Flow regulator for use in a subterranean well
US7819194B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 3, 2006 |
| Grant date | Oct 26, 2010 |
| Priority date | — |
| Expiry date | Mar 12, 2027 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B2200/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A flow regulator for use in a subterranean well. A well flow regulating system includes a flow regulator for regulating a flow rate of a fluid in a wellbore, the flow rate remaining substantially constant while a differential pressure across the flow regulator varies. The flow regulator is adjustable while positioned within the wellbore to change the flow rate. Another well flow regulating system includes a flow regulator for maintaining a desired fluid flow rate between an annulus and an interior passage of a tubular string. The flow regulator includes a closure device, a biasing device which applies a biasing force to the closure device, and a flow restriction which operates to apply a restriction force to the closure device. The biasing force and/or the restriction force is adjustable downhole to change the flow rate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.