Borate cross-linked well treating fluids and methods
US5827804A · kind A · utility
16Cited by
10References
15Claims
0Family size
Inventors
Key dates
| Filing date | Apr 4, 1997 |
| Grant date | Oct 27, 1998 |
| Priority date | — |
| Expiry date | Apr 4, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/922
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention provides borate cross-linked well treating fluids and methods of preparing and using the fluids in treating wells such as fracturing subterranean zones therein. The improved cross-linked treating fluids are basically comprised of water, a hydrated galactomannan gelling agent and a borate composition for buffering the treating fluid and cross-linking the hydrated galactomannan gelling agent comprised of water, a soluble boron source and an alkanolamine or alkylamine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.