Corrosion inhibited well acidizing compositions and methods
US5763368A · kind A · utility
17Cited by
9References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 30, 1996 |
| Grant date | Jun 9, 1998 |
| Priority date | — |
| Expiry date | May 30, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/939
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention provides corrosion inhibited well acidizing compositions and methods of using the compositions to acidize wells. The compositions basically comprise an aqueous acid solution, a corrosion inhibitor comprising at least one quaternary ammonium compound and a corrosion inhibitor intensifier comprised of aliphatic carboxylic acids, crude tall oil, tall oil fatty acids, rosin acids and mixtures thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.