Silica substrates for slow release asphaltene control chemical squeeze treatments
US12129428B2 · kind B2 · utility
0Cited by
10References
18Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 21, 2021 |
| Grant date | Oct 29, 2024 |
| Priority date | — |
| Expiry date | Dec 21, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2208/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present disclosure provides methods and compositions for controlling asphaltenes in a subterranean formation. The compositions may include silica, a polymer, and optionally a charged surfactant. The compositions may also include a solvent or other additives. The methods may include injecting the compositions into subterranean formations and inhibiting asphaltene precipitation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.