Patent ID: 9206669
Filing Date: 2015-12-08
Classification: E21B,Y10T

Abstract:
1. A flow control device comprising: a tubular member having an interior passageway for conveying fluids; a housing disposed about the tubular member and forming a chamber between the housing and the tubular member, wherein the housing is divided into a control chamber and a valve chamber; a piston disposed within the control chamber and moveable between a first piston position and a second piston position that is displaced from the first piston position, wherein a valve disposed within the valve chamber and moveable between a first valve position and a second valve position that is displaced from the first valve position, wherein the valve provides for selective fluid communication between a first portion of the valve chamber and a second portion of the valve chamber, wherein the piston provides a first flow path between the control chamber and interior passageway of the tubular member in the first piston position, and wherein the valve provides a second flow path between the valve chamber and interior passageway of the tubular member in the second valve position.