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 代理人
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