Lubricant coating for expandable tubular members
US6695012B1 · kind B1 · utility
100Cited by
31References
174Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 19, 2002 |
| Grant date | Feb 24, 2004 |
| Priority date | — |
| Expiry date | Sep 19, 2022 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/103
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A lubricant coating (240) for expandable tubulars (215). The interior surfaces of the expandable tubulars are coated with the lubricant coating (240). The expandable tubulars (215) are then placed within a preexisting structure (205). The expandable tubulars are then radially expanded into contact with the preexisting structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.