发明名称 |
Förfarande för undersökning av borrhål, borrningsarrangemang, och borrhålsundersökningssammansättning |
摘要 |
<p>A method is disclosed for surveying drill holes with a drilling arrangement and borehole survey assembly. The method can include providing a drill tool having at least one drill rod and a drill bit assembly, and providing a borehole survey tool having a sensor) for measuring a borehole. In the method a drill tool having a central flushing channel for conducting flushing fluid to the drill bit assembly is used, and the borehole survey tool is arranged in the central flushing channel so that flushing fluid can flow in the central flushing channel past the borehole survey tool.</p> |
申请公布号 |
FI20125921(A) |
申请公布日期 |
2013.12.31 |
申请号 |
FI20120005921 |
申请日期 |
2012.09.06 |
申请人 |
ROBIT ROCKTOOLS LTD. |
发明人 |
HEINONEN, MIKKO;SJOEHOLM, HARRI;RAUTIAINEN, JUSSI;MATTILA, MIKKO |
分类号 |
E21B47/013;E21B10/38;E21B10/60;E21B47/017;E21B47/12;E21B47/26;G01C19/00;G01P15/00 |
主分类号 |
E21B47/013 |
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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