发明名称 |
Method and device for in situ detection of a mineral deposit fluid within a borehole |
摘要 |
The amplitude variation of an acoustic wave propagated within drilling mud mixed with a mineral-deposit fluid is measured and compared with the amplitude of a reference wave obtained from the drilling mud alone. The method and the device are primarily applied to the detection of an inflow of oil or gas during a well-drilling operation.
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申请公布号 |
US4286461(A) |
申请公布日期 |
1981.09.01 |
申请号 |
US19790090358 |
申请日期 |
1979.11.01 |
申请人 |
SOCIETE NATIONALE ELF AQUITAINE (PRODUCTION) |
发明人 |
BRES, PHILIPPE;BERGE, CHRISTIAN;SASSUS-BOURDA, GERARD |
分类号 |
E21B47/10;G01N29/032;(IPC1-7):E21B47/10 |
主分类号 |
E21B47/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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