Method and composition for acidizing subterranean formations utilizing corrosion inhibitor intensifiers
US5697443A · kind A · utility
35Cited by
13References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 9, 1996 |
| Grant date | Dec 16, 1997 |
| Priority date | — |
| Expiry date | Feb 9, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/74
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a corrosion inhibitor intensifier for acidizing solutions for use in subterranean formation treatments wherein the corrosion inhibitor comprises a quaternary ammonium compound. The intensifier comprises an effective amount of a source of iodide ions and a source of formic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.