Method for controlling inorganic fluoride scales
US7781381B2 · kind B2 · utility
10Cited by
6References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 18, 2007 |
| Grant date | Aug 24, 2010 |
| Priority date | — |
| Expiry date | Nov 27, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/933
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The productivity of hydrocarbons from hydrocarbon-bearing calcareous or siliceous formations is enhanced by contacting the formation with a well treatment composition which contains a hydrofluoric acid source, a boron containing compound and a phosphonate acid, ester or salt thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.