34 ranked institutions
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1 (4)China National Petroleum Corp *CHNCompany
2 (6)PetroChina Co LtdCHNCompany
3 (11)China Petroleum and Chemical Corporation *CHNCompany
4 (16)Science System and Applications, IncUSACompany
5 (50)State Grid Corporation of China *CHNCompany
6 (81)China National Offshore Oil Corp *CHNCompany
7 (126)Schlumberger *MULCompany
8 (151)Chevron CorpUSACompany
9 (166)TotalEnergies *MULCompany
10 (167)Aramco *MULCompany
11 (211)TotalEnergies, FranceFRACompany
12 (236)Saudi Arabian Oil Co, Saudi ArabiaSAUCompany
13 (256)GNS ScienceNZLCompany
14 (306)Petrobras *MULCompany
15 (313)Equinor ASA *MULCompany
16 (316)Saudi Arabian Oil Co, USAUSACompany
17 (331)Shell *MULCompany
18 (334)Equinor ASA, NorwayNORCompany
19 (373)ExxonMobil *MULCompany
20 (392)Shell, United StatesUSACompany
21 (418)Petrobras, BrazilBRACompany
22 (528)Exploration and Petroleum Engineering Advanced Research Center, SAUSAUCompany
23 (562)Repsol *MULCompany
24 (706)Daqing Oilfield Co Ltd, CNCHNCompany
25 (788)WSP Global *MULCompany
26 (821)Shell, NetherlandsNLDCompany
27 (845)Lockheed Martin Corp *USACompany
28 (900)Vale SA *MULCompany
29 (937)PowerChina Huadong Engineering Corp Ltd, ChinaCHNCompany
30 (1042)China Coal Technology and Engineering GroupCHNCompany
31 (1057)Vale SA, BrazilBRACompany
32 (1064)Gazprom Group, Russian FederationRUSCompany
33 (1101)Gazprom Group *MULCompany
34 (1132)BGRIMM Technology GroupCHNCompany