Mud acid composition and methods of using such
US11370961B2 · kind B2 · utility
2Cited by
2References
10Claims
0Family size
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Key dates
| Filing date | Apr 3, 2020 |
| Grant date | Jun 28, 2022 |
| Priority date | — |
| Expiry date | Apr 3, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23F11/08
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An inhibited mud acid composition, said composition comprising: hydrofluoric acid in solution; an alkanolamine; and a mineral acid selected from a group consisting of: HCl; MEA-HCl and other modified acids, wherein said alkanolamine and hydrofluoric acid are present in a molar ratio of at least 1:1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.