Lubrication system for radially expanding tubular members
US7503393B2 · kind B2 · utility
5Cited by
779References
138Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 26, 2004 |
| Grant date | Mar 17, 2009 |
| Priority date | — |
| Expiry date | Jul 2, 2025 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/103
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A lubrication system for lubricating an interface between one or more expansion surfaces of an expansion device and one or more interior surfaces of a tubular member during a radial expansion of the tubular member using the expansion device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.