发明名称 |
Annular barrier with a diaphragm |
摘要 |
The present invention relates to an annular barrier arranged in a borehole for providing zone isolation between a first zone and a second zone. Furthermore, the present invention relates to an annular barrier system as well as to a method of placing an annular barrier in an annulus and a method of using annular barriers in an annulus to seal off a first zone from a second zone. |
申请公布号 |
EP2706188(A2) |
申请公布日期 |
2014.03.12 |
申请号 |
EP20130193384 |
申请日期 |
2011.01.25 |
申请人 |
WELLTEC A/S |
发明人 |
HALLUNDBAEK, JOERGEN;HAZEL, PAUL;STAEHR, LARS |
分类号 |
E21B33/127 |
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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