发明名称 Downhole debris retriever
摘要 A method and apparatus for removing debris from a wellbore using a cleaning tool. The tool may comprise an inner mandrel and a cup member coupled to the inner mandrel. The cup member is moveable between a collapsed position where fluid may flow across the exterior of the cup member, and an extended position where fluid is diverted into a flow path disposed between the inner mandrel and the cup member. The fluid is diverted through a filter member that is coupled to the inner mandrel below the cup member.
申请公布号 NO20160440(A1) 申请公布日期 2016.03.15
申请号 NO20160000440 申请日期 2016.03.15
申请人 WEATHERFORD TECHNOLOGY HOLDINGS, LLC 发明人 WILSON TIMOTHY L.;ODELL II ALBERT C.;HARRALL SIMON JOHN
分类号 E21B21/00;E21B21/10;E21B27/00;E21B34/10;E21B37/00;E21B37/08;E21B43/08 主分类号 E21B21/00
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