Flow control in subterranean wells
US9567825B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2016 |
| Grant date | Feb 14, 2017 |
| Priority date | — |
| Expiry date | Apr 26, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/26
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method of controlling flow in a subterranean well can include a device introduced into the well being conveyed by flow in the well, the device comprising a material selected from poly-vinyl alcohol, poly-vinyl acetate and/or poly-methacrylic acid. The material may degrade in the well. A system for use with a well can include a flow conveyed device conveyed through a tubular string by flow in the tubular string, and the flow conveyed device including a material selected from poly-vinyl alcohol, poly-vinyl acetate and/or poly-methacrylic acid. A flow conveyed device for use in a subterranean well can include a body and a degradable material extending outwardly from the body, the degradable material being formed as a film, tube or filament.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.