发明名称 Downhole tool with slip elements having a friction surface
摘要 Slip segments with a friction medium are used to anchor a downhole tool in a well. Each slip segment has a slip segment body made of a drillable material. A friction medium is applied to the outer surface of the slip segment body so that the outer surface of the slip segment has an increased holding capability in the well.
申请公布号 US2009038790(A1) 申请公布日期 2009.02.12
申请号 US20070891255 申请日期 2007.08.09
申请人 HALLIBURTON ENERGY SERVICES, INC. 发明人 BARLOW JAMES L.
分类号 E21B19/10 主分类号 E21B19/10
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