Gas control system

Details Gas control system Gas control system

1982-06-21

1984-06-12

Cohan, Alan

Fluid handling

Systems

Programmer or timer

13762415, F16K 31126

Patent

active

044535686

ABSTRACT:
An injection gas system for downhole equipment such as gas operated pumps or gas lift valves which shuts off injection gas at the surface in response to injection well pressure dropping to a selected amount and after a selected time to permit liquids from the well formation to rise in the well opens the shutoff valve and permits supply gas to be injected into the well. The control valve is closed by gas pressure in response to a Bourdon tube contracting with lower well pressure which activates a timer. As the timer runs down, it controls pressure to open the motor valve.

REFERENCES:
patent: 2626569 (1953-01-01), Knudson
patent: 3276469 (1966-10-01), Storm et al.
patent: 4323741 (1982-04-01), Krohn

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