| 发明名称 |
Centralizer including measurement means |
| 摘要 |
A centralizer (1) for position a casing (3) in a conduit (4) passing through underground formations includes measurement means (7) such as an electrode for deriving at least one representative parameter of the formations.
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| 申请公布号 |
US2004178797(A1) |
申请公布日期 |
2004.09.16 |
| 申请号 |
US20030250517 |
申请日期 |
2003.10.31 |
| 申请人 |
RIOUFOL EMMANUEL;GAMBIER PHILIPPE;VEIGNAT ERIC;RAW IAN;BRYANT IAN DAVID |
发明人 |
RIOUFOL EMMANUEL;GAMBIER PHILIPPE;VEIGNAT ERIC;RAW IAN;BRYANT IAN DAVID |
| 分类号 |
E21B17/10;E21B47/01;E21B47/10;(IPC1-7):G01V3/18;E21B47/00 |
主分类号 |
E21B17/10 |
| 代理机构 |
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