Non-aqueous acid emulsion composition and method for acid-treating siliceous geological formations
US4101425A · kind A · utility
31Cited by
6References
18Claims
0Family size
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Inventors
Key dates
| Filing date | Apr 21, 1975 |
| Grant date | Jul 18, 1978 |
| Priority date | — |
| Expiry date | Apr 21, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/933
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A stable, non-aqueous acid emulsion composition comprising an admixture of a substantially anhydrous polyphosphoric acid-based mixture, an organic solvent, and a surfactant; and a method for increasing the permeability of siliceous subterranean geological formations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.