Wells – Automatic
Reexamination Certificate
2006-01-24
2006-01-24
Dang, Hoang (Department: 3672)
Wells
Automatic
C166S066000, C166S250070, C166S250150, C166S316000
Reexamination Certificate
active
06988547
ABSTRACT:
A control system for a hydrocarbon well is also disclosed. A control valve system is used to control the flow of fluid being produced by the well. A real time sensor is provided downhole and is used to make real time measurements of phase characteristics of the fluid. A controller is used to control the valve system so as to reduce the risk of undesirable phase transitions in the fluid based on the real time measurements made by the sensor. The sensor includes an acoustic transducer configured to emit acoustic energy into the fluid at a level which causes a phase transition in the fluid. The controller determines the level of acoustic energy emitted into the fluid, and also determines the pressure associated with a phase transition using the level of emitted acoustic energy.
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Goodwin Anthony Robert Holmes
Griffin Douglas D.
Kleinberg Robert Leonard
Oddie Gary Martin
Stephenson Kenneth Edward
Dang Hoang
DeStefanis Jody Lynn
Gaudier Dale
Schlumberger Technology Corporation
Wang William L.
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