Corrosion inhibitor for brines
US4728446A · kind A · utility
14Cited by
23References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 17, 1986 |
| Grant date | Mar 1, 1988 |
| Priority date | — |
| Expiry date | Jul 17, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/939
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A corrosion inhibiting composition including a solution of at least one alkali or alkaline-earth metal halide in water and specific corrosion inhibiting concentrations of zinc ions and thiocyanate ions, for use in well drilling, completion, packer fluid and workover operations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.