Wellbore reaming tool having shear cutters and gouging cutters
US10570664B2 · kind B2 · utility
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2References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 5, 2018 |
| Grant date | Feb 25, 2020 |
| Priority date | — |
| Expiry date | Feb 15, 2038 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B10/567
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A reaming tool includes a reaming tool body configured to be coupled within a drill string or a string of drilling tools. A plurality of reaming blocks is attached to the reaming tool body at circumferentially spaced apart locations. Each reaming block comprises at least one row of shear cutters and gouging cutters, the gouging cutters in the at least one row disposed rotationally ahead of the shear cutters in the at least one row.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.