Choke cooling waxy oil
US4697426A · kind A · utility
14Cited by
15References
28Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 29, 1986 |
| Grant date | Oct 6, 1987 |
| Priority date | — |
| Expiry date | May 29, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/0391
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A stream of gas and waxy oil is cooled by a choke to form a wax/oil slurry, and the slurry is pipeline transported without wax deposition in the pipeline and/or to prevent melting of permafrost along the pipeline right of way.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.