Downhole tools having superhydrophobic surfaces
US10392908B2 · kind B2 · utility
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Key dates
| Filing date | Aug 8, 2016 |
| Grant date | Aug 27, 2019 |
| Priority date | — |
| Expiry date | Aug 8, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2003/2231
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method of producing hydrocarbon from a subterranean formation comprises: disposing an article in a well penetrating a subterranean formation, the article having a surface coated with a hierarchical superhydrophobic coating or the article being a stand-alone hierarchical superhydrophobic membrane; contacting the article with a flow of a water-based fluid and an oil-based fluid; selectively impeding the flow of the water-based fluid; and allowing the production of the oil-based fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.