オフショア請負掘削のトップ企業
Transocean Ltd
Seadrill Ltd
Diamond Offshore Drilling Inc.
China Oilfield Services Limited
Saipem SpA
*免責事項：上位企業は順不同
オフショア請負掘削 - 競争の集中度
オフショア請負掘削企業一覧
Transocean LTD
Seadrill Ltd
ENSCO PLC
Noble Drilling PLC
Diamond Offshore Drilling Inc
China Oilfield Services Limited
Rowan Companies PLC
Maersk Group
Ocean Rig UDW Inc
Saipem SpA
