Offshore well remote control system

Details Offshore well remote control system Offshore well remote control system

1991-02-22

1993-03-09

Britts, Ramon S.

Wells

Submerged well

With safety or emergency shutoff

166 53, 13762418, 341176, E21B 3404

Patent

active

051919370

ABSTRACT:
In a subterranean well for producing a production fluid flow through a flow line having a main control valve, a flow control system including means to remotely actuate the main flow valve to open position in response to a radio signal subsequent to the main valve being closed under elective or emergency conditions. Initial fluid flow from the well is commenced by provisionally opening the main flow regulating valve for a predetermined time interval. During said timed interval, if the pressure in the well flow line is not stabilized to an acceptable operating range, the main flow valve will be automatically closed in response to a pressure sensing means which communicates said main flow line with the main valve actuator.

REFERENCES:
patent: 3863714 (1975-02-01), Watson, Jr.
patent: 4062379 (1977-12-01), Clinton
patent: 4215746 (1980-08-01), Hallden et al.
patent: 4805657 (1989-02-01), Carman et al.

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