发明名称 ANTI-ROTATION DEVICE FOR USE WITH WELL TOOLS
摘要 A drillable, anti-rotation device (10) for limiting the rotation of a downhole tool, such as a cement plug, when drilling out the down hole tool. The drillable, anti-rotation device comprises a drillable sleeve (12) connected within an outer tubular member connected within a pipe string. The sleeve (12) has one or more ribs (14) or other protrusions extending inwardly from the interior surface (16) of the sleeve (12) for gripping or otherwise retarding the rotation of such downhole tool.
申请公布号 WO0109480(A1) 申请公布日期 2001.02.08
申请号 WO1999US23861 申请日期 1999.10.13
申请人 FRANK'S INTERNATIONAL, INC.;LATIOLAIS, BURNEY, J., JR.;HAWKINS, SAMUEL, P., III;LUTGRING, KEITH, T. 发明人 LATIOLAIS, BURNEY, J., JR.;HAWKINS, SAMUEL, P., III;LUTGRING, KEITH, T.
分类号 E21B17/14;E21B29/00;E21B33/12;E21B33/16;(IPC1-7):E21B23/00 主分类号 E21B17/14
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