Surfactant composition and method for cleaning wellbore and oil field surfaces using the surfactant composition
US5996692A · kind A · utility
70Cited by
25References
18Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 13, 1998 |
| Grant date | Dec 7, 1999 |
| Priority date | — |
| Expiry date | Feb 13, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/929
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method and composition for removing deposits of heavy hydrocarbonaceous materials and finely divided inorganic particulate matter from wellbore and flowline surfaces using a composition containing an alkyl polyglycoside, an ethoxylated alcohol, a caustic and an alkyl alcohol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.