Solenoid operated blanking block valve

Details Solenoid operated blanking block valve Solenoid operated blanking block valve

1992-09-29

1993-07-13

Dang, Hoang C.

Wells

With electrical means

Electrical motor

166332, 25112921, E21B 3406

Patent

active

052264912

ABSTRACT:
A method and apparatus of electrically and sequentially completing an oil and/or gas well through a tubing production string in a well casing. The operation includes electrically and sequentially actuating downhole equipment such as well packers, a safety joint, well annulus safety valve, solenoid actuated tubing safety valve, blanking block valve, circulating sleeve, and receiving electrical feedback from the equipment determining the position of the downhole equipment.

REFERENCES:
patent: 3456723 (1969-07-01), Current et al.
patent: 4191248 (1980-03-01), Huebsch et al.
patent: 4367794 (1983-01-01), Bednar et al.
patent: 4407329 (1983-10-01), Huebsch et al.
patent: 4577534 (1986-01-01), Going, III
patent: 4579177 (1986-04-01), Going, III
patent: 4649993 (1987-03-01), Going, III
patent: 4981173 (1991-01-01), Perkins et al.
patent: 4997043 (1991-03-01), Pringle
patent: 5070944 (1991-12-01), Hopper

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