发明名称 PACKER WITH INTEGRAL CLEANING DEVICE
摘要 The present invention generally relates to methods and apparatus for sealing a tubular. In one embodiment, the apparatus includes a packer having a body, a sealing element, and a cleaning device operatively connected to the body. In one aspect, the apparatus may clean a surface of the tubular before the sealing element expanded into contact therewith.
申请公布号 CA2460219(C) 申请公布日期 2008.05.06
申请号 CA20042460219 申请日期 2004.03.05
申请人 WEATHERFORD/LAMB, INC. 发明人 HIRTH, DAVID E.
分类号 E21B33/12;E21B33/128;E21B37/00;E21B37/02 主分类号 E21B33/12
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