Rank by
2006 Oil
Equivalent
Reserves

Company

Total Reserves
in Oil Equivalent Barrels,
Million Barrels

1

National Iranian Oil Company (Iran)

302,496

2

Saudi Arabian Oil Company
(Saudi Arabia)

302,279

3

Iraq National Oil Company (Iraq) 

134,145

4

Qatar General Petroleum Corporation (Qatar)

170,848

5

Abu Dhabi National Oil Company (UAE)  

126,132

6

Kuwait Petroleum Corporation (Kuwait)

108,316

7

Petroleos de Venezuela.S.A. (Venezuela) 

106,060

8

Nigerian National Petroleum Corporation (Nigeria) 

67,314

9

National Oil Company  (Libya)

50,464

10

Sonatrach (Algeria) 

39,918

11

Gazprom (Russia)

29,261

12

PetroChina Co. Ltd. (China)

20,758

13

OAO Rosneft (Russia)

20,195

14

Petronas (Malaysia)

19,334

15

OAO Lukoil (Russia)

15,931

16

Petroleos Mexicanos (Mexico)

15,218

17

ExxonMobil Corporation (Private - United States)

13,746

18

BP Corporation (United Kingdom)

13,744

19

Egyptian General Petroleum Corp. (Egypt) 

13,700

20

Chevron Corporation (United States)

11,720

21

ConocoPhillips (United States)

11,283

22

Total (France)

10,958

23

Petroleum Development Oman LLC (Oman)

10,628

24

Petroleo Brasilerio S.A. (Brazil)

9,618

25

Royal Dutch/Shell  (Netherlands)

8,408