发明名称 DEFLECTING TOOL
摘要 FIELD: drilling of directed boreholes. SUBSTANCE: proposed deflecting tool includes body and spring-loaded shaft placed in body for axial displacement and having conical section against which actuating element mounted for movement inside body and for stopping by borehole wall rests. EFFECT: possibility of combination of drilling process with process of correction of direction of borehole. 3 cl, 1 dwg
申请公布号 RU2135734(C1) 申请公布日期 1999.08.27
申请号 RU19980100489 申请日期 1998.01.06
申请人 NOVOCHERKASSKIJ GOSUDARSTVENNYJ TEKHNICHESKIJ UNIV;NOVOCHERKASSKIJ G TEKHN UNIV 发明人 VODJANIK G.M.;PAVLOVA A.A.
分类号 E21B7/08;(IPC1-7):E21B7/08 主分类号 E21B7/08
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