Electrically actuated well annulus safety valve

Details Electrically actuated well annulus safety valve Electrically actuated well annulus safety valve

1992-09-29

1993-07-27

Dang, Hoang C.

Wells

With electrical means

Electrical motor

166129, 166183, 166324, 166332, 25112921, E21B 3406

Patent

active

052303837

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.

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patent: 4997043 (1991-03-01), Pringle
patent: 5044434 (1991-09-01), Burns, Sr. et al.

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