Drill bit with prefabricated cuttings splitter and method of making
US8146688B2 · kind B2 · utility
0Cited by
21References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 22, 2009 |
| Grant date | Apr 3, 2012 |
| Priority date | — |
| Expiry date | Oct 15, 2029 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B10/43
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A downhole drill bit includes, a body, a plurality of cutters attached to the body, and at least one prefabricated splitter having a proximal portion and at least one distal portion. The proximal portion is encased within the body and the at least one distal portion extends outwardly of the body. Further the at least one distal portion is in operable communication with at least one of the plurality of cutters such that the at least one distal portion bifurcates cuttings cut by the at least one cutter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.