发明名称 |
HIGH RESOLUTION CONTINUOUS DEPTH POSITIONING IN A WELL BORE USING PERSISTENT CASING PROPERTIES |
摘要 |
Continuous measurement indicia between casing collars of a pipe segment of a well bore casing is obtained from signals obtained by sensing innate, persistent and unaltered characteristics, e.g. magnetic permeability, of the pipe segment along its length, and using the signals to perform a downhole function, e.g. a gravity measurement, at an indicated location. |
申请公布号 |
WO2015153771(A1) |
申请公布日期 |
2015.10.08 |
申请号 |
WO2015US23894 |
申请日期 |
2015.04.01 |
申请人 |
MICRO-G LACOSTE, INC. |
发明人 |
MANN, ETHAN, H.;BLACK, ANDREW, JAMES;SCHIEL, AARON, J. |
分类号 |
E21B47/16;E21B47/12 |
主分类号 |
E21B47/16 |
代理机构 |
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代理人 |
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地址 |
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