发明名称 VIBRATING DOWNHOLE TOOL
摘要 A vibrating downhole tool comprising a housing, an inner mandrel disposed within the housing and configured to receive a drilling fluid, a mass coupled to the inner mandrel, and a plurality of turbine blades configured to receive the drilling fluid and to rotate the inner mandrel and the mass, thereby causing the vibrating downhole tool to vibrate.
申请公布号 US2009266612(A1) 申请公布日期 2009.10.29
申请号 US20080111824 申请日期 2008.04.29
申请人 SMITH INTERNATIONAL, INC. 发明人 ALLAHAR IAN;MERCADO JOSE;GRIGOR CHARLES
分类号 E21B7/24 主分类号 E21B7/24
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