发明名称 |
SEALING MATERIAL FOR ANNULAR BARRIERS |
摘要 |
The present invention relates to an annular barrier for providing zone isolation between a first zone and a second zone in a borehole or a casing downhole, said annular barrier having a circumference and an outer face and comprising an annular seal comprising a sealing material having a bundle of strands wherein at least one strand comprises graphite and/or carbon. |
申请公布号 |
EP2771540(A1) |
申请公布日期 |
2014.09.03 |
申请号 |
EP20120780175 |
申请日期 |
2012.10.26 |
申请人 |
WELLTEC A/S |
发明人 |
HALLUNDBÆK, JØRGEN;HAZEL, PAUL |
分类号 |
E21B33/127;E21B33/12 |
主分类号 |
E21B33/127 |
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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