发明名称 Downhole valve
摘要 <p>The present invention relates to a downhole valve (1) for insertion into a wall (2) of a casing (3). The downhole valve comprises a housing (4) having a first end (5) and a second end (6) and an inner face and an outer face. Furthermore, the invention relates to a downhole tool (100) for inserting a downhole valve into a wall of a casing and to a downhole system comprising the downhole tool.</p>
申请公布号 EP2458139(A1) 申请公布日期 2012.05.30
申请号 EP20100192706 申请日期 2010.11.26
申请人 WELLTEC A/S 发明人 HALLUNDBAEK, JOERGEN;HAZEL, PAUL
分类号 E21B29/08;E21B23/14;E21B34/06 主分类号 E21B29/08
代理机构 代理人
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