Reaming apparatus and method with ability to drill out cement and float equipment in casing
US6397958B1 · kind B1 · utility
31Cited by
17References
79Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 15, 2000 |
| Grant date | Jun 4, 2002 |
| Priority date | — |
| Expiry date | Aug 15, 2020 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B10/567
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method and apparatus for reaming or enlarging a borehole with the ability to drill cement, cement float equipment, and debris out of a casing without substantial damage to the casing interior or the reaming apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.