发明名称 |
AN INTEGRATED CORING SYSTEM |
摘要 |
A system for coring an underground formation surrounding a borehole, comprising: a tool body that can be positioned in the borehole near the formation to be cored, the tool body including a motor; a rotary drive head connected to the motor; a rotary tool connected to the rotary drive head and one end and carrying a drill bit at the other end; a drive mechanism including an operable anchor for anchoring in the borehole and an axial drive for advancing tool body and the rotary tool; and a guide for urging the rotary tool laterally from the borehole into the surrounding formation; wherein the rotary tool is a tubular coring tool conveying an annular drill bit.
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申请公布号 |
CA2741682(A1) |
申请公布日期 |
2010.05.06 |
申请号 |
CA20082741682 |
申请日期 |
2008.10.31 |
申请人 |
SCHLUMBERGER CANADA LIMITED |
发明人 |
ORBAN, JACQUES;VERCAEMER, CLAUDE |
分类号 |
E21B49/06;E21B25/00 |
主分类号 |
E21B49/06 |
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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