독일 업스트림 연구

주요 선수 : DOF Subsea AS, Oceaneering International Inc., Fugro NV, RTSYS, Saipem SpA

주요 선수 : TechnipFMC PLC, Baker Hughes Company, Schlumberger Limited, Aker Solutions ASA, Worldwide Oilfield Machine

주요 선수 : Aker Solutions ASA, Halliburton Company, Oceaneering International Inc., Schlumberger Limited, Baker Hughes Co

주요 선수 : Baker Hughes Company, Haliburton Company, Schlumberger Limited, Transocean Limited, Saipem SpA

주요 선수 : DeepOcean AS, DOF Subsea AS, Oceaneering International Inc., TechnipFMC PLC, Helix Energy Solutions Group Inc.

주요 선수 : DOF Subsea AS, Oceaneering International, Inc., Fugro NV, Saipem SpA, Subsea7 SA

주요 선수 : Schlumberger Limited, Halliburton Company, China Oilfield Services Limited, Weatherford International Plc., Baker Hughes Company

주요 선수 : Halliburton Company, CGG SA, PGS ASA, TGS ASA, Schlumberger NV

주요 선수 : Schlumberger Limited, Saipem SpA, Nabors Industries Ltd., Weatherford International PLC, Helmerich & Payne, Inc.

주요 선수 : Transocean LTD, Schlumberger Limited, Baker Hughes Company, Weatherford International PLC, Halliburton Company

주요 선수 : Schlumberger Limited, Halliburton Company, Weatherford International Plc, Baker Hughes Company, GN Solids Control

주요 선수 : Schlumberger Limited, Baker Hughes Company, Halliburton Company, Weatherford International PLC, National Oilwell Varco Inc.

주요 선수 : Schlumberger Limited, Halliburton Company, China Oilfield Services Limited, Weatherford International Plc., Baker Hughes Company

주요 선수 : Weatherford International Plc, Schlumberger Limited, Halliburton Company, Baker Hughes Company, China Oilfield Services Limited