发明授权
- 专利标题： Apparatus and method for discharging multiple fluids downhole
- 专利标题（中）： 井下排放多种流体的装置和方法
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申请号： US12428842申请日： 2009-04-23
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公开(公告)号： US08122961B2公开(公告)日： 2012-02-28
- 发明人: Freeman L. Hill , Randall L. Evans
- 申请人： Freeman L. Hill , Randall L. Evans
- 申请人地址： US TX Houston
- 专利权人： Baker Hughes Incorporated
- 当前专利权人： Baker Hughes Incorporated
- 当前专利权人地址： US TX Houston
- 代理机构： Cantor Colburn LLP
- 主分类号： E21B43/16
- IPC分类号： E21B43/16
摘要：
An apparatus and a method are provided for discharging a plurality of fluids downhole. In one aspect, the apparatus may include a first chamber and a second chamber separated by movable barrier, wherein draining the fluid from the first chamber causes the barrier to move and allow an actuating member to drain the second fluid from the second chamber.
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