Rigid centralizer
US8844624B2 · kind B2 · utility
2Cited by
23References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 6, 2010 |
| Grant date | Sep 30, 2014 |
| Priority date | — |
| Expiry date | Apr 12, 2032 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B17/1078
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Embodiments of the disclosure provide a rigid centralizer having at least one annular band with radially extending embossed flutes spaced around an outer surface of the at least one annular band and a plurality of elongated connecting posts welded to an inner surface of the at least one annular band to form a tubular receiving annulus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.