Acid sensitive emulsifier for use in subterranean treatment operations
US11186763B2 · kind B2 · utility
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5References
9Claims
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Key dates
| Filing date | Oct 12, 2018 |
| Grant date | Nov 30, 2021 |
| Priority date | — |
| Expiry date | Oct 12, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2208/34
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Methods and systems for using an invert emulsion fluid that is beneficial in the drilling, completing and working over of subterranean wells are provided. In some embodiments, the method includes: preparing a treatment fluid including an invert emulsion, wherein the invert emulsion further includes an aqueous dispersed phase, an oleaginous continuous phase, and an amine surfactant emulsifier and placing the treatment fluid in a wellbore penetrating at least portion of a subterranean formation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.