发明名称 |
Drill Bits With a Fluid Cushion For Reduced Friction and Methods of Making and Using Same |
摘要 |
A drill bit is disclosed that in one configuration may include at least one cutter on a face section of the bit and at least one opening proximate the at least one cutter configured to discharge fluid under pressure onto the formation to create a fluid cushion between the drill bit and the formation during a drilling operation. An actuation device associated with the drill bit may be utilized to provide fluid under pressure to the at least one opening.
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申请公布号 |
US2010163307(A1) |
申请公布日期 |
2010.07.01 |
申请号 |
US20090644641 |
申请日期 |
2009.12.22 |
申请人 |
BAKER HUGHES INCORPORATED |
发明人 |
SCHWEFE THORSTEN;BEUERSHAUSEN CHAD J.;MECKFESSEL BRITNEY E.;HUYNH TRUNG |
分类号 |
E21B21/10;B21K5/04;E21B7/00;E21B10/60;E21B21/00;E21B44/00 |
主分类号 |
E21B21/10 |
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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