Method for dewaxing oil and gas pipelines or wells
US5053149A · kind A · utility
3Cited by
19References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 1990 |
| Grant date | Oct 1, 1991 |
| Priority date | — |
| Expiry date | Mar 30, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/932
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for dissolving wax, paraffin and/or sulfur deposits in an oil or gas pipeline or well comprises providing at the site of the deposit an acid and a compound which liberates carbon disulfide upon contact with the acid, whereby the deposit is dissolved by the liberated carbon disulfide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.