Methods and compositions for stimulating the production of hydrocarbons from subterranean formations
US11053433B2 · kind B2 · utility
1Cited by
203References
23Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 30, 2018 |
| Grant date | Jul 6, 2021 |
| Priority date | — |
| Expiry date | Nov 30, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/602
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Emulsion or microemulsion for treating an oil or gas well having a wellbore are provided, and related methods. In some embodiments, the emulsion or microemulsion comprises an aqueous phase; a surfactant; and a non-aqueous phase comprising a first type of solvent and a second type of solvent. In some embodiments, the first type of solvent is a long chain hydrocarbon. In some embodiments, the second type of solvent is an oxygenated solvent. The emulsion or microemulsion may comprise additional components (e.g., at least one type of co-solvent).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.