Organic acid compositions for use in the oil and gas industry
US10280362B2 · kind B2 · utility
2Cited by
10References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 20, 2016 |
| Grant date | May 7, 2019 |
| Priority date | — |
| Expiry date | May 20, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/14
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An organic acid composition for use in oil industry activities, said composition comprising: methane sulphonic acid; a metal iodide or iodate; and an alcohol or derivative thereof. The uses include: injection/disposal in wells; squeezes and soaks or bullheads; acid fracturing; acid washes or matrix stimulations; fracturing spearheads (breakdowns); pipeline scale treatments; cement breakdowns or perforation cleaning; pH control; and de-scaling applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.