Intelligent water-control and gas-diversion particle for water-gas reservoirs and preparation method thereof
US11186766B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 12, 2019 |
| Grant date | Nov 30, 2021 |
| Priority date | — |
| Expiry date | Dec 12, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/92
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention discloses an intelligent water-control and gas-diversion particle for water-gas reservoirs and preparation method and application thereof, comprising core support layer with barbs, expandable water shutoff layer, water discharge and gas diversion layer, migration protection layer and suspension lift layer; the expandable water shutoff layer is wrapped on the outer surface of the core support layer and the root of the barb; the water discharge and gas diversion layer is wrapped on the outer surfaces of the expandable water shutoff layer and the barbs; the migration protection layer is wrapped on the outer surface of the water discharge and gas diversion layer; the outer surface of the migration protection layer forms a sphere; the suspension lift layer is wrapped on the outer surface of the migration protection layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.