE) OPEC 212.000 128.439
7 Kuwait Petroleum Corporation (Kuwait) OPEC 63.000 112.269
8 Nigerian National Petroleum Corp. (Nigeria) OPEC 186.880 69.145
9 National Oil Company (Libya) OPEC 54.680 55.767
10 Sonatrach (Algeria) OPEC 159.000 39.379
11 OAO Gazprom (Russia) 171.176 29.261
12 OAO Rosneft (Russia) 27.933 22.885
13 PetroChina Co. Ltd. (China) 65.503 22.475
14 BP Corporation (United Kingdom) 44.700 17.829
15 Egyptian General Petroleum Corp. (Egypt) 77.200 17.597
16 ExxonMobil Corporation (United States) 46.813 17.420
17 Petroleos Mexicanos (Mexico) 17.316 13.319
18 OAO Lukoil (Russia) 23.3 13.029
19 Royal Dutch Shell (Netherlands) 47.135 12.585
20 Petroleo Brasilerio S.A. (Brazil) 13.039 12.531
21 Sonangol (Angola) OPEC 10.940 11.370
22 Chevron Corporation (United States) 24.251 10.648
23 Petroleum Development Oman LLC (Oman) 30.000 10.628
24 Total (France) 25.788 10.395
25 Conoco Phillips (United States) 18.235 6.733
26 ENI (Italy) 17.882 6.680
27 Petroleos de Ecuador (Ecuador) OPEC 282 6.558
28 Petronas (Malaysia) 22.848 5.986
29 Statoil (Norway) 17.965 5.195
30 Suncor Energy Inc. (Canada) 2.036 4.920
31 Dubai Petroleum Company (UAE) OPEC 4.000 4.684
32 Pertamina (Indonesia) OPEC 20.538 4.414
33 Canadian Natural Resources (Canada) 3.575 3.570
34 Occidental Petroleum Corp. (United States) 5.320 3.385
35 China National Offshore Oil Corp. (China) 6.458 3.019
36 Apache Corp. (United States) 9.867 2.995
37 Devon Energy Corporation (United States) 10.283 2.918
38 EnCana Corp. (Canada) 13.775 2.448
39 Repsol YPF (Spain) 7.341 2.206
40 Anadarko Petroleum Corp. (United States) 8.117 2.137
41 Chesapeake Energy Corp. (United States) 11.327 2.057
42 EOG Resources (United States) 8.470 1.986
43 Canadian Oil Sands Ltd (Canada) 0 1.800
44 Ecopetrol (Colombia) 2.439 1.867
45 Myanma Oil & Gas Enterprise (Myanmar) 10.000 1.759
46 Talisman Energy Ltd. (Canada) 5.464 1.683
47 Hess Corp. (United States) 2.598 1.548
48 BG Group PLC (United Kingdom) 5.984 1.448
49 Marathon Oil Corp. (United States) 2.617 1.077
50 Pioneer Natural Resources (United States) 2.675 1.022
Pos Company Gas Oil
OPEC member OPEC

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