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
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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