发明名称 EXPANDABLE OPEN-HOLE ANCHOR
摘要 The present invention generally relates to an apparatus and method for expanding an anchoring device in a borehole. In one aspect, an anchoring device is provided. The anchoring device includes an expandable tubular. The anchoring device further includes a plurality of bands disposed on an outer surface of the expandable tubular. Each band is attached to the tubular at a first connection point and a second connection point, wherein each band is configured to bow radially outward as the expandable tubular shortens in length in response to the expansion of the tubular. In a further aspect, a method of attaching an anchoring device in a borehole is provided.
申请公布号 CA2834026(A1) 申请公布日期 2012.11.01
申请号 CA20122834026 申请日期 2012.04.26
申请人 WEATHERFORD/LAMB, INC. 发明人 GANDIKOTA, VARADARAJU;KENDZIORA, LARRY A.;GIROUX, RICHARD L.
分类号 E21B23/01;E21B43/10 主分类号 E21B23/01
代理机构 代理人
主权项
地址