发明名称 |
Method and apparatus for production in oil wells |
摘要 |
The present invention relates to an apparatus and method for production from oil wells. More particularly, the present invention relates to an apparatus that utilizes at least one injection pumping device (9), positioned in the interior of a petroleum well (10) to provide hydraulic fluid to a hydraulic pumping device (3) positioned in the bottom of the petroleum well (10), in order to cause a flow of fluids originating from a reservoir (14).
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申请公布号 |
US7594543(B2) |
申请公布日期 |
2009.09.29 |
申请号 |
US20040918282 |
申请日期 |
2004.08.14 |
申请人 |
GONCALVES MARCELO DE ALBUQUERQUS LIMA;DOS SANTOS ODAIR GERALDO;DE ALMEIDA ALCINO RESENDE |
发明人 |
GONCALVES MARCELO DE ALBUQUERQUE LIMA;DOS SANTOS ODAIR GERALDO;DE ALMEIDA ALCINO RESENDE |
分类号 |
E21B33/035;E21B43/00 |
主分类号 |
E21B33/035 |
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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