Breaker system for hydraulic fracturing fluids
US4382003A · kind A · utility
6Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 2, 1981 |
| Grant date | May 3, 1983 |
| Priority date | — |
| Expiry date | Feb 2, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/922
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Aqueous compositions having properties making them suitable for use as a hydraulic fracturing fluids are disclosed. These compositions comprise (a) an uncrosslinked aqueous polysaccharide solution, and (b) a 4,4'-thiodiphenol. Ingredient (b) acts as a "breaker" and causes the composition to lose viscosity at a controlled rate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.