Iron sulfide clean-up composition and method
US6887840B2 · kind B2 · utility
1Cited by
5References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 21, 2003 |
| Grant date | May 3, 2005 |
| Priority date | — |
| Expiry date | Nov 1, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/939
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An iron sulfide cleaning composition is described, along with a process for using the iron sulfide cleaning composition. The iron sulfide cleaning composition is simple to use and effective in removing deposits of iron sulfide from hydrocarbon wells. The iron sulfide cleaning composition consists of formaldehyde or glutaraldehyde, methanol, 2-butoxyethanol, isopropyl alcohol, hydrochloric acid, Surfactant Intermediate, Surfactant/Corrosion Inhibitor, glacial acetic acid and water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.