| 发明名称 |
WELLBORE CALIPER WITH MAXIMUM DIAMETER SEEKING FEATURE |
| 摘要 |
<p>A wellbore caliper includes an actuator housing pivotally connected at one end to a well logging instrument housing and an actuator disposed in the housing and operable to extend and retract laterally extensible measuring arms.</p> |
| 申请公布号 |
CA2882885(A1) |
申请公布日期 |
2014.03.06 |
| 申请号 |
CA20132882885 |
申请日期 |
2013.08.21 |
| 申请人 |
SCHLUMBERGER CANADA LIMITED |
发明人 |
SALLWASSER, ALAN JAMES |
| 分类号 |
E21B47/08;G01B5/02 |
主分类号 |
E21B47/08 |
| 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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