发明名称 |
DOWNHOLE COMPRESSOR |
摘要 |
A downhole compressor 1 includes: a casing disposed inside a gas well; a rotor 2 built inside the casing; and an impeller 3 disposed at the rotor 2, and an electromagnetic control unit that electromagnetically controls a relative position of the rotor 2 inside the casing is provided. |
申请公布号 |
EP3088656(A1) |
申请公布日期 |
2016.11.02 |
申请号 |
EP20160159927 |
申请日期 |
2016.03.11 |
申请人 |
HITACHI, LTD. |
发明人 |
YAMAGUCHI, KAZUYUKI;MAGARA, YOHEI;YOSHIDA, TOYOMI |
分类号 |
E21B43/12;F04D25/06;F04D29/058 |
主分类号 |
E21B43/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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