Wells – Processes – Placing or shifting well part
Reexamination Certificate
2006-03-21
2006-03-21
Tsay, Frank S. (Department: 3672)
Wells
Processes
Placing or shifting well part
C166S319000, C166S336000
Reexamination Certificate
active
07013980
ABSTRACT:
A control system for use in controlling actuation of tools in a subterranean well. In a described embodiment, a control system includes a well tool, an actuator for the well tool and a control module interconnected between the actuator and first and second fluid lines. The control module is operative to meter a predetermined volume of fluid from the actuator to the second line in response to pressure applied to the first line.
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Search Report for PCT/US04/21934.
Curington Alfred R.
Purkis Daniel G.
Konneker & Smith P.C.
Tsay Frank S.
WellDynamics Inc.
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