Flow control valve for use in oil and gas wells and the like

Details Flow control valve for use in oil and gas wells and the like Flow control valve for use in oil and gas wells and the like

1986-11-07

1987-10-20

Novosad, Stephen J.

Wells

Valves, closures or changeable restrictors

Rotated operator

166332, E21B 3412

Patent

active

047007826

ABSTRACT:
An improved flow control valve for oil and gas wells and the like that includes a simplified valve actuating member that converts rotation of the tubing string into reciprocal motion of the valve actuating member and into a pivotal movement of the valve between open and closed positions.

REFERENCES:
patent: 3386701 (1968-06-01), Potts
patent: 4210207 (1980-07-01), McStravick et al.
patent: 4270606 (1981-06-01), McStravick et al.
patent: 4293038 (1981-10-01), Evans
patent: 4421171 (1983-12-01), Haynes
patent: 4508173 (1985-04-01), Read

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