发明授权
- 专利标题: Downhole acoustic transducer
- 专利标题(中): 声换能器的钻孔。
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申请号: EP91402921.0申请日: 1991-10-31
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公开(公告)号: EP0485261B1公开(公告)日: 1995-09-13
- 发明人: Ounadjela, Abderrhamane
- 申请人: SCHLUMBERGER LIMITED , SCHLUMBERGER TECHNOLOGY B.V. , SCHLUMBERGER HOLDINGS LIMITED
- 申请人地址: 277 Park Avenue New York, N.Y. 10172 US
- 专利权人: SCHLUMBERGER LIMITED,SCHLUMBERGER TECHNOLOGY B.V.,SCHLUMBERGER HOLDINGS LIMITED
- 当前专利权人: SCHLUMBERGER LIMITED,SCHLUMBERGER TECHNOLOGY B.V.,SCHLUMBERGER HOLDINGS LIMITED
- 当前专利权人地址: 277 Park Avenue New York, N.Y. 10172 US
- 代理机构: Hagel, Francis
- 优先权: FR9013695 19901106
- 主分类号: G01V1/145
- IPC分类号: G01V1/145 ; G10K9/12
公开/授权文献
- EP0485261A1 Downhole acoustic transducer 公开/授权日:1992-05-13
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