发明名称 Anchoring device for a wellbore tool
摘要 An anchoring device for tool is disclosed that can be positioned downhole and used in casing. The anchoring device can have an architecture that supports installation by running downhole and into engagement with a recess formed in the casing. The anchoring device can support the use of weak materials such as plastic.
申请公布号 US7909109(B2) 申请公布日期 2011.03.22
申请号 US20070876566 申请日期 2007.10.22
申请人 TESCO CORPORATION 发明人 ANGMAN PER G.;SLACK MAURICE W.
分类号 E21B33/12;E21B7/00;E21B23/01 主分类号 E21B33/12
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