发明授权
- 专利标题: Apparatus for protecting a magnetic resonance antenna
- 专利标题(中): 用于保护磁共振天线的装置
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申请号: US44728申请日: 1998-03-19
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公开(公告)号: US6008646A公开(公告)日: 1999-12-28
- 发明人: Douglas D. Griffin , James Stephen Hall , Abdurrahman Sezginer
- 申请人: Douglas D. Griffin , James Stephen Hall , Abdurrahman Sezginer
- 申请人地址: CT Ridgefield
- 专利权人: Schlumberger Technology Corporation
- 当前专利权人: Schlumberger Technology Corporation
- 当前专利权人地址: CT Ridgefield
- 主分类号: G01V3/32
- IPC分类号: G01V3/32 ; G01V3/00
摘要:
The instruments of a pulsed nuclear magnetic resonance device are included in a drill collar for evaluating earth formations. The resulting tool makes NMR measurements through an electrically non-conductive shield while the formation is being drilled.
公开/授权文献
- USD380438S Marine muffler 公开/授权日:1997-07-01
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