Composition and method for treatment of wellbores and well formations containing paraffin
US4668408A · kind A · utility
13Cited by
3References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 17, 1985 |
| Grant date | May 26, 1987 |
| Priority date | — |
| Expiry date | Jun 17, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/931
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Composition and method for treating wellbores and well formations to remove and inhibit accumulations of paraffin. The composition comprises a liquid mixture of a water soluble ethoxylated alkyl phenol and an alcohol containing one to four carbon atoms. Preferred are a water soluble nonoxynol having an average number of ethylene oxide units per molecule in the range of approximately 20 to 50 and methyl alcohol. The composition is circulated in the wellbore either continuously or in batch treatments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.