| 发明名称 |
HYBRID BIT WITH BLADES AND DISCS |
| 摘要 |
A hybrid drill bit includes a bit body having a central bit body axis at a center of the bit body, a blade on the bit body extending from an end of the bit body, and a roller disc rotatably coupled to the bit body about the end of the bit body to rotate on a roller disc axis. The roller disc axis extends toward the central bit body axis, and the blade includes a plurality of fixed cutting elements. |
| 申请公布号 |
US2017058609(A1) |
申请公布日期 |
2017.03.02 |
| 申请号 |
US201415305612 |
申请日期 |
2014.05.22 |
| 申请人 |
Halliburton Energy Services, Inc. |
发明人 |
Chen Shilin;Williams Mark Evans |
| 分类号 |
E21B10/14;E21B10/42;E21B10/12 |
主分类号 |
E21B10/14 |
| 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 blade on the bit body extending from an end of the bit body, the blade comprising a plurality of fixed cutting elements; and a roller disc rotatably coupled to the bit body about the end of the bit body to rotate on a roller disc axis, the roller disc axis extending toward the central bit body axis. |
| 地址 |
Houston TX US |
