发明授权
- 专利标题： Downhole tools with electro-mechanical and electro-hydraulic drives
- 专利标题（中）： 井下工具具有机电和电动液压驱动
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申请号： US12975557申请日： 2010-12-22
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公开(公告)号： US09151140B2公开(公告)日： 2015-10-06
- 发明人: Olof Hummes , Michael Koppe , Volker Krueger , Sven Krueger , Matthias Meister
- 申请人： Olof Hummes , Michael Koppe , Volker Krueger , Sven Krueger , Matthias Meister
- 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： E21B7/00
- IPC分类号： E21B7/00 ; E21B4/00 ; E21B41/00 ; E21B23/00
摘要：
An apparatus to be conveyed into a wellbore. The apparatus includes a housing configured to be conveyed downhole and a drive member located in the housing. The apparatus further includes a drive unit configured to actuate movement of the drive member by selectively coupling to the drive member, wherein the coupling of the device to the drive member is controlled by applying an energy to a selected material in the device.
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