Emulsified acidic treatment fluid with surface modification agents
US10781363B2 · kind B2 · utility
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11Claims
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Key dates
| Filing date | Dec 31, 2014 |
| Grant date | Sep 22, 2020 |
| Priority date | — |
| Expiry date | Dec 31, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/82
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Surface modification agents may be included in emulsified acidic treatment fluids to leave surfaces in carbonate formations water wet after acidizing operations. A method of acidizing a subterranean formation, comprising: providing a treatment fluid in the form of an invert emulsion, wherein the treatment fluid comprises: a hydrocarbon phase comprising an oil-soluble liquid and an emulsifier; and an aqueous acidic phase comprising water, an acid, and a surface modification agent; and introducing the treatment fluid into a wellbore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.