Diversion acid containing a water-soluble retarding agent and methods of making and using
US11692128B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | Aug 31, 2016 |
| Grant date | Jul 4, 2023 |
| Priority date | — |
| Expiry date | Aug 31, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/27
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Described herein are aqueous composition(s) containing water; a viscoelastic surfactant; an acid; and a water-soluble acid retarding agent. Further described are methods of making and using such compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.