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World's Largest Oil and Gas Companies


Notes:

       Green bars are OPEC members

       Red bars are Russian companies

       Black bars are non-OPEC national oil companies

       White bars are non-US companies

       Blue bars are US-based public companies





Rank by
2014 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 National Iranian Oil Company (Iran)3 154,580 1,187,000 357,486
2 Petroleos de Venezuela.S.A. (Venezuela)3 297,570 195,100 330,920
3 Saudi Arabian Oil Company (Saudi Arabia)3 265,850 287,844 315,054
4 Qatar General Petroleum Corporation (Qatar)3 25,240 890,000 177,377
5 Iraq National Oil Company (Iraq)3 141,350 111,520 160,413
64 Abu Dhabi National Oil Company (UAE)3 92,200 200,000 126,388
74 Kuwait Petroleum Corporation (Kuwait)3 101,500 63,000 112,269
8 Nigerian National Petroleum Corp. (Nigeria)3 37,200 182,880 68,312
9 National Oil Company (Libya)3 48,010 54,630 57,348
104 Sonatrach (Algeria)3 12,200 159,054 39,389
114 OAO Gazprom (Russia) 5,212 139,533 29,063
12 OAO Rosneft (Russia) 18,328 35,032 24,316
13 PetroChina Co. Ltd. (China) 11,018 67,581 22,570
14 ExxonMobil Corporation (United States) 11,280 44,,181 18,832
154 Egyptian General Petroleum Corp. (Egypt)2 4,400 77,200 17,597
16 BP Corporation (United Kingdom) 10,213 35,813 16,335
17 OAO Lukoil (Russia) 13,121 23.3 13,125
18 Petroleos Mexicanos (Mexico) 10,073 17,075 12,992
19 Petroleo Brasilerio S.A. (Brazil) 10,539 13,345 12,307
20 Sonangol (Angola)3 9,500 12,925 11,709
21 Royal Dutch/Shell (Netherlands) 4,384 42,792 11,699
22 Total (France) 5,686 30,877 10,964
234 Petroleum Development Oman LLC (Oman) 5,500 30,000 10,628
24 Chevron Corporation (United States) 4,303 25,670 8,691
25 Petroleos de Ecuador (Ecuador)3 8,240 250 8,283
26 ConocoPhillips (United States) 3,358 16,259 6,137
274 Petronas (Malaysia) 2,080 22,848 5,986
28 ENI (Italy) 3,415 14,190 5,841
29 Statoil (Norway) 2,389 17,027 5,300
304 Dubai Petroleum Company (UAE)3 4,000 3,785 4,647
31 Canadian Natural Resources (Canada) 3,570 4,136 4,277
32 Occidental Petroleum Corp. (United States) 2,555 5,566 3,506
33 China National Offshore Oil Corp. (China) 2,181 6,005 3,207
34 Devon Energy Corporation (United States) 1,412 9,308 3,003
35 Anadarko Petroleum Corp. (United States) 1,258 9,205 2,832
36 Chesapeake Energy Corp. (United States) 723 11,734 2,729
37 Apache Corp. (United States) 1,423 7,338 2,678
38 EnCana Corp. (Canada) 283 11,617 2,268
394 Repsol YPF (Spain) 951.6 7,341 2,206
40 Marathon Oil Corp. (United States) 1,726 2,671 2,183
41 EOG Resources (United States) 1,278 5,045 2,140
424 Ecopetrol (Colombia) 1,450 2,439 1,867
434 Myanma Oil & Gas Enterprise (Myanmar) 50 10,000 1,759
44 Canadian Oil Sands Ltd (Canada) 1,700 0 1,700
464 Talisman Energy Ltd. (Canada) 749 5,464 1,683
47 BG Group PLC (United Kingdom) 458 6,322 1,538
48 Hess Corp. (United States) 1,108 1,975 1,446
49 Noble Energy Inc. 435 5,828 1,431
50 Continental Resources Inc. 738 2,078 1,093


Notes:

1 Ranked in order of 2010 worldwide oil equivalent reserves as reported in "OGJ 150/100", Oil & Gas Journal, September 1, 2014
2
Information from Energy Information Administration Country Analysis Briefings.
3 OPEC member

4 Prior year reserve figures used because data was unavailable


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. 

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Other Recommended books



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