Wellbore conditioning system
US9163460B2 · kind B2 · utility
30Cited by
14References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 3, 2012 |
| Grant date | Oct 20, 2015 |
| Priority date | — |
| Expiry date | Dec 19, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B44/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A wellbore conditioning system is disclosed. The system comprises at least one shaft and at least two eccentric unilateral reamers, wherein the unilateral reamers are positioned at a predetermined distance from each other and the unilateral reamers are positioned at a predetermined rotational angle from each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.