| 发明名称 |
DOWNHOLE TANDEM PUMP SYSTEM |
| 摘要 |
A pump system is disclosed for downhole use. The pump system comprises a first pump (16) and a second pump (46) in end to end relationship and the pumps are remotely and independently actuable. |
| 申请公布号 |
WO9404789(A1) |
申请公布日期 |
1994.03.03 |
| 申请号 |
WO1992GB01563 |
申请日期 |
1992.08.25 |
| 申请人 |
SCOTIA ENGINEERING LIMITED |
发明人 |
SHOTTER, PAUL |
| 分类号 |
E21B43/12;F04D13/10;F04D13/12;F04D15/02;(IPC1-7):E21B43/12 |
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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