Method for liquifying chloride-based heavy brine well completion fluids
US4594170A · kind A · utility
53Cited by
22References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 25, 1984 |
| Grant date | Jun 10, 1986 |
| Priority date | — |
| Expiry date | Jun 25, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/925
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention provides a method to liquify a heavy brine completion fluid containing chlorides. The combination of a persulfate and hydrogen peroxide was found to be more effective than either compound alone, or than a peroxygen plus an activator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.