12 ranked institutions
↓ select to compare Download data (csv)
1 (24)China National Petroleum Corp *CHNCompany
2 (31)PetroChina Co LtdCHNCompany
3 (34)China Petroleum and Chemical Corporation *CHNCompany
4 (115)China National Offshore Oil Corp *CHNCompany
5 (209)Schlumberger *MULCompany
6 (308)SINTEF GroupNORCompany
7 (351)Shell *MULCompany
8 (358)Petrobras *MULCompany
8 (358)Petrobras BrasilBRACompany
10 (400)Total, FranceFRACompany
10 (400)TOTAL *MULCompany
12 (418)GNS ScienceNZLCompany