Recovering heated fluid using well equipment
US8286701B2 · kind B2 · utility
10Cited by
14References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 31, 2008 |
| Grant date | Oct 16, 2012 |
| Priority date | — |
| Expiry date | Apr 23, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B2200/01
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A device has a first elongate tubular body and a second elongate tubular body coupled to the first tubular body, both adapted to reside in the wellbore. The device is changeable between the first tubular body axially fixed against movement in a first direction relative to the second tubular body and axially moveable in the first direction relative to the second elongate tubular body in response to temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.