Attenuated acid formulations for acid stimulation
US12012550B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Dec 13, 2021 |
| Grant date | Jun 18, 2024 |
| Priority date | — |
| Expiry date | Dec 13, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2208/30
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method for acid treating a carbonate reservoir with an attenuated acid formulation is provided. The method includes mixing an acidic compound with a hygroscopic chemical to form the attenuated acid formulation, and injecting the attenuated acid formulation into a carbonate formation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.