Formed tubulars
US7350584B2 · kind B2 · utility
19Cited by
154References
97Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 7, 2003 |
| Grant date | Apr 1, 2008 |
| Priority date | — |
| Expiry date | Jan 31, 2024 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/105
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method of lining a drilled bore comprises running a tubular into a drilled bore and then corrugating the tubular in the bore. The tubular may also be expanded in the bore. In other aspects of the invention the tubular is corrugated prior to running into the bore and may be rotated as it is run into the bore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.