Modified acid compositions as alternatives to conventional acids in the oil and gas industry
US10822535B2 · kind B2 · utility
2Cited by
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4Claims
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Key dates
| Filing date | May 30, 2018 |
| Grant date | Nov 3, 2020 |
| Priority date | — |
| Expiry date | Dec 5, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2208/32
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An aqueous modified acid composition for industrial activities, said composition comprising: an alkanolamine and strong acid in a molar ratio of not less than 1:15, preferably not less than 1:10; it can also further comprise a metal iodide or iodate. Said composition demonstrates advantages over known conventional acids and modified acids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.