国家石油公司和价值创造

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1. Ecopetrol (Colombia) ........................................................................................................................ 4
2. Kazmunaigaz Exploration and Production (Kazakhstan) ......................................................... 14
3. Oil and Natural Gas Corporation Ltd (India) ............................................................................. 22
4. Petróleos de Venezuela, S.A. (Venezuela) ................................................................................... 31
5. Petróleos Mexicanos (Mexico) ....................................................................................................... 42
6. Petróleos Brasileiro S.A. (Brazil) ................................................................................................... 54
7. Petro China Company Limited (China) ....................................................................................... 66
8. Petroliam Nasional Berhad (Malaysia) ........................................................................................ 76
9. The Petroleum Oil and Gas Corporation of South Africa (South Africa) ................................ 86
10. PTT Public Company Limited (Thailand) ................................................................................... 96
11. Sonatrach S.A. (Algeria) ............................................................................................................... 106
12. StatoilHydro ASA. (Norway) ...................................................................................................... 118