发明名称 |
SINGLE-WATERWAY DRILL BITS AND SYSTEMS FOR USING SAME |
摘要 |
Implementations include drilling tools having axially-tapered waterways that can increase flushing and bit life, while also decreasing clogging. The drilling tool can have a single notch extending into the cutting face and a plurality of bores extending from the cutting face to an interior space of the drilling tool. Implementations also include drilling systems including drilling tools having a single notch and a plurality of bores. |
申请公布号 |
EP3129576(A1) |
申请公布日期 |
2017.02.15 |
申请号 |
EP20150776006 |
申请日期 |
2015.04.06 |
申请人 |
Longyear TM, Inc. |
发明人 |
PEARCE, Cody, A.;RUPP, Michael, D.;LAMBERT, Christian, M. |
分类号 |
E21B10/02;E21B10/48;E21B10/60 |
主分类号 |
E21B10/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|