Flow control device and flow control method
US9353608B2 · kind B2 · utility
6Cited by
8References
30Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 18, 2010 |
| Grant date | May 31, 2016 |
| Priority date | — |
| Expiry date | Jun 27, 2032 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B34/08
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method and apparatus is disclosed for controlling the flow of fluid in oil and/or gas production, involving a control device or an autonomous valve (2) operating by the Bernoulli principle and comprising a moveable disk or body (9) provided within a housing (4) for opening and closing said valve (2), involving use of a material (24) within the valve (2) that changes its properties as to shape and/or volume and/or elastic modulus when exposed to a chemical substance contained in the flow of fluid and thus altering said flow of fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.