System and method for treating produced water having a flash vaporization system for removing dissolved gases from produced water
US10132153B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Aug 19, 2015 |
| Grant date | Nov 20, 2018 |
| Priority date | — |
| Expiry date | Jul 3, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2103/365
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An oil recovery process includes recovering an oil-water mixture from an oil-bearing formation and separating the produced water from the oil-water mixture. The produced water includes dissolved gases and the method includes heating and pressurizing the produced water. After the produced water is heated and pressurized, it is flash vaporized through a lesser pressure which produces a vapor and residual produced water. The flash vaporization of the produced water evaporates dissolved gases and the dissolved gases are vented away with the vapor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.