发明名称 |
MULTI-GAP INTERFEROMETRIC SENSORS |
摘要 |
An apparatus for estimating a property includes a hollow core tube and an input light guide disposed at least partially within hollow core tube. The apparatus also includes a second gap disposed within the hollow core tube and separated from the input light guide by an air gap width. The second gap is formed of a first solid material and has a second gap width. The apparatus also includes a third gap disposed at least partially within the hollow core tube and being further from the input light guide than the second gap. The third gap is formed of a second solid material and has a third gap width. |
申请公布号 |
CA2798018(C) |
申请公布日期 |
2016.05.31 |
申请号 |
CA20112798018 |
申请日期 |
2011.04.06 |
申请人 |
BAKER HUGHES INCORPORATED |
发明人 |
CHILDERS, BROOKS A.;HARMAN, ROBERT M.;HOMA, DANIEL S.;BECKNER, LANCE A. |
分类号 |
E21B47/06;E21B47/12;G01K11/32;G01V8/16 |
主分类号 |
E21B47/06 |
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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