发明名称 |
Centrifugal oilfield pumping systems, and methods of making and using same |
摘要 |
Centrifugal pumps and methods of making and using them are disclosed. One inventive pump includes a plurality of flow passages, at least one pump component having one or more non-axisymmetric flow passage contours defined at least in part by non-equal blade or vane heights. |
申请公布号 |
GB2432400(B) |
申请公布日期 |
2008.10.01 |
申请号 |
GB20060021897 |
申请日期 |
2006.11.03 |
申请人 |
SCHLUMBERGER HOLDINGS LIMITED |
发明人 |
DAVID M ESLINGER |
分类号 |
F04D29/44;F04D29/22 |
主分类号 |
F04D29/44 |
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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