Wells – Valves – closures or changeable restrictors – Fluid operated
Reexamination Certificate
2011-03-08
2011-03-08
Bagnell, David J (Department: 3676)
Wells
Valves, closures or changeable restrictors
Fluid operated
C166S313000, C166S050000, C166S373000
Reexamination Certificate
active
07900705
ABSTRACT:
An apparatus for use in a well includes a flow control assembly to control fluid flow in a first zone of the well, where the flow control assembly has a fixed flow control device and an adjustable flow control device that cooperate to control the fluid flow in the first zone.
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Bagnell David J
Clark Brandon S.
Ro Yong-Suk
Schlumberger Technology Corporation
Warfford Rodney
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