发明名称 |
Turbodrill Using a Balance Drum |
摘要 |
A turbodrill using a balance drum. The turbodrill may include a housing having an upper end that is configured to be coupled to a drill string. The turbodrill may also include a rotatable shaft having a lower end configured to be coupled to a drill bit. The turbodrill may further include a balance drum assembly coupled to the shaft within the housing. In addition, the turbodrill may include a compliant mounting disposed between the balance drum assembly and the housing, where the compliant mounting is configured to allow displacement of the balance drum assembly within the housing. |
申请公布号 |
US2014116785(A1) |
申请公布日期 |
2014.05.01 |
申请号 |
US201313843684 |
申请日期 |
2013.03.15 |
申请人 |
TOWNER DANIEL;ROBERTS TRAVIS;UNDERWOOD LANCE D. |
发明人 |
TOWNER DANIEL;ROBERTS TRAVIS;UNDERWOOD LANCE D. |
分类号 |
E21B4/02 |
主分类号 |
E21B4/02 |
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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