| 发明名称 |
HYBRID BIT WITH ROLLER CONES AND DISCS |
| 摘要 |
A hybrid drill bit includes a bit body having a central bit body axis, a roller cone at an end of the bit body and rotatably coupled to the bit body about a roller cone axis, and a disc at the end of the bit body and rotatably coupled to the bit body about a disc axis. The roller cone axis extends toward the central bit body axis. The disc axis is transverse to a radial of the central bit body axis through a center of the disc, and the disc includes a plurality of disc cutters. |
| 申请公布号 |
US2017081919(A1) |
申请公布日期 |
2017.03.23 |
| 申请号 |
US201415309388 |
申请日期 |
2014.06.09 |
| 申请人 |
Halliburton Energy Services, Inc. |
发明人 |
Williams Mark Evans;Chen Shilin |
| 分类号 |
E21B10/12 |
主分类号 |
E21B10/12 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A hybrid drill bit, comprising:
a bit body defining a central bit body axis; a roller cone at an end of the bit body and rotatably coupled to the bit body about a roller cone axis, the roller cone axis extending toward the central bit body axis; and a disc at the end of the bit body and rotatably coupled to the bit body about a disc axis;
where the disc axis is transverse to a radial of the central bit body axis through a center of the disc; andwhere the disc comprises a plurality of disc cutters. |
| 地址 |
Houston TX US |
