Expandable downhole tubing
US6454013B1 · kind B1 · utility
152Cited by
100References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 8, 2000 |
| Grant date | Sep 24, 2002 |
| Priority date | — |
| Expiry date | Jun 8, 2020 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/108
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A tubing coupling method comprises the steps: providing a length of expandable tubing (72) and a length of larger diameter non-expanding tubing (74); connecting an end portion of the expandable tubing (72) to an end portion of the non-expanding tubing (74) with a portion of expandable tubing (76); running the tubing (72, 74, 76) into a bore; and expanding the expandable tubing (72, 76). The expandable tubing (72) may form part of an expandable well or sand screen, or may be expandable bore liner (12).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.