| 发明名称 |
Annular pack |
| 摘要 |
<p>An annular pack for a cylindrical member for use in a wellbore includes a housing adapted to be mounted about an exterior circumference of the cylindrical member. The housing has mutually engagable annular segments. At least one of the annular segments defines a chamber for housing an electrical device.</p> |
| 申请公布号 |
GB9928434(D0) |
申请公布日期 |
2000.01.26 |
| 申请号 |
GB19990028434 |
申请日期 |
1999.12.01 |
| 申请人 |
SCHLUMBERGER HOLDINGS LIMITED;TRACER TECHNOLOGIES, INC |
发明人 |
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| 分类号 |
E21B17/10;E21B41/00;E21B47/01;H01M2/06;H01M2/10;H01M2/20;H01M4/78;H01M6/14;H01M6/42;H01M6/50;H01M10/04;H01M10/42 |
主分类号 |
E21B17/10 |
| 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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