Back reaming tool
US7137460B2 · kind B2 · utility
64Cited by
3References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 17, 2004 |
| Grant date | Nov 21, 2006 |
| Priority date | — |
| Expiry date | Dec 30, 2024 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B10/28
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A back reaming tool is disclosed which includes a tool body adapted to be coupled to a drill string, and at least cutting structure mounted to a leg and having cutting elements disposed thereon. The leg is removably coupled to the tool body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.