发明名称 DOWNHOLE ACTUATOR
摘要 <p>An actuator for connecting to and displacing of a component in a well tubular is disclosed. The actuator includes a tool shaft provided with a radial direction spring-loaded gripping device which are complementary fitting in the component.</p>
申请公布号 EP2352899(A1) 申请公布日期 2011.08.10
申请号 EP20090829369 申请日期 2009.11.18
申请人 AKER WELL SERVICE AS 发明人 OSALAND, ESPEN;HAUGLAND, LASSE
分类号 E21B23/00;E21B31/20 主分类号 E21B23/00
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