Remote control for well tool

Details Remote control for well tool Remote control for well tool

1994-10-05

1997-01-07

Tsay, Frank

Wells

Automatic

166 70, 166291, E21B 2308, E21B 3305

Patent

active

055907130

ABSTRACT:
An apparatus and method of dropping a pumpdown plug or ball is revealed. The release mechanism is actuated by remote control, employing intrinsically safe circuitry. The circuitry, along with its self-contained power source, actuates a primary control member responsive to an input signal so as to allow component shifting for release of the pumpdown plug or ball. Multiple plug-dropping heads can be stacked, each responsive to a discrete release signal. Actuation to drop the pumpdown ball or plug is accomplished even while the components are rotating or are moving longitudinally.

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