发明申请
- 专利标题： Apparatus And Methods For Deploying Cementing Plugs
- 专利标题（中）： 用于部署水泥塞的装置和方法
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申请号： US13130182申请日： 2009-11-24
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公开(公告)号： US20130014948A1公开(公告)日： 2013-01-17
- 发明人: Philippe Gambier , Laurent Coquilleau , James Metson
- 申请人： Philippe Gambier , Laurent Coquilleau , James Metson
- 申请人地址： US TX Sugar Land
- 专利权人： Schlumberger Technology Corporation
- 当前专利权人： Schlumberger Technology Corporation
- 当前专利权人地址： US TX Sugar Land
- 优先权： EP08170646.7 20081204
- 国际申请： PCT/EP2009/008427 WO 20091124
- 主分类号： E21B33/16
- IPC分类号： E21B33/16
摘要：
An apparatus for installing cement plugs into a well, comprising a protective sleeve having one end adapted to be attached to the end of a drill pipe and arranged to carry a cementing plug around its outer surface such that a dart passing through the drill pipe can pass through the sleeve and engage only on formations on the plug to withdraw it from the end of the sleeve.
公开/授权文献
- US08887807B2 Apparatus and methods for deploying cementing plugs 公开/授权日：2014-11-18
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