Helical winding of insulated conductor heaters for installation
US8967259B2 · kind B2 · utility
0Cited by
358References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 8, 2011 |
| Grant date | Mar 3, 2015 |
| Priority date | — |
| Expiry date | Mar 10, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49083
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method for installing two or more heaters in a subsurface formation includes providing a spool having a substantially helical configuration of two or more heaters that have been spooled on the spool. The helical configuration of heaters is unspooled from the spool and the helical configuration of heaters is installed into an opening in a subsurface formation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.