Methods of designing rotary drill bits including at least one substantially helically extending feature
US8011275B2 · kind B2 · utility
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78References
7Claims
0Family size
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Key dates
| Filing date | Feb 20, 2008 |
| Grant date | Sep 6, 2011 |
| Priority date | — |
| Expiry date | Feb 24, 2028 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B10/43
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method of designing a rotary drill bit includes selecting and positioning a plurality of cutting elements on a rotary drill bit. At least one substantially helically extending feature is selected and positioned to rotationally follow at least one of the plurality of cutting elements, the at least one substantially helically extending feature exhibiting a selected maximum Helical Pitch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.