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Leading Oil and Gas Companies Around the World1

Rank by
2007 Oil
Equivalent
Reserves



Company
Worldwide
Liquids Reserves,
Million
Barrels
Worldwide
Natural Gas Reserves,
Billion
Cubic Feet
Total Reserves
in Oil Equivalent Barrels,
Million Barrels
1 Saudi Arabian Oil Company (Saudi Arabia) 3 259,900 253,800 303,285
2 National Iranian Oil Company (Iran) 3 138,400 948,200 300,485
3 Qatar General Petroleum Corporation (Qatar)3 15,207 905,300 169,959
4 Iraq National Oil Company (Iraq) 2,3 115,000 119,940 134,135
5 Petroleos de Venezuela.S.A. (Venezuela) 3 99,377 170,920 128,594
6 Abu Dhabi National Oil Company (UAE)  3 92,200 198,500 126,132
7 Kuwait Petroleum Corporation (Kuwait) 3 101,500 55,515 110,990
8 Nigerian National Petroleum Corporation (Nigeria) 3 36,220 183,990 67,671
9 National Oil Company  (Libya) 2,3 41,464 50,100 50,028
10 Sonatrach (Algeria) 2,3 12,200 159,000 39,379
11 Gazprom (Russia) 0 171,176 29,261
12 OAO Rosneft (Russia) 17,513 25,108 21,805
13 PetroChina Co. Ltd. (China) 11,706 57,111 21,469
14 Petronas (Malaysia) 5,360 82,992 19,547
15 OAO Lukoil (Russia) 15,715 28 15,720
16 Egyptian General Petroleum Corp. (Egypt) 2 3,700 58,500 13,700
17 ExxonMobil Corporation (United States) 7,744 32,610 13,318
18 Petroleos Mexicanos (Mexico) 11,048 12,578 13,198
19 BP Corporation (United Kingdom) 5,492 41,130 12,523
20 Petroleo Brasilerio S.A. (Brazil) 9,613 12,547 11,578
21 Chevron Corporation (United States) 7,087 22,140 10,870
22 Royal Dutch/Shell  (Netherlands) 3,776 40,895 10,767
23 ConocoPhillips (United States) 6,320 25,438 10,668
24 Sonangol (Angola)3 9,035 9,530 10,664
25 Petroleum Development Oman LLC (Oman) 5,500 30,000 10,628
26 Total (France) 5,778 25,730 10,176
27 Statoil (Norway) 2,389 20,319 5,862
28 ENI (Italy) 3,925 11,204 5,840
29 Dubai Petroleum Company (United Arab Emirates) 2,3 4,000 4,000 4,684
30 Petroleos de Ecuador (Ecuador)3 4,517 NR 4,517
31 Pertamina (Indonesia) 3 903 20,538 4,414
32 EnCana Corp.  (Canada) 927 13,300 3,201
33 Occidental Petroleum Corporation (United States) 2,228 3,843 2,885
34 China National Offshore Oil Corp. (China) 1,490 6,232 2,555
35 Devon Energy Corporation (United States) 998 8,994 2,535
36 Anadarko Petroleum Corporation (United States) 1,014 8,504 2,468
37 Repsol YPF (Spain) 952 8,137 2,343
38 Canadian Natural Resources (Canada) 1,358 3,666 1,985
39 XTO Energy (United States) 308 9,441 1,922
40 Ecopetrol (Columbia) 1,450 2,439 1,867
41 Chesapeake Energy Corp. (United States) 124 10,137 1,856
42 Talisman Energy Ltd. (Canada) 749 5,464 1,683
43 Apache Corp. (United States) 1,134 2,446 1,552
44 EOG Resources (United States) 179 7,745 1,503
45 Romanian National Oil Co. (Romania) 2 863 3,550 1,470
46 BHP Billiton Ltd (Australia) 565 4,727 1,373
47 BG Group PLC (United Kingdom) 393 5,572 1,345
48 Hess Corp. (United States) 885 2,668 1,341
49 Marathon Oil Corp. (United States) 650 3,450 1,240
50 Shell Canada Ltd. (Canada) 808 1,400 1,047

Notes:

1 Ranked in order of 2007 worldwide oil equivalent reserves as reported in "OGJ 200/100", Oil & Gas Journal, September 15, 2008.
2
Information from Energy Information Administration Country Analysis Briefings.
3 OPEC member


To learn more about the world oil and gas industry, please check out the following PetroStrategies classes:

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A Layman's Guide to the Oil & Gas Industry

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The Oil & Gas Industry in Perspective


For more information about the world oil and gas industry, check out the following references:

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Fundamentals of Petroleum, Fourth Edition, Kate Van Dyke, Petroleum Extension Service, c 1997.

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The Petroleum Industry: A Nontechnical Guide, Charles F. Conaway, Pennwell Publishing.

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Oil: Anatomy of an Industry, Matthew Yeomans. 


Updated 06/17/14

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