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 代理人
主权项
地址