发明名称 |
Detecting a Reamer Position through a Magnet Field Sensor |
摘要 |
In one aspect of the present invention, a tool string component comprises at least one end that attaches to an adjacent component in a through bore. The invention also comprises a laterally extending member disposed along a length of the tool string component. A magnetic mechanism is configured to sense an extension depth of the laterally extending member.
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申请公布号 |
US2012273187(A1) |
申请公布日期 |
2012.11.01 |
申请号 |
US201113094927 |
申请日期 |
2011.04.27 |
申请人 |
HALL DAVID R.;DAHLGREN SCOTT;MARSHALL JONATHAN |
发明人 |
HALL DAVID R.;DAHLGREN SCOTT;MARSHALL JONATHAN |
分类号 |
E21B31/06 |
主分类号 |
E21B31/06 |
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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