发明名称 LINER HANGER
摘要 Liner hanger to be placed in an existing casing with a flexible expansion seal (180) and a metallic gripping element (190) disposed on inclined surfaces such that they are moved radially when a leadscrew nut (130) is moved axially relative to an inner, hollow shaft (150). The lead screw nut is moved axially when a lead screw is rotated therein, and the lead screw is rotatably disposed around the inner, hollow shaft (150).
申请公布号 EP2414626(A1) 申请公布日期 2012.02.08
申请号 EP20100759087 申请日期 2010.03.31
申请人 I-TEC AS 发明人 BRAEKKE, KRISTOFFER
分类号 E21B43/10;E21B23/01;E21B33/04 主分类号 E21B43/10
代理机构 代理人
主权项
地址