发明名称 |
CHIP DEFLECTOR ON A BLADE OF A DOWNHOLE REAMER AND METHODS THEREFOR |
摘要 |
<p>An expandable reamer apparatus for drilling a subterranean formation includes a tubular body, one or more blades, each blade positionally coupled to a sloped track of the tubular body having a hardfacing material on a portion thereof, a push sleeve and a drilling fluid flow path extending through an inner bore of the tubular body for conducting drilling fluid therethrough.</p> |
申请公布号 |
EP2408993(A2) |
申请公布日期 |
2012.01.25 |
申请号 |
EP20100749179 |
申请日期 |
2010.03.02 |
申请人 |
BAKER HUGHES INCORPORATED |
发明人 |
RADFORD, STEVEN;KIDDER, KEVIN, G. |
分类号 |
E21B10/32;E21B10/56 |
主分类号 |
E21B10/32 |
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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