Wells – Processes – Operating valve – closure – or changeable restrictor in a well
Reexamination Certificate
2007-07-10
2007-07-10
Bagnell, David (Department: 3672)
Wells
Processes
Operating valve, closure, or changeable restrictor in a well
C166S375000, C166S319000, C166S066600
Reexamination Certificate
active
11403039
ABSTRACT:
A direct proportional control system for remotely controlling actuation of a tool. A well control system includes an actuator for a downhole well tool, the actuator including an actuator member which displaces to operate the well tool. A control system member is positioned at a remote location. A displacement of the control system member is proportional to a displacement of the actuator member.
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Search Report for PCT/US05/13220.
Bomar Shane
Smith IP Services P.C.
WellDynamics Inc.
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