发明名称 DRILLABLE BRIDGE PLUG
摘要 A downhole tool for isolating zones in a well, the tool including a mandrel, a sealing element disposed around the mandrel, an upper cone disposed around the mandrel proximate an upper end of the sealing element, an upper slip assembly disposed around the mandrel adjacent a sloped surface of the upper cone, a lower cone disposed around the mandrel proximate a lower end of the sealing element, a lower slip assembly disposed around the mandrel adjacent a sloped surface of the lower cone, two element end rings, a first element end ring disposed adjacent the upper end of the sealing element and a second element end ring disposed adjacent the lower end of the sealing element, and two element barrier assemblies, each assembly disposed adjacent one of the two element end rings is disclosed.
申请公布号 US2008190600(A1) 申请公布日期 2008.08.14
申请号 US20070967881 申请日期 2007.12.31
申请人 SMITH INTERNATIONAL, INC. 发明人 SHKURTI PIRO;TRAN LAP T.;ROBERTS WILLIAM M.;MELENYZER GEORGE J.
分类号 E21B33/129 主分类号 E21B33/129
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