Method for treating production water from the enhanced oil recovery of oil by hydrocyclone in the presence of additives of tetrakis(hydroxymethyl)phosphonium salt type
US12037543B2 · kind B2 · utility
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Key dates
| Filing date | Dec 10, 2019 |
| Grant date | Jul 16, 2024 |
| Priority date | — |
| Expiry date | Aug 6, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2103/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process treats production water resulting from enhanced oil recovery, the production water comprising an aqueous phase and an organic phase dispersed in the aqueous phase, and at least one polymer in the aqueous phase. The process includes:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.