Composition and method of stimulating subterranean formations
US4679631A · kind A · utility
23Cited by
16References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 3, 1986 |
| Grant date | Jul 14, 1987 |
| Priority date | — |
| Expiry date | Jul 3, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/933
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method and composition for stimulating subterranean formations containing iron deposits. The composition comprises a compound comprising at least one member selected from the group consisting of dihydroxymaleic acid, salts of dihydroxymaleic acid and gluconodeltalactone. The method comprises contacting the subterranean formation in an appropriate manner with the above-described composition present in an amount sufficient to sequester iron.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.