发明名称 |
ECCENTRIC SLEEVE FOR DIRECTIONAL DRILLING SYSTEMS |
摘要 |
A drill bit includes a bit body configured to rotate about a bit rotational axis and a sleeve coupled to the bit body. The sleeve is coupled to the bit body on an uphole portion of the bit body. The sleeve has a smaller diameter than the bit body and is aligned at the edge of the circumference of the bit body. |
申请公布号 |
WO2013066695(A3) |
申请公布日期 |
2014.01.23 |
申请号 |
WO2012US61774 |
申请日期 |
2012.10.25 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
CHEN, SHILIN |
分类号 |
E21B7/06 |
主分类号 |
E21B7/06 |
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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