油田設備トップ企業
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Schlumberger Limited
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Baker Hughes Company
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Halliburton Company
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Weatherford International PLC
*免責事項:上位企業は順不同
油田設備市場集中度
油田設備会社一覧
Schlumberger Limited
Weatherford International PLC
Baker Hughes Company
Halliburton Company
Tenaris SA
TMK Ipsco Enterprises Inc.
National Oilwell Varco Inc.
Vallourec SA
Aker Solutions ASA
Stabil Drill