发明授权
- 专利标题: MULTIPLE STAGE MECHANICAL DRIFT TOOL
- 专利标题(中): 多级机械DRIFT工具
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申请号: EP10718466.5申请日: 2010-04-14
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公开(公告)号: EP2419603B1公开(公告)日: 2015-05-20
- 发明人: GILLAN, Peter
- 申请人: Services Pétroliers Schlumberger , Schlumberger Technology B.V. , Schlumberger Holdings Limited , PRAD Research and Development Limited
- 申请人地址: 42, rue Saint Dominique 75007 Paris FR
- 专利权人: Services Pétroliers Schlumberger,Schlumberger Technology B.V.,Schlumberger Holdings Limited,PRAD Research and Development Limited
- 当前专利权人: Services Pétroliers Schlumberger,Schlumberger Technology B.V.,Schlumberger Holdings Limited,PRAD Research and Development Limited
- 当前专利权人地址: 42, rue Saint Dominique 75007 Paris FR
- 代理机构: Rzaniak, Martin
- 优先权: US425411 20090417
- 国际公布: WO2010118876 20101021
- 主分类号: E21B47/08
- IPC分类号: E21B47/08 ; G01B5/12
公开/授权文献
- EP2419603A2 MULTIPLE STAGE MECHANICAL DRIFT TOOL 公开/授权日:2012-02-22
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