Methods for producing emulsifiers for oil-based drilling fluids
US10435611B2 · kind B2 · utility
1Cited by
1References
20Claims
0Family size
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Key dates
| Filing date | Jan 16, 2018 |
| Grant date | Oct 8, 2019 |
| Priority date | — |
| Expiry date | Jan 16, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/36
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Methods for making emulsifiers, emulsified drilling fluids, and methods for using the same are provided. In one or more embodiments, the method for making an emulsifier can include mixing a tall oil and a triamide. The triamide can have the chemical formula:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.