Viscous oil inflow control device for equalizing screen flow

Details Viscous oil inflow control device for equalizing screen flow Viscous oil inflow control device for equalizing screen flow

2007-08-23

2009-08-25

Bagnell, David J (Department: 3672)

Wells

Screens

C166S205000

Reexamination Certificate

active

07578343

ABSTRACT:
A flow balancing system for long screen sections particularly useful in high viscosity hydrocarbon production features an annular flow path whose height and length can be varied to provide a predetermined resistance to a given flow rate of a material of a given viscosity. In assembling a long length of screen sections, greater resistance configurations are placed closer to the wellhead end of the screen section with the more remote sections having progressively less restriction until the furthest section of the screen string where low or no resistance to flow internally to the screen section is offered.

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