发明名称 |
DEPTH MEASUREMENT BY DISTRIBUTED SENSORS |
摘要 |
A downhole device, position verifiable string (14) includes a downhole device (18); a string in operable communication with downhole device; and a plurality of sensor units each sensing at least one of acceleration and strain in the string and spaced from each other along the string from downhole device to a remote location of the drill string and method.
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申请公布号 |
WO2008130888(A1) |
申请公布日期 |
2008.10.30 |
申请号 |
WO2008US60223 |
申请日期 |
2008.04.14 |
申请人 |
BAKER HUGHES INCORPORATED;MATHISZIK, HOLGER |
发明人 |
MATHISZIK, HOLGER |
分类号 |
E21B47/00;E21B47/024;E21B47/09 |
主分类号 |
E21B47/00 |
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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