| 发明名称 |
REDUCED LENGTH AND LOW COBALT CONTENT CUTTERS AND DRILL BIT MADE THEREWITH |
| 摘要 |
A cutter for a fixed cutter drill bit includes a substrate and a cutting material surface affixed to one end of the substrate. The substrate comprises tungsten carbide having at least six percent by weight and at most ten percent by weight of cobalt. An overall length of the cutter is at most 10 millimeters. In one embodiment an overall length of the cutter is at most 8 millimeters. |
| 申请公布号 |
US2016017665(A1) |
申请公布日期 |
2016.01.21 |
| 申请号 |
US201414331761 |
申请日期 |
2014.07.15 |
| 申请人 |
Shear Bits, Ltd. |
发明人 |
Beaton Timothy P. |
| 分类号 |
E21B10/55;E21B10/573 |
主分类号 |
E21B10/55 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A cutter for a fixed cutter drill bit comprising:
a substrate; and a cutting material surface affixed to one end of the substrate, wherein the substrate comprises tungsten carbide having at least six percent by weight and at most ten percent by weight of cobalt, and wherein an overall length of the cutter is at most 10 millimeters. |
| 地址 |
Calgary CA |
