Patent · US Active

Flow restriction device with variable space for use in wellbores

US10246995B2 · kind B2 · utility

1Cited by

6References

20Claims

0Family size

Assignee

Baker Hughes, a GE company, LLC · US

Inventors

Cord Simon Huber · Gehrden, DE
Volker Peters · Celle, DE
Heiko Eggers · Bad Fallingbostel, DE

Key dates

Filing date	Dec 22, 2016
Grant date	Apr 2, 2019
Priority date	—
Expiry date	Dec 22, 2036

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B34/08
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

An apparatus for use in a wellbore is disclosed that in one non-limiting embodiment includes a flow restriction device that that contains a channeling element having a fluid flow passage, a restriction element spaced from the channeling element defining a gap between the restriction element and the channeling element, wherein relative movement between the restriction element and the channeling element obstructs flow of a fluid flowing through the flow passage to increase pressure in the fluid across the device. In one embodiment an activation device displaces one of the channeling element and the restriction element to adjusts or alter gap in response to certain changes in the pressure across the restriction device.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.