发明名称 |
Drill Bit With A Hybrid Cutter Profile |
摘要 |
A drill bit is disclosed that in one aspect may include a bit body having a plurality of blade profiles thereon, a first plurality of cutting elements disposed on each blade such that at least one cutting element on a first section of each blade profile is offset relative to at least one cutting element on a second section of each blade profile so as to increase lateral stability of the drill relative to the drill bit without an offset.
|
申请公布号 |
US2010175930(A1) |
申请公布日期 |
2010.07.15 |
申请号 |
US20090422418 |
申请日期 |
2009.04.13 |
申请人 |
BAKER HUGHES INCORPORATED |
发明人 |
SCHWEFE THORSTEN |
分类号 |
E21B10/43;B21K5/04;E21B10/00 |
主分类号 |
E21B10/43 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|