发明名称 ROLLER STANDOFF ASSEMBLIES
摘要 Roller standoff assemblies and devices facilitate disposal of an interior tubular member within an exterior tubular member. Roller standoff devices include a roller cage and at least one roller supported by the roller cage to contact and roll upon the exterior tubular member.
申请公布号 WO2012138813(A3) 申请公布日期 2013.01.10
申请号 WO2012US32243 申请日期 2012.04.05
申请人 BAKER HUGHES INCORPORATED;SHAIKH, FARHAT A.;HUNZIKER, JAMES C.;JUNGHANS, PAUL G.;PARSLEY, RON 发明人 SHAIKH, FARHAT A.;HUNZIKER, JAMES C.;JUNGHANS, PAUL G.;PARSLEY, RON
分类号 E21B17/10;E21B17/02 主分类号 E21B17/10
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