发明授权
- 专利标题： Launching tool with interlock system for downhole cement plug and method
- 专利标题（中）： 井下水泥塞联锁系统启动工具及方法
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申请号： US12505952申请日： 2009-07-20
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公开(公告)号： US08360141B2公开(公告)日： 2013-01-29
- 发明人: Sidney K. Smith
- 申请人： Sidney K. Smith
- 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： E21B33/08
- IPC分类号： E21B33/08
摘要：
A launching tool with interlock system for a downhole cement plug includes a mandrel having one or more windows therein; an interlock system disposed at the mandrel, the interlock system having a release member; one or more dogs extending from the release member through the one or more windows; a collet disposed at the mandrel and restrained by a restrainer, the restrainer releasable only after release of the interlock system and method.
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